Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r077-tall-174860075000498.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 EisenbergMcGuire-PT-08, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r077-tall-174860075000498
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.1M
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 103K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.2K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 1.7M May 29 14:32 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1748657632920

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=EisenbergMcGuire-PT-08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2025-05-31 02:13:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-05-31 02:13:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 02:13:54] [INFO ] Load time of PNML (sax parser for PT used): 175 ms
[2025-05-31 02:13:54] [INFO ] Transformed 712 places.
[2025-05-31 02:13:54] [INFO ] Transformed 2816 transitions.
[2025-05-31 02:13:54] [INFO ] Found NUPN structural information;
[2025-05-31 02:13:54] [INFO ] Parsed PT model containing 712 places and 2816 transitions and 13440 arcs in 309 ms.
[2025-05-31 02:13:55] [INFO ] Flatten gal took : 242 ms
RANDOM walk for 40000 steps (8 resets) in 2519 ms. (15 steps per ms) remains 225/712 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 17 ms. (22 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 18 ms. (21 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 225/225 properties
[2025-05-31 02:13:55] [INFO ] Flatten gal took : 205 ms
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 225/225 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 225/225 properties
[2025-05-31 02:13:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6253177661731999137.gal : 60 ms
[2025-05-31 02:13:55] [INFO ] Flow matrix only has 1368 transitions (discarded 1448 similar events)
[2025-05-31 02:13:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality299713683020850378.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6253177661731999137.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality299713683020850378.prop' '--nowitness' '--gen-order' 'FOLLOW'
// Phase 1: matrix 1368 rows 712 cols

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
[2025-05-31 02:13:55] [INFO ] Computed 25 invariants in 31 ms
[2025-05-31 02:13:55] [INFO ] State equation strengthened by 676 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Loading property file /tmp/ReachabilityCardinality299713683020850378.prop.
SDD proceeding with computation,225 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,225 properties remain. new max is 8
SDD size :5 after 8
SDD proceeding with computation,225 properties remain. new max is 16
SDD size :8 after 11
SDD proceeding with computation,225 properties remain. new max is 32
SDD size :11 after 15
SDD proceeding with computation,225 properties remain. new max is 64
SDD size :15 after 19
SDD proceeding with computation,225 properties remain. new max is 128
SDD size :19 after 21
SDD proceeding with computation,225 properties remain. new max is 256
SDD size :21 after 105
SDD proceeding with computation,225 properties remain. new max is 512
SDD size :105 after 207
Invariant property smplace_512 does not hold.
Invariant property smplace_490 does not hold.
SDD proceeding with computation,223 properties remain. new max is 512
SDD size :207 after 310
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/225 variables, 225/225 constraints. Problems are: Problem set: 0 solved, 225 unsolved
SDD proceeding with computation,223 properties remain. new max is 1024
SDD size :310 after 1509
SDD proceeding with computation,223 properties remain. new max is 2048
SDD size :1509 after 1953
At refinement iteration 1 (INCLUDED_ONLY) 0/225 variables, 0/225 constraints. Problems are: Problem set: 2 solved, 223 unsolved
At refinement iteration 2 (OVERLAPS) 463/688 variables, 16/241 constraints. Problems are: Problem set: 2 solved, 223 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/688 variables, 463/704 constraints. Problems are: Problem set: 2 solved, 223 unsolved
Invariant property smplace_513 does not hold.
Invariant property smplace_488 does not hold.
SDD proceeding with computation,221 properties remain. new max is 2048
SDD size :1953 after 5068
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 688/2080 variables, and 704 constraints, problems are : Problem set: 4 solved, 221 unsolved in 5044 ms.
Refiners :[Domain max(s): 688/712 constraints, Positive P Invariants (semi-flows): 16/17 constraints, Generalized P Invariants (flows): 0/8 constraints, State Equation: 0/712 constraints, ReadFeed: 0/676 constraints, PredecessorRefiner: 225/225 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 221 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Invariant property smplace_498 does not hold.
At refinement iteration 0 (INCLUDED_ONLY) 0/221 variables, 221/221 constraints. Problems are: Problem set: 5 solved, 220 unsolved
SDD proceeding with computation,220 properties remain. new max is 2048
SDD size :5068 after 6671
At refinement iteration 1 (INCLUDED_ONLY) 0/221 variables, 0/221 constraints. Problems are: Problem set: 5 solved, 220 unsolved
At refinement iteration 2 (OVERLAPS) 467/688 variables, 16/237 constraints. Problems are: Problem set: 5 solved, 220 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/688 variables, 467/704 constraints. Problems are: Problem set: 5 solved, 220 unsolved
SDD proceeding with computation,220 properties remain. new max is 4096
SDD size :6671 after 28012
SDD proceeding with computation,220 properties remain. new max is 8192
SDD size :28012 after 44851
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 688/2080 variables, and 704 constraints, problems are : Problem set: 5 solved, 220 unsolved in 5018 ms.
Refiners :[Domain max(s): 688/712 constraints, Positive P Invariants (semi-flows): 16/17 constraints, Generalized P Invariants (flows): 0/8 constraints, State Equation: 0/712 constraints, ReadFeed: 0/676 constraints, PredecessorRefiner: 0/225 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10285ms problems are : Problem set: 5 solved, 220 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 220 out of 712 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 712/712 places, 2816/2816 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 712 transition count 2808
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 16 place count 704 transition count 2808
Performed 144 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 144 Pre rules applied. Total rules applied 16 place count 704 transition count 2664
Deduced a syphon composed of 144 places in 3 ms
Reduce places removed 144 places and 0 transitions.
Iterating global reduction 2 with 288 rules applied. Total rules applied 304 place count 560 transition count 2664
Discarding 56 places :
Symmetric choice reduction at 2 with 56 rule applications. Total rules 360 place count 504 transition count 2216
Iterating global reduction 2 with 56 rules applied. Total rules applied 416 place count 504 transition count 2216
Performed 54 Post agglomeration using F-continuation condition.Transition count delta: 54
Deduced a syphon composed of 54 places in 17 ms
Reduce places removed 54 places and 0 transitions.
Iterating global reduction 2 with 108 rules applied. Total rules applied 524 place count 450 transition count 2162
Applied a total of 524 rules in 308 ms. Remains 450 /712 variables (removed 262) and now considering 2162/2816 (removed 654) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 315 ms. Remains : 450/712 places, 2162/2816 transitions.
Invariant property smplace_514 does not hold.
SDD proceeding with computation,219 properties remain. new max is 8192
SDD size :44851 after 62944
Invariant property smplace_506 does not hold.
Invariant property smplace_504 does not hold.
Invariant property smplace_489 does not hold.
SDD proceeding with computation,216 properties remain. new max is 8192
SDD size :62944 after 107090
RANDOM walk for 4000000 steps (8 resets) in 81665 ms. (48 steps per ms) remains 211/220 properties
BEST_FIRST walk for 40004 steps (8 resets) in 181 ms. (219 steps per ms) remains 210/211 properties
BEST_FIRST walk for 40004 steps (8 resets) in 176 ms. (226 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 189 ms. (210 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 187 ms. (212 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 177 ms. (224 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 170 ms. (233 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 172 ms. (231 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 170 ms. (233 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 190 ms. (209 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 174 ms. (228 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 174 ms. (228 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 128 ms. (310 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 149 ms. (266 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 130 ms. (305 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 127 ms. (312 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 149 ms. (266 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 139 ms. (285 steps per ms) remains 209/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 133 ms. (298 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 146 ms. (272 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 148 ms. (268 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 122 ms. (325 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 151 ms. (263 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 152 ms. (261 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 112 ms. (354 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 133 ms. (298 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 148 ms. (268 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 142 ms. (279 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 208/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 149 ms. (266 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 168 ms. (236 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 142 ms. (279 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 147 ms. (270 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 135 ms. (294 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 153 ms. (259 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 147 ms. (270 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 148 ms. (268 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 131 ms. (303 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 136 ms. (292 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 112 ms. (354 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 107 ms. (370 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 105 ms. (377 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 111 ms. (357 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 149 ms. (266 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 147 ms. (270 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 147 ms. (270 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 137 ms. (289 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 149 ms. (266 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 144 ms. (275 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 127 ms. (312 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 152 ms. (261 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 162 ms. (245 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 123 ms. (322 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 151 ms. (263 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 141 ms. (281 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 123 ms. (322 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 160 ms. (248 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 128 ms. (310 steps per ms) remains 208/208 properties
Invariant property smplace_505 does not hold.
Invariant property smplace_497 does not hold.
BEST_FIRST walk for 40004 steps (8 resets) in 153 ms. (259 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 114 ms. (347 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 135 ms. (294 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 146 ms. (272 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 139 ms. (285 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 122 ms. (325 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 127 ms. (312 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 146 ms. (272 steps per ms) remains 208/208 properties
SDD proceeding with computation,214 properties remain. new max is 8192
SDD size :107090 after 146845
SDD proceeding with computation,214 properties remain. new max is 16384
SDD size :146845 after 170467
SDD proceeding with computation,214 properties remain. new max is 32768
SDD size :170467 after 796774
SDD proceeding with computation,214 properties remain. new max is 65536
SDD size :796774 after 1.28661e+06
Interrupted probabilistic random walk after 8644950 steps, run timeout after 72001 ms. (steps per millisecond=120 ) properties seen :199 out of 208
Probabilistic random walk after 8644950 steps, saw 1957688 distinct states, run finished after 72011 ms. (steps per millisecond=120 ) properties seen :199
[2025-05-31 02:15:43] [INFO ] Flow matrix only has 714 transitions (discarded 1448 similar events)
// Phase 1: matrix 714 rows 450 cols
[2025-05-31 02:15:43] [INFO ] Computed 25 invariants in 4 ms
[2025-05-31 02:15:43] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 258/266 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/266 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 10/276 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/276 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 446/722 variables, 276/291 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/722 variables, 70/361 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/722 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 50/772 variables, 8/369 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/772 variables, 1/370 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/772 variables, 48/418 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/772 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (OVERLAPS) 66/838 variables, 30/448 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/838 variables, 24/472 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/838 variables, 0/472 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (OVERLAPS) 130/968 variables, 6/478 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/968 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (OVERLAPS) 6/974 variables, 3/481 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/974 variables, 0/481 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 19 (OVERLAPS) 190/1164 variables, 136/617 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1164 variables, 142/759 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1164 variables, 0/759 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 22 (OVERLAPS) 0/1164 variables, 0/759 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1164/1164 variables, and 759 constraints, problems are : Problem set: 0 solved, 8 unsolved in 1557 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 450/450 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 258/266 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/266 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 10/276 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:45] [INFO ] Deduced a trap composed of 3 places in 207 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:45] [INFO ] Deduced a trap composed of 3 places in 143 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:45] [INFO ] Deduced a trap composed of 11 places in 149 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:45] [INFO ] Deduced a trap composed of 15 places in 113 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:45] [INFO ] Deduced a trap composed of 17 places in 83 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:46] [INFO ] Deduced a trap composed of 3 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:46] [INFO ] Deduced a trap composed of 17 places in 124 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:46] [INFO ] Deduced a trap composed of 3 places in 107 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:46] [INFO ] Deduced a trap composed of 19 places in 86 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:46] [INFO ] Deduced a trap composed of 15 places in 88 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:46] [INFO ] Deduced a trap composed of 13 places in 79 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:46] [INFO ] Deduced a trap composed of 19 places in 121 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:46] [INFO ] Deduced a trap composed of 21 places in 87 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:46] [INFO ] Deduced a trap composed of 3 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:46] [INFO ] Deduced a trap composed of 23 places in 90 ms of which 7 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/276 variables, 15/30 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/276 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 446/722 variables, 276/306 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/722 variables, 70/376 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/722 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 50/772 variables, 8/384 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/772 variables, 1/385 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/772 variables, 48/433 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/772 variables, 7/440 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/772 variables, 0/440 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 66/838 variables, 30/470 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/838 variables, 24/494 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/838 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (OVERLAPS) 130/968 variables, 6/500 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/968 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 19 (OVERLAPS) 6/974 variables, 3/503 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/974 variables, 1/504 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:49] [INFO ] Deduced a trap composed of 71 places in 281 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:50] [INFO ] Deduced a trap composed of 46 places in 285 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:50] [INFO ] Deduced a trap composed of 58 places in 304 ms of which 38 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/974 variables, 3/507 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:50] [INFO ] Deduced a trap composed of 23 places in 298 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:51] [INFO ] Deduced a trap composed of 68 places in 273 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:51] [INFO ] Deduced a trap composed of 25 places in 115 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:51] [INFO ] Deduced a trap composed of 27 places in 98 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:51] [INFO ] Deduced a trap composed of 29 places in 91 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:52] [INFO ] Deduced a trap composed of 31 places in 289 ms of which 25 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/974 variables, 6/513 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:52] [INFO ] Deduced a trap composed of 58 places in 277 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:53] [INFO ] Deduced a trap composed of 61 places in 301 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:53] [INFO ] Deduced a trap composed of 42 places in 323 ms of which 32 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/974 variables, 3/516 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:15:54] [INFO ] Deduced a trap composed of 58 places in 305 ms of which 30 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/974 variables, 1/517 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/974 variables, 0/517 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 26 (OVERLAPS) 190/1164 variables, 136/653 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1164 variables, 142/795 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1164 variables, 0/795 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 29 (OVERLAPS) 0/1164 variables, 0/795 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1164/1164 variables, and 795 constraints, problems are : Problem set: 0 solved, 8 unsolved in 11617 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 450/450 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 28/28 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13200ms problems are : Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,214 properties remain. new max is 131072
SDD size :1.28661e+06 after 2.18214e+06
Parikh walk visited 0 properties in 5008 ms.
Support contains 8 out of 450 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 450/450 places, 2162/2162 transitions.
Performed 56 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 56 Pre rules applied. Total rules applied 0 place count 450 transition count 2106
Deduced a syphon composed of 56 places in 16 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 0 with 112 rules applied. Total rules applied 112 place count 394 transition count 2106
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 15 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 116 place count 392 transition count 2104
Applied a total of 116 rules in 160 ms. Remains 392 /450 variables (removed 58) and now considering 2104/2162 (removed 58) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 160 ms. Remains : 392/450 places, 2104/2162 transitions.
