Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r016-oct2-177944372600124.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...........................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is Anderson-PT-10, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-oct2-177944372600124
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.6M
-rw-r--r-- 1 mcc users 7.3K Mar 4 18:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 4 18:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Mar 4 18:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 4 18:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 07:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Mar 15 07:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.2K Mar 4 18:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 50K Mar 4 18:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 4 18:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K Mar 4 18:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:03 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.3M Mar 3 18:30 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 Liveness

=== Now, execution of the tool begins

BK_START 1779686820111

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Anderson-PT-10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2026-05-25 05:27:01] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-25 05:27:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 05:27:02] [INFO ] Load time of PNML (sax parser for PT used): 189 ms
[2026-05-25 05:27:02] [INFO ] Transformed 621 places.
[2026-05-25 05:27:02] [INFO ] Transformed 2480 transitions.
[2026-05-25 05:27:02] [INFO ] Found NUPN structural information;
[2026-05-25 05:27:02] [INFO ] Parsed PT model containing 621 places and 2480 transitions and 9560 arcs in 311 ms.
Built sparse matrix representations for Structural reductions in 13 ms.33680KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 621/621 places, 2480/2480 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 129 ms. Remains 621 /621 variables (removed 0) and now considering 2480/2480 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 145 ms. Remains : 621/621 places, 2480/2480 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 621/621 places, 2480/2480 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 96 ms. Remains 621 /621 variables (removed 0) and now considering 2480/2480 (removed 0) transitions.
// Phase 1: matrix 2480 rows 621 cols
[2026-05-25 05:27:02] [INFO ] Computed 23 invariants in 93 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:27:03] [INFO ] Implicit Places using invariants in 546 ms returned []
[2026-05-25 05:27:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:27:05] [INFO ] State equation strengthened by 90 read => feed constraints.
[2026-05-25 05:27:05] [INFO ] Implicit Places using invariants and state equation in 1829 ms returned []
Implicit Place search using SMT with State Equation took 2410 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 05:27:05] [INFO ] Redundant transitions in 127 ms returned []
Running 2470 sub problems to find dead transitions.
[2026-05-25 05:27:05] [INFO ] Invariant cache hit.
[2026-05-25 05:27:05] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s1 1.0)
(s2 1.0)
(s3 1.0)
(s4 1.0)
(s5 1.0)
(s6 1.0)
(s7 1.0)
(s8 1.0)
(s9 1.0)
(s10 1.0)
(s11 1.0)
(s12 1.0)
(s13 1.0)
(s14 1.0)
(s15 1.0)
(s16 1.0)
(s17 1.0)
(s18 1.0)
(s19 1.0)
(s20 1.0)
(s21 1.0)
(s22 1.0)
(s23 1.0)
(s24 1.0)
(s25 1.0)
(s26 1.0)
(s27 1.0)
(s28 1.0)
(s29 1.0)
(s30 1.0)
(s31 1.0)
(s32 1.0)
(s33 1.0)
(s34 1.0)
(s35 1.0)
(s36 1.0)
(s37 1.0)
(s38 1.0)
(s39 1.0)
(s40 1.0)
(s41 1.0)
(s42 1.0)
(s43 1.0)
(s44 1.0)
(s45 1.0)
(s46 1.0)
(s47 1.0)
(s48 1.0)
(s49 1.0)
(s50 1.0)
(s51 1.0)
(s52 1.0)
(s53 1.0)
(s54 1.0)
(s55 1.0)
(s56 1.0)
(s57 1.0)
(s58 1.0)
(s59 1.0)
(s60 1.0)
(s61 1.0)
(s62 1.0)
(s63 1.0)
(s64 1.0)
(s65 1.0)
(s66 1.0)
(s67 1.0)
(s68 1.0)
(s69 1.0)
(s70 1.0)
(s71 1.0)
(s72 1.0)
(s73 1.0)
(s74 1.0)
(s75 1.0)
(s76 timeout
1.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/621 variables, 621/621 constraints. Problems are: Problem set: 0 solved, 2470 unsolved
SMT process timed out in 34184ms, After SMT, problems are : Problem set: 0 solved, 2470 unsolved
Search for dead transitions found 0 dead transitions in 34215ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 36875 ms. Remains : 621/621 places, 2480/2480 transitions.
Random walk for 1250000 steps, including 0 resets, run took 4526 ms (no deadlock found). (steps per millisecond=276 )
Random directed walk for 1250001 steps, including 0 resets, run took 4734 ms (no deadlock found). (steps per millisecond=264 )
[2026-05-25 05:27:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2026-05-25 05:27:49] [INFO ] [Real]Absence check using 11 positive place invariants in 462 ms returned sat
[2026-05-25 05:28:03] [INFO ] [Real]Absence check using 11 positive and 12 generalized place invariants in 13147 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 621/621 places, 2480/2480 transitions.
Performed 90 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 90 Pre rules applied. Total rules applied 0 place count 621 transition count 2390
Deduced a syphon composed of 90 places in 3 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 0 with 180 rules applied. Total rules applied 180 place count 531 transition count 2390
Applied a total of 180 rules in 82 ms. Remains 531 /621 variables (removed 90) and now considering 2390/2480 (removed 90) transitions.
// Phase 1: matrix 2390 rows 531 cols
[2026-05-25 05:28:03] [INFO ] Computed 23 invariants in 41 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:28:18] [INFO ] Implicit Places using invariants in 15464 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 15496 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 530/621 places, 2390/2480 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 100 transitions
Trivial Post-agglo rules discarded 100 transitions
Performed 100 trivial Post agglomeration. Transition count delta: 100
Iterating post reduction 0 with 100 rules applied. Total rules applied 100 place count 530 transition count 2290
Reduce places removed 100 places and 0 transitions.
Iterating post reduction 1 with 100 rules applied. Total rules applied 200 place count 430 transition count 2290
Applied a total of 200 rules in 29 ms. Remains 430 /530 variables (removed 100) and now considering 2290/2390 (removed 100) transitions.
// Phase 1: matrix 2290 rows 430 cols
[2026-05-25 05:28:18] [INFO ] Computed 22 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:28:28] [INFO ] Implicit Places using invariants in 9365 ms returned []
[2026-05-25 05:28:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:28:28] [INFO ] State equation strengthened by 170 read => feed constraints.
[2026-05-25 05:28:38] [INFO ] Implicit Places using invariants and state equation in 10248 ms returned []
Implicit Place search using SMT with State Equation took 19621 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 430/621 places, 2290/2480 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 35230 ms. Remains : 430/621 places, 2290/2480 transitions.
Initial state reduction rules removed 10 formulas.
[2026-05-25 05:28:39] [INFO ] Flatten gal took : 442 ms
[2026-05-25 05:28:39] [INFO ] Flatten gal took : 281 ms
[2026-05-25 05:28:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9906512684934809139.gal : 107 ms
[2026-05-25 05:28:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8549278731522750497.prop : 32 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/ReachabilityCardinality9906512684934809139.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8549278731522750497.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/ReachabilityCardinality8549278731522750497.prop.
Reachability property qltransition_2110 is true.
Reachability property qltransition_2010 is true.
Reachability property qltransition_1711 is true.
Reachability property qltransition_1521 is true.
Reachability property qltransition_1331 is true.
Reachability property qltransition_1141 is true.
RANDOM walk for 40000 steps (8 resets) in 9197 ms. (4 steps per ms) remains 1222/2280 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 1222/1222 properties
Reachability property qltransition_951 is true.
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 1222/1222 properties
Reachability property qltransition_761 is true.
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 1222/1222 properties
Reachability property qltransition_571 is true.
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 1222/1222 properties
Reachability property qltransition_381 is true.
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 1222/1222 properties
Reachability property qltransition_191 is true.
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 1222/1222 properties
SDD proceeding with computation,2269 properties remain. new max is 2
SDD size :1 after 3
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 4 ms. (24 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 1222/1222 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 1222/1222 properties
[2026-05-25 05:28:41] [INFO ] Invariant cache hit.
Reachability property qltransition_2112 is true.
Reachability property qltransition_2011 is true.
[2026-05-25 05:28:41] [INFO ] State equation strengthened by 170 read => feed constraints.
Reachability property qltransition_1712 is true.
Reachability property qltransition_1522 is true.
Reachability property qltransition_1332 is true.
Reachability property qltransition_1142 is true.
Reachability property qltransition_952 is true.
Reachability property qltransition_762 is true.
Reachability property qltransition_572 is true.
Reachability property qltransition_382 is true.
Reachability property qltransition_192 is true.
Reachability property qltransition_1 is true.
SDD proceeding with computation,2257 properties remain. new max is 2
SDD size :3 after 6
Reachability property qltransition_2114 is true.
Reachability property qltransition_2012 is true.
Reachability property qltransition_1713 is true.
Reachability property qltransition_1523 is true.
Reachability property qltransition_1333 is true.
Reachability property qltransition_1143 is true.
Reachability property qltransition_953 is true.
Reachability property qltransition_763 is true.
Reachability property qltransition_573 is true.
Reachability property qltransition_383 is true.
Reachability property qltransition_193 is true.
Reachability property qltransition_21 is true.
SDD proceeding with computation,2245 properties remain. new max is 2
SDD size :6 after 9
Reachability property qltransition_2116 is true.
Reachability property qltransition_2013 is true.
Reachability property qltransition_1714 is true.
Reachability property qltransition_1524 is true.
Reachability property qltransition_1334 is true.
Reachability property qltransition_1144 is true.
Reachability property qltransition_954 is true.
Reachability property qltransition_764 is true.
Reachability property qltransition_574 is true.
Reachability property qltransition_384 is true.
Reachability property qltransition_194 is true.
Reachability property qltransition_41 is true.
SDD proceeding with computation,2233 properties remain. new max is 2
SDD size :9 after 12
Reachability property qltransition_2134 is true.
Reachability property qltransition_2132 is true.
Reachability property qltransition_2130 is true.
Reachability property qltransition_2128 is true.
Reachability property qltransition_2022 is true.
Reachability property qltransition_1715 is true.
Reachability property qltransition_1525 is true.
Reachability property qltransition_1335 is true.
Reachability property qltransition_1145 is true.
Reachability property qltransition_955 is true.
Reachability property qltransition_765 is true.
Reachability property qltransition_575 is true.
Reachability property qltransition_385 is true.
Reachability property qltransition_42 is true.
Reachability property qltransition_22 is true.
Reachability property qltransition_2 is true.
SDD proceeding with computation,2217 properties remain. new max is 2
SDD size :12 after 25
SDD proceeding with computation,2217 properties remain. new max is 4
SDD size :25 after 27
Reachability property qltransition_2023 is true.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,2216 properties remain. new max is 4
SDD size :27 after 28
Reachability property qltransition_2021 is true.
SDD proceeding with computation,2215 properties remain. new max is 4
SDD size :28 after 31
Reachability property qltransition_2020 is true.
SDD proceeding with computation,2214 properties remain. new max is 4
SDD size :31 after 32
Reachability property qltransition_211 is true.
Reachability property qltransition_3 is true.
SDD proceeding with computation,2212 properties remain. new max is 4
SDD size :32 after 35
Reachability property qltransition_212 is true.
SDD proceeding with computation,2211 properties remain. new max is 4
SDD size :35 after 41
Reachability property qltransition_213 is true.
SDD proceeding with computation,2210 properties remain. new max is 4
SDD size :41 after 44
Reachability property qltransition_232 is true.
Reachability property qltransition_231 is true.
SDD proceeding with computation,2208 properties remain. new max is 4
SDD size :44 after 48
Reachability property qltransition_23 is true.
Reachability property qltransition_4 is true.
SDD proceeding with computation,2206 properties remain. new max is 4
SDD size :48 after 51
SDD proceeding with computation,2206 properties remain. new max is 8
SDD size :51 after 52
Reachability property qltransition_2152 is true.
Reachability property qltransition_2150 is true.
Reachability property qltransition_2148 is true.
Reachability property qltransition_2146 is true.
Reachability property qltransition_2033 is true.
Reachability property qltransition_1716 is true.
Reachability property qltransition_1526 is true.
Reachability property qltransition_1336 is true.
Reachability property qltransition_1146 is true.
Reachability property qltransition_956 is true.
Reachability property qltransition_766 is true.
Reachability property qltransition_576 is true.
Reachability property qltransition_233 is true.
Reachability property qltransition_214 is true.
Reachability property qltransition_195 is true.
Reachability property qltransition_43 is true.
Reachability property qltransition_24 is true.
Reachability property qltransition_5 is true.
SDD proceeding with computation,2188 properties remain. new max is 8
SDD size :52 after 116
Reachability property qltransition_2032 is true.
SDD proceeding with computation,2187 properties remain. new max is 8
SDD size :116 after 126
SDD proceeding with computation,2187 properties remain. new max is 16
SDD size :126 after 138
Reachability property qltransition_2031 is true.
At refinement iteration 0 (INCLUDED_ONLY) 0/193 variables, 193/193 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 7122ms, After SMT, problems are : Problem set: 3 solved, 1219 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 193 out of 430 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 430/430 places, 2290/2290 transitions.
Discarding 33 places :
Symmetric choice reduction at 0 with 33 rule applications. Total rules 33 place count 397 transition count 2257
Iterating global reduction 0 with 33 rules applied. Total rules applied 66 place count 397 transition count 2257
SDD proceeding with computation,2186 properties remain. new max is 16
SDD size :138 after 149
Reachability property qltransition_2030 is true.
Applied a total of 66 rules in 136 ms. Remains 397 /430 variables (removed 33) and now considering 2257/2290 (removed 33) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 136 ms. Remains : 397/430 places, 2257/2290 transitions.
Reachability property qltransition_401 is true.
SDD proceeding with computation,2184 properties remain. new max is 16
SDD size :149 after 153
Reachability property qltransition_402 is true.
SDD proceeding with computation,2183 properties remain. new max is 16
SDD size :153 after 159
Reachability property qltransition_403 is true.
SDD proceeding with computation,2182 properties remain. new max is 16
SDD size :159 after 162
Reachability property qltransition_404 is true.
SDD proceeding with computation,2181 properties remain. new max is 16
SDD size :162 after 186
SDD proceeding with computation,2181 properties remain. new max is 32
SDD size :186 after 196
Reachability property qltransition_423 is true.
Reachability property qltransition_422 is true.
Reachability property qltransition_421 is true.
SDD proceeding with computation,2178 properties remain. new max is 32
SDD size :196 after 212
SDD proceeding with computation,2178 properties remain. new max is 64
SDD size :212 after 218
Reachability property qltransition_2170 is true.
Reachability property qltransition_2168 is true.
Reachability property qltransition_2166 is true.
Reachability property qltransition_2164 is true.
Reachability property qltransition_2043 is true.
Reachability property qltransition_2042 is true.
Reachability property qltransition_1717 is true.
Reachability property qltransition_1527 is true.
Reachability property qltransition_1337 is true.
Reachability property qltransition_1147 is true.
Reachability property qltransition_957 is true.
Reachability property qltransition_767 is true.
Reachability property qltransition_424 is true.
Reachability property qltransition_405 is true.
Reachability property qltransition_386 is true.
Reachability property qltransition_234 is true.
Reachability property qltransition_215 is true.
Reachability property qltransition_196 is true.
Reachability property qltransition_44 is true.
Reachability property qltransition_25 is true.
Reachability property qltransition_6 is true.
SDD proceeding with computation,2157 properties remain. new max is 64
SDD size :218 after 574
SDD proceeding with computation,2157 properties remain. new max is 128
SDD size :574 after 706
Reachability property qltransition_2041 is true.
Reachability property qltransition_2040 is true.
Reachability property qltransition_595 is true.
Reachability property qltransition_594 is true.
Reachability property qltransition_593 is true.
Reachability property qltransition_592 is true.
Reachability property qltransition_591 is true.
SDD proceeding with computation,2150 properties remain. new max is 128
SDD size :706 after 873
Reachability property qltransition_614 is true.
Reachability property qltransition_613 is true.
Reachability property qltransition_612 is true.
