Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r056-tall-174854041500037.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is CloudDeployment-PT-5b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r056-tall-174854041500037
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.8M
-rw-r--r-- 1 mcc users 6.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.0K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 88K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 1.5M May 29 14:32 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1748644629181

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudDeployment-PT-5b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-30 22:37:10] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-30 22:37:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 22:37:10] [INFO ] Load time of PNML (sax parser for PT used): 216 ms
[2025-05-30 22:37:10] [INFO ] Transformed 1525 places.
[2025-05-30 22:37:10] [INFO ] Transformed 3132 transitions.
[2025-05-30 22:37:10] [INFO ] Found NUPN structural information;
[2025-05-30 22:37:10] [INFO ] Parsed PT model containing 1525 places and 3132 transitions and 24760 arcs in 336 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1525/1525 places, 3132/3132 transitions.
Graph (trivial) has 1546 edges and 1525 vertex of which 420 / 1525 are part of one of the 40 SCC in 8 ms
Free SCC test removed 380 places
Ensure Unique test removed 425 transitions
Reduce isomorphic transitions removed 425 transitions.
Ensure Unique test removed 1 places
Reduce places removed 6 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 554 transitions
Trivial Post-agglo rules discarded 554 transitions
Performed 554 trivial Post agglomeration. Transition count delta: 554
Iterating post reduction 0 with 560 rules applied. Total rules applied 561 place count 1139 transition count 2153
Reduce places removed 554 places and 0 transitions.
Iterating post reduction 1 with 554 rules applied. Total rules applied 1115 place count 585 transition count 2153
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 20 Pre rules applied. Total rules applied 1115 place count 585 transition count 2133
Deduced a syphon composed of 20 places in 10 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 1155 place count 565 transition count 2133
Performed 330 Post agglomeration using F-continuation condition.Transition count delta: 330
Deduced a syphon composed of 330 places in 3 ms
Reduce places removed 330 places and 0 transitions.
Iterating global reduction 2 with 660 rules applied. Total rules applied 1815 place count 235 transition count 1803
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 2 with 20 rules applied. Total rules applied 1835 place count 235 transition count 1783
Performed 30 Post agglomeration using F-continuation condition with reduction of 80 identical transitions.
Deduced a syphon composed of 30 places in 2 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 1895 place count 205 transition count 1928
Applied a total of 1895 rules in 242 ms. Remains 205 /1525 variables (removed 1320) and now considering 1928/3132 (removed 1204) transitions.
[2025-05-30 22:37:11] [INFO ] Flow matrix only has 1734 transitions (discarded 194 similar events)
// Phase 1: matrix 1734 rows 205 cols
[2025-05-30 22:37:11] [INFO ] Computed 15 invariants in 48 ms
[2025-05-30 22:37:12] [INFO ] Implicit Places using invariants in 1522 ms returned []
[2025-05-30 22:37:12] [INFO ] Flow matrix only has 1734 transitions (discarded 194 similar events)
[2025-05-30 22:37:12] [INFO ] Invariant cache hit.
[2025-05-30 22:37:13] [INFO ] State equation strengthened by 306 read => feed constraints.
[2025-05-30 22:37:16] [INFO ] Implicit Places using invariants and state equation in 3766 ms returned []
Implicit Place search using SMT with State Equation took 5320 ms to find 0 implicit places.
Running 1927 sub problems to find dead transitions.
[2025-05-30 22:37:16] [INFO ] Flow matrix only has 1734 transitions (discarded 194 similar events)
[2025-05-30 22:37:16] [INFO ] Invariant cache hit.
[2025-05-30 22:37:16] [INFO ] State equation strengthened by 306 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/204 variables, 204/204 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/204 variables, 15/219 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/204 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
At refinement iteration 3 (OVERLAPS) 1733/1937 variables, 204/423 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
SMT process timed out in 51951ms, After SMT, problems are : Problem set: 0 solved, 1927 unsolved
Search for dead transitions found 0 dead transitions in 51998ms
Starting structural reductions in LIVENESS mode, iteration 1 : 205/1525 places, 1928/3132 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 57604 ms. Remains : 205/1525 places, 1928/3132 transitions.