RANDOM walk for 4000000 steps (8 resets) in 24072 ms. (166 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4176 ms. (957 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4384 ms. (912 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4442 ms. (900 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4128 ms. (968 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4404 ms. (908 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4419 ms. (904 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4365 ms. (916 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4312 ms. (927 steps per ms) remains 8/8 properties
Interrupted probabilistic random walk after 6595335 steps, run timeout after 48001 ms. (steps per millisecond=137 ) properties seen :1 out of 8
Probabilistic random walk after 6595335 steps, saw 1650619 distinct states, run finished after 48001 ms. (steps per millisecond=137 ) properties seen :1
[2025-05-31 02:17:06] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
// Phase 1: matrix 656 rows 392 cols
[2025-05-31 02:17:06] [INFO ] Computed 25 invariants in 2 ms
[2025-05-31 02:17:06] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 223/230 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/230 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 10/240 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 410/650 variables, 240/255 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/650 variables, 70/325 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/650 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 50/700 variables, 8/333 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/700 variables, 1/334 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/700 variables, 48/382 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/700 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (OVERLAPS) 66/766 variables, 30/412 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/766 variables, 24/436 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/766 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (OVERLAPS) 107/873 variables, 5/441 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/873 variables, 0/441 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (OVERLAPS) 2/875 variables, 1/442 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/875 variables, 0/442 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 19 (OVERLAPS) 5/880 variables, 3/445 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/880 variables, 0/445 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 21 (OVERLAPS) 168/1048 variables, 114/559 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 142/701 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 7 unsolved in 1453 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 223/230 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/230 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 10/240 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:07] [INFO ] Deduced a trap composed of 3 places in 158 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:08] [INFO ] Deduced a trap composed of 3 places in 147 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:08] [INFO ] Deduced a trap composed of 3 places in 145 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:08] [INFO ] Deduced a trap composed of 11 places in 157 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:08] [INFO ] Deduced a trap composed of 13 places in 131 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:08] [INFO ] Deduced a trap composed of 15 places in 102 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:08] [INFO ] Deduced a trap composed of 17 places in 78 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:08] [INFO ] Deduced a trap composed of 3 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:08] [INFO ] Deduced a trap composed of 15 places in 130 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:09] [INFO ] Deduced a trap composed of 17 places in 106 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:09] [INFO ] Deduced a trap composed of 19 places in 123 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:09] [INFO ] Deduced a trap composed of 19 places in 116 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:09] [INFO ] Deduced a trap composed of 21 places in 78 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:09] [INFO ] Deduced a trap composed of 3 places in 54 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:09] [INFO ] Deduced a trap composed of 23 places in 79 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 15/30 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 410/650 variables, 240/270 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/650 variables, 70/340 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/650 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 50/700 variables, 8/348 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/700 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/700 variables, 48/397 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/700 variables, 6/403 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/700 variables, 0/403 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (OVERLAPS) 66/766 variables, 30/433 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/766 variables, 24/457 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/766 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (OVERLAPS) 107/873 variables, 5/462 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:11] [INFO ] Deduced a trap composed of 58 places in 258 ms of which 28 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/873 variables, 1/463 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:11] [INFO ] Deduced a trap composed of 64 places in 303 ms of which 32 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/873 variables, 1/464 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/873 variables, 0/464 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 21 (OVERLAPS) 2/875 variables, 1/465 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:12] [INFO ] Deduced a trap composed of 47 places in 91 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:12] [INFO ] Deduced a trap composed of 47 places in 94 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:12] [INFO ] Deduced a trap composed of 47 places in 88 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:12] [INFO ] Deduced a trap composed of 47 places in 247 ms of which 28 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/875 variables, 4/469 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/875 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 24 (OVERLAPS) 5/880 variables, 3/472 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/880 variables, 1/473 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:13] [INFO ] Deduced a trap composed of 58 places in 240 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:14] [INFO ] Deduced a trap composed of 58 places in 255 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:14] [INFO ] Deduced a trap composed of 61 places in 257 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:14] [INFO ] Deduced a trap composed of 42 places in 276 ms of which 33 ms to minimize.
At refinement iteration 26 (INCLUDED_ONLY) 0/880 variables, 4/477 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:15] [INFO ] Deduced a trap composed of 23 places in 261 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:15] [INFO ] Deduced a trap composed of 68 places in 225 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:15] [INFO ] Deduced a trap composed of 68 places in 236 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:15] [INFO ] Deduced a trap composed of 55 places in 267 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:16] [INFO ] Deduced a trap composed of 58 places in 261 ms of which 31 ms to minimize.
At refinement iteration 27 (INCLUDED_ONLY) 0/880 variables, 5/482 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:16] [INFO ] Deduced a trap composed of 68 places in 237 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:16] [INFO ] Deduced a trap composed of 25 places in 88 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:16] [INFO ] Deduced a trap composed of 27 places in 92 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:17] [INFO ] Deduced a trap composed of 29 places in 70 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:17] [INFO ] Deduced a trap composed of 31 places in 102 ms of which 7 ms to minimize.
At refinement iteration 28 (INCLUDED_ONLY) 0/880 variables, 5/487 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:17] [INFO ] Deduced a trap composed of 46 places in 234 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:18] [INFO ] Deduced a trap composed of 58 places in 235 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:18] [INFO ] Deduced a trap composed of 58 places in 273 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:18] [INFO ] Deduced a trap composed of 3 places in 256 ms of which 12 ms to minimize.
At refinement iteration 29 (INCLUDED_ONLY) 0/880 variables, 4/491 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:19] [INFO ] Deduced a trap composed of 58 places in 218 ms of which 27 ms to minimize.
At refinement iteration 30 (INCLUDED_ONLY) 0/880 variables, 1/492 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:19] [INFO ] Deduced a trap composed of 57 places in 255 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:19] [INFO ] Deduced a trap composed of 19 places in 243 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:20] [INFO ] Deduced a trap composed of 58 places in 255 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:20] [INFO ] Deduced a trap composed of 3 places in 54 ms of which 3 ms to minimize.
At refinement iteration 31 (INCLUDED_ONLY) 0/880 variables, 4/496 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:20] [INFO ] Deduced a trap composed of 58 places in 270 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:21] [INFO ] Deduced a trap composed of 61 places in 227 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:17:21] [INFO ] Deduced a trap composed of 42 places in 224 ms of which 26 ms to minimize.
At refinement iteration 32 (INCLUDED_ONLY) 0/880 variables, 3/499 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 33 (INCLUDED_ONLY) 0/880 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 34 (OVERLAPS) 168/1048 variables, 114/613 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 35 (INCLUDED_ONLY) 0/1048 variables, 142/755 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 36 (INCLUDED_ONLY) 0/1048 variables, 0/755 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 37 (OVERLAPS) 0/1048 variables, 0/755 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 755 constraints, problems are : Problem set: 0 solved, 7 unsolved in 15677 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 47/47 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 17157ms problems are : Problem set: 0 solved, 7 unsolved
Parikh walk visited 0 properties in 1167 ms.
Support contains 7 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 71 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72 ms. Remains : 392/392 places, 2104/2104 transitions.
RANDOM walk for 4000000 steps (8 resets) in 24919 ms. (160 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4281 ms. (934 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4124 ms. (969 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4088 ms. (978 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4019 ms. (995 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4210 ms. (949 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4427 ms. (903 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4178 ms. (957 steps per ms) remains 7/7 properties
Invariant property smplace_523 does not hold.
Invariant property smplace_522 does not hold.
Invariant property smplace_521 does not hold.
Invariant property smplace_520 does not hold.
SDD proceeding with computation,210 properties remain. new max is 131072
SDD size :2.18214e+06 after 4.88666e+06
Interrupted probabilistic random walk after 5443911 steps, run timeout after 42001 ms. (steps per millisecond=129 ) properties seen :0 out of 7
Probabilistic random walk after 5443911 steps, saw 1380501 distinct states, run finished after 42001 ms. (steps per millisecond=129 ) properties seen :0
[2025-05-31 02:18:21] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:18:21] [INFO ] Invariant cache hit.
[2025-05-31 02:18:21] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 223/230 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/230 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 10/240 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 410/650 variables, 240/255 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/650 variables, 70/325 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/650 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 50/700 variables, 8/333 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/700 variables, 1/334 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/700 variables, 48/382 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/700 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (OVERLAPS) 66/766 variables, 30/412 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/766 variables, 24/436 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/766 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (OVERLAPS) 107/873 variables, 5/441 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/873 variables, 0/441 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (OVERLAPS) 2/875 variables, 1/442 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/875 variables, 0/442 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 19 (OVERLAPS) 5/880 variables, 3/445 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/880 variables, 0/445 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 21 (OVERLAPS) 168/1048 variables, 114/559 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 142/701 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 7 unsolved in 1395 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 223/230 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/230 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 10/240 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:23] [INFO ] Deduced a trap composed of 3 places in 140 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:23] [INFO ] Deduced a trap composed of 13 places in 154 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:23] [INFO ] Deduced a trap composed of 3 places in 121 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:23] [INFO ] Deduced a trap composed of 15 places in 98 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:23] [INFO ] Deduced a trap composed of 17 places in 76 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:23] [INFO ] Deduced a trap composed of 11 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:23] [INFO ] Deduced a trap composed of 15 places in 128 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:23] [INFO ] Deduced a trap composed of 17 places in 103 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:24] [INFO ] Deduced a trap composed of 19 places in 77 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:24] [INFO ] Deduced a trap composed of 3 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:24] [INFO ] Deduced a trap composed of 19 places in 96 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:24] [INFO ] Deduced a trap composed of 21 places in 76 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:24] [INFO ] Deduced a trap composed of 3 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:24] [INFO ] Deduced a trap composed of 23 places in 71 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 14/29 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:24] [INFO ] Deduced a trap composed of 3 places in 48 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 410/650 variables, 240/270 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/650 variables, 70/340 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/650 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 50/700 variables, 8/348 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/700 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/700 variables, 48/397 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/700 variables, 6/403 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/700 variables, 0/403 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (OVERLAPS) 66/766 variables, 30/433 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/766 variables, 24/457 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/766 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 18 (OVERLAPS) 107/873 variables, 5/462 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/873 variables, 0/462 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 20 (OVERLAPS) 2/875 variables, 1/463 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:26] [INFO ] Deduced a trap composed of 11 places in 53 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:26] [INFO ] Deduced a trap composed of 47 places in 239 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:26] [INFO ] Deduced a trap composed of 77 places in 248 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:27] [INFO ] Deduced a trap composed of 81 places in 230 ms of which 23 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/875 variables, 4/467 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:27] [INFO ] Deduced a trap composed of 58 places in 242 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:27] [INFO ] Deduced a trap composed of 58 places in 241 ms of which 28 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/875 variables, 2/469 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:28] [INFO ] Deduced a trap composed of 60 places in 245 ms of which 28 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/875 variables, 1/470 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/875 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 25 (OVERLAPS) 5/880 variables, 3/473 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/880 variables, 1/474 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:29] [INFO ] Deduced a trap composed of 56 places in 212 ms of which 18 ms to minimize.
At refinement iteration 27 (INCLUDED_ONLY) 0/880 variables, 1/475 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:29] [INFO ] Deduced a trap composed of 42 places in 260 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:30] [INFO ] Deduced a trap composed of 46 places in 234 ms of which 23 ms to minimize.
At refinement iteration 28 (INCLUDED_ONLY) 0/880 variables, 2/477 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:30] [INFO ] Deduced a trap composed of 55 places in 228 ms of which 27 ms to minimize.
At refinement iteration 29 (INCLUDED_ONLY) 0/880 variables, 1/478 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:31] [INFO ] Deduced a trap composed of 55 places in 240 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:31] [INFO ] Deduced a trap composed of 58 places in 261 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:31] [INFO ] Deduced a trap composed of 70 places in 230 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:31] [INFO ] Deduced a trap composed of 52 places in 260 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:32] [INFO ] Deduced a trap composed of 3 places in 234 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:32] [INFO ] Deduced a trap composed of 42 places in 245 ms of which 27 ms to minimize.
At refinement iteration 30 (INCLUDED_ONLY) 0/880 variables, 6/484 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:32] [INFO ] Deduced a trap composed of 23 places in 84 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:32] [INFO ] Deduced a trap composed of 25 places in 92 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:32] [INFO ] Deduced a trap composed of 27 places in 87 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:32] [INFO ] Deduced a trap composed of 29 places in 92 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:33] [INFO ] Deduced a trap composed of 31 places in 92 ms of which 8 ms to minimize.
At refinement iteration 31 (INCLUDED_ONLY) 0/880 variables, 5/489 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/880 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 33 (OVERLAPS) 168/1048 variables, 114/603 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 34 (INCLUDED_ONLY) 0/1048 variables, 142/745 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 35 (INCLUDED_ONLY) 0/1048 variables, 0/745 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 36 (OVERLAPS) 0/1048 variables, 0/745 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 745 constraints, problems are : Problem set: 0 solved, 7 unsolved in 12045 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 37/37 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13460ms problems are : Problem set: 0 solved, 7 unsolved
Parikh walk visited 0 properties in 3582 ms.
Support contains 7 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 59 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59 ms. Remains : 392/392 places, 2104/2104 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 56 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
[2025-05-31 02:18:38] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:18:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:18:39] [INFO ] Implicit Places using invariants in 517 ms returned []
[2025-05-31 02:18:39] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:18:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:18:39] [INFO ] State equation strengthened by 284 read => feed constraints.
[2025-05-31 02:18:41] [INFO ] Implicit Places using invariants and state equation in 2270 ms returned []
Implicit Place search using SMT with State Equation took 2796 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:18:41] [INFO ] Redundant transitions in 109 ms returned []
Running 2096 sub problems to find dead transitions.
[2025-05-31 02:18:41] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:18:41] [INFO ] Invariant cache hit.
[2025-05-31 02:18:41] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:56] [INFO ] Deduced a trap composed of 3 places in 183 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:56] [INFO ] Deduced a trap composed of 15 places in 125 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:56] [INFO ] Deduced a trap composed of 21 places in 116 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:57] [INFO ] Deduced a trap composed of 23 places in 82 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:57] [INFO ] Deduced a trap composed of 19 places in 162 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:57] [INFO ] Deduced a trap composed of 21 places in 76 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:57] [INFO ] Deduced a trap composed of 61 places in 144 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:57] [INFO ] Deduced a trap composed of 23 places in 144 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:57] [INFO ] Deduced a trap composed of 29 places in 72 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:58] [INFO ] Deduced a trap composed of 3 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:58] [INFO ] Deduced a trap composed of 3 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:59] [INFO ] Deduced a trap composed of 11 places in 209 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:59] [INFO ] Deduced a trap composed of 3 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:59] [INFO ] Deduced a trap composed of 66 places in 201 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:59] [INFO ] Deduced a trap composed of 3 places in 60 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:59] [INFO ] Deduced a trap composed of 66 places in 221 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:18:59] [INFO ] Deduced a trap composed of 23 places in 105 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:00] [INFO ] Deduced a trap composed of 27 places in 74 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:00] [INFO ] Deduced a trap composed of 67 places in 251 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:00] [INFO ] Deduced a trap composed of 42 places in 227 ms of which 24 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 20/45 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:01] [INFO ] Deduced a trap composed of 27 places in 85 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:02] [INFO ] Deduced a trap composed of 42 places in 178 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:02] [INFO ] Deduced a trap composed of 42 places in 174 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:03] [INFO ] Deduced a trap composed of 42 places in 185 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:03] [INFO ] Deduced a trap composed of 61 places in 172 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:05] [INFO ] Deduced a trap composed of 42 places in 190 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:07] [INFO ] Deduced a trap composed of 23 places in 79 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:07] [INFO ] Deduced a trap composed of 25 places in 202 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:08] [INFO ] Deduced a trap composed of 42 places in 220 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:08] [INFO ] Deduced a trap composed of 71 places in 219 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:08] [INFO ] Deduced a trap composed of 13 places in 109 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:09] [INFO ] Deduced a trap composed of 42 places in 219 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:09] [INFO ] Deduced a trap composed of 68 places in 212 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:10] [INFO ] Deduced a trap composed of 73 places in 211 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:11] [INFO ] Deduced a trap composed of 42 places in 217 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:12] [INFO ] Deduced a trap composed of 17 places in 207 ms of which 17 ms to minimize.
SMT process timed out in 30923ms, After SMT, problems are : Problem set: 0 solved, 2096 unsolved
Search for dead transitions found 0 dead transitions in 30940ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33917 ms. Remains : 392/392 places, 2104/2104 transitions.
RANDOM walk for 400000 steps (8 resets) in 3536 ms. (113 steps per ms) remains 7/7 properties
Running SMT prover for 7 properties.
[2025-05-31 02:19:13] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:19:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:19:13] [INFO ] [Real]Absence check using 17 positive place invariants in 9 ms returned sat
[2025-05-31 02:19:13] [INFO ] [Real]Absence check using 17 positive and 8 generalized place invariants in 9 ms returned sat
[2025-05-31 02:19:13] [INFO ] After 179ms SMT Verify possible using state equation in real domain returned unsat :0 sat :7
[2025-05-31 02:19:13] [INFO ] State equation strengthened by 284 read => feed constraints.