Reachability property qltransition_611 is true.
SDD proceeding with computation,2146 properties remain. new max is 128
SDD size :873 after 989
Reachability property qltransition_2188 is true.
Reachability property qltransition_2186 is true.
Reachability property qltransition_2184 is true.
Reachability property qltransition_2182 is true.
Reachability property qltransition_1718 is true.
Reachability property qltransition_1528 is true.
Reachability property qltransition_1338 is true.
Reachability property qltransition_1148 is true.
Reachability property qltransition_958 is true.
Reachability property qltransition_615 is true.
Reachability property qltransition_596 is true.
Reachability property qltransition_577 is true.
Reachability property qltransition_425 is true.
Reachability property qltransition_406 is true.
Reachability property qltransition_387 is true.
Reachability property qltransition_235 is true.
Reachability property qltransition_216 is true.
Reachability property qltransition_197 is true.
Reachability property qltransition_45 is true.
Reachability property qltransition_26 is true.
Reachability property qltransition_7 is true.
SDD proceeding with computation,2125 properties remain. new max is 128
SDD size :989 after 2538
Reachability property qltransition_2053 is true.
Reachability property qltransition_2052 is true.
SDD proceeding with computation,2123 properties remain. new max is 128
SDD size :2538 after 3198
SDD proceeding with computation,2123 properties remain. new max is 256
SDD size :3198 after 3572
Reachability property qltransition_2051 is true.
Reachability property qltransition_2050 is true.
Reachability property qltransition_786 is true.
Reachability property qltransition_785 is true.
Reachability property qltransition_784 is true.
Reachability property qltransition_783 is true.
Reachability property qltransition_782 is true.
Reachability property qltransition_781 is true.
SDD proceeding with computation,2115 properties remain. new max is 256
SDD size :3572 after 4528
Reachability property qltransition_805 is true.
Reachability property qltransition_804 is true.
Reachability property qltransition_803 is true.
Reachability property qltransition_802 is true.
Reachability property qltransition_801 is true.
SDD proceeding with computation,2110 properties remain. new max is 256
SDD size :4528 after 5142
Reachability property qltransition_2206 is true.
Reachability property qltransition_2204 is true.
Reachability property qltransition_2202 is true.
Reachability property qltransition_2200 is true.
Reachability property qltransition_1719 is true.
Reachability property qltransition_1529 is true.
Reachability property qltransition_1339 is true.
Reachability property qltransition_1149 is true.
Reachability property qltransition_806 is true.
Reachability property qltransition_787 is true.
Reachability property qltransition_768 is true.
Reachability property qltransition_616 is true.
Reachability property qltransition_597 is true.
Reachability property qltransition_578 is true.
Reachability property qltransition_426 is true.
Reachability property qltransition_407 is true.
Reachability property qltransition_388 is true.
Reachability property qltransition_236 is true.
Reachability property qltransition_217 is true.
Reachability property qltransition_198 is true.
Reachability property qltransition_46 is true.
Reachability property qltransition_27 is true.
Reachability property qltransition_8 is true.
SDD proceeding with computation,2087 properties remain. new max is 256
SDD size :5142 after 12866
SDD proceeding with computation,2087 properties remain. new max is 512
SDD size :12866 after 14790
Reachability property qltransition_2063 is true.
Reachability property qltransition_2062 is true.
SDD proceeding with computation,2085 properties remain. new max is 512
SDD size :14790 after 19150
SDD proceeding with computation,2085 properties remain. new max is 1024
SDD size :19150 after 22342
Reachability property qltransition_2061 is true.
Reachability property qltransition_2060 is true.
Reachability property qltransition_996 is true.
Reachability property qltransition_995 is true.
Reachability property qltransition_994 is true.
Reachability property qltransition_993 is true.
Reachability property qltransition_992 is true.
Reachability property qltransition_991 is true.
Reachability property qltransition_977 is true.
Reachability property qltransition_976 is true.
Reachability property qltransition_975 is true.
Reachability property qltransition_974 is true.
Reachability property qltransition_973 is true.
Reachability property qltransition_972 is true.
Reachability property qltransition_971 is true.
SDD proceeding with computation,2070 properties remain. new max is 1024
SDD size :22342 after 31012
Reachability property qltransition_2224 is true.
Reachability property qltransition_2222 is true.
Reachability property qltransition_2220 is true.
Reachability property qltransition_2218 is true.
Reachability property qltransition_997 is true.
Reachability property qltransition_978 is true.
Reachability property qltransition_959 is true.
Reachability property qltransition_807 is true.
Reachability property qltransition_788 is true.
Reachability property qltransition_769 is true.
Reachability property qltransition_617 is true.
Reachability property qltransition_598 is true.
Reachability property qltransition_579 is true.
Reachability property qltransition_427 is true.
Reachability property qltransition_408 is true.
Reachability property qltransition_389 is true.
Reachability property qltransition_237 is true.
Reachability property qltransition_218 is true.
Reachability property qltransition_199 is true.
Reachability property qltransition_47 is true.
Reachability property qltransition_28 is true.
Reachability property qltransition_9 is true.
SDD proceeding with computation,2048 properties remain. new max is 1024
SDD size :31012 after 77864
SDD proceeding with computation,2048 properties remain. new max is 2048
SDD size :77864 after 93844
RANDOM walk for 2094174 steps (4 resets) in 120004 ms. (17 steps per ms) remains 593/1219 properties
BEST_FIRST walk for 4003 steps (8 resets) in 69 ms. (57 steps per ms) remains 593/593 properties
BEST_FIRST walk for 4004 steps (8 resets) in 49 ms. (80 steps per ms) remains 589/593 properties
BEST_FIRST walk for 4004 steps (8 resets) in 66 ms. (59 steps per ms) remains 589/589 properties
BEST_FIRST walk for 4002 steps (8 resets) in 59 ms. (66 steps per ms) remains 589/589 properties
BEST_FIRST walk for 4004 steps (8 resets) in 59 ms. (66 steps per ms) remains 589/589 properties
BEST_FIRST walk for 4003 steps (8 resets) in 57 ms. (69 steps per ms) remains 588/589 properties
BEST_FIRST walk for 4003 steps (8 resets) in 86 ms. (46 steps per ms) remains 575/588 properties
BEST_FIRST walk for 4004 steps (8 resets) in 75 ms. (52 steps per ms) remains 575/575 properties
BEST_FIRST walk for 4001 steps (8 resets) in 78 ms. (50 steps per ms) remains 575/575 properties
BEST_FIRST walk for 4002 steps (8 resets) in 83 ms. (47 steps per ms) remains 575/575 properties
BEST_FIRST walk for 4002 steps (8 resets) in 79 ms. (50 steps per ms) remains 575/575 properties
BEST_FIRST walk for 4003 steps (8 resets) in 64 ms. (61 steps per ms) remains 575/575 properties
BEST_FIRST walk for 4004 steps (8 resets) in 68 ms. (58 steps per ms) remains 575/575 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 453/575 properties
BEST_FIRST walk for 4004 steps (8 resets) in 75 ms. (52 steps per ms) remains 452/453 properties
BEST_FIRST walk for 4003 steps (8 resets) in 71 ms. (55 steps per ms) remains 452/452 properties
BEST_FIRST walk for 4002 steps (8 resets) in 70 ms. (56 steps per ms) remains 452/452 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 429/452 properties
BEST_FIRST walk for 4002 steps (8 resets) in 41 ms. (95 steps per ms) remains 338/429 properties
BEST_FIRST walk for 4001 steps (8 resets) in 53 ms. (74 steps per ms) remains 338/338 properties
BEST_FIRST walk for 4002 steps (8 resets) in 49 ms. (80 steps per ms) remains 338/338 properties
BEST_FIRST walk for 4003 steps (8 resets) in 49 ms. (80 steps per ms) remains 338/338 properties
BEST_FIRST walk for 4003 steps (8 resets) in 50 ms. (78 steps per ms) remains 338/338 properties
BEST_FIRST walk for 4003 steps (8 resets) in 55 ms. (71 steps per ms) remains 338/338 properties
BEST_FIRST walk for 4004 steps (8 resets) in 54 ms. (72 steps per ms) remains 338/338 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 334/338 properties
BEST_FIRST walk for 4003 steps (8 resets) in 50 ms. (78 steps per ms) remains 334/334 properties
BEST_FIRST walk for 4003 steps (8 resets) in 60 ms. (65 steps per ms) remains 334/334 properties
BEST_FIRST walk for 4003 steps (8 resets) in 58 ms. (67 steps per ms) remains 334/334 properties
BEST_FIRST walk for 4001 steps (8 resets) in 56 ms. (70 steps per ms) remains 334/334 properties
BEST_FIRST walk for 4003 steps (8 resets) in 43 ms. (90 steps per ms) remains 334/334 properties
BEST_FIRST walk for 4002 steps (8 resets) in 57 ms. (69 steps per ms) remains 334/334 properties
BEST_FIRST walk for 4001 steps (8 resets) in 55 ms. (71 steps per ms) remains 334/334 properties
BEST_FIRST walk for 4003 steps (8 resets) in 38 ms. (102 steps per ms) remains 334/334 properties
BEST_FIRST walk for 4002 steps (8 resets) in 45 ms. (87 steps per ms) remains 333/334 properties
BEST_FIRST walk for 4003 steps (8 resets) in 32 ms. (121 steps per ms) remains 333/333 properties
BEST_FIRST walk for 4003 steps (8 resets) in 41 ms. (95 steps per ms) remains 333/333 properties
BEST_FIRST walk for 4002 steps (8 resets) in 39 ms. (100 steps per ms) remains 333/333 properties
BEST_FIRST walk for 4002 steps (8 resets) in 47 ms. (83 steps per ms) remains 333/333 properties
BEST_FIRST walk for 4002 steps (8 resets) in 37 ms. (105 steps per ms) remains 333/333 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 333/333 properties
BEST_FIRST walk for 4002 steps (8 resets) in 49 ms. (80 steps per ms) remains 333/333 properties
BEST_FIRST walk for 4003 steps (8 resets) in 42 ms. (93 steps per ms) remains 333/333 properties
BEST_FIRST walk for 4003 steps (8 resets) in 44 ms. (88 steps per ms) remains 333/333 properties
BEST_FIRST walk for 4004 steps (8 resets) in 42 ms. (93 steps per ms) remains 333/333 properties
BEST_FIRST walk for 4003 steps (8 resets) in 19 ms. (200 steps per ms) remains 303/333 properties
BEST_FIRST walk for 4003 steps (8 resets) in 50 ms. (78 steps per ms) remains 302/303 properties
BEST_FIRST walk for 4002 steps (8 resets) in 43 ms. (90 steps per ms) remains 302/302 properties
BEST_FIRST walk for 4003 steps (8 resets) in 38 ms. (102 steps per ms) remains 302/302 properties
BEST_FIRST walk for 4003 steps (8 resets) in 37 ms. (105 steps per ms) remains 302/302 properties
BEST_FIRST walk for 4002 steps (8 resets) in 36 ms. (108 steps per ms) remains 302/302 properties
BEST_FIRST walk for 4001 steps (8 resets) in 39 ms. (100 steps per ms) remains 302/302 properties
BEST_FIRST walk for 4003 steps (8 resets) in 44 ms. (88 steps per ms) remains 302/302 properties
BEST_FIRST walk for 4002 steps (8 resets) in 41 ms. (95 steps per ms) remains 302/302 properties
BEST_FIRST walk for 4003 steps (8 resets) in 53 ms. (74 steps per ms) remains 302/302 properties
BEST_FIRST walk for 4000 steps (8 resets) in 41 ms. (95 steps per ms) remains 302/302 properties
BEST_FIRST walk for 4003 steps (8 resets) in 38 ms. (102 steps per ms) remains 302/302 properties
BEST_FIRST walk for 4002 steps (8 resets) in 35 ms. (111 steps per ms) remains 302/302 properties
BEST_FIRST walk for 4002 steps (8 resets) in 48 ms. (81 steps per ms) remains 294/302 properties
BEST_FIRST walk for 4002 steps (8 resets) in 39 ms. (100 steps per ms) remains 294/294 properties
BEST_FIRST walk for 4003 steps (8 resets) in 47 ms. (83 steps per ms) remains 294/294 properties
BEST_FIRST walk for 4001 steps (8 resets) in 48 ms. (81 steps per ms) remains 294/294 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 294/294 properties
BEST_FIRST walk for 4002 steps (8 resets) in 65 ms. (60 steps per ms) remains 294/294 properties
BEST_FIRST walk for 4001 steps (8 resets) in 40 ms. (97 steps per ms) remains 294/294 properties
BEST_FIRST walk for 4002 steps (8 resets) in 33 ms. (117 steps per ms) remains 291/294 properties
BEST_FIRST walk for 4003 steps (8 resets) in 39 ms. (100 steps per ms) remains 291/291 properties
BEST_FIRST walk for 4001 steps (8 resets) in 45 ms. (86 steps per ms) remains 291/291 properties
BEST_FIRST walk for 4004 steps (8 resets) in 43 ms. (91 steps per ms) remains 291/291 properties
BEST_FIRST walk for 4003 steps (8 resets) in 42 ms. (93 steps per ms) remains 291/291 properties
BEST_FIRST walk for 4004 steps (8 resets) in 47 ms. (83 steps per ms) remains 291/291 properties
BEST_FIRST walk for 4003 steps (8 resets) in 37 ms. (105 steps per ms) remains 291/291 properties
BEST_FIRST walk for 4002 steps (8 resets) in 46 ms. (85 steps per ms) remains 291/291 properties
BEST_FIRST walk for 4003 steps (8 resets) in 41 ms. (95 steps per ms) remains 291/291 properties
BEST_FIRST walk for 4001 steps (8 resets) in 49 ms. (80 steps per ms) remains 291/291 properties
BEST_FIRST walk for 4001 steps (8 resets) in 36 ms. (108 steps per ms) remains 291/291 properties
BEST_FIRST walk for 4002 steps (8 resets) in 44 ms. (88 steps per ms) remains 291/291 properties
BEST_FIRST walk for 4003 steps (8 resets) in 43 ms. (90 steps per ms) remains 288/291 properties
BEST_FIRST walk for 4001 steps (8 resets) in 41 ms. (95 steps per ms) remains 288/288 properties
BEST_FIRST walk for 4004 steps (8 resets) in 49 ms. (80 steps per ms) remains 288/288 properties
BEST_FIRST walk for 4003 steps (8 resets) in 42 ms. (93 steps per ms) remains 288/288 properties
BEST_FIRST walk for 4002 steps (8 resets) in 36 ms. (108 steps per ms) remains 288/288 properties
BEST_FIRST walk for 4002 steps (8 resets) in 41 ms. (95 steps per ms) remains 287/288 properties
BEST_FIRST walk for 4001 steps (8 resets) in 31 ms. (125 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4003 steps (8 resets) in 41 ms. (95 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4003 steps (8 resets) in 30 ms. (129 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4002 steps (8 resets) in 23 ms. (166 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4004 steps (8 resets) in 50 ms. (78 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4003 steps (8 resets) in 43 ms. (90 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4001 steps (8 resets) in 46 ms. (85 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4002 steps (8 resets) in 44 ms. (88 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4003 steps (8 resets) in 34 ms. (114 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4002 steps (8 resets) in 43 ms. (90 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4002 steps (8 resets) in 47 ms. (83 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4002 steps (8 resets) in 38 ms. (102 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4003 steps (8 resets) in 42 ms. (93 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4002 steps (8 resets) in 42 ms. (93 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4003 steps (8 resets) in 40 ms. (97 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4003 steps (8 resets) in 40 ms. (97 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4002 steps (8 resets) in 33 ms. (117 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4002 steps (8 resets) in 40 ms. (97 steps per ms) remains 287/287 properties
BEST_FIRST walk for 4002 steps (8 resets) in 37 ms. (105 steps per ms) remains 281/287 properties
BEST_FIRST walk for 4003 steps (8 resets) in 45 ms. (87 steps per ms) remains 273/281 properties
BEST_FIRST walk for 4001 steps (8 resets) in 29 ms. (133 steps per ms) remains 273/273 properties
BEST_FIRST walk for 4001 steps (8 resets) in 28 ms. (137 steps per ms) remains 273/273 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 265/273 properties