Discarding 646 transitions out of 1928. Remains 1282
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (1290 resets) in 4671 ms. (8 steps per ms) remains 1157/1281 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1157/1157 properties
[2025-05-30 22:38:10] [INFO ] Flow matrix only has 1734 transitions (discarded 194 similar events)
[2025-05-30 22:38:10] [INFO ] Invariant cache hit.
[2025-05-30 22:38:10] [INFO ] State equation strengthened by 306 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/171 variables, 171/171 constraints. Problems are: Problem set: 0 solved, 1157 unsolved
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
(s2 1.0)
(s3 1.0)
(s5 1.0)
(s7 1.0)
(s8 1.0)
(s9 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)
(s38 1.0)
(s40 1.0)
(s41 1.0)
(s42 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)
(s73 1.0)
(s74 1.0)
(s75 1.0)
(s79 1.0)
(s80 1.0)
(s81 1.0)
(s82 1.0)
(s83 1.0)
(s84 1.0)
(s85 1.0)
(s86 1.0)
(s87 1.0)
(s88 1.0)
(s89 1.0)
(s90 1.0)
(s91 1.0)
(s92 1.0)
(s93 1.0)
(s94 1.0)
(s95 1.0)
(s96 1.0)
(s97 1.0)
(s98 1.0)
(s99 1.0)
(s100 1.0)
(s101 1.0)
(s102 1.0)
(s104 1.0)
(s106 1.0)
(s107 1.0)
(s108 1.0)
(s112 1.0)
(s113 1.0)
(s114 1.0)
(s115 1.0)
(s116 1.0)
(s117 1.0)
(s118 1.0)
(s119 1.0)
(s120 1.0)
(s121 1.0)
(s122 1.0)
(s123 1.0)
(s124 1.0)
(s125 1.0)
(s126 1.0)
(s127 1.0)
(s128 1.0)
(s129 1.0)
(s130 1.0)
(s131 1.0)
(s132 1.0)
(s133 1.0)
(s134 1.0)
(s135 1.0)
(s136 1.0)
(s137 1.0)
(s139 1.0)
(s140 timeout
1.0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 171/1939 variables, and 171 constraints, problems are : Problem set: 0 solved, 1157 unsolved in 5041 ms.
Refiners :[Domain max(s): 171/205 constraints, Generalized P Invariants (flows): 0/15 constraints, State Equation: 0/205 constraints, ReadFeed: 0/306 constraints, PredecessorRefiner: 1157/133 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1157 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/171 variables, 171/171 constraints. Problems are: Problem set: 0 solved, 1157 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/171 variables, 0/171 constraints. Problems are: Problem set: 0 solved, 1157 unsolved
At refinement iteration 2 (OVERLAPS) 33/204 variables, 15/186 constraints. Problems are: Problem set: 0 solved, 1157 unsolved
SMT process timed out in 28245ms, After SMT, problems are : Problem set: 0 solved, 1157 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 171 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1928/1928 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 45 transitions
Reduce isomorphic transitions removed 45 transitions.
Iterating post reduction 0 with 45 rules applied. Total rules applied 45 place count 205 transition count 1883
Drop transitions (Redundant composition of simpler transitions.) removed 100 transitions
Redundant transition composition rules discarded 100 transitions
Iterating global reduction 1 with 100 rules applied. Total rules applied 145 place count 205 transition count 1783
Applied a total of 145 rules in 109 ms. Remains 205 /205 variables (removed 0) and now considering 1783/1928 (removed 145) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 110 ms. Remains : 205/205 places, 1783/1928 transitions.