[2025-05-31 02:19:13] [INFO ] After 74ms SMT Verify possible using 284 Read/Feed constraints in real domain returned unsat :0 sat :7
TRAPS : Iteration 0
[2025-05-31 02:19:14] [INFO ] After 401ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:7
[2025-05-31 02:19:14] [INFO ] After 688ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:19:14] [INFO ] [Nat]Absence check using 17 positive place invariants in 8 ms returned sat
[2025-05-31 02:19:14] [INFO ] [Nat]Absence check using 17 positive and 8 generalized place invariants in 4 ms returned sat
[2025-05-31 02:19:14] [INFO ] After 173ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :7
[2025-05-31 02:19:14] [INFO ] After 95ms SMT Verify possible using 284 Read/Feed constraints in natural domain returned unsat :0 sat :7
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:14] [INFO ] Deduced a trap composed of 11 places in 74 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:14] [INFO ] Deduced a trap composed of 3 places in 95 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:14] [INFO ] Deduced a trap composed of 17 places in 111 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:14] [INFO ] Deduced a trap composed of 3 places in 46 ms of which 2 ms to minimize.
[2025-05-31 02:19:15] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 464 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:15] [INFO ] Deduced a trap composed of 3 places in 90 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:15] [INFO ] Deduced a trap composed of 15 places in 76 ms of which 5 ms to minimize.
[2025-05-31 02:19:15] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 248 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:15] [INFO ] Deduced a trap composed of 3 places in 99 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:15] [INFO ] Deduced a trap composed of 19 places in 85 ms of which 7 ms to minimize.
[2025-05-31 02:19:15] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 265 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:15] [INFO ] Deduced a trap composed of 3 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:15] [INFO ] Deduced a trap composed of 17 places in 79 ms of which 8 ms to minimize.
[2025-05-31 02:19:15] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 214 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:16] [INFO ] Deduced a trap composed of 23 places in 72 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:16] [INFO ] Deduced a trap composed of 21 places in 81 ms of which 5 ms to minimize.
[2025-05-31 02:19:16] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 241 ms
TRAPS : Iteration 1
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:19:16] [INFO ] Deduced a trap composed of 13 places in 65 ms of which 3 ms to minimize.
[2025-05-31 02:19:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 118 ms
TRAPS : Iteration 2
[2025-05-31 02:19:16] [INFO ] After 2557ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :7
[2025-05-31 02:19:17] [INFO ] After 2868ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :7
SDD proceeding with computation,210 properties remain. new max is 262144
SDD size :4.88666e+06 after 5.72231e+06
RANDOM walk for 4000000 steps (8 resets) in 23177 ms. (172 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4303 ms. (929 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4245 ms. (942 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4307 ms. (928 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3963 ms. (1009 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4189 ms. (954 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4051 ms. (987 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4056 ms. (985 steps per ms) remains 7/7 properties
Interrupted probabilistic random walk after 5107266 steps, run timeout after 42001 ms. (steps per millisecond=121 ) properties seen :0 out of 7
Probabilistic random walk after 5107266 steps, saw 1310540 distinct states, run finished after 42001 ms. (steps per millisecond=121 ) properties seen :0
[2025-05-31 02:20:13] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:20:13] [INFO ] Invariant cache hit.
[2025-05-31 02:20:13] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 223/230 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/230 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 10/240 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 410/650 variables, 240/255 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/650 variables, 70/325 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/650 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 50/700 variables, 8/333 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/700 variables, 1/334 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/700 variables, 48/382 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/700 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (OVERLAPS) 66/766 variables, 30/412 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/766 variables, 24/436 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/766 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (OVERLAPS) 107/873 variables, 5/441 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/873 variables, 0/441 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (OVERLAPS) 2/875 variables, 1/442 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/875 variables, 0/442 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 19 (OVERLAPS) 5/880 variables, 3/445 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/880 variables, 0/445 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 21 (OVERLAPS) 168/1048 variables, 114/559 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 142/701 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 7 unsolved in 1512 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 223/230 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/230 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 10/240 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:15] [INFO ] Deduced a trap composed of 3 places in 158 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:15] [INFO ] Deduced a trap composed of 13 places in 164 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:15] [INFO ] Deduced a trap composed of 3 places in 122 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:15] [INFO ] Deduced a trap composed of 15 places in 106 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:15] [INFO ] Deduced a trap composed of 17 places in 80 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:16] [INFO ] Deduced a trap composed of 11 places in 73 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:16] [INFO ] Deduced a trap composed of 15 places in 132 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:16] [INFO ] Deduced a trap composed of 17 places in 111 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:16] [INFO ] Deduced a trap composed of 19 places in 78 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:16] [INFO ] Deduced a trap composed of 3 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:16] [INFO ] Deduced a trap composed of 19 places in 109 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:16] [INFO ] Deduced a trap composed of 21 places in 84 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:16] [INFO ] Deduced a trap composed of 3 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:16] [INFO ] Deduced a trap composed of 23 places in 78 ms of which 7 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 14/29 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:16] [INFO ] Deduced a trap composed of 3 places in 47 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 410/650 variables, 240/270 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/650 variables, 70/340 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/650 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 50/700 variables, 8/348 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/700 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/700 variables, 48/397 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/700 variables, 6/403 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/700 variables, 0/403 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (OVERLAPS) 66/766 variables, 30/433 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/766 variables, 24/457 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/766 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 18 (OVERLAPS) 107/873 variables, 5/462 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/873 variables, 0/462 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 20 (OVERLAPS) 2/875 variables, 1/463 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:18] [INFO ] Deduced a trap composed of 11 places in 52 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:18] [INFO ] Deduced a trap composed of 47 places in 252 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:19] [INFO ] Deduced a trap composed of 77 places in 268 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:19] [INFO ] Deduced a trap composed of 81 places in 240 ms of which 24 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/875 variables, 4/467 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:19] [INFO ] Deduced a trap composed of 58 places in 254 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:20] [INFO ] Deduced a trap composed of 58 places in 258 ms of which 29 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/875 variables, 2/469 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:21] [INFO ] Deduced a trap composed of 60 places in 257 ms of which 28 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/875 variables, 1/470 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/875 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 25 (OVERLAPS) 5/880 variables, 3/473 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/880 variables, 1/474 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:21] [INFO ] Deduced a trap composed of 56 places in 214 ms of which 17 ms to minimize.
At refinement iteration 27 (INCLUDED_ONLY) 0/880 variables, 1/475 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:22] [INFO ] Deduced a trap composed of 42 places in 284 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:22] [INFO ] Deduced a trap composed of 46 places in 265 ms of which 23 ms to minimize.
At refinement iteration 28 (INCLUDED_ONLY) 0/880 variables, 2/477 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:23] [INFO ] Deduced a trap composed of 55 places in 236 ms of which 27 ms to minimize.
At refinement iteration 29 (INCLUDED_ONLY) 0/880 variables, 1/478 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:23] [INFO ] Deduced a trap composed of 55 places in 223 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:23] [INFO ] Deduced a trap composed of 58 places in 245 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:24] [INFO ] Deduced a trap composed of 70 places in 221 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:24] [INFO ] Deduced a trap composed of 52 places in 232 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:24] [INFO ] Deduced a trap composed of 3 places in 212 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:24] [INFO ] Deduced a trap composed of 42 places in 214 ms of which 25 ms to minimize.
At refinement iteration 30 (INCLUDED_ONLY) 0/880 variables, 6/484 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:25] [INFO ] Deduced a trap composed of 23 places in 81 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:25] [INFO ] Deduced a trap composed of 25 places in 91 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:25] [INFO ] Deduced a trap composed of 27 places in 85 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:25] [INFO ] Deduced a trap composed of 29 places in 87 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:25] [INFO ] Deduced a trap composed of 31 places in 90 ms of which 7 ms to minimize.
At refinement iteration 31 (INCLUDED_ONLY) 0/880 variables, 5/489 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/880 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 33 (OVERLAPS) 168/1048 variables, 114/603 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 34 (INCLUDED_ONLY) 0/1048 variables, 142/745 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 35 (INCLUDED_ONLY) 0/1048 variables, 0/745 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 36 (OVERLAPS) 0/1048 variables, 0/745 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 745 constraints, problems are : Problem set: 0 solved, 7 unsolved in 12414 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 37/37 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13941ms problems are : Problem set: 0 solved, 7 unsolved
Parikh walk visited 0 properties in 3806 ms.
Support contains 7 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 57 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58 ms. Remains : 392/392 places, 2104/2104 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 56 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
[2025-05-31 02:20:31] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:20:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:20:31] [INFO ] Implicit Places using invariants in 462 ms returned []
[2025-05-31 02:20:31] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:20:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:20:32] [INFO ] State equation strengthened by 284 read => feed constraints.
[2025-05-31 02:20:34] [INFO ] Implicit Places using invariants and state equation in 2569 ms returned []
Implicit Place search using SMT with State Equation took 3035 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:20:34] [INFO ] Redundant transitions in 46 ms returned []
Running 2096 sub problems to find dead transitions.
[2025-05-31 02:20:34] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:20:34] [INFO ] Invariant cache hit.
[2025-05-31 02:20:34] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:48] [INFO ] Deduced a trap composed of 3 places in 169 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:49] [INFO ] Deduced a trap composed of 15 places in 145 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:49] [INFO ] Deduced a trap composed of 21 places in 116 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:49] [INFO ] Deduced a trap composed of 23 places in 84 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:49] [INFO ] Deduced a trap composed of 19 places in 110 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:49] [INFO ] Deduced a trap composed of 21 places in 83 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:49] [INFO ] Deduced a trap composed of 61 places in 169 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:50] [INFO ] Deduced a trap composed of 23 places in 160 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:50] [INFO ] Deduced a trap composed of 29 places in 74 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:51] [INFO ] Deduced a trap composed of 3 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:51] [INFO ] Deduced a trap composed of 3 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:51] [INFO ] Deduced a trap composed of 11 places in 204 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:51] [INFO ] Deduced a trap composed of 3 places in 53 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:51] [INFO ] Deduced a trap composed of 66 places in 207 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:51] [INFO ] Deduced a trap composed of 3 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:52] [INFO ] Deduced a trap composed of 66 places in 221 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:52] [INFO ] Deduced a trap composed of 23 places in 102 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:52] [INFO ] Deduced a trap composed of 27 places in 77 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:52] [INFO ] Deduced a trap composed of 67 places in 234 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:53] [INFO ] Deduced a trap composed of 42 places in 224 ms of which 26 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 20/45 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:53] [INFO ] Deduced a trap composed of 27 places in 77 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:55] [INFO ] Deduced a trap composed of 42 places in 176 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:55] [INFO ] Deduced a trap composed of 42 places in 174 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:55] [INFO ] Deduced a trap composed of 42 places in 167 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:55] [INFO ] Deduced a trap composed of 61 places in 165 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:57] [INFO ] Deduced a trap composed of 42 places in 197 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:20:59] [INFO ] Deduced a trap composed of 23 places in 78 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:00] [INFO ] Deduced a trap composed of 25 places in 198 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:00] [INFO ] Deduced a trap composed of 42 places in 208 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:00] [INFO ] Deduced a trap composed of 71 places in 243 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:01] [INFO ] Deduced a trap composed of 13 places in 106 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:01] [INFO ] Deduced a trap composed of 42 places in 218 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:02] [INFO ] Deduced a trap composed of 68 places in 213 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:02] [INFO ] Deduced a trap composed of 73 places in 217 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:03] [INFO ] Deduced a trap composed of 42 places in 252 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:04] [INFO ] Deduced a trap composed of 17 places in 192 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:05] [INFO ] Deduced a trap composed of 68 places in 200 ms of which 22 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 392/1048 variables, and 62 constraints, problems are : Problem set: 0 solved, 2096 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 0/392 constraints, ReadFeed: 0/284 constraints, PredecessorRefiner: 2096/2096 constraints, Known Traps: 37/37 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 37/62 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:08] [INFO ] Deduced a trap composed of 42 places in 151 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:08] [INFO ] Deduced a trap composed of 42 places in 182 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:08] [INFO ] Deduced a trap composed of 42 places in 183 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:08] [INFO ] Deduced a trap composed of 42 places in 181 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:15] [INFO ] Deduced a trap composed of 3 places in 192 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:15] [INFO ] Deduced a trap composed of 15 places in 170 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:15] [INFO ] Deduced a trap composed of 19 places in 78 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:17] [INFO ] Deduced a trap composed of 3 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:18] [INFO ] Deduced a trap composed of 17 places in 174 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:20] [INFO ] Deduced a trap composed of 61 places in 209 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:21] [INFO ] Deduced a trap composed of 19 places in 195 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:22] [INFO ] Deduced a trap composed of 3 places in 66 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:22] [INFO ] Deduced a trap composed of 21 places in 87 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:23] [INFO ] Deduced a trap composed of 65 places in 219 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:23] [INFO ] Deduced a trap composed of 61 places in 231 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:23] [INFO ] Deduced a trap composed of 70 places in 207 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:24] [INFO ] Deduced a trap composed of 55 places in 217 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:24] [INFO ] Deduced a trap composed of 58 places in 253 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:24] [INFO ] Deduced a trap composed of 46 places in 229 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:25] [INFO ] Deduced a trap composed of 61 places in 227 ms of which 31 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/392 variables, 20/82 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 392/1048 variables, and 82 constraints, problems are : Problem set: 0 solved, 2096 unsolved in 30057 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 0/392 constraints, ReadFeed: 0/284 constraints, PredecessorRefiner: 0/2096 constraints, Known Traps: 57/57 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60624ms problems are : Problem set: 0 solved, 2096 unsolved
Search for dead transitions found 0 dead transitions in 60630ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63778 ms. Remains : 392/392 places, 2104/2104 transitions.
RANDOM walk for 400000 steps (8 resets) in 2434 ms. (164 steps per ms) remains 7/7 properties
Running SMT prover for 7 properties.
[2025-05-31 02:21:35] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:21:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:21:35] [INFO ] [Real]Absence check using 17 positive place invariants in 8 ms returned sat
[2025-05-31 02:21:35] [INFO ] [Real]Absence check using 17 positive and 8 generalized place invariants in 4 ms returned sat
[2025-05-31 02:21:36] [INFO ] After 193ms SMT Verify possible using state equation in real domain returned unsat :0 sat :7
[2025-05-31 02:21:36] [INFO ] State equation strengthened by 284 read => feed constraints.
[2025-05-31 02:21:36] [INFO ] After 74ms SMT Verify possible using 284 Read/Feed constraints in real domain returned unsat :0 sat :7
TRAPS : Iteration 0
[2025-05-31 02:21:36] [INFO ] After 374ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:7
[2025-05-31 02:21:36] [INFO ] After 660ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:21:36] [INFO ] [Nat]Absence check using 17 positive place invariants in 7 ms returned sat
[2025-05-31 02:21:36] [INFO ] [Nat]Absence check using 17 positive and 8 generalized place invariants in 8 ms returned sat
[2025-05-31 02:21:36] [INFO ] After 166ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :7
[2025-05-31 02:21:36] [INFO ] After 92ms SMT Verify possible using 284 Read/Feed constraints in natural domain returned unsat :0 sat :7
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:36] [INFO ] Deduced a trap composed of 11 places in 109 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:37] [INFO ] Deduced a trap composed of 3 places in 92 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:37] [INFO ] Deduced a trap composed of 17 places in 81 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:37] [INFO ] Deduced a trap composed of 3 places in 53 ms of which 2 ms to minimize.