BEST_FIRST walk for 4001 steps (8 resets) in 35 ms. (111 steps per ms) remains 265/265 properties
BEST_FIRST walk for 4003 steps (8 resets) in 36 ms. (108 steps per ms) remains 265/265 properties
BEST_FIRST walk for 4002 steps (8 resets) in 40 ms. (97 steps per ms) remains 265/265 properties
BEST_FIRST walk for 4000 steps (8 resets) in 36 ms. (108 steps per ms) remains 265/265 properties
BEST_FIRST walk for 4003 steps (8 resets) in 42 ms. (93 steps per ms) remains 265/265 properties
BEST_FIRST walk for 4003 steps (8 resets) in 31 ms. (125 steps per ms) remains 265/265 properties
BEST_FIRST walk for 4002 steps (8 resets) in 35 ms. (111 steps per ms) remains 265/265 properties
BEST_FIRST walk for 4003 steps (8 resets) in 40 ms. (97 steps per ms) remains 265/265 properties
BEST_FIRST walk for 4001 steps (8 resets) in 42 ms. (93 steps per ms) remains 265/265 properties
BEST_FIRST walk for 4003 steps (8 resets) in 41 ms. (95 steps per ms) remains 265/265 properties
BEST_FIRST walk for 4003 steps (8 resets) in 37 ms. (105 steps per ms) remains 265/265 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 265/265 properties
BEST_FIRST walk for 4003 steps (8 resets) in 33 ms. (117 steps per ms) remains 265/265 properties
BEST_FIRST walk for 4002 steps (8 resets) in 50 ms. (78 steps per ms) remains 265/265 properties
BEST_FIRST walk for 4002 steps (8 resets) in 38 ms. (102 steps per ms) remains 265/265 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 265/265 properties
BEST_FIRST walk for 4000 steps (8 resets) in 31 ms. (125 steps per ms) remains 263/265 properties
BEST_FIRST walk for 4004 steps (8 resets) in 41 ms. (95 steps per ms) remains 263/263 properties
BEST_FIRST walk for 4003 steps (8 resets) in 43 ms. (90 steps per ms) remains 263/263 properties
BEST_FIRST walk for 4002 steps (8 resets) in 45 ms. (87 steps per ms) remains 263/263 properties
BEST_FIRST walk for 4001 steps (8 resets) in 42 ms. (93 steps per ms) remains 263/263 properties
BEST_FIRST walk for 4003 steps (8 resets) in 37 ms. (105 steps per ms) remains 263/263 properties
BEST_FIRST walk for 4003 steps (8 resets) in 32 ms. (121 steps per ms) remains 263/263 properties
BEST_FIRST walk for 4000 steps (8 resets) in 30 ms. (129 steps per ms) remains 263/263 properties
BEST_FIRST walk for 4002 steps (8 resets) in 39 ms. (100 steps per ms) remains 263/263 properties
BEST_FIRST walk for 4004 steps (8 resets) in 42 ms. (93 steps per ms) remains 263/263 properties
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 262/263 properties
BEST_FIRST walk for 4003 steps (8 resets) in 27 ms. (142 steps per ms) remains 262/262 properties
BEST_FIRST walk for 4003 steps (8 resets) in 29 ms. (133 steps per ms) remains 262/262 properties
BEST_FIRST walk for 4001 steps (8 resets) in 26 ms. (148 steps per ms) remains 262/262 properties
BEST_FIRST walk for 4002 steps (8 resets) in 47 ms. (83 steps per ms) remains 262/262 properties
BEST_FIRST walk for 4003 steps (8 resets) in 37 ms. (105 steps per ms) remains 262/262 properties
BEST_FIRST walk for 4002 steps (8 resets) in 40 ms. (97 steps per ms) remains 262/262 properties
BEST_FIRST walk for 4003 steps (8 resets) in 41 ms. (95 steps per ms) remains 262/262 properties
BEST_FIRST walk for 4000 steps (8 resets) in 39 ms. (100 steps per ms) remains 262/262 properties
BEST_FIRST walk for 4001 steps (8 resets) in 37 ms. (105 steps per ms) remains 262/262 properties
BEST_FIRST walk for 4002 steps (8 resets) in 39 ms. (100 steps per ms) remains 262/262 properties
BEST_FIRST walk for 4003 steps (8 resets) in 35 ms. (111 steps per ms) remains 262/262 properties
BEST_FIRST walk for 4003 steps (8 resets) in 34 ms. (114 steps per ms) remains 262/262 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 262/262 properties
BEST_FIRST walk for 4003 steps (8 resets) in 38 ms. (102 steps per ms) remains 262/262 properties
BEST_FIRST walk for 4003 steps (8 resets) in 38 ms. (102 steps per ms) remains 262/262 properties
BEST_FIRST walk for 4001 steps (8 resets) in 47 ms. (83 steps per ms) remains 262/262 properties
BEST_FIRST walk for 4003 steps (8 resets) in 40 ms. (97 steps per ms) remains 262/262 properties
BEST_FIRST walk for 4003 steps (8 resets) in 46 ms. (85 steps per ms) remains 262/262 properties
BEST_FIRST walk for 4004 steps (8 resets) in 41 ms. (95 steps per ms) remains 261/262 properties
BEST_FIRST walk for 4000 steps (8 resets) in 43 ms. (90 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4002 steps (8 resets) in 39 ms. (100 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4002 steps (8 resets) in 50 ms. (78 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4002 steps (8 resets) in 31 ms. (125 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4002 steps (8 resets) in 23 ms. (166 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4002 steps (8 resets) in 25 ms. (153 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4003 steps (8 resets) in 33 ms. (117 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4003 steps (8 resets) in 32 ms. (121 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4002 steps (8 resets) in 39 ms. (100 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4003 steps (8 resets) in 41 ms. (95 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4003 steps (8 resets) in 44 ms. (88 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4004 steps (8 resets) in 46 ms. (85 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4003 steps (8 resets) in 36 ms. (108 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4003 steps (8 resets) in 43 ms. (90 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4001 steps (8 resets) in 41 ms. (95 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4001 steps (8 resets) in 30 ms. (129 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4003 steps (8 resets) in 32 ms. (121 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4002 steps (8 resets) in 31 ms. (125 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4002 steps (8 resets) in 48 ms. (81 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4002 steps (8 resets) in 51 ms. (76 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4003 steps (8 resets) in 38 ms. (102 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4003 steps (8 resets) in 38 ms. (102 steps per ms) remains 261/261 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 260/261 properties
BEST_FIRST walk for 4002 steps (8 resets) in 29 ms. (133 steps per ms) remains 260/260 properties
BEST_FIRST walk for 4001 steps (8 resets) in 34 ms. (114 steps per ms) remains 260/260 properties
BEST_FIRST walk for 4003 steps (8 resets) in 40 ms. (97 steps per ms) remains 259/260 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 259/259 properties
BEST_FIRST walk for 4001 steps (8 resets) in 44 ms. (88 steps per ms) remains 255/259 properties
BEST_FIRST walk for 4002 steps (8 resets) in 43 ms. (90 steps per ms) remains 250/255 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4001 steps (8 resets) in 47 ms. (83 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4001 steps (8 resets) in 41 ms. (95 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4002 steps (8 resets) in 46 ms. (85 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4002 steps (8 resets) in 27 ms. (142 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4003 steps (8 resets) in 34 ms. (114 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4002 steps (8 resets) in 32 ms. (121 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4004 steps (8 resets) in 43 ms. (91 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4002 steps (8 resets) in 42 ms. (93 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4001 steps (8 resets) in 32 ms. (121 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4003 steps (8 resets) in 34 ms. (114 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4003 steps (8 resets) in 41 ms. (95 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4003 steps (8 resets) in 37 ms. (105 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4003 steps (8 resets) in 48 ms. (81 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4001 steps (8 resets) in 43 ms. (90 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4004 steps (8 resets) in 43 ms. (91 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4002 steps (8 resets) in 45 ms. (87 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4003 steps (8 resets) in 46 ms. (85 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4003 steps (8 resets) in 36 ms. (108 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4004 steps (8 resets) in 40 ms. (97 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4001 steps (8 resets) in 38 ms. (102 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4002 steps (8 resets) in 45 ms. (87 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4002 steps (8 resets) in 40 ms. (97 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4001 steps (8 resets) in 34 ms. (114 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4003 steps (8 resets) in 33 ms. (117 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4003 steps (8 resets) in 32 ms. (121 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4001 steps (8 resets) in 44 ms. (88 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4003 steps (8 resets) in 38 ms. (102 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4002 steps (8 resets) in 36 ms. (108 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4003 steps (8 resets) in 29 ms. (133 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4003 steps (8 resets) in 35 ms. (111 steps per ms) remains 250/250 properties
BEST_FIRST walk for 4001 steps (8 resets) in 41 ms. (95 steps per ms) remains 243/250 properties
BEST_FIRST walk for 4002 steps (8 resets) in 32 ms. (121 steps per ms) remains 243/243 properties
BEST_FIRST walk for 4003 steps (8 resets) in 44 ms. (88 steps per ms) remains 243/243 properties
BEST_FIRST walk for 4002 steps (8 resets) in 43 ms. (90 steps per ms) remains 243/243 properties
BEST_FIRST walk for 4003 steps (8 resets) in 38 ms. (102 steps per ms) remains 243/243 properties
BEST_FIRST walk for 4002 steps (8 resets) in 42 ms. (93 steps per ms) remains 243/243 properties
BEST_FIRST walk for 4000 steps (8 resets) in 33 ms. (117 steps per ms) remains 243/243 properties
BEST_FIRST walk for 4003 steps (8 resets) in 33 ms. (117 steps per ms) remains 243/243 properties
BEST_FIRST walk for 4002 steps (8 resets) in 36 ms. (108 steps per ms) remains 243/243 properties
BEST_FIRST walk for 4003 steps (8 resets) in 29 ms. (133 steps per ms) remains 243/243 properties
BEST_FIRST walk for 4002 steps (8 resets) in 29 ms. (133 steps per ms) remains 243/243 properties
BEST_FIRST walk for 4002 steps (8 resets) in 34 ms. (114 steps per ms) remains 243/243 properties
BEST_FIRST walk for 4004 steps (8 resets) in 37 ms. (105 steps per ms) remains 243/243 properties
BEST_FIRST walk for 4002 steps (8 resets) in 39 ms. (100 steps per ms) remains 243/243 properties
BEST_FIRST walk for 4003 steps (8 resets) in 48 ms. (81 steps per ms) remains 243/243 properties
BEST_FIRST walk for 4003 steps (8 resets) in 36 ms. (108 steps per ms) remains 243/243 properties
BEST_FIRST walk for 4000 steps (8 resets) in 42 ms. (93 steps per ms) remains 243/243 properties
BEST_FIRST walk for 4002 steps (8 resets) in 43 ms. (90 steps per ms) remains 243/243 properties
BEST_FIRST walk for 4002 steps (8 resets) in 39 ms. (100 steps per ms) remains 243/243 properties
BEST_FIRST walk for 4002 steps (8 resets) in 33 ms. (117 steps per ms) remains 241/243 properties
BEST_FIRST walk for 4001 steps (8 resets) in 39 ms. (100 steps per ms) remains 241/241 properties
BEST_FIRST walk for 4003 steps (8 resets) in 42 ms. (93 steps per ms) remains 241/241 properties
BEST_FIRST walk for 4002 steps (8 resets) in 38 ms. (102 steps per ms) remains 241/241 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 241/241 properties
BEST_FIRST walk for 4002 steps (8 resets) in 36 ms. (108 steps per ms) remains 241/241 properties
BEST_FIRST walk for 4002 steps (8 resets) in 31 ms. (125 steps per ms) remains 241/241 properties
BEST_FIRST walk for 4003 steps (8 resets) in 37 ms. (105 steps per ms) remains 241/241 properties
BEST_FIRST walk for 4002 steps (8 resets) in 36 ms. (108 steps per ms) remains 241/241 properties
BEST_FIRST walk for 4002 steps (8 resets) in 40 ms. (97 steps per ms) remains 241/241 properties
BEST_FIRST walk for 4002 steps (8 resets) in 37 ms. (105 steps per ms) remains 241/241 properties
BEST_FIRST walk for 4003 steps (8 resets) in 33 ms. (117 steps per ms) remains 234/241 properties
BEST_FIRST walk for 4002 steps (8 resets) in 44 ms. (88 steps per ms) remains 233/234 properties
BEST_FIRST walk for 4002 steps (8 resets) in 46 ms. (85 steps per ms) remains 233/233 properties
BEST_FIRST walk for 4002 steps (8 resets) in 39 ms. (100 steps per ms) remains 233/233 properties
BEST_FIRST walk for 4003 steps (8 resets) in 35 ms. (111 steps per ms) remains 233/233 properties
BEST_FIRST walk for 4001 steps (8 resets) in 44 ms. (88 steps per ms) remains 233/233 properties
BEST_FIRST walk for 4001 steps (8 resets) in 36 ms. (108 steps per ms) remains 233/233 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 233/233 properties
BEST_FIRST walk for 4003 steps (8 resets) in 31 ms. (125 steps per ms) remains 233/233 properties
BEST_FIRST walk for 4004 steps (8 resets) in 37 ms. (105 steps per ms) remains 233/233 properties
BEST_FIRST walk for 4003 steps (8 resets) in 39 ms. (100 steps per ms) remains 228/233 properties
BEST_FIRST walk for 4001 steps (8 resets) in 41 ms. (95 steps per ms) remains 228/228 properties
BEST_FIRST walk for 4002 steps (8 resets) in 39 ms. (100 steps per ms) remains 228/228 properties
BEST_FIRST walk for 4003 steps (8 resets) in 31 ms. (125 steps per ms) remains 228/228 properties
BEST_FIRST walk for 4003 steps (8 resets) in 34 ms. (114 steps per ms) remains 228/228 properties
BEST_FIRST walk for 4003 steps (8 resets) in 40 ms. (97 steps per ms) remains 228/228 properties
BEST_FIRST walk for 4002 steps (8 resets) in 41 ms. (95 steps per ms) remains 226/228 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 213/226 properties
BEST_FIRST walk for 4002 steps (8 resets) in 44 ms. (88 steps per ms) remains 213/213 properties
BEST_FIRST walk for 4003 steps (8 resets) in 30 ms. (129 steps per ms) remains 213/213 properties
BEST_FIRST walk for 4003 steps (8 resets) in 34 ms. (114 steps per ms) remains 213/213 properties
BEST_FIRST walk for 4002 steps (8 resets) in 40 ms. (97 steps per ms) remains 213/213 properties
BEST_FIRST walk for 4001 steps (8 resets) in 42 ms. (93 steps per ms) remains 213/213 properties
BEST_FIRST walk for 4003 steps (8 resets) in 41 ms. (95 steps per ms) remains 213/213 properties
BEST_FIRST walk for 4002 steps (8 resets) in 42 ms. (93 steps per ms) remains 213/213 properties
// Phase 1: matrix 2257 rows 397 cols
[2026-05-25 05:29:22] [INFO ] Computed 22 invariants in 13 ms
[2026-05-25 05:29:22] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
Reachability property qltransition_2073 is true.
Reachability property qltransition_2072 is true.
SDD proceeding with computation,2046 properties remain. new max is 2048
SDD size :93844 after 129366
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 1 (OVERLAPS) 286/384 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 213 unsolved
SDD proceeding with computation,2046 properties remain. new max is 4096
SDD size :129366 after 153266
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:27] [INFO ] Deduced a trap composed of 196 places in 396 ms of which 101 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/384 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 213 unsolved
Reachability property qltransition_2242 is true.
Reachability property qltransition_2240 is true.
Reachability property qltransition_2238 is true.
Reachability property qltransition_2236 is true.
Reachability property qltransition_2071 is true.
Reachability property qltransition_2070 is true.
Reachability property qltransition_1187 is true.
Reachability property qltransition_1186 is true.
Reachability property qltransition_1185 is true.
Reachability property qltransition_1184 is true.
Reachability property qltransition_1183 is true.
Reachability property qltransition_1182 is true.
Reachability property qltransition_1181 is true.
Reachability property qltransition_1168 is true.
Reachability property qltransition_1167 is true.
Reachability property qltransition_1166 is true.
Reachability property qltransition_1165 is true.
Reachability property qltransition_1164 is true.
Reachability property qltransition_1163 is true.
Reachability property qltransition_1162 is true.
Reachability property qltransition_1161 is true.
SDD proceeding with computation,2025 properties remain. new max is 4096
SDD size :153266 after 431680
At refinement iteration 3 (INCLUDED_ONLY) 0/384 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 4 (OVERLAPS) 13/397 variables, 11/23 constraints. Problems are: Problem set: 0 solved, 213 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:37] [INFO ] Deduced a trap composed of 40 places in 439 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:38] [INFO ] Deduced a trap composed of 40 places in 371 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:38] [INFO ] Deduced a trap composed of 40 places in 466 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:39] [INFO ] Deduced a trap composed of 41 places in 394 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:39] [INFO ] Deduced a trap composed of 40 places in 376 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:40] [INFO ] Deduced a trap composed of 41 places in 430 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:41] [INFO ] Deduced a trap composed of 41 places in 506 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:42] [INFO ] Deduced a trap composed of 42 places in 481 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:42] [INFO ] Deduced a trap composed of 43 places in 403 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:43] [INFO ] Deduced a trap composed of 44 places in 565 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2025 properties remain. new max is 8192
SDD size :431680 after 563726
[2026-05-25 05:29:45] [INFO ] Deduced a trap composed of 41 places in 1184 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:45] [INFO ] Deduced a trap composed of 42 places in 575 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:46] [INFO ] Deduced a trap composed of 43 places in 518 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:48] [INFO ] Deduced a trap composed of 40 places in 939 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:49] [INFO ] Deduced a trap composed of 41 places in 645 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:50] [INFO ] Deduced a trap composed of 39 places in 493 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:50] [INFO ] Deduced a trap composed of 42 places in 427 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:51] [INFO ] Deduced a trap composed of 43 places in 393 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:51] [INFO ] Deduced a trap composed of 44 places in 394 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:51] [INFO ] Deduced a trap composed of 40 places in 396 ms of which 38 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/397 variables, 20/43 constraints. Problems are: Problem set: 0 solved, 213 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:53] [INFO ] Deduced a trap composed of 44 places in 803 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:54] [INFO ] Deduced a trap composed of 41 places in 816 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Reachability property qltransition_2083 is true.
Reachability property qltransition_2082 is true.
[2026-05-25 05:29:56] [INFO ] Deduced a trap composed of 42 places in 763 ms of which 49 ms to minimize.
SDD proceeding with computation,2023 properties remain. new max is 8192
SDD size :563726 after 810196
At refinement iteration 6 (INCLUDED_ONLY) 0/397 variables, 3/46 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/397 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 213 unsolved
SMT process timed out in 45335ms, After SMT, problems are : Problem set: 0 solved, 213 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 98 out of 397 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 397/397 places, 2257/2257 transitions.
Discarding 61 places :
Symmetric choice reduction at 0 with 61 rule applications. Total rules 61 place count 336 transition count 1980
Iterating global reduction 0 with 61 rules applied. Total rules applied 122 place count 336 transition count 1980
Applied a total of 122 rules in 83 ms. Remains 336 /397 variables (removed 61) and now considering 1980/2257 (removed 277) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 83 ms. Remains : 336/397 places, 1980/2257 transitions.
Reachability property qltransition_2081 is true.
Reachability property qltransition_2080 is true.
Reachability property qltransition_1358 is true.
Reachability property qltransition_1357 is true.
Reachability property qltransition_1356 is true.
Reachability property qltransition_1355 is true.
Reachability property qltransition_1354 is true.
Reachability property qltransition_1353 is true.
Reachability property qltransition_1352 is true.
Reachability property qltransition_1351 is true.
SDD proceeding with computation,2013 properties remain. new max is 8192
SDD size :810196 after 1.17872e+06
RANDOM walk for 4000000 steps (8 resets) in 71810 ms. (55 steps per ms) remains 203/213 properties
BEST_FIRST walk for 40003 steps (8 resets) in 264 ms. (150 steps per ms) remains 203/203 properties
BEST_FIRST walk for 40003 steps (8 resets) in 209 ms. (190 steps per ms) remains 203/203 properties
BEST_FIRST walk for 40002 steps (8 resets) in 308 ms. (129 steps per ms) remains 203/203 properties
BEST_FIRST walk for 40003 steps (8 resets) in 258 ms. (154 steps per ms) remains 203/203 properties
BEST_FIRST walk for 40002 steps (8 resets) in 300 ms. (132 steps per ms) remains 203/203 properties
BEST_FIRST walk for 40003 steps (8 resets) in 304 ms. (131 steps per ms) remains 203/203 properties
BEST_FIRST walk for 40003 steps (8 resets) in 340 ms. (117 steps per ms) remains 203/203 properties
BEST_FIRST walk for 40002 steps (8 resets) in 298 ms. (133 steps per ms) remains 203/203 properties
BEST_FIRST walk for 40003 steps (8 resets) in 244 ms. (163 steps per ms) remains 203/203 properties
BEST_FIRST walk for 40003 steps (8 resets) in 343 ms. (116 steps per ms) remains 203/203 properties
BEST_FIRST walk for 40003 steps (8 resets) in 256 ms. (155 steps per ms) remains 203/203 properties
BEST_FIRST walk for 40001 steps (8 resets) in 313 ms. (127 steps per ms) remains 203/203 properties
BEST_FIRST walk for 40002 steps (8 resets) in 311 ms. (128 steps per ms) remains 203/203 properties
BEST_FIRST walk for 40002 steps (8 resets) in 265 ms. (150 steps per ms) remains 203/203 properties
BEST_FIRST walk for 40000 steps (8 resets) in 309 ms. (129 steps per ms) remains 203/203 properties
BEST_FIRST walk for 40004 steps (8 resets) in 287 ms. (138 steps per ms) remains 197/203 properties
BEST_FIRST walk for 40000 steps (8 resets) in 344 ms. (115 steps per ms) remains 195/197 properties
BEST_FIRST walk for 40001 steps (8 resets) in 274 ms. (145 steps per ms) remains 195/195 properties
BEST_FIRST walk for 40004 steps (8 resets) in 303 ms. (131 steps per ms) remains 195/195 properties
BEST_FIRST walk for 40004 steps (8 resets) in 345 ms. (115 steps per ms) remains 195/195 properties
BEST_FIRST walk for 40004 steps (8 resets) in 211 ms. (188 steps per ms) remains 195/195 properties
BEST_FIRST walk for 40002 steps (8 resets) in 238 ms. (167 steps per ms) remains 195/195 properties
BEST_FIRST walk for 40004 steps (8 resets) in 266 ms. (149 steps per ms) remains 195/195 properties
BEST_FIRST walk for 40003 steps (8 resets) in 304 ms. (131 steps per ms) remains 191/195 properties
BEST_FIRST walk for 40002 steps (8 resets) in 305 ms. (130 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (8 resets) in 321 ms. (124 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (8 resets) in 302 ms. (132 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (8 resets) in 324 ms. (123 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (8 resets) in 285 ms. (139 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (8 resets) in 307 ms. (129 steps per ms) remains 184/191 properties
BEST_FIRST walk for 40004 steps (8 resets) in 254 ms. (156 steps per ms) remains 184/184 properties
BEST_FIRST walk for 40004 steps (8 resets) in 280 ms. (142 steps per ms) remains 184/184 properties
BEST_FIRST walk for 40004 steps (8 resets) in 211 ms. (188 steps per ms) remains 184/184 properties
BEST_FIRST walk for 40002 steps (8 resets) in 358 ms. (111 steps per ms) remains 184/184 properties
BEST_FIRST walk for 40001 steps (8 resets) in 275 ms. (144 steps per ms) remains 184/184 properties
BEST_FIRST walk for 40004 steps (8 resets) in 299 ms. (133 steps per ms) remains 184/184 properties
BEST_FIRST walk for 40003 steps (8 resets) in 238 ms. (167 steps per ms) remains 184/184 properties
BEST_FIRST walk for 40002 steps (8 resets) in 289 ms. (137 steps per ms) remains 184/184 properties
BEST_FIRST walk for 40004 steps (8 resets) in 304 ms. (131 steps per ms) remains 184/184 properties
BEST_FIRST walk for 40003 steps (8 resets) in 232 ms. (171 steps per ms) remains 184/184 properties
BEST_FIRST walk for 40004 steps (8 resets) in 301 ms. (132 steps per ms) remains 184/184 properties
BEST_FIRST walk for 40002 steps (8 resets) in 307 ms. (129 steps per ms) remains 178/184 properties
BEST_FIRST walk for 40002 steps (8 resets) in 272 ms. (146 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (8 resets) in 254 ms. (156 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40001 steps (8 resets) in 245 ms. (162 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40001 steps (8 resets) in 195 ms. (204 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (8 resets) in 291 ms. (136 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40001 steps (8 resets) in 338 ms. (117 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (8 resets) in 271 ms. (147 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40001 steps (8 resets) in 249 ms. (160 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (8 resets) in 246 ms. (161 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (8 resets) in 313 ms. (127 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (8 resets) in 287 ms. (138 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (8 resets) in 338 ms. (118 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (8 resets) in 294 ms. (135 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (8 resets) in 243 ms. (163 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (8 resets) in 381 ms. (104 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (8 resets) in 195 ms. (204 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (8 resets) in 215 ms. (185 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (8 resets) in 254 ms. (156 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (8 resets) in 284 ms. (140 steps per ms) remains 174/178 properties
BEST_FIRST walk for 40004 steps (8 resets) in 263 ms. (151 steps per ms) remains 174/174 properties
BEST_FIRST walk for 40004 steps (8 resets) in 331 ms. (120 steps per ms) remains 174/174 properties
BEST_FIRST walk for 40003 steps (8 resets) in 275 ms. (144 steps per ms) remains 174/174 properties
BEST_FIRST walk for 40004 steps (8 resets) in 276 ms. (144 steps per ms) remains 174/174 properties
BEST_FIRST walk for 40003 steps (8 resets) in 293 ms. (136 steps per ms) remains 174/174 properties
BEST_FIRST walk for 40004 steps (8 resets) in 270 ms. (147 steps per ms) remains 174/174 properties
BEST_FIRST walk for 40003 steps (8 resets) in 309 ms. (129 steps per ms) remains 174/174 properties
BEST_FIRST walk for 40002 steps (8 resets) in 248 ms. (160 steps per ms) remains 174/174 properties
BEST_FIRST walk for 40003 steps (8 resets) in 287 ms. (138 steps per ms) remains 174/174 properties
BEST_FIRST walk for 40003 steps (8 resets) in 268 ms. (148 steps per ms) remains 174/174 properties
BEST_FIRST walk for 40002 steps (8 resets) in 260 ms. (153 steps per ms) remains 174/174 properties
BEST_FIRST walk for 40001 steps (8 resets) in 255 ms. (156 steps per ms) remains 174/174 properties
BEST_FIRST walk for 40003 steps (8 resets) in 261 ms. (152 steps per ms) remains 173/174 properties
BEST_FIRST walk for 40002 steps (8 resets) in 290 ms. (137 steps per ms) remains 172/173 properties
BEST_FIRST walk for 40003 steps (8 resets) in 270 ms. (147 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40002 steps (8 resets) in 232 ms. (171 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (8 resets) in 261 ms. (152 steps per ms) remains 167/172 properties
BEST_FIRST walk for 40002 steps (8 resets) in 263 ms. (151 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40002 steps (8 resets) in 253 ms. (157 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (8 resets) in 305 ms. (130 steps per ms) remains 167/167 properties
Reachability property qltransition_2260 is true.
BEST_FIRST walk for 40003 steps (8 resets) in 285 ms. (139 steps per ms) remains 167/167 properties
Reachability property qltransition_2258 is true.
Reachability property qltransition_2256 is true.
BEST_FIRST walk for 40002 steps (8 resets) in 293 ms. (136 steps per ms) remains 167/167 properties
Reachability property qltransition_2254 is true.
BEST_FIRST walk for 40002 steps (8 resets) in 243 ms. (163 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (8 resets) in 277 ms. (143 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40002 steps (8 resets) in 238 ms. (167 steps per ms) remains 165/167 properties
BEST_FIRST walk for 40004 steps (8 resets) in 296 ms. (134 steps per ms) remains 165/165 properties
BEST_FIRST walk for 40002 steps (8 resets) in 299 ms. (133 steps per ms) remains 165/165 properties
BEST_FIRST walk for 40002 steps (8 resets) in 225 ms. (177 steps per ms) remains 161/165 properties
BEST_FIRST walk for 40003 steps (8 resets) in 309 ms. (129 steps per ms) remains 161/161 properties
Reachability property qltransition_1377 is true.
Reachability property qltransition_1376 is true.
Reachability property qltransition_1375 is true.
Reachability property qltransition_1374 is true.
Reachability property qltransition_1373 is true.
Reachability property qltransition_1372 is true.
BEST_FIRST walk for 40004 steps (8 resets) in 234 ms. (170 steps per ms) remains 160/161 properties
BEST_FIRST walk for 40003 steps (8 resets) in 232 ms. (171 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (8 resets) in 191 ms. (208 steps per ms) remains 158/160 properties
BEST_FIRST walk for 40003 steps (8 resets) in 271 ms. (147 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40002 steps (8 resets) in 236 ms. (168 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (8 resets) in 273 ms. (145 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40002 steps (8 resets) in 229 ms. (173 steps per ms) remains 156/158 properties
BEST_FIRST walk for 40000 steps (8 resets) in 257 ms. (155 steps per ms) remains 156/156 properties
Reachability property qltransition_1371 is true.