[2025-05-31 02:21:37] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 453 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:37] [INFO ] Deduced a trap composed of 3 places in 91 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:37] [INFO ] Deduced a trap composed of 15 places in 94 ms of which 6 ms to minimize.
[2025-05-31 02:21:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 255 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:37] [INFO ] Deduced a trap composed of 3 places in 105 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:37] [INFO ] Deduced a trap composed of 19 places in 79 ms of which 7 ms to minimize.
[2025-05-31 02:21:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 274 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:38] [INFO ] Deduced a trap composed of 3 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:38] [INFO ] Deduced a trap composed of 17 places in 78 ms of which 7 ms to minimize.
[2025-05-31 02:21:38] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 215 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:38] [INFO ] Deduced a trap composed of 23 places in 70 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:38] [INFO ] Deduced a trap composed of 21 places in 75 ms of which 5 ms to minimize.
[2025-05-31 02:21:38] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 217 ms
TRAPS : Iteration 1
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:38] [INFO ] Deduced a trap composed of 13 places in 65 ms of which 3 ms to minimize.
[2025-05-31 02:21:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 121 ms
TRAPS : Iteration 2
[2025-05-31 02:21:39] [INFO ] After 2474ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :7
[2025-05-31 02:21:39] [INFO ] After 2789ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :7
RANDOM walk for 40000 steps (8 resets) in 193 ms. (206 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 501993 steps, run timeout after 3001 ms. (steps per millisecond=167 ) properties seen :0 out of 1
Probabilistic random walk after 501993 steps, saw 262854 distinct states, run finished after 3001 ms. (steps per millisecond=167 ) properties seen :0
[2025-05-31 02:21:42] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:21:42] [INFO ] Invariant cache hit.
[2025-05-31 02:21:42] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 8/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 28/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 246/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 481 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 8/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 28/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:43] [INFO ] Deduced a trap composed of 47 places in 105 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:43] [INFO ] Deduced a trap composed of 11 places in 53 ms of which 2 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 2/184 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/643 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 13/656 variables, 7/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:43] [INFO ] Deduced a trap composed of 23 places in 169 ms of which 4 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 1/193 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/656 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 392/1048 variables, 266/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 246/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:43] [INFO ] Deduced a trap composed of 3 places in 59 ms of which 2 ms to minimize.
At refinement iteration 26 (INCLUDED_ONLY) 0/1048 variables, 1/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1048 variables, 0/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1048 variables, 0/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 706 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1033 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1524ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 62 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 70 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71 ms. Remains : 392/392 places, 2104/2104 transitions.
RANDOM walk for 40000 steps (8 resets) in 215 ms. (185 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 504297 steps, run timeout after 3001 ms. (steps per millisecond=168 ) properties seen :0 out of 1
Probabilistic random walk after 504297 steps, saw 263561 distinct states, run finished after 3003 ms. (steps per millisecond=167 ) properties seen :0
[2025-05-31 02:21:47] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:21:47] [INFO ] Invariant cache hit.
[2025-05-31 02:21:47] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 8/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 28/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 246/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 366 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 8/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 28/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:47] [INFO ] Deduced a trap composed of 47 places in 83 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:47] [INFO ] Deduced a trap composed of 11 places in 57 ms of which 3 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 2/184 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/643 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 13/656 variables, 7/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:48] [INFO ] Deduced a trap composed of 23 places in 81 ms of which 4 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 1/193 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/656 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 392/1048 variables, 266/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 246/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:21:48] [INFO ] Deduced a trap composed of 3 places in 62 ms of which 3 ms to minimize.
At refinement iteration 26 (INCLUDED_ONLY) 0/1048 variables, 1/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1048 variables, 0/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1048 variables, 0/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 706 constraints, problems are : Problem set: 0 solved, 1 unsolved in 876 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1251ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 61 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 53 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53 ms. Remains : 392/392 places, 2104/2104 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 53 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
[2025-05-31 02:21:48] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:21:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:21:49] [INFO ] Implicit Places using invariants in 544 ms returned []
[2025-05-31 02:21:49] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:21:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:21:49] [INFO ] State equation strengthened by 284 read => feed constraints.
[2025-05-31 02:21:51] [INFO ] Implicit Places using invariants and state equation in 2360 ms returned []
Implicit Place search using SMT with State Equation took 2911 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:21:51] [INFO ] Redundant transitions in 149 ms returned []
Running 2096 sub problems to find dead transitions.
[2025-05-31 02:21:51] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:21:51] [INFO ] Invariant cache hit.
[2025-05-31 02:21:51] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:06] [INFO ] Deduced a trap composed of 3 places in 150 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:06] [INFO ] Deduced a trap composed of 15 places in 138 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:06] [INFO ] Deduced a trap composed of 21 places in 110 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:07] [INFO ] Deduced a trap composed of 23 places in 77 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:07] [INFO ] Deduced a trap composed of 19 places in 111 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:07] [INFO ] Deduced a trap composed of 21 places in 84 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:07] [INFO ] Deduced a trap composed of 61 places in 155 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:07] [INFO ] Deduced a trap composed of 23 places in 154 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:07] [INFO ] Deduced a trap composed of 29 places in 73 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:08] [INFO ] Deduced a trap composed of 3 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:08] [INFO ] Deduced a trap composed of 3 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:09] [INFO ] Deduced a trap composed of 11 places in 188 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:09] [INFO ] Deduced a trap composed of 3 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:09] [INFO ] Deduced a trap composed of 66 places in 196 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:09] [INFO ] Deduced a trap composed of 3 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:09] [INFO ] Deduced a trap composed of 66 places in 201 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:09] [INFO ] Deduced a trap composed of 23 places in 100 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:10] [INFO ] Deduced a trap composed of 27 places in 74 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:10] [INFO ] Deduced a trap composed of 67 places in 223 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:10] [INFO ] Deduced a trap composed of 42 places in 211 ms of which 24 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 20/45 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:11] [INFO ] Deduced a trap composed of 27 places in 74 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:12] [INFO ] Deduced a trap composed of 42 places in 168 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:12] [INFO ] Deduced a trap composed of 42 places in 167 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:13] [INFO ] Deduced a trap composed of 42 places in 188 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:13] [INFO ] Deduced a trap composed of 61 places in 165 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:15] [INFO ] Deduced a trap composed of 42 places in 186 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:17] [INFO ] Deduced a trap composed of 23 places in 75 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:17] [INFO ] Deduced a trap composed of 25 places in 189 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:17] [INFO ] Deduced a trap composed of 42 places in 212 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:18] [INFO ] Deduced a trap composed of 71 places in 222 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:18] [INFO ] Deduced a trap composed of 13 places in 107 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:19] [INFO ] Deduced a trap composed of 42 places in 210 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:19] [INFO ] Deduced a trap composed of 68 places in 204 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:20] [INFO ] Deduced a trap composed of 73 places in 207 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:21] [INFO ] Deduced a trap composed of 42 places in 205 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:22] [INFO ] Deduced a trap composed of 17 places in 208 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:22] [INFO ] Deduced a trap composed of 68 places in 216 ms of which 22 ms to minimize.
SMT process timed out in 30826ms, After SMT, problems are : Problem set: 0 solved, 2096 unsolved
Search for dead transitions found 0 dead transitions in 30832ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33963 ms. Remains : 392/392 places, 2104/2104 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1958 edges and 392 vertex of which 64 / 392 are part of one of the 8 SCC in 3 ms
Free SCC test removed 56 places
Drop transitions (Empty/Sink Transition effects.) removed 216 transitions
Ensure Unique test removed 1400 transitions
Reduce isomorphic transitions removed 1616 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 79 transitions
Trivial Post-agglo rules discarded 79 transitions
Performed 79 trivial Post agglomeration. Transition count delta: 79
Iterating post reduction 0 with 79 rules applied. Total rules applied 80 place count 336 transition count 409
Reduce places removed 79 places and 0 transitions.
Iterating post reduction 1 with 79 rules applied. Total rules applied 159 place count 257 transition count 409
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 159 place count 257 transition count 392
Deduced a syphon composed of 17 places in 1 ms
Ensure Unique test removed 8 places
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 201 place count 232 transition count 392
Performed 111 Post agglomeration using F-continuation condition.Transition count delta: 111
Deduced a syphon composed of 111 places in 0 ms
Reduce places removed 111 places and 0 transitions.
Iterating global reduction 2 with 222 rules applied. Total rules applied 423 place count 121 transition count 281
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 2 with 56 rules applied. Total rules applied 479 place count 121 transition count 225
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 495 place count 113 transition count 225
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 503 place count 113 transition count 217
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 4 with 8 rules applied. Total rules applied 511 place count 113 transition count 209
Free-agglomeration rule applied 56 times.
Iterating global reduction 4 with 56 rules applied. Total rules applied 567 place count 113 transition count 153
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 4 with 56 rules applied. Total rules applied 623 place count 57 transition count 153
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 5 with 8 rules applied. Total rules applied 631 place count 57 transition count 153
Applied a total of 631 rules in 49 ms. Remains 57 /392 variables (removed 335) and now considering 153/2104 (removed 1951) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 153 rows 57 cols
[2025-05-31 02:22:22] [INFO ] Computed 17 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:22:22] [INFO ] After 20ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:22:22] [INFO ] [Nat]Absence check using 17 positive place invariants in 2 ms returned sat
[2025-05-31 02:22:22] [INFO ] After 26ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 02:22:22] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-31 02:22:22] [INFO ] After 8ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 02:22:22] [INFO ] After 14ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 02:22:22] [INFO ] After 74ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 149 ms.
RANDOM walk for 40000 steps (8 resets) in 273 ms. (145 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 510453 steps, run timeout after 3001 ms. (steps per millisecond=170 ) properties seen :0 out of 1
Probabilistic random walk after 510453 steps, saw 266637 distinct states, run finished after 3001 ms. (steps per millisecond=170 ) properties seen :0
[2025-05-31 02:22:25] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
// Phase 1: matrix 656 rows 392 cols
[2025-05-31 02:22:25] [INFO ] Computed 25 invariants in 8 ms
[2025-05-31 02:22:25] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 309 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 1/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:26] [INFO ] Deduced a trap composed of 11 places in 251 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:26] [INFO ] Deduced a trap composed of 46 places in 307 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:27] [INFO ] Deduced a trap composed of 70 places in 250 ms of which 33 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 3/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 392/1048 variables, 266/458 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1048 variables, 247/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1048 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 705 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1414 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1741ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 71 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 81 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 82 ms. Remains : 392/392 places, 2104/2104 transitions.
RANDOM walk for 40000 steps (8 resets) in 228 ms. (174 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
SDD proceeding with computation,210 properties remain. new max is 524288
SDD size :5.72231e+06 after 3.43397e+07
Interrupted probabilistic random walk after 508221 steps, run timeout after 3001 ms. (steps per millisecond=169 ) properties seen :0 out of 1
Probabilistic random walk after 508221 steps, saw 265380 distinct states, run finished after 3001 ms. (steps per millisecond=169 ) properties seen :0
[2025-05-31 02:22:30] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:22:30] [INFO ] Invariant cache hit.
[2025-05-31 02:22:30] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 332 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 1/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 0/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 392/1048 variables, 266/455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 247/702 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:31] [INFO ] Deduced a trap composed of 3 places in 81 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:31] [INFO ] Deduced a trap composed of 3 places in 58 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:31] [INFO ] Deduced a trap composed of 21 places in 88 ms of which 4 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/1048 variables, 3/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1048 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 705 constraints, problems are : Problem set: 0 solved, 1 unsolved in 878 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1238ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 49 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 57 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57 ms. Remains : 392/392 places, 2104/2104 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 56 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
[2025-05-31 02:22:32] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:22:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:22:32] [INFO ] Implicit Places using invariants in 478 ms returned []
[2025-05-31 02:22:32] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:22:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:22:32] [INFO ] State equation strengthened by 284 read => feed constraints.
[2025-05-31 02:22:35] [INFO ] Implicit Places using invariants and state equation in 2394 ms returned []
Implicit Place search using SMT with State Equation took 2875 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:22:35] [INFO ] Redundant transitions in 44 ms returned []
Running 2096 sub problems to find dead transitions.
[2025-05-31 02:22:35] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:22:35] [INFO ] Invariant cache hit.
[2025-05-31 02:22:35] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:50] [INFO ] Deduced a trap composed of 3 places in 160 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:50] [INFO ] Deduced a trap composed of 15 places in 137 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:50] [INFO ] Deduced a trap composed of 21 places in 113 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:50] [INFO ] Deduced a trap composed of 23 places in 86 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:50] [INFO ] Deduced a trap composed of 19 places in 116 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:50] [INFO ] Deduced a trap composed of 21 places in 85 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:50] [INFO ] Deduced a trap composed of 61 places in 152 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:51] [INFO ] Deduced a trap composed of 23 places in 179 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:51] [INFO ] Deduced a trap composed of 29 places in 69 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:52] [INFO ] Deduced a trap composed of 3 places in 62 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:52] [INFO ] Deduced a trap composed of 3 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:52] [INFO ] Deduced a trap composed of 11 places in 181 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:52] [INFO ] Deduced a trap composed of 3 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:52] [INFO ] Deduced a trap composed of 66 places in 202 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:52] [INFO ] Deduced a trap composed of 3 places in 67 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:53] [INFO ] Deduced a trap composed of 66 places in 193 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:53] [INFO ] Deduced a trap composed of 23 places in 106 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:53] [INFO ] Deduced a trap composed of 27 places in 76 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:53] [INFO ] Deduced a trap composed of 67 places in 230 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:53] [INFO ] Deduced a trap composed of 42 places in 187 ms of which 23 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 20/45 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:54] [INFO ] Deduced a trap composed of 27 places in 68 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:55] [INFO ] Deduced a trap composed of 42 places in 165 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:56] [INFO ] Deduced a trap composed of 42 places in 170 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:56] [INFO ] Deduced a trap composed of 42 places in 166 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:56] [INFO ] Deduced a trap composed of 61 places in 160 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:22:58] [INFO ] Deduced a trap composed of 42 places in 187 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:00] [INFO ] Deduced a trap composed of 23 places in 83 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:00] [INFO ] Deduced a trap composed of 25 places in 185 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:00] [INFO ] Deduced a trap composed of 42 places in 205 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:01] [INFO ] Deduced a trap composed of 71 places in 211 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:01] [INFO ] Deduced a trap composed of 13 places in 102 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:02] [INFO ] Deduced a trap composed of 42 places in 203 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:02] [INFO ] Deduced a trap composed of 68 places in 195 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:03] [INFO ] Deduced a trap composed of 73 places in 215 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:04] [INFO ] Deduced a trap composed of 42 places in 217 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:05] [INFO ] Deduced a trap composed of 17 places in 215 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:05] [INFO ] Deduced a trap composed of 68 places in 221 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:05] [INFO ] Deduced a trap composed of 19 places in 268 ms of which 17 ms to minimize.
SMT process timed out in 30847ms, After SMT, problems are : Problem set: 0 solved, 2096 unsolved
Search for dead transitions found 0 dead transitions in 30853ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33840 ms. Remains : 392/392 places, 2104/2104 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1958 edges and 392 vertex of which 64 / 392 are part of one of the 8 SCC in 1 ms
Free SCC test removed 56 places
Drop transitions (Empty/Sink Transition effects.) removed 216 transitions
Ensure Unique test removed 1400 transitions
Reduce isomorphic transitions removed 1616 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 79 transitions
Trivial Post-agglo rules discarded 79 transitions
Performed 79 trivial Post agglomeration. Transition count delta: 79
Iterating post reduction 0 with 79 rules applied. Total rules applied 80 place count 336 transition count 409
Reduce places removed 79 places and 0 transitions.