BEST_FIRST walk for 40001 steps (8 resets) in 273 ms. (145 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40003 steps (8 resets) in 237 ms. (168 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40001 steps (8 resets) in 246 ms. (161 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40003 steps (8 resets) in 280 ms. (142 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40004 steps (8 resets) in 275 ms. (144 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40002 steps (8 resets) in 288 ms. (138 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40003 steps (8 resets) in 237 ms. (168 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40002 steps (8 resets) in 302 ms. (132 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40001 steps (8 resets) in 213 ms. (186 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40002 steps (8 resets) in 254 ms. (156 steps per ms) remains 148/156 properties
BEST_FIRST walk for 40003 steps (8 resets) in 277 ms. (143 steps per ms) remains 148/148 properties
BEST_FIRST walk for 40003 steps (8 resets) in 203 ms. (196 steps per ms) remains 148/148 properties
BEST_FIRST walk for 40002 steps (8 resets) in 239 ms. (166 steps per ms) remains 148/148 properties
BEST_FIRST walk for 40002 steps (8 resets) in 205 ms. (194 steps per ms) remains 148/148 properties
BEST_FIRST walk for 40002 steps (8 resets) in 213 ms. (186 steps per ms) remains 148/148 properties
BEST_FIRST walk for 40003 steps (8 resets) in 174 ms. (228 steps per ms) remains 148/148 properties
BEST_FIRST walk for 40003 steps (8 resets) in 262 ms. (152 steps per ms) remains 148/148 properties
BEST_FIRST walk for 40004 steps (8 resets) in 209 ms. (190 steps per ms) remains 148/148 properties
BEST_FIRST walk for 40001 steps (8 resets) in 255 ms. (156 steps per ms) remains 148/148 properties
BEST_FIRST walk for 40004 steps (8 resets) in 218 ms. (182 steps per ms) remains 148/148 properties
BEST_FIRST walk for 40002 steps (8 resets) in 226 ms. (176 steps per ms) remains 148/148 properties
BEST_FIRST walk for 40003 steps (8 resets) in 222 ms. (179 steps per ms) remains 148/148 properties
BEST_FIRST walk for 40004 steps (8 resets) in 249 ms. (160 steps per ms) remains 148/148 properties
BEST_FIRST walk for 40003 steps (8 resets) in 278 ms. (143 steps per ms) remains 148/148 properties
BEST_FIRST walk for 40003 steps (8 resets) in 236 ms. (168 steps per ms) remains 148/148 properties
BEST_FIRST walk for 40004 steps (8 resets) in 259 ms. (153 steps per ms) remains 141/148 properties
BEST_FIRST walk for 40002 steps (8 resets) in 212 ms. (187 steps per ms) remains 141/141 properties
BEST_FIRST walk for 40003 steps (8 resets) in 240 ms. (165 steps per ms) remains 141/141 properties
BEST_FIRST walk for 40002 steps (8 resets) in 269 ms. (148 steps per ms) remains 141/141 properties
BEST_FIRST walk for 40004 steps (8 resets) in 211 ms. (188 steps per ms) remains 141/141 properties
BEST_FIRST walk for 40002 steps (8 resets) in 256 ms. (155 steps per ms) remains 141/141 properties
BEST_FIRST walk for 40004 steps (8 resets) in 231 ms. (172 steps per ms) remains 141/141 properties
BEST_FIRST walk for 40002 steps (8 resets) in 253 ms. (157 steps per ms) remains 141/141 properties
BEST_FIRST walk for 40004 steps (8 resets) in 205 ms. (194 steps per ms) remains 140/141 properties
BEST_FIRST walk for 40003 steps (8 resets) in 245 ms. (162 steps per ms) remains 140/140 properties
BEST_FIRST walk for 40003 steps (8 resets) in 221 ms. (180 steps per ms) remains 140/140 properties
BEST_FIRST walk for 40002 steps (8 resets) in 310 ms. (128 steps per ms) remains 140/140 properties
BEST_FIRST walk for 40003 steps (8 resets) in 240 ms. (165 steps per ms) remains 135/140 properties
BEST_FIRST walk for 40001 steps (8 resets) in 250 ms. (159 steps per ms) remains 135/135 properties
BEST_FIRST walk for 40004 steps (8 resets) in 212 ms. (187 steps per ms) remains 135/135 properties
BEST_FIRST walk for 40002 steps (8 resets) in 231 ms. (172 steps per ms) remains 135/135 properties
BEST_FIRST walk for 40003 steps (8 resets) in 222 ms. (179 steps per ms) remains 135/135 properties
BEST_FIRST walk for 40004 steps (8 resets) in 252 ms. (158 steps per ms) remains 135/135 properties
BEST_FIRST walk for 40002 steps (8 resets) in 248 ms. (160 steps per ms) remains 135/135 properties
BEST_FIRST walk for 40004 steps (8 resets) in 214 ms. (186 steps per ms) remains 134/135 properties
BEST_FIRST walk for 40003 steps (8 resets) in 213 ms. (186 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40003 steps (8 resets) in 323 ms. (123 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40003 steps (8 resets) in 219 ms. (181 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40002 steps (8 resets) in 300 ms. (132 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40002 steps (8 resets) in 237 ms. (168 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40002 steps (8 resets) in 216 ms. (184 steps per ms) remains 125/134 properties
BEST_FIRST walk for 40001 steps (8 resets) in 231 ms. (172 steps per ms) remains 125/125 properties
BEST_FIRST walk for 40003 steps (8 resets) in 258 ms. (154 steps per ms) remains 124/125 properties
BEST_FIRST walk for 40002 steps (8 resets) in 287 ms. (138 steps per ms) remains 124/124 properties
BEST_FIRST walk for 40001 steps (8 resets) in 227 ms. (175 steps per ms) remains 109/124 properties
// Phase 1: matrix 1980 rows 336 cols
[2026-05-25 05:30:41] [INFO ] Computed 22 invariants in 8 ms
[2026-05-25 05:30:41] [INFO ] State equation strengthened by 98 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 109 unsolved
At refinement iteration 1 (OVERLAPS) 249/310 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 109 unsolved
SDD proceeding with computation,2002 properties remain. new max is 8192
SDD size :1.17872e+06 after 2.5803e+06
At refinement iteration 2 (INCLUDED_ONLY) 0/310 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 109 unsolved
At refinement iteration 3 (OVERLAPS) 25/335 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 109 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:30:46] [INFO ] Deduced a trap composed of 39 places in 1902 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:30:47] [INFO ] Deduced a trap composed of 40 places in 469 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:30:47] [INFO ] Deduced a trap composed of 40 places in 406 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:30:49] [INFO ] Deduced a trap composed of 39 places in 541 ms of which 57 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/335 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 109 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/335 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 109 unsolved
At refinement iteration 6 (OVERLAPS) 1/336 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 109 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:30:54] [INFO ] Deduced a trap composed of 40 places in 466 ms of which 34 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/336 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 109 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:30:56] [INFO ] Deduced a trap composed of 40 places in 358 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:30:57] [INFO ] Deduced a trap composed of 41 places in 353 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:30:57] [INFO ] Deduced a trap composed of 40 places in 433 ms of which 31 ms to minimize.
SDD proceeding with computation,2002 properties remain. new max is 16384
At refinement iteration 8 (INCLUDED_ONLY) 0/336 variables, 3/30 constraints. Problems are: Problem set: 0 solved, 109 unsolved
SDD size :2.5803e+06 after 3.04066e+06
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:31:01] [INFO ] Deduced a trap composed of 41 places in 582 ms of which 34 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/336 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 109 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/336 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 109 unsolved
At refinement iteration 11 (OVERLAPS) 1980/2316 variables, 336/367 constraints. Problems are: Problem set: 0 solved, 109 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2316 variables, 98/465 constraints. Problems are: Problem set: 0 solved, 109 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2316 variables, 0/465 constraints. Problems are: Problem set: 0 solved, 109 unsolved
Reachability property qltransition_2093 is true.
Reachability property qltransition_2092 is true.
At refinement iteration 14 (OVERLAPS) 0/2316 variables, 0/465 constraints. Problems are: Problem set: 0 solved, 109 unsolved
SDD proceeding with computation,2000 properties remain. new max is 16384
SDD size :3.04066e+06 after 3.94426e+06
No progress, stopping.
After SMT solving in domain Real declared 2316/2316 variables, and 465 constraints, problems are : Problem set: 0 solved, 109 unsolved in 64306 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 336/336 constraints, ReadFeed: 98/98 constraints, PredecessorRefiner: 109/109 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 109 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 109 unsolved
At refinement iteration 1 (OVERLAPS) 249/310 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 109 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/310 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 109 unsolved
At refinement iteration 3 (OVERLAPS) 25/335 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 109 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/335 variables, 8/29 constraints. Problems are: Problem set: 0 solved, 109 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/335 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 109 unsolved
At refinement iteration 6 (OVERLAPS) 1/336 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 109 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/336 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 109 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/336 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 109 unsolved
At refinement iteration 9 (OVERLAPS) 1980/2316 variables, 336/367 constraints. Problems are: Problem set: 0 solved, 109 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2316 variables, 98/465 constraints. Problems are: Problem set: 0 solved, 109 unsolved
SDD proceeding with computation,2000 properties remain. new max is 32768
SDD size :3.94426e+06 after 4.62243e+06
At refinement iteration 11 (INCLUDED_ONLY) 0/2316 variables, 109/574 constraints. Problems are: Problem set: 0 solved, 109 unsolved
Reachability property qltransition_2091 is true.
Reachability property qltransition_2090 is true.
Reachability property qltransition_1548 is true.
Reachability property qltransition_1547 is true.
Reachability property qltransition_1546 is true.
Reachability property qltransition_1545 is true.
Reachability property qltransition_1544 is true.
Reachability property qltransition_1543 is true.
Reachability property qltransition_1542 is true.
Reachability property qltransition_1541 is true.
SDD proceeding with computation,1990 properties remain. new max is 32768
SDD size :4.62243e+06 after 7.23965e+06
At refinement iteration 12 (INCLUDED_ONLY) 0/2316 variables, 0/574 constraints. Problems are: Problem set: 0 solved, 109 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2316/2316 variables, and 574 constraints, problems are : Problem set: 0 solved, 109 unsolved in 75036 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 336/336 constraints, ReadFeed: 98/98 constraints, PredecessorRefiner: 109/109 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 139522ms problems are : Problem set: 0 solved, 109 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 61 out of 336 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 336/336 places, 1980/1980 transitions.
Discarding 29 places :
Symmetric choice reduction at 0 with 29 rule applications. Total rules 29 place count 307 transition count 1573
Iterating global reduction 0 with 29 rules applied. Total rules applied 58 place count 307 transition count 1573
Applied a total of 58 rules in 72 ms. Remains 307 /336 variables (removed 29) and now considering 1573/1980 (removed 407) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 73 ms. Remains : 307/336 places, 1573/1980 transitions.
RANDOM walk for 4000000 steps (8 resets) in 49682 ms. (80 steps per ms) remains 109/109 properties
BEST_FIRST walk for 40004 steps (8 resets) in 170 ms. (233 steps per ms) remains 109/109 properties
BEST_FIRST walk for 40004 steps (8 resets) in 201 ms. (198 steps per ms) remains 109/109 properties
BEST_FIRST walk for 40003 steps (8 resets) in 211 ms. (188 steps per ms) remains 109/109 properties
BEST_FIRST walk for 40003 steps (8 resets) in 229 ms. (173 steps per ms) remains 109/109 properties
BEST_FIRST walk for 40003 steps (8 resets) in 271 ms. (147 steps per ms) remains 109/109 properties
BEST_FIRST walk for 40004 steps (8 resets) in 197 ms. (202 steps per ms) remains 109/109 properties
BEST_FIRST walk for 40003 steps (8 resets) in 171 ms. (232 steps per ms) remains 109/109 properties
BEST_FIRST walk for 40002 steps (8 resets) in 201 ms. (198 steps per ms) remains 109/109 properties
BEST_FIRST walk for 40002 steps (8 resets) in 199 ms. (200 steps per ms) remains 109/109 properties
BEST_FIRST walk for 40001 steps (8 resets) in 197 ms. (202 steps per ms) remains 109/109 properties
BEST_FIRST walk for 40004 steps (8 resets) in 233 ms. (170 steps per ms) remains 109/109 properties
BEST_FIRST walk for 40002 steps (8 resets) in 269 ms. (148 steps per ms) remains 109/109 properties
BEST_FIRST walk for 40003 steps (8 resets) in 205 ms. (194 steps per ms) remains 109/109 properties
BEST_FIRST walk for 40003 steps (8 resets) in 212 ms. (187 steps per ms) remains 109/109 properties
BEST_FIRST walk for 40003 steps (8 resets) in 201 ms. (198 steps per ms) remains 108/109 properties
BEST_FIRST walk for 40004 steps (8 resets) in 163 ms. (243 steps per ms) remains 108/108 properties
BEST_FIRST walk for 40004 steps (8 resets) in 176 ms. (226 steps per ms) remains 108/108 properties
BEST_FIRST walk for 40002 steps (8 resets) in 220 ms. (181 steps per ms) remains 108/108 properties
BEST_FIRST walk for 40004 steps (8 resets) in 186 ms. (213 steps per ms) remains 108/108 properties
BEST_FIRST walk for 40003 steps (8 resets) in 233 ms. (170 steps per ms) remains 108/108 properties
BEST_FIRST walk for 40003 steps (8 resets) in 182 ms. (218 steps per ms) remains 108/108 properties
BEST_FIRST walk for 40003 steps (8 resets) in 229 ms. (173 steps per ms) remains 108/108 properties
BEST_FIRST walk for 40002 steps (8 resets) in 199 ms. (200 steps per ms) remains 108/108 properties
BEST_FIRST walk for 40002 steps (8 resets) in 237 ms. (168 steps per ms) remains 108/108 properties
BEST_FIRST walk for 40002 steps (8 resets) in 208 ms. (191 steps per ms) remains 108/108 properties
BEST_FIRST walk for 40001 steps (8 resets) in 210 ms. (189 steps per ms) remains 108/108 properties
BEST_FIRST walk for 40002 steps (8 resets) in 245 ms. (162 steps per ms) remains 108/108 properties
BEST_FIRST walk for 40003 steps (8 resets) in 302 ms. (132 steps per ms) remains 108/108 properties
BEST_FIRST walk for 40003 steps (8 resets) in 286 ms. (139 steps per ms) remains 108/108 properties
BEST_FIRST walk for 40003 steps (8 resets) in 149 ms. (266 steps per ms) remains 108/108 properties
BEST_FIRST walk for 40002 steps (8 resets) in 163 ms. (243 steps per ms) remains 107/108 properties
BEST_FIRST walk for 40003 steps (8 resets) in 148 ms. (268 steps per ms) remains 107/107 properties
BEST_FIRST walk for 40003 steps (8 resets) in 210 ms. (189 steps per ms) remains 107/107 properties
BEST_FIRST walk for 40003 steps (8 resets) in 231 ms. (172 steps per ms) remains 107/107 properties
BEST_FIRST walk for 40003 steps (8 resets) in 184 ms. (216 steps per ms) remains 107/107 properties
BEST_FIRST walk for 40004 steps (8 resets) in 205 ms. (194 steps per ms) remains 107/107 properties
BEST_FIRST walk for 40003 steps (8 resets) in 262 ms. (152 steps per ms) remains 106/107 properties
BEST_FIRST walk for 40004 steps (8 resets) in 202 ms. (197 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (8 resets) in 200 ms. (199 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40004 steps (8 resets) in 161 ms. (246 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (8 resets) in 196 ms. (203 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (8 resets) in 219 ms. (181 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (8 resets) in 187 ms. (212 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (8 resets) in 205 ms. (194 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (8 resets) in 214 ms. (186 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (8 resets) in 195 ms. (204 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (8 resets) in 233 ms. (170 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40004 steps (8 resets) in 232 ms. (171 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40002 steps (8 resets) in 193 ms. (206 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40002 steps (8 resets) in 223 ms. (178 steps per ms) remains 105/106 properties
BEST_FIRST walk for 40003 steps (8 resets) in 210 ms. (189 steps per ms) remains 105/105 properties
BEST_FIRST walk for 40002 steps (8 resets) in 249 ms. (160 steps per ms) remains 105/105 properties
BEST_FIRST walk for 40003 steps (8 resets) in 187 ms. (212 steps per ms) remains 105/105 properties
BEST_FIRST walk for 40001 steps (8 resets) in 223 ms. (178 steps per ms) remains 105/105 properties
BEST_FIRST walk for 40004 steps (8 resets) in 222 ms. (179 steps per ms) remains 104/105 properties
BEST_FIRST walk for 40003 steps (8 resets) in 179 ms. (222 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40003 steps (8 resets) in 203 ms. (196 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40003 steps (8 resets) in 177 ms. (224 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40003 steps (8 resets) in 241 ms. (165 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40002 steps (8 resets) in 258 ms. (154 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40002 steps (8 resets) in 176 ms. (226 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40004 steps (8 resets) in 286 ms. (139 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40003 steps (8 resets) in 251 ms. (158 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40004 steps (8 resets) in 151 ms. (263 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40002 steps (8 resets) in 211 ms. (188 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40003 steps (8 resets) in 175 ms. (227 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40002 steps (8 resets) in 258 ms. (154 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40002 steps (8 resets) in 189 ms. (210 steps per ms) remains 102/104 properties
BEST_FIRST walk for 40002 steps (8 resets) in 190 ms. (209 steps per ms) remains 102/102 properties
BEST_FIRST walk for 40003 steps (8 resets) in 163 ms. (243 steps per ms) remains 102/102 properties
BEST_FIRST walk for 40003 steps (8 resets) in 189 ms. (210 steps per ms) remains 102/102 properties
BEST_FIRST walk for 40003 steps (8 resets) in 206 ms. (193 steps per ms) remains 102/102 properties
BEST_FIRST walk for 40004 steps (8 resets) in 238 ms. (167 steps per ms) remains 102/102 properties
BEST_FIRST walk for 40003 steps (8 resets) in 228 ms. (174 steps per ms) remains 102/102 properties
BEST_FIRST walk for 40002 steps (8 resets) in 173 ms. (229 steps per ms) remains 102/102 properties
BEST_FIRST walk for 40003 steps (8 resets) in 252 ms. (158 steps per ms) remains 102/102 properties
BEST_FIRST walk for 40003 steps (8 resets) in 247 ms. (161 steps per ms) remains 98/102 properties
BEST_FIRST walk for 40003 steps (8 resets) in 138 ms. (287 steps per ms) remains 98/98 properties
BEST_FIRST walk for 40003 steps (8 resets) in 147 ms. (270 steps per ms) remains 98/98 properties
BEST_FIRST walk for 40002 steps (8 resets) in 222 ms. (179 steps per ms) remains 98/98 properties
BEST_FIRST walk for 40004 steps (8 resets) in 190 ms. (209 steps per ms) remains 98/98 properties
BEST_FIRST walk for 40002 steps (8 resets) in 285 ms. (139 steps per ms) remains 98/98 properties
BEST_FIRST walk for 40000 steps (8 resets) in 147 ms. (270 steps per ms) remains 98/98 properties
BEST_FIRST walk for 40002 steps (8 resets) in 169 ms. (235 steps per ms) remains 98/98 properties
BEST_FIRST walk for 40003 steps (8 resets) in 247 ms. (161 steps per ms) remains 94/98 properties
BEST_FIRST walk for 40003 steps (8 resets) in 239 ms. (166 steps per ms) remains 94/94 properties
BEST_FIRST walk for 40002 steps (8 resets) in 197 ms. (202 steps per ms) remains 94/94 properties
BEST_FIRST walk for 40003 steps (8 resets) in 179 ms. (222 steps per ms) remains 94/94 properties
BEST_FIRST walk for 40004 steps (8 resets) in 204 ms. (195 steps per ms) remains 94/94 properties
BEST_FIRST walk for 40003 steps (8 resets) in 186 ms. (213 steps per ms) remains 94/94 properties
BEST_FIRST walk for 40003 steps (8 resets) in 164 ms. (242 steps per ms) remains 94/94 properties
BEST_FIRST walk for 40004 steps (8 resets) in 234 ms. (170 steps per ms) remains 94/94 properties
BEST_FIRST walk for 40002 steps (8 resets) in 181 ms. (219 steps per ms) remains 94/94 properties
BEST_FIRST walk for 40003 steps (8 resets) in 247 ms. (161 steps per ms) remains 94/94 properties
BEST_FIRST walk for 40001 steps (8 resets) in 195 ms. (204 steps per ms) remains 94/94 properties
BEST_FIRST walk for 40002 steps (8 resets) in 163 ms. (243 steps per ms) remains 94/94 properties
BEST_FIRST walk for 40002 steps (8 resets) in 228 ms. (174 steps per ms) remains 94/94 properties
BEST_FIRST walk for 40003 steps (8 resets) in 248 ms. (160 steps per ms) remains 94/94 properties
BEST_FIRST walk for 40004 steps (8 resets) in 228 ms. (174 steps per ms) remains 94/94 properties
BEST_FIRST walk for 40001 steps (8 resets) in 182 ms. (218 steps per ms) remains 94/94 properties
BEST_FIRST walk for 40003 steps (8 resets) in 201 ms. (198 steps per ms) remains 94/94 properties
BEST_FIRST walk for 40001 steps (8 resets) in 184 ms. (216 steps per ms) remains 94/94 properties
// Phase 1: matrix 1573 rows 307 cols
[2026-05-25 05:33:21] [INFO ] Computed 22 invariants in 7 ms
[2026-05-25 05:33:21] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 1 (OVERLAPS) 223/281 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/281 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 3 (OVERLAPS) 25/306 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 94 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:33:24] [INFO ] Deduced a trap composed of 39 places in 289 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:33:24] [INFO ] Deduced a trap composed of 40 places in 255 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:33:25] [INFO ] Deduced a trap composed of 41 places in 293 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:33:25] [INFO ] Deduced a trap composed of 39 places in 336 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:33:26] [INFO ] Deduced a trap composed of 39 places in 469 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:33:27] [INFO ] Deduced a trap composed of 40 places in 443 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:33:27] [INFO ] Deduced a trap composed of 39 places in 351 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:33:28] [INFO ] Deduced a trap composed of 40 places in 354 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:33:28] [INFO ] Deduced a trap composed of 41 places in 292 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:33:29] [INFO ] Deduced a trap composed of 42 places in 508 ms of which 42 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/306 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 94 unsolved
Reachability property qltransition_2278 is true.
Reachability property qltransition_2276 is true.
Reachability property qltransition_2274 is true.
Reachability property qltransition_2272 is true.
Reachability property qltransition_1567 is true.
Reachability property qltransition_1566 is true.
Reachability property qltransition_1565 is true.
Reachability property qltransition_1564 is true.
Reachability property qltransition_1563 is true.
Reachability property qltransition_1562 is true.
At refinement iteration 5 (INCLUDED_ONLY) 0/306 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 6 (OVERLAPS) 1/307 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/307 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 94 unsolved
Reachability property qltransition_1561 is true.
At refinement iteration 8 (OVERLAPS) 1573/1880 variables, 307/339 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1880 variables, 90/429 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1880 variables, 0/429 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 11 (OVERLAPS) 0/1880 variables, 0/429 constraints. Problems are: Problem set: 0 solved, 94 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1880/1880 variables, and 429 constraints, problems are : Problem set: 0 solved, 94 unsolved in 35345 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 307/307 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 94/94 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 94 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 1 (OVERLAPS) 223/281 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/281 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 3 (OVERLAPS) 25/306 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/306 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/306 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 6 (OVERLAPS) 1/307 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/307 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 8 (OVERLAPS) 1573/1880 variables, 307/339 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1880 variables, 90/429 constraints. Problems are: Problem set: 0 solved, 94 unsolved
SDD proceeding with computation,1979 properties remain. new max is 32768
SDD size :7.23965e+06 after 1.40592e+07
At refinement iteration 10 (INCLUDED_ONLY) 0/1880 variables, 94/523 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1880 variables, 0/523 constraints. Problems are: Problem set: 0 solved, 94 unsolved
Reachability property qltransition_2103 is true.
Reachability property qltransition_2102 is true.
At refinement iteration 12 (OVERLAPS) 0/1880 variables, 0/523 constraints. Problems are: Problem set: 0 solved, 94 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1880/1880 variables, and 523 constraints, problems are : Problem set: 0 solved, 94 unsolved in 90034 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 307/307 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 94/94 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 125500ms problems are : Problem set: 0 solved, 94 unsolved
Fused 94 Parikh solutions to 52 different solutions.
SDD proceeding with computation,1977 properties remain. new max is 32768
SDD size :1.40592e+07 after 1.70112e+07
Parikh walk visited 28 properties in 30606 ms.
Support contains 48 out of 307 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 307/307 places, 1573/1573 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 294 transition count 1326
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 294 transition count 1326
Applied a total of 26 rules in 34 ms. Remains 294 /307 variables (removed 13) and now considering 1326/1573 (removed 247) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 294/307 places, 1326/1573 transitions.
RANDOM walk for 4000000 steps (8 resets) in 39608 ms. (100 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1288 ms. (310 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1416 ms. (282 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1237 ms. (323 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1433 ms. (278 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1233 ms. (324 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1401 ms. (285 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1213 ms. (329 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1278 ms. (312 steps per ms) remains 64/66 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1278 ms. (312 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1359 ms. (294 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1266 ms. (315 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1394 ms. (286 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1218 ms. (328 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1428 ms. (279 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1244 ms. (321 steps per ms) remains 64/64 properties
SDD proceeding with computation,1977 properties remain. new max is 65536
SDD size :1.70112e+07 after 1.93208e+07
BEST_FIRST walk for 400002 steps (8 resets) in 1423 ms. (280 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1344 ms. (297 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1365 ms. (292 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1185 ms. (337 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1379 ms. (289 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1101 ms. (362 steps per ms) remains 63/64 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1397 ms. (286 steps per ms) remains 63/63 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1409 ms. (283 steps per ms) remains 63/63 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1410 ms. (283 steps per ms) remains 63/63 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1285 ms. (311 steps per ms) remains 63/63 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1367 ms. (292 steps per ms) remains 63/63 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1141 ms. (350 steps per ms) remains 62/63 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1264 ms. (316 steps per ms) remains 60/62 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1301 ms. (307 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1172 ms. (341 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1330 ms. (300 steps per ms) remains 58/60 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1290 ms. (309 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1167 ms. (342 steps per ms) remains 56/58 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1305 ms. (306 steps per ms) remains 56/56 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1234 ms. (323 steps per ms) remains 56/56 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1709 ms. (233 steps per ms) remains 54/56 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1341 ms. (298 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1175 ms. (340 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1340 ms. (298 steps per ms) remains 53/54 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1377 ms. (290 steps per ms) remains 53/53 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1318 ms. (303 steps per ms) remains 52/53 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1143 ms. (349 steps per ms) remains 52/52 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1307 ms. (305 steps per ms) remains 52/52 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1153 ms. (346 steps per ms) remains 52/52 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1293 ms. (309 steps per ms) remains 52/52 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1220 ms. (327 steps per ms) remains 52/52 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1389 ms. (287 steps per ms) remains 52/52 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1222 ms. (327 steps per ms) remains 52/52 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1185 ms. (337 steps per ms) remains 52/52 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1203 ms. (332 steps per ms) remains 52/52 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1138 ms. (351 steps per ms) remains 52/52 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1286 ms. (310 steps per ms) remains 52/52 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1334 ms. (299 steps per ms) remains 52/52 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1197 ms. (333 steps per ms) remains 52/52 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1303 ms. (306 steps per ms) remains 52/52 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1126 ms. (354 steps per ms) remains 52/52 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1149 ms. (347 steps per ms) remains 52/52 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1277 ms. (312 steps per ms) remains 48/52 properties
// Phase 1: matrix 1326 rows 294 cols
[2026-05-25 05:36:35] [INFO ] Computed 22 invariants in 9 ms
[2026-05-25 05:36:35] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (OVERLAPS) 225/266 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/266 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (OVERLAPS) 27/293 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:36:36] [INFO ] Deduced a trap composed of 39 places in 316 ms of which 29 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/293 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/293 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (OVERLAPS) 1/294 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:36:39] [INFO ] Deduced a trap composed of 39 places in 709 ms of which 41 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/294 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:36:41] [INFO ] Deduced a trap composed of 40 places in 454 ms of which 43 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/294 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/294 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 10 (OVERLAPS) 1326/1620 variables, 294/319 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1620 variables, 90/409 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1620 variables, 0/409 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 13 (OVERLAPS) 0/1620 variables, 0/409 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1620/1620 variables, and 409 constraints, problems are : Problem set: 0 solved, 48 unsolved in 15753 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 294/294 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (OVERLAPS) 225/266 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/266 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (OVERLAPS) 27/293 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/293 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/293 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (OVERLAPS) 1/294 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/294 variables, 2/25 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/294 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (OVERLAPS) 1326/1620 variables, 294/319 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1620 variables, 90/409 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1620 variables, 48/457 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1620 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 13 (OVERLAPS) 0/1620 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1620/1620 variables, and 457 constraints, problems are : Problem set: 0 solved, 48 unsolved in 25803 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 294/294 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41656ms problems are : Problem set: 0 solved, 48 unsolved
Parikh walk visited 0 properties in 9 ms.
Support contains 41 out of 294 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 294/294 places, 1326/1326 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 289 transition count 1231
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 289 transition count 1231
Applied a total of 10 rules in 31 ms. Remains 289 /294 variables (removed 5) and now considering 1231/1326 (removed 95) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 289/294 places, 1231/1326 transitions.
RANDOM walk for 4000000 steps (8 resets) in 34989 ms. (114 steps per ms) remains 48/48 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1058 ms. (377 steps per ms) remains 48/48 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1066 ms. (374 steps per ms) remains 48/48 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1087 ms. (367 steps per ms) remains 48/48 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1255 ms. (318 steps per ms) remains 48/48 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1201 ms. (332 steps per ms) remains 48/48 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1117 ms. (357 steps per ms) remains 48/48 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1423 ms. (280 steps per ms) remains 48/48 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1365 ms. (292 steps per ms) remains 48/48 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1141 ms. (350 steps per ms) remains 48/48 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1047 ms. (381 steps per ms) remains 48/48 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1139 ms. (350 steps per ms) remains 47/48 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1307 ms. (305 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1043 ms. (383 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1274 ms. (313 steps per ms) remains 45/47 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1106 ms. (361 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1262 ms. (316 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1114 ms. (358 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1175 ms. (340 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400004 steps (8 resets) in 979 ms. (408 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1098 ms. (363 steps per ms) remains 43/45 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1090 ms. (366 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1247 ms. (320 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1027 ms. (389 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1231 ms. (324 steps per ms) remains 41/43 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1065 ms. (375 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1242 ms. (321 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1073 ms. (372 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1159 ms. (344 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1033 ms. (386 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1138 ms. (351 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1226 ms. (326 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1107 ms. (361 steps per ms) remains 40/41 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1180 ms. (338 steps per ms) remains 40/40 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1088 ms. (367 steps per ms) remains 40/40 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1282 ms. (311 steps per ms) remains 40/40 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1037 ms. (385 steps per ms) remains 40/40 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1133 ms. (352 steps per ms) remains 40/40 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1233 ms. (324 steps per ms) remains 40/40 properties
BEST_FIRST walk for 400002 steps (8 resets) in 986 ms. (405 steps per ms) remains 40/40 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1244 ms. (321 steps per ms) remains 40/40 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1106 ms. (361 steps per ms) remains 38/40 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1250 ms. (319 steps per ms) remains 38/38 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1098 ms. (363 steps per ms) remains 38/38 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1114 ms. (358 steps per ms) remains 38/38 properties
// Phase 1: matrix 1231 rows 289 cols
[2026-05-25 05:37:44] [INFO ] Computed 22 invariants in 7 ms
[2026-05-25 05:37:44] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (OVERLAPS) 224/261 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/261 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Reachability property qltransition_2101 is true.
Reachability property qltransition_2100 is true.
Reachability property qltransition_1738 is true.
Reachability property qltransition_1737 is true.
Reachability property qltransition_1736 is true.
Reachability property qltransition_1735 is true.
Reachability property qltransition_1734 is true.
At refinement iteration 3 (OVERLAPS) 27/288 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Reachability property qltransition_1733 is true.
[2026-05-25 05:37:46] [INFO ] Deduced a trap composed of 39 places in 301 ms of which 25 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:37:47] [INFO ] Deduced a trap composed of 40 places in 313 ms of which 28 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 1/289 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/289 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 9 (OVERLAPS) 1231/1520 variables, 289/313 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1520 variables, 90/403 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Reachability property qltransition_1732 is true.
At refinement iteration 11 (INCLUDED_ONLY) 0/1520 variables, 0/403 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 12 (OVERLAPS) 0/1520 variables, 0/403 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1520/1520 variables, and 403 constraints, problems are : Problem set: 0 solved, 38 unsolved in 15437 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 289/289 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (OVERLAPS) 224/261 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/261 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 27/288 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 1/289 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 1231/1520 variables, 289/313 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1520 variables, 90/403 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1520 variables, 38/441 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Reachability property qltransition_1731 is true.
At refinement iteration 11 (INCLUDED_ONLY) 0/1520 variables, 0/441 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 12 (OVERLAPS) 0/1520 variables, 0/441 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1520/1520 variables, and 441 constraints, problems are : Problem set: 0 solved, 38 unsolved in 18984 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 289/289 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 34494ms problems are : Problem set: 0 solved, 38 unsolved
Parikh walk visited 2 properties in 5806 ms.