Iterating post reduction 1 with 79 rules applied. Total rules applied 159 place count 257 transition count 409
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 159 place count 257 transition count 392
Deduced a syphon composed of 17 places in 0 ms
Ensure Unique test removed 8 places
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 201 place count 232 transition count 392
Performed 111 Post agglomeration using F-continuation condition.Transition count delta: 111
Deduced a syphon composed of 111 places in 0 ms
Reduce places removed 111 places and 0 transitions.
Iterating global reduction 2 with 222 rules applied. Total rules applied 423 place count 121 transition count 281
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 2 with 56 rules applied. Total rules applied 479 place count 121 transition count 225
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 495 place count 113 transition count 225
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 503 place count 113 transition count 217
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 4 with 8 rules applied. Total rules applied 511 place count 113 transition count 209
Free-agglomeration rule applied 56 times.
Iterating global reduction 4 with 56 rules applied. Total rules applied 567 place count 113 transition count 153
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 4 with 56 rules applied. Total rules applied 623 place count 57 transition count 153
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 5 with 8 rules applied. Total rules applied 631 place count 57 transition count 153
Applied a total of 631 rules in 37 ms. Remains 57 /392 variables (removed 335) and now considering 153/2104 (removed 1951) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 153 rows 57 cols
[2025-05-31 02:23:05] [INFO ] Computed 17 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:23:05] [INFO ] After 19ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:23:06] [INFO ] [Nat]Absence check using 17 positive place invariants in 2 ms returned sat
[2025-05-31 02:23:06] [INFO ] After 26ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 02:23:06] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-31 02:23:06] [INFO ] After 4ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 02:23:06] [INFO ] After 10ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 02:23:06] [INFO ] After 73ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 139 ms.
RANDOM walk for 40000 steps (8 resets) in 317 ms. (125 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 499365 steps, run timeout after 3001 ms. (steps per millisecond=166 ) properties seen :0 out of 1
Probabilistic random walk after 499365 steps, saw 261572 distinct states, run finished after 3003 ms. (steps per millisecond=166 ) properties seen :0
[2025-05-31 02:23:09] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
// Phase 1: matrix 656 rows 392 cols
[2025-05-31 02:23:09] [INFO ] Computed 25 invariants in 8 ms
[2025-05-31 02:23:09] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 360 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:09] [INFO ] Deduced a trap composed of 47 places in 78 ms of which 5 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/643 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 13/656 variables, 7/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 392/1048 variables, 266/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1048 variables, 247/703 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:10] [INFO ] Deduced a trap composed of 3 places in 75 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:10] [INFO ] Deduced a trap composed of 3 places in 74 ms of which 3 ms to minimize.
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 2/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1048 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/1048 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 705 constraints, problems are : Problem set: 0 solved, 1 unsolved in 902 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1298ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 59 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 53 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 392/392 places, 2104/2104 transitions.
RANDOM walk for 40000 steps (8 resets) in 256 ms. (155 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 508824 steps, run timeout after 3001 ms. (steps per millisecond=169 ) properties seen :0 out of 1
Probabilistic random walk after 508824 steps, saw 265769 distinct states, run finished after 3001 ms. (steps per millisecond=169 ) properties seen :0
[2025-05-31 02:23:13] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:23:13] [INFO ] Invariant cache hit.
[2025-05-31 02:23:13] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 325 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:14] [INFO ] Deduced a trap composed of 11 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:14] [INFO ] Deduced a trap composed of 47 places in 78 ms of which 5 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 2/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/643 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 13/656 variables, 7/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:14] [INFO ] Deduced a trap composed of 13 places in 123 ms of which 9 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/656 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 392/1048 variables, 266/458 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 247/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1048 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/1048 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 705 constraints, problems are : Problem set: 0 solved, 1 unsolved in 826 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1172ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 63 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 53 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 392/392 places, 2104/2104 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 69 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
[2025-05-31 02:23:15] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:23:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:23:15] [INFO ] Implicit Places using invariants in 510 ms returned []
[2025-05-31 02:23:15] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:23:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:23:15] [INFO ] State equation strengthened by 284 read => feed constraints.
[2025-05-31 02:23:18] [INFO ] Implicit Places using invariants and state equation in 2441 ms returned []
Implicit Place search using SMT with State Equation took 2965 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:23:18] [INFO ] Redundant transitions in 43 ms returned []
Running 2096 sub problems to find dead transitions.
[2025-05-31 02:23:18] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:23:18] [INFO ] Invariant cache hit.
[2025-05-31 02:23:18] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:32] [INFO ] Deduced a trap composed of 3 places in 145 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:32] [INFO ] Deduced a trap composed of 15 places in 133 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:32] [INFO ] Deduced a trap composed of 21 places in 183 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:32] [INFO ] Deduced a trap composed of 23 places in 79 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:32] [INFO ] Deduced a trap composed of 19 places in 104 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:33] [INFO ] Deduced a trap composed of 21 places in 76 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:33] [INFO ] Deduced a trap composed of 61 places in 145 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:33] [INFO ] Deduced a trap composed of 23 places in 143 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:33] [INFO ] Deduced a trap composed of 29 places in 66 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:34] [INFO ] Deduced a trap composed of 3 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:34] [INFO ] Deduced a trap composed of 3 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:34] [INFO ] Deduced a trap composed of 11 places in 193 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:34] [INFO ] Deduced a trap composed of 3 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:35] [INFO ] Deduced a trap composed of 66 places in 210 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:35] [INFO ] Deduced a trap composed of 3 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:35] [INFO ] Deduced a trap composed of 66 places in 219 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:35] [INFO ] Deduced a trap composed of 23 places in 104 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:35] [INFO ] Deduced a trap composed of 27 places in 72 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:35] [INFO ] Deduced a trap composed of 67 places in 246 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:36] [INFO ] Deduced a trap composed of 42 places in 220 ms of which 23 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 20/45 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:36] [INFO ] Deduced a trap composed of 27 places in 102 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:38] [INFO ] Deduced a trap composed of 42 places in 170 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:38] [INFO ] Deduced a trap composed of 42 places in 188 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:38] [INFO ] Deduced a trap composed of 42 places in 201 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:39] [INFO ] Deduced a trap composed of 61 places in 161 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:40] [INFO ] Deduced a trap composed of 42 places in 203 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:42] [INFO ] Deduced a trap composed of 23 places in 80 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:43] [INFO ] Deduced a trap composed of 25 places in 196 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:43] [INFO ] Deduced a trap composed of 42 places in 225 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:43] [INFO ] Deduced a trap composed of 71 places in 226 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:44] [INFO ] Deduced a trap composed of 13 places in 111 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:44] [INFO ] Deduced a trap composed of 42 places in 219 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:45] [INFO ] Deduced a trap composed of 68 places in 211 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:45] [INFO ] Deduced a trap composed of 73 places in 216 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:46] [INFO ] Deduced a trap composed of 42 places in 212 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:47] [INFO ] Deduced a trap composed of 17 places in 219 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:47] [INFO ] Deduced a trap composed of 68 places in 211 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:48] [INFO ] Deduced a trap composed of 19 places in 209 ms of which 18 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 392/1048 variables, and 63 constraints, problems are : Problem set: 0 solved, 2096 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 0/392 constraints, ReadFeed: 0/284 constraints, PredecessorRefiner: 2096/2096 constraints, Known Traps: 38/38 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 38/63 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:50] [INFO ] Deduced a trap composed of 25 places in 88 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:51] [INFO ] Deduced a trap composed of 3 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:52] [INFO ] Deduced a trap composed of 42 places in 190 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:52] [INFO ] Deduced a trap composed of 61 places in 173 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:52] [INFO ] Deduced a trap composed of 58 places in 186 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:53] [INFO ] Deduced a trap composed of 15 places in 175 ms of which 15 ms to minimize.
Detected timeout of ITS tools.
[2025-05-31 02:23:56] [INFO ] Flatten gal took : 97 ms
[2025-05-31 02:23:56] [INFO ] Applying decomposition
[2025-05-31 02:23:56] [INFO ] Flatten gal took : 91 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph4332999061144213346.txt' '-o' '/tmp/graph4332999061144213346.bin' '-w' '/tmp/graph4332999061144213346.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4332999061144213346.bin' '-l' '-1' '-v' '-w' '/tmp/graph4332999061144213346.weights' '-q' '0' '-e' '0.001'
[2025-05-31 02:23:56] [INFO ] Decomposing Gal with order
[2025-05-31 02:23:56] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 02:23:57] [INFO ] Removed a total of 5577 redundant transitions.
[2025-05-31 02:23:57] [INFO ] Flatten gal took : 483 ms
[2025-05-31 02:23:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 354 labels/synchronizations in 143 ms.
[2025-05-31 02:23:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11142864961238950833.gal : 40 ms
[2025-05-31 02:23:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4415011960559205903.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11142864961238950833.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4415011960559205903.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality4415011960559205903.prop.
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :3 after 4
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :4 after 5
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :5 after 7
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :7 after 8
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :8 after 43
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :43 after 668
SDD proceeding with computation,7 properties remain. new max is 512
SDD size :668 after 4796
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:23:59] [INFO ] Deduced a trap composed of 3 places in 108 ms of which 4 ms to minimize.
SDD proceeding with computation,7 properties remain. new max is 1024
SDD size :4796 after 186056
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:06] [INFO ] Deduced a trap composed of 38 places in 98 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:06] [INFO ] Deduced a trap composed of 3 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:08] [INFO ] Deduced a trap composed of 31 places in 83 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:11] [INFO ] Deduced a trap composed of 17 places in 248 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:12] [INFO ] Deduced a trap composed of 19 places in 254 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:12] [INFO ] Deduced a trap composed of 21 places in 247 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:12] [INFO ] Deduced a trap composed of 25 places in 102 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:12] [INFO ] Deduced a trap composed of 27 places in 76 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:13] [INFO ] Deduced a trap composed of 29 places in 79 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:13] [INFO ] Deduced a trap composed of 31 places in 74 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:13] [INFO ] Deduced a trap composed of 33 places in 75 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:13] [INFO ] Deduced a trap composed of 46 places in 214 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:14] [INFO ] Deduced a trap composed of 52 places in 267 ms of which 33 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/392 variables, 20/83 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:16] [INFO ] Deduced a trap composed of 46 places in 141 ms of which 12 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 392/1048 variables, and 84 constraints, problems are : Problem set: 0 solved, 2096 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 0/392 constraints, ReadFeed: 0/284 constraints, PredecessorRefiner: 0/2096 constraints, Known Traps: 59/59 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60594ms problems are : Problem set: 0 solved, 2096 unsolved
Search for dead transitions found 0 dead transitions in 60598ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63684 ms. Remains : 392/392 places, 2104/2104 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1958 edges and 392 vertex of which 64 / 392 are part of one of the 8 SCC in 0 ms
Free SCC test removed 56 places
Drop transitions (Empty/Sink Transition effects.) removed 216 transitions
Ensure Unique test removed 1400 transitions
Reduce isomorphic transitions removed 1616 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 79 transitions
Trivial Post-agglo rules discarded 79 transitions
Performed 79 trivial Post agglomeration. Transition count delta: 79
Iterating post reduction 0 with 79 rules applied. Total rules applied 80 place count 336 transition count 409
Reduce places removed 79 places and 0 transitions.
Iterating post reduction 1 with 79 rules applied. Total rules applied 159 place count 257 transition count 409
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 159 place count 257 transition count 392
Deduced a syphon composed of 17 places in 0 ms
Ensure Unique test removed 8 places
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 201 place count 232 transition count 392
Performed 111 Post agglomeration using F-continuation condition.Transition count delta: 111
Deduced a syphon composed of 111 places in 0 ms
Reduce places removed 111 places and 0 transitions.
Iterating global reduction 2 with 222 rules applied. Total rules applied 423 place count 121 transition count 281
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 2 with 56 rules applied. Total rules applied 479 place count 121 transition count 225
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 495 place count 113 transition count 225
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 503 place count 113 transition count 217
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 4 with 8 rules applied. Total rules applied 511 place count 113 transition count 209
Free-agglomeration rule applied 56 times.
Iterating global reduction 4 with 56 rules applied. Total rules applied 567 place count 113 transition count 153
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 4 with 56 rules applied. Total rules applied 623 place count 57 transition count 153
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 5 with 8 rules applied. Total rules applied 631 place count 57 transition count 153
Applied a total of 631 rules in 24 ms. Remains 57 /392 variables (removed 335) and now considering 153/2104 (removed 1951) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 153 rows 57 cols
[2025-05-31 02:24:18] [INFO ] Computed 17 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:24:18] [INFO ] After 17ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:24:18] [INFO ] [Nat]Absence check using 17 positive place invariants in 2 ms returned sat
[2025-05-31 02:24:18] [INFO ] After 31ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 02:24:18] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-31 02:24:18] [INFO ] After 10ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 02:24:18] [INFO ] After 16ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 02:24:18] [INFO ] After 83ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 133 ms.
RANDOM walk for 40000 steps (8 resets) in 309 ms. (129 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 453933 steps, run timeout after 3001 ms. (steps per millisecond=151 ) properties seen :0 out of 1
Probabilistic random walk after 453933 steps, saw 241968 distinct states, run finished after 3002 ms. (steps per millisecond=151 ) properties seen :0
[2025-05-31 02:24:22] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
// Phase 1: matrix 656 rows 392 cols
[2025-05-31 02:24:22] [INFO ] Computed 25 invariants in 8 ms
[2025-05-31 02:24:22] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 327 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 1/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:22] [INFO ] Deduced a trap composed of 15 places in 87 ms of which 6 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 392/1048 variables, 266/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1048 variables, 247/703 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 0/703 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1048 variables, 0/703 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 703 constraints, problems are : Problem set: 0 solved, 1 unsolved in 636 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 983ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 65 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 53 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53 ms. Remains : 392/392 places, 2104/2104 transitions.
RANDOM walk for 40000 steps (8 resets) in 256 ms. (155 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
SDD proceeding with computation,7 properties remain. new max is 2048
SDD size :5.31542e+07 after 5.3173e+07
Interrupted probabilistic random walk after 503226 steps, run timeout after 3001 ms. (steps per millisecond=167 ) properties seen :0 out of 1
Probabilistic random walk after 503226 steps, saw 263420 distinct states, run finished after 3001 ms. (steps per millisecond=167 ) properties seen :0
[2025-05-31 02:24:26] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:24:26] [INFO ] Invariant cache hit.
[2025-05-31 02:24:26] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 375 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:26] [INFO ] Deduced a trap composed of 11 places in 51 ms of which 3 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/643 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 13/656 variables, 7/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:26] [INFO ] Deduced a trap composed of 15 places in 75 ms of which 6 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/656 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 392/1048 variables, 266/457 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 247/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1048 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/1048 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 704 constraints, problems are : Problem set: 0 solved, 1 unsolved in 697 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1080ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 47 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 50 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 392/392 places, 2104/2104 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 51 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
[2025-05-31 02:24:27] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:24:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:24:28] [INFO ] Implicit Places using invariants in 582 ms returned []
[2025-05-31 02:24:28] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:24:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:24:28] [INFO ] State equation strengthened by 284 read => feed constraints.
[2025-05-31 02:24:30] [INFO ] Implicit Places using invariants and state equation in 2438 ms returned []
Implicit Place search using SMT with State Equation took 3021 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:24:30] [INFO ] Redundant transitions in 46 ms returned []
Running 2096 sub problems to find dead transitions.
[2025-05-31 02:24:30] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:24:30] [INFO ] Invariant cache hit.