Support contains 35 out of 289 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 289/289 places, 1231/1231 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 283 transition count 1117
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 283 transition count 1117
Applied a total of 12 rules in 18 ms. Remains 283 /289 variables (removed 6) and now considering 1117/1231 (removed 114) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 283/289 places, 1117/1231 transitions.
RANDOM walk for 4000000 steps (8 resets) in 29699 ms. (134 steps per ms) remains 36/36 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1072 ms. (372 steps per ms) remains 36/36 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1089 ms. (366 steps per ms) remains 36/36 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1088 ms. (367 steps per ms) remains 36/36 properties
BEST_FIRST walk for 400004 steps (8 resets) in 960 ms. (416 steps per ms) remains 36/36 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1261 ms. (316 steps per ms) remains 35/36 properties
BEST_FIRST walk for 400001 steps (8 resets) in 995 ms. (401 steps per ms) remains 35/35 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1188 ms. (336 steps per ms) remains 35/35 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1329 ms. (300 steps per ms) remains 35/35 properties
BEST_FIRST walk for 400003 steps (8 resets) in 982 ms. (406 steps per ms) remains 35/35 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1150 ms. (347 steps per ms) remains 35/35 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1073 ms. (372 steps per ms) remains 35/35 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1145 ms. (349 steps per ms) remains 35/35 properties
BEST_FIRST walk for 400003 steps (8 resets) in 939 ms. (425 steps per ms) remains 35/35 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1040 ms. (384 steps per ms) remains 35/35 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1205 ms. (331 steps per ms) remains 35/35 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1051 ms. (380 steps per ms) remains 35/35 properties
Detected timeout of ITS tools.
BEST_FIRST walk for 400003 steps (8 resets) in 1100 ms. (363 steps per ms) remains 35/35 properties
[2026-05-25 05:38:40] [INFO ] Flatten gal took : 114 ms
[2026-05-25 05:38:40] [INFO ] Applying decomposition
[2026-05-25 05:38:40] [INFO ] Flatten gal took : 166 ms
BEST_FIRST walk for 400003 steps (8 resets) in 1408 ms. (283 steps per ms) remains 35/35 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1455 ms. (274 steps per ms) remains 35/35 properties
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/graph4512536739079535848.txt' '-o' '/tmp/graph4512536739079535848.bin' '-w' '/tmp/graph4512536739079535848.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4512536739079535848.bin' '-l' '-1' '-v' '-w' '/tmp/graph4512536739079535848.weights' '-q' '0' '-e' '0.001'
[2026-05-25 05:38:40] [INFO ] Decomposing Gal with order
[2026-05-25 05:38:40] [INFO ] Rewriting arrays to variables to allow decomposition.
BEST_FIRST walk for 400004 steps (8 resets) in 1312 ms. (304 steps per ms) remains 35/35 properties
[2026-05-25 05:38:41] [INFO ] Removed a total of 4551 redundant transitions.
BEST_FIRST walk for 400004 steps (8 resets) in 1650 ms. (242 steps per ms) remains 34/35 properties
[2026-05-25 05:38:41] [INFO ] Flatten gal took : 553 ms
[2026-05-25 05:38:41] [INFO ] Fuse similar labels procedure discarded/fused a total of 355 labels/synchronizations in 131 ms.
[2026-05-25 05:38:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10070425180425156782.gal : 31 ms
[2026-05-25 05:38:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6110461557949015742.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/ReachabilityCardinality10070425180425156782.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6110461557949015742.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
BEST_FIRST walk for 400002 steps (8 resets) in 1491 ms. (268 steps per ms) remains 34/34 properties
Loading property file /tmp/ReachabilityCardinality6110461557949015742.prop.
SDD proceeding with computation,34 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,34 properties remain. new max is 8
SDD size :2 after 27
SDD proceeding with computation,34 properties remain. new max is 16
SDD size :27 after 45
SDD proceeding with computation,34 properties remain. new max is 32
SDD size :45 after 45
SDD proceeding with computation,34 properties remain. new max is 64
SDD size :45 after 45
BEST_FIRST walk for 400003 steps (8 resets) in 1138 ms. (351 steps per ms) remains 34/34 properties
SDD proceeding with computation,34 properties remain. new max is 128
SDD size :45 after 3545
BEST_FIRST walk for 400004 steps (8 resets) in 1104 ms. (361 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1141 ms. (350 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1222 ms. (327 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (8 resets) in 971 ms. (411 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1238 ms. (322 steps per ms) remains 34/34 properties
SDD proceeding with computation,34 properties remain. new max is 256
SDD size :3545 after 21689
BEST_FIRST walk for 400004 steps (8 resets) in 1227 ms. (325 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400002 steps (8 resets) in 951 ms. (420 steps per ms) remains 33/34 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1093 ms. (365 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1207 ms. (331 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1005 ms. (397 steps per ms) remains 31/33 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1061 ms. (376 steps per ms) remains 30/31 properties
BEST_FIRST walk for 400003 steps (8 resets) in 939 ms. (425 steps per ms) remains 30/30 properties
// Phase 1: matrix 1117 rows 283 cols
[2026-05-25 05:38:47] [INFO ] Computed 22 invariants in 4 ms
[2026-05-25 05:38:47] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 135.0 s and query timeout 13500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (OVERLAPS) 224/255 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 27/282 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 30 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:38:48] [INFO ] Deduced a trap composed of 39 places in 281 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:38:48] [INFO ] Deduced a trap composed of 39 places in 250 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:38:49] [INFO ] Deduced a trap composed of 40 places in 213 ms of which 18 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/282 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/282 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 1/283 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/283 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (OVERLAPS) 1117/1400 variables, 283/308 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1400 variables, 90/398 constraints. Problems are: Problem set: 0 solved, 30 unsolved
SDD proceeding with computation,34 properties remain. new max is 512
SDD size :21689 after 38370
At refinement iteration 10 (INCLUDED_ONLY) 0/1400 variables, 0/398 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 11 (OVERLAPS) 0/1400 variables, 0/398 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1400/1400 variables, and 398 constraints, problems are : Problem set: 0 solved, 30 unsolved in 7494 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 283/283 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 30 unsolved
Starting Z3 with timeout 135.0 s and query timeout 13500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (OVERLAPS) 224/255 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 27/282 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/282 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/282 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 1/283 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/283 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (OVERLAPS) 1117/1400 variables, 283/308 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1400 variables, 90/398 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1400 variables, 30/428 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1400 variables, 0/428 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 12 (OVERLAPS) 0/1400 variables, 0/428 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1400/1400 variables, and 428 constraints, problems are : Problem set: 0 solved, 30 unsolved in 13897 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 283/283 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 21432ms problems are : Problem set: 0 solved, 30 unsolved
SDD proceeding with computation,34 properties remain. new max is 1024
SDD size :38370 after 44356
Parikh walk visited 1 properties in 4105 ms.
Support contains 30 out of 283 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 283/283 places, 1117/1117 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 278 transition count 1022
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 278 transition count 1022
Applied a total of 10 rules in 19 ms. Remains 278 /283 variables (removed 5) and now considering 1022/1117 (removed 95) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 278/283 places, 1022/1117 transitions.
RANDOM walk for 4000000 steps (8 resets) in 28330 ms. (141 steps per ms) remains 29/29 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1077 ms. (371 steps per ms) remains 28/29 properties
BEST_FIRST walk for 400003 steps (8 resets) in 938 ms. (425 steps per ms) remains 28/28 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1023 ms. (390 steps per ms) remains 27/28 properties
BEST_FIRST walk for 400003 steps (8 resets) in 900 ms. (443 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1063 ms. (375 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400003 steps (8 resets) in 881 ms. (453 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1089 ms. (366 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400002 steps (8 resets) in 945 ms. (422 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400002 steps (8 resets) in 978 ms. (408 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400004 steps (8 resets) in 924 ms. (432 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400002 steps (8 resets) in 985 ms. (405 steps per ms) remains 26/27 properties
BEST_FIRST walk for 400003 steps (8 resets) in 902 ms. (442 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 996 ms. (401 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 932 ms. (428 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 897 ms. (445 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 986 ms. (405 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 993 ms. (402 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1063 ms. (375 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1002 ms. (398 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 945 ms. (422 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1092 ms. (365 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1016 ms. (393 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1053 ms. (379 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1078 ms. (370 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 881 ms. (453 steps per ms) remains 26/26 properties
SDD proceeding with computation,34 properties remain. new max is 2048
SDD size :44356 after 46013
BEST_FIRST walk for 400003 steps (8 resets) in 1075 ms. (371 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 886 ms. (450 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1081 ms. (369 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 934 ms. (427 steps per ms) remains 26/26 properties
// Phase 1: matrix 1022 rows 278 cols
[2026-05-25 05:39:31] [INFO ] Computed 22 invariants in 5 ms
[2026-05-25 05:39:31] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 150.0 s and query timeout 15000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (OVERLAPS) 222/249 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/249 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (OVERLAPS) 28/277 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:39:32] [INFO ] Deduced a trap composed of 39 places in 291 ms of which 41 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/277 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/277 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (OVERLAPS) 1/278 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/278 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 1022/1300 variables, 278/301 constraints. Problems are: Problem set: 0 solved, 26 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1300 variables, 90/391 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1300 variables, 0/391 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 11 (OVERLAPS) 0/1300 variables, 0/391 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1300/1300 variables, and 391 constraints, problems are : Problem set: 0 solved, 26 unsolved in 3704 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 278/278 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 150.0 s and query timeout 15000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (OVERLAPS) 222/249 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/249 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (OVERLAPS) 28/277 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/277 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/277 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (OVERLAPS) 1/278 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/278 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 1022/1300 variables, 278/301 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1300 variables, 90/391 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1300 variables, 26/417 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1300 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 12 (OVERLAPS) 0/1300 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1300/1300 variables, and 417 constraints, problems are : Problem set: 0 solved, 26 unsolved in 10103 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 278/278 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13849ms problems are : Problem set: 0 solved, 26 unsolved
Parikh walk visited 2 properties in 543 ms.
Support contains 25 out of 278 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 278/278 places, 1022/1022 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 274 transition count 946
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 274 transition count 946
Applied a total of 8 rules in 16 ms. Remains 274 /278 variables (removed 4) and now considering 946/1022 (removed 76) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 274/278 places, 946/1022 transitions.
RANDOM walk for 4000000 steps (8 resets) in 27042 ms. (147 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (8 resets) in 956 ms. (417 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1178 ms. (339 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400002 steps (8 resets) in 987 ms. (404 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (8 resets) in 941 ms. (424 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (8 resets) in 952 ms. (419 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1046 ms. (382 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (8 resets) in 888 ms. (449 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (8 resets) in 991 ms. (403 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1056 ms. (378 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400002 steps (8 resets) in 867 ms. (460 steps per ms) remains 23/24 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1158 ms. (345 steps per ms) remains 23/23 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1070 ms. (373 steps per ms) remains 23/23 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1302 ms. (306 steps per ms) remains 23/23 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1103 ms. (362 steps per ms) remains 23/23 properties
BEST_FIRST walk for 400002 steps (8 resets) in 900 ms. (443 steps per ms) remains 23/23 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1102 ms. (362 steps per ms) remains 22/23 properties
BEST_FIRST walk for 400003 steps (8 resets) in 970 ms. (411 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1054 ms. (379 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (8 resets) in 881 ms. (453 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1102 ms. (362 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1012 ms. (394 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1112 ms. (359 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1123 ms. (355 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400002 steps (8 resets) in 910 ms. (439 steps per ms) remains 21/22 properties
// Phase 1: matrix 946 rows 274 cols
[2026-05-25 05:40:02] [INFO ] Computed 22 invariants in 4 ms
[2026-05-25 05:40:02] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 165.0 s and query timeout 16500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 200/222 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 50/272 variables, 11/20 constraints. Problems are: Problem set: 0 solved, 21 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:40:03] [INFO ] Deduced a trap composed of 39 places in 303 ms of which 35 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/272 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/272 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 6 (OVERLAPS) 2/274 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 8 (OVERLAPS) 946/1220 variables, 274/297 constraints. Problems are: Problem set: 0 solved, 21 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1220 variables, 90/387 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1220 variables, 0/387 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 11 (OVERLAPS) 0/1220 variables, 0/387 constraints. Problems are: Problem set: 0 solved, 21 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1220/1220 variables, and 387 constraints, problems are : Problem set: 0 solved, 21 unsolved in 3572 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 274/274 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 21 unsolved
Starting Z3 with timeout 165.0 s and query timeout 16500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 200/222 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 50/272 variables, 11/20 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/272 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/272 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 6 (OVERLAPS) 2/274 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 8 (OVERLAPS) 946/1220 variables, 274/297 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1220 variables, 90/387 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1220 variables, 21/408 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1220 variables, 0/408 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 12 (OVERLAPS) 0/1220 variables, 0/408 constraints. Problems are: Problem set: 0 solved, 21 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1220/1220 variables, and 408 constraints, problems are : Problem set: 0 solved, 21 unsolved in 7193 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 274/274 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10812ms problems are : Problem set: 0 solved, 21 unsolved
Parikh walk visited 1 properties in 1181 ms.
Support contains 21 out of 274 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 274/274 places, 946/946 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 270 transition count 870
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 270 transition count 870
Applied a total of 8 rules in 15 ms. Remains 270 /274 variables (removed 4) and now considering 870/946 (removed 76) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 270/274 places, 870/946 transitions.
RANDOM walk for 4000000 steps (8 resets) in 27130 ms. (147 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (8 resets) in 893 ms. (447 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1010 ms. (395 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1065 ms. (375 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (8 resets) in 881 ms. (453 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1026 ms. (389 steps per ms) remains 19/20 properties
BEST_FIRST walk for 400003 steps (8 resets) in 920 ms. (434 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1011 ms. (395 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400002 steps (8 resets) in 850 ms. (470 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400004 steps (8 resets) in 985 ms. (405 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400002 steps (8 resets) in 894 ms. (446 steps per ms) remains 18/19 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1013 ms. (394 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (8 resets) in 930 ms. (429 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1016 ms. (393 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (8 resets) in 869 ms. (459 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1029 ms. (388 steps per ms) remains 17/18 properties
BEST_FIRST walk for 400004 steps (8 resets) in 931 ms. (429 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400002 steps (8 resets) in 783 ms. (510 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400002 steps (8 resets) in 979 ms. (408 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 837 ms. (477 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1025 ms. (389 steps per ms) remains 17/17 properties
// Phase 1: matrix 870 rows 270 cols
[2026-05-25 05:40:28] [INFO ] Computed 22 invariants in 6 ms
[2026-05-25 05:40:28] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 180.0 s and query timeout 18000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 201/219 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/219 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 49/268 variables, 11/20 constraints. Problems are: Problem set: 0 solved, 17 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:40:29] [INFO ] Deduced a trap composed of 39 places in 241 ms of which 29 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/268 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/268 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 2/270 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 870/1140 variables, 270/293 constraints. Problems are: Problem set: 0 solved, 17 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1140 variables, 90/383 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1140 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 11 (OVERLAPS) 0/1140 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1140/1140 variables, and 383 constraints, problems are : Problem set: 0 solved, 17 unsolved in 2926 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 270/270 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
Starting Z3 with timeout 180.0 s and query timeout 18000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 201/219 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/219 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 49/268 variables, 11/20 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/268 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/268 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 2/270 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 870/1140 variables, 270/293 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1140 variables, 90/383 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1140 variables, 17/400 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1140 variables, 0/400 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 12 (OVERLAPS) 0/1140 variables, 0/400 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1140/1140 variables, and 400 constraints, problems are : Problem set: 0 solved, 17 unsolved in 5509 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 270/270 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8465ms problems are : Problem set: 0 solved, 17 unsolved
Parikh walk visited 0 properties in 8 ms.
Support contains 18 out of 270 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 270/270 places, 870/870 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 267 transition count 813
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 267 transition count 813
Applied a total of 6 rules in 28 ms. Remains 267 /270 variables (removed 3) and now considering 813/870 (removed 57) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 267/270 places, 813/870 transitions.