[2025-05-31 02:24:30] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,7 properties remain. new max is 4096
SDD size :5.3173e+07 after 5.39191e+07
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:45] [INFO ] Deduced a trap composed of 3 places in 154 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:45] [INFO ] Deduced a trap composed of 15 places in 145 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:45] [INFO ] Deduced a trap composed of 21 places in 105 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:45] [INFO ] Deduced a trap composed of 23 places in 84 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:45] [INFO ] Deduced a trap composed of 19 places in 109 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:46] [INFO ] Deduced a trap composed of 21 places in 81 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:46] [INFO ] Deduced a trap composed of 61 places in 156 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:46] [INFO ] Deduced a trap composed of 23 places in 161 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:46] [INFO ] Deduced a trap composed of 29 places in 70 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:47] [INFO ] Deduced a trap composed of 3 places in 55 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:47] [INFO ] Deduced a trap composed of 3 places in 50 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:48] [INFO ] Deduced a trap composed of 11 places in 268 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:48] [INFO ] Deduced a trap composed of 3 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:48] [INFO ] Deduced a trap composed of 66 places in 201 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:48] [INFO ] Deduced a trap composed of 3 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:48] [INFO ] Deduced a trap composed of 66 places in 214 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:48] [INFO ] Deduced a trap composed of 23 places in 102 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:48] [INFO ] Deduced a trap composed of 27 places in 71 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:49] [INFO ] Deduced a trap composed of 67 places in 234 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:49] [INFO ] Deduced a trap composed of 42 places in 224 ms of which 24 ms to minimize.
SDD proceeding with computation,7 properties remain. new max is 8192
SDD size :5.39191e+07 after 5.87105e+07
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 20/45 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:50] [INFO ] Deduced a trap composed of 27 places in 79 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:51] [INFO ] Deduced a trap composed of 42 places in 176 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:51] [INFO ] Deduced a trap composed of 42 places in 166 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:52] [INFO ] Deduced a trap composed of 42 places in 189 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:52] [INFO ] Deduced a trap composed of 61 places in 166 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:54] [INFO ] Deduced a trap composed of 42 places in 185 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:56] [INFO ] Deduced a trap composed of 23 places in 82 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:56] [INFO ] Deduced a trap composed of 25 places in 199 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:57] [INFO ] Deduced a trap composed of 42 places in 225 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:57] [INFO ] Deduced a trap composed of 71 places in 224 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:57] [INFO ] Deduced a trap composed of 13 places in 119 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:58] [INFO ] Deduced a trap composed of 42 places in 226 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:59] [INFO ] Deduced a trap composed of 68 places in 220 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:24:59] [INFO ] Deduced a trap composed of 73 places in 217 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:00] [INFO ] Deduced a trap composed of 42 places in 213 ms of which 14 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 392/1048 variables, and 60 constraints, problems are : Problem set: 0 solved, 2096 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 0/392 constraints, ReadFeed: 0/284 constraints, PredecessorRefiner: 2096/2096 constraints, Known Traps: 35/35 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 35/60 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:03] [INFO ] Deduced a trap composed of 25 places in 76 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:04] [INFO ] Deduced a trap composed of 3 places in 50 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:04] [INFO ] Deduced a trap composed of 42 places in 195 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:04] [INFO ] Deduced a trap composed of 61 places in 167 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:05] [INFO ] Deduced a trap composed of 58 places in 172 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:05] [INFO ] Deduced a trap composed of 42 places in 183 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:06] [INFO ] Deduced a trap composed of 15 places in 165 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:08] [INFO ] Deduced a trap composed of 17 places in 172 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:10] [INFO ] Deduced a trap composed of 19 places in 75 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:11] [INFO ] Deduced a trap composed of 3 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:17] [INFO ] Deduced a trap composed of 61 places in 216 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:18] [INFO ] Deduced a trap composed of 17 places in 211 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:18] [INFO ] Deduced a trap composed of 19 places in 223 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:20] [INFO ] Deduced a trap composed of 38 places in 85 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:20] [INFO ] Deduced a trap composed of 3 places in 53 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:20] [INFO ] Deduced a trap composed of 42 places in 265 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:21] [INFO ] Deduced a trap composed of 65 places in 239 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:21] [INFO ] Deduced a trap composed of 42 places in 253 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:21] [INFO ] Deduced a trap composed of 61 places in 239 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:22] [INFO ] Deduced a trap composed of 61 places in 228 ms of which 26 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/392 variables, 20/80 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:25] [INFO ] Deduced a trap composed of 58 places in 173 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:26] [INFO ] Deduced a trap composed of 42 places in 190 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:26] [INFO ] Deduced a trap composed of 61 places in 191 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:27] [INFO ] Deduced a trap composed of 46 places in 202 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:27] [INFO ] Deduced a trap composed of 46 places in 175 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:27] [INFO ] Deduced a trap composed of 42 places in 177 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:28] [INFO ] Deduced a trap composed of 46 places in 178 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:28] [INFO ] Deduced a trap composed of 61 places in 163 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:29] [INFO ] Deduced a trap composed of 58 places in 196 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:29] [INFO ] Deduced a trap composed of 61 places in 191 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:30] [INFO ] Deduced a trap composed of 49 places in 208 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:30] [INFO ] Deduced a trap composed of 46 places in 204 ms of which 17 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 392/1048 variables, and 92 constraints, problems are : Problem set: 0 solved, 2096 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 0/392 constraints, ReadFeed: 0/284 constraints, PredecessorRefiner: 0/2096 constraints, Known Traps: 67/67 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60692ms problems are : Problem set: 0 solved, 2096 unsolved
Search for dead transitions found 0 dead transitions in 60696ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63829 ms. Remains : 392/392 places, 2104/2104 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1958 edges and 392 vertex of which 64 / 392 are part of one of the 8 SCC in 0 ms
Free SCC test removed 56 places
Drop transitions (Empty/Sink Transition effects.) removed 216 transitions
Ensure Unique test removed 1400 transitions
Reduce isomorphic transitions removed 1616 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 79 transitions
Trivial Post-agglo rules discarded 79 transitions
Performed 79 trivial Post agglomeration. Transition count delta: 79
Iterating post reduction 0 with 79 rules applied. Total rules applied 80 place count 336 transition count 409
Reduce places removed 79 places and 0 transitions.
Iterating post reduction 1 with 79 rules applied. Total rules applied 159 place count 257 transition count 409
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 159 place count 257 transition count 392
Deduced a syphon composed of 17 places in 1 ms
Ensure Unique test removed 8 places
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 201 place count 232 transition count 392
Performed 111 Post agglomeration using F-continuation condition.Transition count delta: 111
Deduced a syphon composed of 111 places in 0 ms
Reduce places removed 111 places and 0 transitions.
Iterating global reduction 2 with 222 rules applied. Total rules applied 423 place count 121 transition count 281
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 2 with 56 rules applied. Total rules applied 479 place count 121 transition count 225
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 495 place count 113 transition count 225
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 503 place count 113 transition count 217
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 4 with 8 rules applied. Total rules applied 511 place count 113 transition count 209
Free-agglomeration rule applied 56 times.
Iterating global reduction 4 with 56 rules applied. Total rules applied 567 place count 113 transition count 153
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 4 with 56 rules applied. Total rules applied 623 place count 57 transition count 153
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 5 with 8 rules applied. Total rules applied 631 place count 57 transition count 153
Applied a total of 631 rules in 20 ms. Remains 57 /392 variables (removed 335) and now considering 153/2104 (removed 1951) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 153 rows 57 cols
[2025-05-31 02:25:31] [INFO ] Computed 17 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:25:31] [INFO ] After 24ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:25:31] [INFO ] [Nat]Absence check using 17 positive place invariants in 3 ms returned sat
[2025-05-31 02:25:31] [INFO ] After 32ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 02:25:31] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-31 02:25:31] [INFO ] After 5ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 02:25:31] [INFO ] After 11ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 02:25:31] [INFO ] After 77ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 130 ms.
RANDOM walk for 40000 steps (8 resets) in 238 ms. (167 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 503028 steps, run timeout after 3001 ms. (steps per millisecond=167 ) properties seen :0 out of 1
Probabilistic random walk after 503028 steps, saw 263348 distinct states, run finished after 3001 ms. (steps per millisecond=167 ) properties seen :0
[2025-05-31 02:25:34] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
// Phase 1: matrix 656 rows 392 cols
[2025-05-31 02:25:34] [INFO ] Computed 25 invariants in 6 ms
[2025-05-31 02:25:34] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 357 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:34] [INFO ] Deduced a trap composed of 3 places in 45 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/130 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 106/236 variables, 8/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/236 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 154/390 variables, 70/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 25/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/390 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 251/641 variables, 13/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/641 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/643 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:35] [INFO ] Deduced a trap composed of 47 places in 99 ms of which 7 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/643 variables, 1/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/643 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 13/656 variables, 7/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:35] [INFO ] Deduced a trap composed of 15 places in 75 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:35] [INFO ] Deduced a trap composed of 17 places in 135 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:35] [INFO ] Deduced a trap composed of 3 places in 105 ms of which 8 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/656 variables, 3/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/656 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 392/1048 variables, 266/460 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1048 variables, 247/707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1048 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1048 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 707 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1045 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1416ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 42 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 51 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 392/392 places, 2104/2104 transitions.
RANDOM walk for 40000 steps (8 resets) in 232 ms. (171 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 502524 steps, run timeout after 3001 ms. (steps per millisecond=167 ) properties seen :0 out of 1
Probabilistic random walk after 502524 steps, saw 263108 distinct states, run finished after 3001 ms. (steps per millisecond=167 ) properties seen :0
[2025-05-31 02:25:39] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:25:39] [INFO ] Invariant cache hit.
[2025-05-31 02:25:39] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 330 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:39] [INFO ] Deduced a trap composed of 47 places in 87 ms of which 4 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/643 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 13/656 variables, 7/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:39] [INFO ] Deduced a trap composed of 17 places in 94 ms of which 6 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/656 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 392/1048 variables, 266/457 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 247/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1048 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/1048 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 704 constraints, problems are : Problem set: 0 solved, 1 unsolved in 770 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1107ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 65 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 51 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 392/392 places, 2104/2104 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 51 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
[2025-05-31 02:25:40] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:25:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:25:40] [INFO ] Implicit Places using invariants in 541 ms returned []
[2025-05-31 02:25:40] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:25:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:25:41] [INFO ] State equation strengthened by 284 read => feed constraints.
[2025-05-31 02:25:43] [INFO ] Implicit Places using invariants and state equation in 2591 ms returned []
Implicit Place search using SMT with State Equation took 3134 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:25:43] [INFO ] Redundant transitions in 43 ms returned []
Running 2096 sub problems to find dead transitions.
[2025-05-31 02:25:43] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:25:43] [INFO ] Invariant cache hit.
[2025-05-31 02:25:43] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,7 properties remain. new max is 16384
SDD size :5.87105e+07 after 6.71779e+07
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:58] [INFO ] Deduced a trap composed of 3 places in 156 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:58] [INFO ] Deduced a trap composed of 15 places in 126 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:58] [INFO ] Deduced a trap composed of 21 places in 100 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:58] [INFO ] Deduced a trap composed of 23 places in 71 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:59] [INFO ] Deduced a trap composed of 19 places in 104 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:59] [INFO ] Deduced a trap composed of 21 places in 75 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:59] [INFO ] Deduced a trap composed of 61 places in 146 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:59] [INFO ] Deduced a trap composed of 23 places in 148 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:59] [INFO ] Deduced a trap composed of 29 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:00] [INFO ] Deduced a trap composed of 3 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:00] [INFO ] Deduced a trap composed of 3 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:01] [INFO ] Deduced a trap composed of 11 places in 178 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:01] [INFO ] Deduced a trap composed of 3 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:01] [INFO ] Deduced a trap composed of 66 places in 185 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:01] [INFO ] Deduced a trap composed of 3 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:01] [INFO ] Deduced a trap composed of 66 places in 203 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:01] [INFO ] Deduced a trap composed of 23 places in 98 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:01] [INFO ] Deduced a trap composed of 27 places in 68 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:02] [INFO ] Deduced a trap composed of 67 places in 225 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:02] [INFO ] Deduced a trap composed of 42 places in 212 ms of which 24 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 20/45 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:03] [INFO ] Deduced a trap composed of 27 places in 78 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:04] [INFO ] Deduced a trap composed of 42 places in 154 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:04] [INFO ] Deduced a trap composed of 42 places in 167 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:05] [INFO ] Deduced a trap composed of 42 places in 174 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:05] [INFO ] Deduced a trap composed of 61 places in 152 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:06] [INFO ] Deduced a trap composed of 42 places in 182 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:09] [INFO ] Deduced a trap composed of 23 places in 95 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:09] [INFO ] Deduced a trap composed of 25 places in 188 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:09] [INFO ] Deduced a trap composed of 42 places in 205 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:10] [INFO ] Deduced a trap composed of 71 places in 200 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:10] [INFO ] Deduced a trap composed of 13 places in 102 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:11] [INFO ] Deduced a trap composed of 42 places in 235 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:11] [INFO ] Deduced a trap composed of 68 places in 214 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:12] [INFO ] Deduced a trap composed of 73 places in 213 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:13] [INFO ] Deduced a trap composed of 42 places in 215 ms of which 14 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 392/1048 variables, and 60 constraints, problems are : Problem set: 0 solved, 2096 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 0/392 constraints, ReadFeed: 0/284 constraints, PredecessorRefiner: 2096/2096 constraints, Known Traps: 35/35 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 35/60 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:16] [INFO ] Deduced a trap composed of 25 places in 78 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:17] [INFO ] Deduced a trap composed of 3 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:17] [INFO ] Deduced a trap composed of 42 places in 186 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:17] [INFO ] Deduced a trap composed of 61 places in 169 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:18] [INFO ] Deduced a trap composed of 58 places in 173 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:18] [INFO ] Deduced a trap composed of 42 places in 183 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:19] [INFO ] Deduced a trap composed of 15 places in 158 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:21] [INFO ] Deduced a trap composed of 17 places in 165 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:23] [INFO ] Deduced a trap composed of 19 places in 75 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:25] [INFO ] Deduced a trap composed of 3 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:30] [INFO ] Deduced a trap composed of 61 places in 217 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:31] [INFO ] Deduced a trap composed of 17 places in 210 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:31] [INFO ] Deduced a trap composed of 19 places in 208 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:33] [INFO ] Deduced a trap composed of 38 places in 85 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:33] [INFO ] Deduced a trap composed of 3 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:33] [INFO ] Deduced a trap composed of 42 places in 247 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:34] [INFO ] Deduced a trap composed of 65 places in 237 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:34] [INFO ] Deduced a trap composed of 42 places in 249 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:34] [INFO ] Deduced a trap composed of 61 places in 240 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:35] [INFO ] Deduced a trap composed of 61 places in 246 ms of which 28 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/392 variables, 20/80 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:39] [INFO ] Deduced a trap composed of 58 places in 177 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:39] [INFO ] Deduced a trap composed of 42 places in 184 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:39] [INFO ] Deduced a trap composed of 61 places in 190 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:40] [INFO ] Deduced a trap composed of 46 places in 205 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:40] [INFO ] Deduced a trap composed of 46 places in 176 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:41] [INFO ] Deduced a trap composed of 42 places in 178 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:41] [INFO ] Deduced a trap composed of 46 places in 176 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:42] [INFO ] Deduced a trap composed of 61 places in 167 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:42] [INFO ] Deduced a trap composed of 58 places in 194 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:43] [INFO ] Deduced a trap composed of 61 places in 193 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:43] [INFO ] Deduced a trap composed of 49 places in 205 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:44] [INFO ] Deduced a trap composed of 46 places in 203 ms of which 17 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 392/1048 variables, and 92 constraints, problems are : Problem set: 0 solved, 2096 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 0/392 constraints, ReadFeed: 0/284 constraints, PredecessorRefiner: 0/2096 constraints, Known Traps: 67/67 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60675ms problems are : Problem set: 0 solved, 2096 unsolved
Search for dead transitions found 0 dead transitions in 60679ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63921 ms. Remains : 392/392 places, 2104/2104 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1958 edges and 392 vertex of which 64 / 392 are part of one of the 8 SCC in 0 ms
Free SCC test removed 56 places
Drop transitions (Empty/Sink Transition effects.) removed 216 transitions
Ensure Unique test removed 1400 transitions
Reduce isomorphic transitions removed 1616 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 79 transitions
Trivial Post-agglo rules discarded 79 transitions
Performed 79 trivial Post agglomeration. Transition count delta: 79
Iterating post reduction 0 with 79 rules applied. Total rules applied 80 place count 336 transition count 409
Reduce places removed 79 places and 0 transitions.