RANDOM walk for 4000000 steps (8 resets) in 23853 ms. (167 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 974 ms. (410 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 809 ms. (493 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400002 steps (8 resets) in 924 ms. (432 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400002 steps (8 resets) in 916 ms. (436 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400002 steps (8 resets) in 941 ms. (424 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400002 steps (8 resets) in 829 ms. (481 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400001 steps (8 resets) in 925 ms. (431 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 955 ms. (418 steps per ms) remains 16/17 properties
BEST_FIRST walk for 400002 steps (8 resets) in 823 ms. (485 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400001 steps (8 resets) in 876 ms. (456 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400003 steps (8 resets) in 928 ms. (430 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400004 steps (8 resets) in 989 ms. (404 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400003 steps (8 resets) in 782 ms. (510 steps per ms) remains 15/16 properties
BEST_FIRST walk for 400003 steps (8 resets) in 970 ms. (411 steps per ms) remains 15/15 properties
BEST_FIRST walk for 400004 steps (8 resets) in 877 ms. (455 steps per ms) remains 15/15 properties
BEST_FIRST walk for 400002 steps (8 resets) in 942 ms. (424 steps per ms) remains 15/15 properties
BEST_FIRST walk for 400004 steps (8 resets) in 820 ms. (487 steps per ms) remains 15/15 properties
// Phase 1: matrix 813 rows 267 cols
[2026-05-25 05:40:48] [INFO ] Computed 22 invariants in 4 ms
[2026-05-25 05:40:48] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 195.0 s and query timeout 19500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 200/216 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/216 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 49/265 variables, 11/20 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:40:50] [INFO ] Deduced a trap composed of 39 places in 163 ms of which 22 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/265 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/265 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (OVERLAPS) 2/267 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (OVERLAPS) 813/1080 variables, 267/290 constraints. Problems are: Problem set: 0 solved, 15 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1080 variables, 90/380 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1080 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 11 (OVERLAPS) 0/1080 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1080/1080 variables, and 380 constraints, problems are : Problem set: 0 solved, 15 unsolved in 3065 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 267/267 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 195.0 s and query timeout 19500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 200/216 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/216 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 49/265 variables, 11/20 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/265 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/265 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (OVERLAPS) 2/267 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (OVERLAPS) 813/1080 variables, 267/290 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1080 variables, 90/380 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1080 variables, 15/395 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1080 variables, 0/395 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 12 (OVERLAPS) 0/1080 variables, 0/395 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1080/1080 variables, and 395 constraints, problems are : Problem set: 0 solved, 15 unsolved in 4465 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 267/267 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7559ms problems are : Problem set: 0 solved, 15 unsolved
SDD proceeding with computation,34 properties remain. new max is 4096
SDD size :46013 after 651979
Parikh walk visited 4 properties in 16066 ms.
Support contains 12 out of 267 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 267/267 places, 813/813 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 261 transition count 699
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 261 transition count 699
Applied a total of 12 rules in 13 ms. Remains 261 /267 variables (removed 6) and now considering 699/813 (removed 114) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 261/267 places, 699/813 transitions.
RANDOM walk for 4000000 steps (8 resets) in 18469 ms. (216 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 6308 ms. (634 steps per ms) remains 10/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 6003 ms. (666 steps per ms) remains 9/10 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 5594 ms. (714 steps per ms) remains 8/9 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 5571 ms. (717 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 4965 ms. (805 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 5261 ms. (760 steps per ms) remains 7/8 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 5376 ms. (743 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4948 ms. (808 steps per ms) remains 6/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 5226 ms. (765 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 5187 ms. (771 steps per ms) remains 5/6 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4457 ms. (897 steps per ms) remains 4/5 properties
// Phase 1: matrix 699 rows 261 cols
[2026-05-25 05:41:35] [INFO ] Computed 22 invariants in 3 ms
[2026-05-25 05:41:35] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 210.0 s and query timeout 21000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 230/235 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/235 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 6/241 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 19/260 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:41:36] [INFO ] Deduced a trap composed of 39 places in 479 ms of which 34 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/260 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/260 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 1/261 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 699/960 variables, 261/284 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/960 variables, 90/374 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/960 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/960 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 960/960 variables, and 374 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1507 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 261/261 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 210.0 s and query timeout 21000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 230/235 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/235 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 6/241 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 19/260 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/260 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/260 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 1/261 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 699/960 variables, 261/284 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/960 variables, 90/374 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/960 variables, 4/378 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/960 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 0/960 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 960/960 variables, and 378 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1340 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 261/261 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2865ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 1205 ms.
Support contains 5 out of 261 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 261/261 places, 699/699 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 254 transition count 566
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 254 transition count 566
Applied a total of 14 rules in 9 ms. Remains 254 /261 variables (removed 7) and now considering 566/699 (removed 133) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 254/261 places, 566/699 transitions.
RANDOM walk for 4000000 steps (8 resets) in 14031 ms. (285 steps per ms) remains 4/4 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 4432 ms. (902 steps per ms) remains 3/4 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 4368 ms. (915 steps per ms) remains 3/3 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4242 ms. (942 steps per ms) remains 2/3 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3926 ms. (1018 steps per ms) remains 2/2 properties
// Phase 1: matrix 566 rows 254 cols
[2026-05-25 05:41:48] [INFO ] Computed 22 invariants in 3 ms
[2026-05-25 05:41:48] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 225.0 s and query timeout 22500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 223/226 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/226 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/234 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/234 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 19/253 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/253 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 1/254 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/254 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 566/820 variables, 254/276 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/820 variables, 90/366 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/820 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 0/820 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 820/820 variables, and 366 constraints, problems are : Problem set: 0 solved, 2 unsolved in 402 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 254/254 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 225.0 s and query timeout 22500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 223/226 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/226 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/234 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/234 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 19/253 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/253 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 1/254 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:41:49] [INFO ] Deduced a trap composed of 39 places in 177 ms of which 21 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/254 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/254 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 566/820 variables, 254/277 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/820 variables, 90/367 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/820 variables, 2/369 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/820 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/820 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 820/820 variables, and 369 constraints, problems are : Problem set: 0 solved, 2 unsolved in 972 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 254/254 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1394ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 127 ms.
Support contains 3 out of 254 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 254/254 places, 566/566 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 252 transition count 528
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 252 transition count 528
Applied a total of 4 rules in 8 ms. Remains 252 /254 variables (removed 2) and now considering 528/566 (removed 38) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 252/254 places, 528/566 transitions.
RANDOM walk for 4000000 steps (8 resets) in 11023 ms. (362 steps per ms) remains 2/2 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 3878 ms. (1031 steps per ms) remains 1/2 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3533 ms. (1131 steps per ms) remains 1/1 properties
// Phase 1: matrix 528 rows 252 cols
[2026-05-25 05:41:55] [INFO ] Computed 22 invariants in 8 ms
[2026-05-25 05:41:55] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 240.0 s and query timeout 24000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 231/233 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:41:56] [INFO ] Deduced a trap composed of 129 places in 167 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:41:56] [INFO ] Deduced a trap composed of 139 places in 131 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:41:56] [INFO ] Deduced a trap composed of 148 places in 177 ms of which 18 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/233 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/233 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/242 variables, 9/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/252 variables, 10/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:41:56] [INFO ] Deduced a trap composed of 39 places in 214 ms of which 17 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/252 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/252 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 528/780 variables, 252/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/780 variables, 90/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/780 variables, 0/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 0/780 variables, 0/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 780/780 variables, and 368 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1138 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 252/252 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 240.0 s and query timeout 24000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 231/233 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/233 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/233 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/242 variables, 9/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/252 variables, 10/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/252 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/252 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 528/780 variables, 252/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/780 variables, 90/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/780 variables, 1/369 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/780 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/780 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 780/780 variables, and 369 constraints, problems are : Problem set: 0 solved, 1 unsolved in 672 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 252/252 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1830ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 20 ms.
Support contains 2 out of 252 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 252/252 places, 528/528 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 251 transition count 509
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 251 transition count 509
Applied a total of 2 rules in 30 ms. Remains 251 /252 variables (removed 1) and now considering 509/528 (removed 19) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 251/252 places, 509/528 transitions.
RANDOM walk for 4000000 steps (8 resets) in 10110 ms. (395 steps per ms) remains 1/1 properties
BEST_FIRST walk for 3065607 steps (6 resets) in 2344 ms. (1307 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 2290 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 621/621 places, 2480/2480 transitions.
Performed 90 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 90 Pre rules applied. Total rules applied 0 place count 621 transition count 2390
Deduced a syphon composed of 90 places in 1 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 0 with 180 rules applied. Total rules applied 180 place count 531 transition count 2390
Applied a total of 180 rules in 47 ms. Remains 531 /621 variables (removed 90) and now considering 2390/2480 (removed 90) transitions.
// Phase 1: matrix 2390 rows 531 cols
[2026-05-25 05:42:01] [INFO ] Computed 23 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:42:14] [INFO ] Implicit Places using invariants in 13360 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 13371 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 530/621 places, 2390/2480 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 100 transitions
Trivial Post-agglo rules discarded 100 transitions
Performed 100 trivial Post agglomeration. Transition count delta: 100
Iterating post reduction 0 with 100 rules applied. Total rules applied 100 place count 530 transition count 2290
Reduce places removed 100 places and 0 transitions.
Iterating post reduction 1 with 100 rules applied. Total rules applied 200 place count 430 transition count 2290
Applied a total of 200 rules in 35 ms. Remains 430 /530 variables (removed 100) and now considering 2290/2390 (removed 100) transitions.
// Phase 1: matrix 2290 rows 430 cols
[2026-05-25 05:42:14] [INFO ] Computed 22 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:42:24] [INFO ] Implicit Places using invariants in 9386 ms returned []
[2026-05-25 05:42:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:42:24] [INFO ] State equation strengthened by 170 read => feed constraints.
[2026-05-25 05:42:33] [INFO ] Implicit Places using invariants and state equation in 9851 ms returned []
Implicit Place search using SMT with State Equation took 19252 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 430/621 places, 2290/2480 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 32717 ms. Remains : 430/621 places, 2290/2480 transitions.
Net is quasi-live, checking if it is reversible to establish liveness.
Net is conservative; using simplified expression for initial state.
[2026-05-25 05:42:34] [INFO ] Flatten gal took : 109 ms
[2026-05-25 05:42:34] [INFO ] Flatten gal took : 88 ms
[2026-05-25 05:42:34] [INFO ] Time to serialize gal into /tmp/CTLFireability17652120589930934106.gal : 15 ms
[2026-05-25 05:42:34] [INFO ] Time to serialize properties into /tmp/CTLFireability2692299002310781499.ctl : 6 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability17652120589930934106.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability2692299002310781499.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-25 05:42:37] [INFO ] Flatten gal took : 76 ms
[2026-05-25 05:42:37] [INFO ] Applying decomposition
[2026-05-25 05:42:37] [INFO ] Flatten gal took : 82 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/graph17913889416654501864.txt' '-o' '/tmp/graph17913889416654501864.bin' '-w' '/tmp/graph17913889416654501864.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph17913889416654501864.bin' '-l' '-1' '-v' '-w' '/tmp/graph17913889416654501864.weights' '-q' '0' '-e' '0.001'
[2026-05-25 05:42:37] [INFO ] Decomposing Gal with order
[2026-05-25 05:42:37] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 05:42:37] [INFO ] Removed a total of 4753 redundant transitions.
[2026-05-25 05:42:37] [INFO ] Flatten gal took : 202 ms
[2026-05-25 05:42:38] [INFO ] Fuse similar labels procedure discarded/fused a total of 334 labels/synchronizations in 84 ms.
[2026-05-25 05:42:38] [INFO ] Time to serialize gal into /tmp/CTLFireability3055930174507235196.gal : 20 ms
[2026-05-25 05:42:38] [INFO ] Time to serialize properties into /tmp/CTLFireability6194358314244015969.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability3055930174507235196.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability6194358314244015969.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...262
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-25 05:42:41] [INFO ] Flatten gal took : 88 ms
[2026-05-25 05:42:41] [INFO ] Flatten gal took : 76 ms
[2026-05-25 05:42:41] [INFO ] Time to serialize gal into /tmp/CTLFireability10782683524960498617.gal : 12 ms
[2026-05-25 05:42:41] [INFO ] Time to serialize properties into /tmp/CTLFireability3147358205674401121.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability10782683524960498617.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability3147358205674401121.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-25 05:43:11] [INFO ] Flatten gal took : 86 ms
[2026-05-25 05:43:11] [INFO ] Applying decomposition
[2026-05-25 05:43:11] [INFO ] Flatten gal took : 73 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/graph10506685682409806992.txt' '-o' '/tmp/graph10506685682409806992.bin' '-w' '/tmp/graph10506685682409806992.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10506685682409806992.bin' '-l' '-1' '-v' '-w' '/tmp/graph10506685682409806992.weights' '-q' '0' '-e' '0.001'
[2026-05-25 05:43:11] [INFO ] Decomposing Gal with order
[2026-05-25 05:43:11] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 05:43:12] [INFO ] Removed a total of 4839 redundant transitions.
[2026-05-25 05:43:12] [INFO ] Flatten gal took : 172 ms
[2026-05-25 05:43:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 291 labels/synchronizations in 32 ms.
[2026-05-25 05:43:12] [INFO ] Time to serialize gal into /tmp/CTLFireability13638655934625484948.gal : 12 ms
[2026-05-25 05:43:12] [INFO ] Time to serialize properties into /tmp/CTLFireability9738792145374161669.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability13638655934625484948.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability9738792145374161669.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...263
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-25 05:43:42] [INFO ] Flatten gal took : 115 ms
[2026-05-25 05:43:42] [INFO ] Flatten gal took : 88 ms
[2026-05-25 05:43:42] [INFO ] Time to serialize gal into /tmp/CTLFireability8313923383494267100.gal : 12 ms
[2026-05-25 05:43:42] [INFO ] Time to serialize properties into /tmp/CTLFireability2494000490901281972.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability8313923383494267100.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability2494000490901281972.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-25 05:48:42] [INFO ] Flatten gal took : 97 ms
[2026-05-25 05:48:42] [INFO ] Applying decomposition
[2026-05-25 05:48:42] [INFO ] Flatten gal took : 66 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/graph9079928516989691153.txt' '-o' '/tmp/graph9079928516989691153.bin' '-w' '/tmp/graph9079928516989691153.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9079928516989691153.bin' '-l' '-1' '-v' '-w' '/tmp/graph9079928516989691153.weights' '-q' '0' '-e' '0.001'
[2026-05-25 05:48:43] [INFO ] Decomposing Gal with order
[2026-05-25 05:48:43] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 05:48:43] [INFO ] Removed a total of 4379 redundant transitions.
[2026-05-25 05:48:43] [INFO ] Flatten gal took : 136 ms
[2026-05-25 05:48:43] [INFO ] Fuse similar labels procedure discarded/fused a total of 416 labels/synchronizations in 25 ms.
[2026-05-25 05:48:43] [INFO ] Time to serialize gal into /tmp/CTLFireability9500193067185596317.gal : 9 ms
[2026-05-25 05:48:43] [INFO ] Time to serialize properties into /tmp/CTLFireability6154377663743991309.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability9500193067185596317.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability6154377663743991309.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...262
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-25 05:53:43] [INFO ] Flatten gal took : 75 ms
[2026-05-25 05:53:44] [INFO ] Flatten gal took : 75 ms
[2026-05-25 05:53:44] [INFO ] Time to serialize gal into /tmp/CTLFireability17482245402389301148.gal : 12 ms
[2026-05-25 05:53:44] [INFO ] Time to serialize properties into /tmp/CTLFireability14243446214191805041.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability17482245402389301148.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability14243446214191805041.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.

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
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -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
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -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="Anderson-PT-10"
export BK_EXAMINATION="Liveness"
export BK_TOOL="gold2025"
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 2-5973"
echo " Executing tool gold2025"
echo " Input is Anderson-PT-10, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r016-oct2-177944372600124"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Anderson-PT-10.tgz
mv Anderson-PT-10 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;