Iterating post reduction 1 with 79 rules applied. Total rules applied 159 place count 257 transition count 409
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 159 place count 257 transition count 392
Deduced a syphon composed of 17 places in 0 ms
Ensure Unique test removed 8 places
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 201 place count 232 transition count 392
Performed 111 Post agglomeration using F-continuation condition.Transition count delta: 111
Deduced a syphon composed of 111 places in 0 ms
Reduce places removed 111 places and 0 transitions.
Iterating global reduction 2 with 222 rules applied. Total rules applied 423 place count 121 transition count 281
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 2 with 56 rules applied. Total rules applied 479 place count 121 transition count 225
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 495 place count 113 transition count 225
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 503 place count 113 transition count 217
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 4 with 8 rules applied. Total rules applied 511 place count 113 transition count 209
Free-agglomeration rule applied 56 times.
Iterating global reduction 4 with 56 rules applied. Total rules applied 567 place count 113 transition count 153
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 4 with 56 rules applied. Total rules applied 623 place count 57 transition count 153
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 5 with 8 rules applied. Total rules applied 631 place count 57 transition count 153
Applied a total of 631 rules in 44 ms. Remains 57 /392 variables (removed 335) and now considering 153/2104 (removed 1951) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 153 rows 57 cols
[2025-05-31 02:26:44] [INFO ] Computed 17 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:26:44] [INFO ] After 45ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:26:44] [INFO ] [Nat]Absence check using 17 positive place invariants in 3 ms returned sat
[2025-05-31 02:26:44] [INFO ] After 66ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 02:26:44] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-31 02:26:44] [INFO ] After 5ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 02:26:44] [INFO ] After 11ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 02:26:44] [INFO ] After 109ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 222 ms.
RANDOM walk for 40000 steps (8 resets) in 302 ms. (132 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 469260 steps, run timeout after 3001 ms. (steps per millisecond=156 ) properties seen :0 out of 1
Probabilistic random walk after 469260 steps, saw 249046 distinct states, run finished after 3003 ms. (steps per millisecond=156 ) properties seen :0
[2025-05-31 02:26:47] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
// Phase 1: matrix 656 rows 392 cols
[2025-05-31 02:26:47] [INFO ] Computed 25 invariants in 7 ms
[2025-05-31 02:26:47] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 343 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 1/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:48] [INFO ] Deduced a trap composed of 15 places in 106 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:48] [INFO ] Deduced a trap composed of 3 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:48] [INFO ] Deduced a trap composed of 56 places in 210 ms of which 21 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 3/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 392/1048 variables, 266/458 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1048 variables, 247/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1048 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 705 constraints, problems are : Problem set: 0 solved, 1 unsolved in 971 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1333ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 66 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 52 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 392/392 places, 2104/2104 transitions.
RANDOM walk for 40000 steps (8 resets) in 263 ms. (151 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 504063 steps, run timeout after 3001 ms. (steps per millisecond=167 ) properties seen :0 out of 1
Probabilistic random walk after 504063 steps, saw 263462 distinct states, run finished after 3003 ms. (steps per millisecond=167 ) properties seen :0
[2025-05-31 02:26:52] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:26:52] [INFO ] Invariant cache hit.
[2025-05-31 02:26:52] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 329 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:52] [INFO ] Deduced a trap composed of 11 places in 58 ms of which 3 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/643 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 13/656 variables, 7/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 392/1048 variables, 266/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1048 variables, 247/703 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:26:52] [INFO ] Deduced a trap composed of 3 places in 47 ms of which 3 ms to minimize.
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 1/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1048 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/1048 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 704 constraints, problems are : Problem set: 0 solved, 1 unsolved in 665 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1030ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 32 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 54 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 392/392 places, 2104/2104 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 53 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
[2025-05-31 02:26:53] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:26:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:26:53] [INFO ] Implicit Places using invariants in 520 ms returned []
[2025-05-31 02:26:53] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:26:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:26:53] [INFO ] State equation strengthened by 284 read => feed constraints.
[2025-05-31 02:26:56] [INFO ] Implicit Places using invariants and state equation in 2352 ms returned []
Implicit Place search using SMT with State Equation took 2890 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:26:56] [INFO ] Redundant transitions in 42 ms returned []
Running 2096 sub problems to find dead transitions.
[2025-05-31 02:26:56] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:26:56] [INFO ] Invariant cache hit.
[2025-05-31 02:26:56] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,7 properties remain. new max is 32768
SDD size :6.71779e+07 after 6.90909e+07
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:10] [INFO ] Deduced a trap composed of 3 places in 184 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:11] [INFO ] Deduced a trap composed of 15 places in 139 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:11] [INFO ] Deduced a trap composed of 21 places in 125 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:11] [INFO ] Deduced a trap composed of 23 places in 84 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:11] [INFO ] Deduced a trap composed of 19 places in 115 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:11] [INFO ] Deduced a trap composed of 21 places in 84 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:11] [INFO ] Deduced a trap composed of 61 places in 194 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:11] [INFO ] Deduced a trap composed of 23 places in 160 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:12] [INFO ] Deduced a trap composed of 29 places in 69 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:12] [INFO ] Deduced a trap composed of 3 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:13] [INFO ] Deduced a trap composed of 3 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:13] [INFO ] Deduced a trap composed of 11 places in 198 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:13] [INFO ] Deduced a trap composed of 3 places in 50 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:13] [INFO ] Deduced a trap composed of 66 places in 190 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:13] [INFO ] Deduced a trap composed of 3 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:14] [INFO ] Deduced a trap composed of 66 places in 199 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:14] [INFO ] Deduced a trap composed of 23 places in 98 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:14] [INFO ] Deduced a trap composed of 27 places in 71 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:14] [INFO ] Deduced a trap composed of 67 places in 229 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:14] [INFO ] Deduced a trap composed of 42 places in 217 ms of which 24 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 20/45 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:15] [INFO ] Deduced a trap composed of 27 places in 75 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:16] [INFO ] Deduced a trap composed of 42 places in 166 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:17] [INFO ] Deduced a trap composed of 42 places in 164 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:17] [INFO ] Deduced a trap composed of 42 places in 176 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:17] [INFO ] Deduced a trap composed of 61 places in 155 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:19] [INFO ] Deduced a trap composed of 42 places in 172 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:21] [INFO ] Deduced a trap composed of 23 places in 78 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:22] [INFO ] Deduced a trap composed of 25 places in 175 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:22] [INFO ] Deduced a trap composed of 42 places in 206 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:22] [INFO ] Deduced a trap composed of 71 places in 213 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:22] [INFO ] Deduced a trap composed of 13 places in 101 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:23] [INFO ] Deduced a trap composed of 42 places in 212 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:24] [INFO ] Deduced a trap composed of 68 places in 211 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:24] [INFO ] Deduced a trap composed of 73 places in 202 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:25] [INFO ] Deduced a trap composed of 42 places in 195 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:26] [INFO ] Deduced a trap composed of 17 places in 214 ms of which 17 ms to minimize.
SMT process timed out in 30590ms, After SMT, problems are : Problem set: 0 solved, 2096 unsolved
Search for dead transitions found 0 dead transitions in 30594ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33590 ms. Remains : 392/392 places, 2104/2104 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1958 edges and 392 vertex of which 64 / 392 are part of one of the 8 SCC in 1 ms
Free SCC test removed 56 places
Drop transitions (Empty/Sink Transition effects.) removed 216 transitions
Ensure Unique test removed 1400 transitions
Reduce isomorphic transitions removed 1616 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 79 transitions
Trivial Post-agglo rules discarded 79 transitions
Performed 79 trivial Post agglomeration. Transition count delta: 79
Iterating post reduction 0 with 79 rules applied. Total rules applied 80 place count 336 transition count 409
Reduce places removed 79 places and 0 transitions.
Iterating post reduction 1 with 79 rules applied. Total rules applied 159 place count 257 transition count 409
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 159 place count 257 transition count 392
Deduced a syphon composed of 17 places in 0 ms
Ensure Unique test removed 8 places
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 201 place count 232 transition count 392
Performed 111 Post agglomeration using F-continuation condition.Transition count delta: 111
Deduced a syphon composed of 111 places in 0 ms
Reduce places removed 111 places and 0 transitions.
Iterating global reduction 2 with 222 rules applied. Total rules applied 423 place count 121 transition count 281
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 2 with 56 rules applied. Total rules applied 479 place count 121 transition count 225
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 495 place count 113 transition count 225
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 503 place count 113 transition count 217
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 4 with 8 rules applied. Total rules applied 511 place count 113 transition count 209
Free-agglomeration rule applied 56 times.
Iterating global reduction 4 with 56 rules applied. Total rules applied 567 place count 113 transition count 153
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 4 with 56 rules applied. Total rules applied 623 place count 57 transition count 153
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 5 with 8 rules applied. Total rules applied 631 place count 57 transition count 153
Applied a total of 631 rules in 23 ms. Remains 57 /392 variables (removed 335) and now considering 153/2104 (removed 1951) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 153 rows 57 cols
[2025-05-31 02:27:26] [INFO ] Computed 17 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:27:26] [INFO ] After 25ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:27:26] [INFO ] [Nat]Absence check using 17 positive place invariants in 2 ms returned sat
[2025-05-31 02:27:26] [INFO ] After 31ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 02:27:26] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-31 02:27:26] [INFO ] After 4ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 02:27:26] [INFO ] After 11ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 02:27:26] [INFO ] After 73ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 131 ms.
RANDOM walk for 40000 steps (8 resets) in 195 ms. (204 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 476379 steps, run timeout after 3001 ms. (steps per millisecond=158 ) properties seen :0 out of 1
Probabilistic random walk after 476379 steps, saw 251265 distinct states, run finished after 3003 ms. (steps per millisecond=158 ) properties seen :0
[2025-05-31 02:27:30] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
// Phase 1: matrix 656 rows 392 cols
[2025-05-31 02:27:30] [INFO ] Computed 25 invariants in 6 ms
[2025-05-31 02:27:30] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 559 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:30] [INFO ] Deduced a trap composed of 11 places in 56 ms of which 2 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/643 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 13/656 variables, 7/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:30] [INFO ] Deduced a trap composed of 23 places in 77 ms of which 4 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/656 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 392/1048 variables, 266/457 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 247/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1048 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/1048 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 704 constraints, problems are : Problem set: 0 solved, 1 unsolved in 720 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1301ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 53 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 63 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66 ms. Remains : 392/392 places, 2104/2104 transitions.
RANDOM walk for 40000 steps (8 resets) in 254 ms. (156 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 496827 steps, run timeout after 3001 ms. (steps per millisecond=165 ) properties seen :0 out of 1
Probabilistic random walk after 496827 steps, saw 260269 distinct states, run finished after 3002 ms. (steps per millisecond=165 ) properties seen :0
[2025-05-31 02:27:34] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:27:34] [INFO ] Invariant cache hit.
[2025-05-31 02:27:34] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 309 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:35] [INFO ] Deduced a trap composed of 60 places in 254 ms of which 22 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/643 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 13/656 variables, 7/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 392/1048 variables, 266/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1048 variables, 247/703 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:35] [INFO ] Deduced a trap composed of 3 places in 86 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:35] [INFO ] Deduced a trap composed of 3 places in 107 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:35] [INFO ] Deduced a trap composed of 31 places in 88 ms of which 4 ms to minimize.
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 3/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1048 variables, 0/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/1048 variables, 0/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 706 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1134 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1461ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 62 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 52 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 392/392 places, 2104/2104 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 51 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
[2025-05-31 02:27:36] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:27:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:27:36] [INFO ] Implicit Places using invariants in 533 ms returned []
[2025-05-31 02:27:36] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:27:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:27:36] [INFO ] State equation strengthened by 284 read => feed constraints.
[2025-05-31 02:27:39] [INFO ] Implicit Places using invariants and state equation in 2347 ms returned []
Implicit Place search using SMT with State Equation took 2883 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:27:39] [INFO ] Redundant transitions in 45 ms returned []
Running 2096 sub problems to find dead transitions.
[2025-05-31 02:27:39] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2025-05-31 02:27:39] [INFO ] Invariant cache hit.
[2025-05-31 02:27:39] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:53] [INFO ] Deduced a trap composed of 3 places in 156 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:53] [INFO ] Deduced a trap composed of 15 places in 142 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:54] [INFO ] Deduced a trap composed of 21 places in 124 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:54] [INFO ] Deduced a trap composed of 23 places in 80 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:54] [INFO ] Deduced a trap composed of 19 places in 107 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:54] [INFO ] Deduced a trap composed of 21 places in 79 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:54] [INFO ] Deduced a trap composed of 61 places in 153 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:54] [INFO ] Deduced a trap composed of 23 places in 151 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:55] [INFO ] Deduced a trap composed of 29 places in 68 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:55] [INFO ] Deduced a trap composed of 3 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:56] [INFO ] Deduced a trap composed of 3 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:56] [INFO ] Deduced a trap composed of 11 places in 185 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:56] [INFO ] Deduced a trap composed of 3 places in 55 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:56] [INFO ] Deduced a trap composed of 66 places in 196 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:56] [INFO ] Deduced a trap composed of 3 places in 52 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:57] [INFO ] Deduced a trap composed of 66 places in 210 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:57] [INFO ] Deduced a trap composed of 23 places in 100 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:57] [INFO ] Deduced a trap composed of 27 places in 69 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:57] [INFO ] Deduced a trap composed of 67 places in 230 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:57] [INFO ] Deduced a trap composed of 42 places in 219 ms of which 23 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 20/45 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:58] [INFO ] Deduced a trap composed of 27 places in 79 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:27:59] [INFO ] Deduced a trap composed of 42 places in 168 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:28:00] [INFO ] Deduced a trap composed of 42 places in 162 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:28:00] [INFO ] Deduced a trap composed of 42 places in 184 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:28:00] [INFO ] Deduced a trap composed of 61 places in 181 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:28:02] [INFO ] Deduced a trap composed of 42 places in 190 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:28:04] [INFO ] Deduced a trap composed of 23 places in 77 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:28:04] [INFO ] Deduced a trap composed of 25 places in 184 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:28:05] [INFO ] Deduced a trap composed of 42 places in 214 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:28:05] [INFO ] Deduced a trap composed of 71 places in 222 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:28:05] [INFO ] Deduced a trap composed of 13 places in 107 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:28:06] [INFO ] Deduced a trap composed of 42 places in 208 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:28:06] [INFO ] Deduced a trap composed of 68 places in 199 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:28:07] [INFO ] Deduced a trap composed of 73 places in 204 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:28:08] [INFO ] Deduced a trap composed of 42 places in 206 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:28:09] [INFO ] Deduced a trap composed of 17 places in 210 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:28:09] [INFO ] Deduced a trap composed of 68 places in 207 ms of which 21 ms to minimize.
SMT process timed out in 30708ms, After SMT, problems are : Problem set: 0 solved, 2096 unsolved
Search for dead transitions found 0 dead transitions in 30713ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33707 ms. Remains : 392/392 places, 2104/2104 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1958 edges and 392 vertex of which 64 / 392 are part of one of the 8 SCC in 1 ms
Free SCC test removed 56 places
Drop transitions (Empty/Sink Transition effects.) removed 216 transitions
Ensure Unique test removed 1400 transitions
Reduce isomorphic transitions removed 1616 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 79 transitions
Trivial Post-agglo rules discarded 79 transitions
Performed 79 trivial Post agglomeration. Transition count delta: 79
Iterating post reduction 0 with 79 rules applied. Total rules applied 80 place count 336 transition count 409
Reduce places removed 79 places and 0 transitions.
Iterating post reduction 1 with 79 rules applied. Total rules applied 159 place count 257 transition count 409
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 159 place count 257 transition count 392
Deduced a syphon composed of 17 places in 0 ms
Ensure Unique test removed 8 places
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 201 place count 232 transition count 392
Performed 111 Post agglomeration using F-continuation condition.Transition count delta: 111
Deduced a syphon composed of 111 places in 0 ms
Reduce places removed 111 places and 0 transitions.
Iterating global reduction 2 with 222 rules applied. Total rules applied 423 place count 121 transition count 281
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 2 with 56 rules applied. Total rules applied 479 place count 121 transition count 225
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 495 place count 113 transition count 225
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 503 place count 113 transition count 217
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 4 with 8 rules applied. Total rules applied 511 place count 113 transition count 209
Free-agglomeration rule applied 56 times.
Iterating global reduction 4 with 56 rules applied. Total rules applied 567 place count 113 transition count 153
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 4 with 56 rules applied. Total rules applied 623 place count 57 transition count 153
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 5 with 8 rules applied. Total rules applied 631 place count 57 transition count 153
Applied a total of 631 rules in 21 ms. Remains 57 /392 variables (removed 335) and now considering 153/2104 (removed 1951) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 153 rows 57 cols
[2025-05-31 02:28:09] [INFO ] Computed 17 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:28:09] [INFO ] After 24ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:28:09] [INFO ] [Nat]Absence check using 17 positive place invariants in 3 ms returned sat
[2025-05-31 02:28:09] [INFO ] After 32ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 02:28:09] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-31 02:28:09] [INFO ] After 5ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 02:28:09] [INFO ] After 11ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 02:28:09] [INFO ] After 73ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 123 ms.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1946 edges and 392 vertex of which 64 / 392 are part of one of the 8 SCC in 0 ms
Free SCC test removed 56 places
Drop transitions (Empty/Sink Transition effects.) removed 216 transitions
Ensure Unique test removed 1400 transitions
Reduce isomorphic transitions removed 1616 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 79 transitions
Trivial Post-agglo rules discarded 79 transitions
Performed 79 trivial Post agglomeration. Transition count delta: 79
Iterating post reduction 0 with 79 rules applied. Total rules applied 80 place count 336 transition count 409
Reduce places removed 79 places and 0 transitions.
Iterating post reduction 1 with 79 rules applied. Total rules applied 159 place count 257 transition count 409
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 159 place count 257 transition count 392
Deduced a syphon composed of 17 places in 0 ms
Ensure Unique test removed 8 places
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 201 place count 232 transition count 392
Performed 105 Post agglomeration using F-continuation condition.Transition count delta: 105
Deduced a syphon composed of 105 places in 0 ms
Reduce places removed 105 places and 0 transitions.
Iterating global reduction 2 with 210 rules applied. Total rules applied 411 place count 127 transition count 287
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 2 with 56 rules applied. Total rules applied 467 place count 127 transition count 231
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 483 place count 119 transition count 231
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 491 place count 119 transition count 223
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 4 with 8 rules applied. Total rules applied 499 place count 119 transition count 215
Free-agglomeration rule applied 56 times.
Iterating global reduction 4 with 56 rules applied. Total rules applied 555 place count 119 transition count 159
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 4 with 56 rules applied. Total rules applied 611 place count 63 transition count 159
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 5 with 8 rules applied. Total rules applied 619 place count 63 transition count 159
Applied a total of 619 rules in 28 ms. Remains 63 /392 variables (removed 329) and now considering 159/2104 (removed 1945) transitions.
Running SMT prover for 7 properties.
// Phase 1: matrix 159 rows 63 cols
[2025-05-31 02:28:09] [INFO ] Computed 17 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:28:10] [INFO ] After 36ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:28:10] [INFO ] [Nat]Absence check using 17 positive place invariants in 3 ms returned sat
[2025-05-31 02:28:10] [INFO ] After 56ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :7
[2025-05-31 02:28:10] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-31 02:28:10] [INFO ] After 30ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :7
TRAPS : Iteration 0
[2025-05-31 02:28:10] [INFO ] After 78ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :7
[2025-05-31 02:28:10] [INFO ] After 204ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :7
[2025-05-31 02:28:10] [INFO ] Flatten gal took : 8 ms
[2025-05-31 02:28:10] [INFO ] Flatten gal took : 5 ms
[2025-05-31 02:28:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14983969346236385942.gal : 2 ms
[2025-05-31 02:28:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17113787464304185953.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14983969346236385942.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17113787464304185953.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality17113787464304185953.prop.
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 12
Invariant property smplace_639 does not hold.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :12 after 30
Invariant property smplace_649 does not hold.
Invariant property smplace_648 does not hold.
Invariant property smplace_640 does not hold.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :30 after 150
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :150 after 432
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :432 after 459
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :459 after 594
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :594 after 740
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :740 after 1512
Invariant property smplace_667 does not hold.
Invariant property smplace_658 does not hold.
Invariant property smplace_657 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 129 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1.60877e+06,0.034978,5708,2,262,20,2942,6,0,414,1737,0
Total reachable state count : 1608768

Verifying 7 reachability properties.
Invariant property smplace_639 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_639,6,0.035424,5708,2,73,20,2942,7,0,417,1737,0
Invariant property smplace_640 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_640,4,0.035641,5708,2,66,20,2942,8,0,419,1737,0
Invariant property smplace_648 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_648,18,0.035793,5708,2,91,20,2942,9,0,421,1737,0
Invariant property smplace_649 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_649,18,0.035941,5708,2,91,20,2942,10,0,423,1737,0
Invariant property smplace_657 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_657,756,0.036091,5708,2,147,20,2942,11,0,425,1737,0
Invariant property smplace_658 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_658,756,0.036246,5708,2,147,20,2942,12,0,427,1737,0
Invariant property smplace_667 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_667,12348,0.0364,5708,2,174,20,2942,13,0,429,1737,0
Over-approximation ignoring read arcs solved 0 properties in 340 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-05-31 02:28:10] [INFO ] Flatten gal took : 58 ms
[2025-05-31 02:28:10] [INFO ] Flatten gal took : 56 ms
[2025-05-31 02:28:10] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability10527887285094176899.gal : 12 ms
[2025-05-31 02:28:10] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability5447706024828203034.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability10527887285094176899.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability5447706024828203034.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityFireability5447706024828203034.prop.
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :8 after 22
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :22 after 28
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :28 after 52
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :52 after 85
SDD proceeding with computation,7 properties remain. new max is 512
SDD size :85 after 272
SDD proceeding with computation,7 properties remain. new max is 1024
SDD size :272 after 520
SDD proceeding with computation,7 properties remain. new max is 2048
SDD size :520 after 1213
Detected timeout of ITS tools.
[2025-05-31 02:28:13] [INFO ] Flatten gal took : 51 ms
[2025-05-31 02:28:13] [INFO ] Applying decomposition
[2025-05-31 02:28:13] [INFO ] Flatten gal took : 50 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph15380961054477689388.txt' '-o' '/tmp/graph15380961054477689388.bin' '-w' '/tmp/graph15380961054477689388.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15380961054477689388.bin' '-l' '-1' '-v' '-w' '/tmp/graph15380961054477689388.weights' '-q' '0' '-e' '0.001'
[2025-05-31 02:28:13] [INFO ] Decomposing Gal with order
[2025-05-31 02:28:13] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 02:28:14] [INFO ] Removed a total of 4200 redundant transitions.
[2025-05-31 02:28:14] [INFO ] Flatten gal took : 166 ms
[2025-05-31 02:28:14] [INFO ] Fuse similar labels procedure discarded/fused a total of 437 labels/synchronizations in 55 ms.
[2025-05-31 02:28:14] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability15284645527209086135.gal : 11 ms
[2025-05-31 02:28:14] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability14436533754953601294.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability15284645527209086135.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability14436533754953601294.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityFireability14436533754953601294.prop.
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 524
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :524 after 603
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :603 after 611
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :611 after 939
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :939 after 38796
Detected timeout of ITS tools.
[2025-05-31 02:28:17] [INFO ] Flatten gal took : 51 ms
[2025-05-31 02:28:17] [INFO ] Flatten gal took : 48 ms
[2025-05-31 02:28:17] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability13945214329027725010.gal : 8 ms
[2025-05-31 02:28:17] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability4574526422269653220.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability13945214329027725010.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability4574526422269653220.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityFireability4574526422269653220.prop.
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :8 after 22
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :22 after 28
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :28 after 52
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :52 after 85
SDD proceeding with computation,7 properties remain. new max is 512
SDD size :85 after 272
SDD proceeding with computation,7 properties remain. new max is 1024
SDD size :272 after 520
SDD proceeding with computation,7 properties remain. new max is 2048
SDD size :520 after 1213
SDD proceeding with computation,7 properties remain. new max is 4096
SDD size :1213 after 4254
SDD proceeding with computation,7 properties remain. new max is 8192
SDD size :4254 after 12338
SDD proceeding with computation,7 properties remain. new max is 16384
SDD size :12338 after 44037
Detected timeout of ITS tools.
[2025-05-31 02:28:47] [INFO ] Flatten gal took : 49 ms
[2025-05-31 02:28:47] [INFO ] Applying decomposition
[2025-05-31 02:28:47] [INFO ] Flatten gal took : 52 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph2626434279585761246.txt' '-o' '/tmp/graph2626434279585761246.bin' '-w' '/tmp/graph2626434279585761246.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2626434279585761246.bin' '-l' '-1' '-v' '-w' '/tmp/graph2626434279585761246.weights' '-q' '0' '-e' '0.001'
[2025-05-31 02:28:47] [INFO ] Decomposing Gal with order
[2025-05-31 02:28:47] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 02:28:47] [INFO ] Removed a total of 4384 redundant transitions.
[2025-05-31 02:28:47] [INFO ] Flatten gal took : 127 ms
[2025-05-31 02:28:47] [INFO ] Fuse similar labels procedure discarded/fused a total of 516 labels/synchronizations in 32 ms.
[2025-05-31 02:28:47] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability4848372295716449116.gal : 10 ms
[2025-05-31 02:28:47] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability16127251954214443318.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability4848372295716449116.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability16127251954214443318.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityFireability16127251954214443318.prop.
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 421
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :421 after 896
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :896 after 1810
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :1810 after 196012
Detected timeout of ITS tools.
[2025-05-31 02:29:17] [INFO ] Flatten gal took : 47 ms
[2025-05-31 02:29:17] [INFO ] Flatten gal took : 48 ms
[2025-05-31 02:29:18] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability7942667938190619807.gal : 7 ms
[2025-05-31 02:29:18] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability3692733206508105376.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability7942667938190619807.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability3692733206508105376.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityFireability3692733206508105376.prop.
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :8 after 22
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :22 after 28
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :28 after 52
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :52 after 85
SDD proceeding with computation,7 properties remain. new max is 512
SDD size :85 after 272
SDD proceeding with computation,7 properties remain. new max is 1024
SDD size :272 after 520
SDD proceeding with computation,7 properties remain. new max is 2048
SDD size :520 after 1213
SDD proceeding with computation,7 properties remain. new max is 4096
SDD size :1213 after 4254
SDD proceeding with computation,7 properties remain. new max is 8192
SDD size :4254 after 12338
SDD proceeding with computation,7 properties remain. new max is 16384
SDD size :12338 after 44037
SDD proceeding with computation,7 properties remain. new max is 32768
SDD size :44037 after 79427
SDD proceeding with computation,7 properties remain. new max is 65536
SDD size :79427 after 126922
SDD proceeding with computation,7 properties remain. new max is 131072
SDD size :126922 after 472546
SDD proceeding with computation,7 properties remain. new max is 262144
SDD size :472546 after 967371
Detected timeout of ITS tools.
[2025-05-31 02:34:18] [INFO ] Flatten gal took : 48 ms
[2025-05-31 02:34:18] [INFO ] Applying decomposition
[2025-05-31 02:34:18] [INFO ] Flatten gal took : 50 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph518714986766751854.txt' '-o' '/tmp/graph518714986766751854.bin' '-w' '/tmp/graph518714986766751854.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph518714986766751854.bin' '-l' '-1' '-v' '-w' '/tmp/graph518714986766751854.weights' '-q' '0' '-e' '0.001'
[2025-05-31 02:34:18] [INFO ] Decomposing Gal with order
[2025-05-31 02:34:18] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 02:34:18] [INFO ] Removed a total of 4359 redundant transitions.
[2025-05-31 02:34:18] [INFO ] Flatten gal took : 136 ms
[2025-05-31 02:34:18] [INFO ] Fuse similar labels procedure discarded/fused a total of 622 labels/synchronizations in 38 ms.
[2025-05-31 02:34:18] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability15513908408464096827.gal : 9 ms
[2025-05-31 02:34:18] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability17710968113182817815.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability15513908408464096827.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability17710968113182817815.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityFireability17710968113182817815.prop.
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 12275
Invariant property smplace_667 does not hold.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :12275 after 91700
Invariant property smplace_658 does not hold.
Invariant property smplace_657 does not hold.
Invariant property smplace_649 does not hold.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :91700 after 371919
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :371919 after 8.29538e+06
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :8.29538e+06 after 8.45014e+06
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :8.45014e+06 after 3.17916e+07
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :3.17916e+07 after 5.18607e+07
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :5.18607e+07 after 5.46409e+07
Detected timeout of ITS tools.
[2025-05-31 02:39:18] [INFO ] Flatten gal took : 47 ms
[2025-05-31 02:39:18] [INFO ] Flatten gal took : 49 ms
[2025-05-31 02:39:18] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability9574850297404510076.gal : 7 ms
[2025-05-31 02:39:18] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability13937823364666997263.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability9574850297404510076.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability13937823364666997263.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityFireability13937823364666997263.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :8 after 22
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :22 after 28
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :28 after 52
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :52 after 85
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :85 after 272
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :272 after 520
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :520 after 1213
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :1213 after 4254
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :4254 after 12338
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :12338 after 44037
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :44037 after 79427
SDD proceeding with computation,3 properties remain. new max is 65536
SDD size :79427 after 126922
SDD proceeding with computation,3 properties remain. new max is 131072
SDD size :126922 after 472546
SDD proceeding with computation,3 properties remain. new max is 262144
SDD size :472546 after 967371

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="EisenbergMcGuire-PT-08"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 EisenbergMcGuire-PT-08, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r077-tall-174860075000498"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/EisenbergMcGuire-PT-08.tgz
mv EisenbergMcGuire-PT-08 execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;