RANDOM walk for 2164258 steps (68503 resets) in 120004 ms. (18 steps per ms) remains 1144/1157 properties
BEST_FIRST walk for 4004 steps (9 resets) in 56 ms. (70 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (9 resets) in 40 ms. (97 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (9 resets) in 23 ms. (166 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (9 resets) in 21 ms. (182 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4003 steps (10 resets) in 19 ms. (200 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4003 steps (9 resets) in 17 ms. (222 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (11 resets) in 21 ms. (182 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4003 steps (9 resets) in 18 ms. (210 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (14 resets) in 26 ms. (148 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (13 resets) in 24 ms. (160 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (12 resets) in 46 ms. (85 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4002 steps (12 resets) in 34 ms. (114 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (14 resets) in 27 ms. (143 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (12 resets) in 23 ms. (166 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (12 resets) in 23 ms. (166 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4003 steps (12 resets) in 25 ms. (153 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4001 steps (11 resets) in 26 ms. (148 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (11 resets) in 25 ms. (154 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (12 resets) in 23 ms. (166 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4003 steps (10 resets) in 23 ms. (166 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (12 resets) in 26 ms. (148 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (11 resets) in 36 ms. (108 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (10 resets) in 31 ms. (125 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (10 resets) in 26 ms. (148 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (15 resets) in 27 ms. (143 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (13 resets) in 26 ms. (148 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4003 steps (13 resets) in 25 ms. (153 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (12 resets) in 26 ms. (148 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (14 resets) in 25 ms. (154 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4003 steps (14 resets) in 21 ms. (181 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (13 resets) in 23 ms. (166 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (12 resets) in 23 ms. (166 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (13 resets) in 36 ms. (108 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (12 resets) in 32 ms. (121 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (12 resets) in 28 ms. (138 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (10 resets) in 21 ms. (182 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4003 steps (13 resets) in 27 ms. (142 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (12 resets) in 24 ms. (160 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (12 resets) in 24 ms. (160 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (10 resets) in 26 ms. (148 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4003 steps (17 resets) in 25 ms. (153 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (15 resets) in 33 ms. (117 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4003 steps (14 resets) in 29 ms. (133 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (15 resets) in 30 ms. (129 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (16 resets) in 24 ms. (160 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (16 resets) in 25 ms. (154 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4004 steps (16 resets) in 26 ms. (148 steps per ms) remains 1144/1144 properties
BEST_FIRST walk for 4003 steps (13 resets) in 26 ms. (148 steps per ms) remains 1144/1144 properties
Probabilistic random walk after 1000000 steps, saw 135875 distinct states, run finished after 17427 ms. (steps per millisecond=57 ) properties seen :0
[2025-05-30 22:39:26] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
// Phase 1: matrix 1633 rows 205 cols
[2025-05-30 22:39:26] [INFO ] Computed 15 invariants in 37 ms
[2025-05-30 22:39:26] [INFO ] State equation strengthened by 225 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/158 variables, 158/158 constraints. Problems are: Problem set: 0 solved, 1144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/158 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 1144 unsolved
At refinement iteration 2 (OVERLAPS) 35/193 variables, 15/173 constraints. Problems are: Problem set: 0 solved, 1144 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 35/208 constraints. Problems are: Problem set: 0 solved, 1144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1144 unsolved
At refinement iteration 5 (OVERLAPS) 1632/1825 variables, 193/401 constraints. Problems are: Problem set: 0 solved, 1144 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1825 variables, 224/625 constraints. Problems are: Problem set: 0 solved, 1144 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1825/1838 variables, and 625 constraints, problems are : Problem set: 0 solved, 1144 unsolved in 45034 ms.
Refiners :[Domain max(s): 193/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 193/205 constraints, ReadFeed: 224/225 constraints, PredecessorRefiner: 1144/120 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1144 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/158 variables, 158/158 constraints. Problems are: Problem set: 0 solved, 1144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/158 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 1144 unsolved
At refinement iteration 2 (OVERLAPS) 35/193 variables, 15/173 constraints. Problems are: Problem set: 0 solved, 1144 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 35/208 constraints. Problems are: Problem set: 0 solved, 1144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1144 unsolved
At refinement iteration 5 (OVERLAPS) 1632/1825 variables, 193/401 constraints. Problems are: Problem set: 0 solved, 1144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1825 variables, 224/625 constraints. Problems are: Problem set: 0 solved, 1144 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1825/1838 variables, and 637 constraints, problems are : Problem set: 0 solved, 1144 unsolved in 45043 ms.
Refiners :[Domain max(s): 193/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 193/205 constraints, ReadFeed: 224/225 constraints, PredecessorRefiner: 1036/120 constraints, Known Traps: 0/0 constraints]
After SMT, in 109251ms problems are : Problem set: 0 solved, 1144 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 158 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Applied a total of 0 rules in 65 ms. Remains 205 /205 variables (removed 0) and now considering 1783/1783 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 205/205 places, 1783/1783 transitions.
RANDOM walk for 1967529 steps (62248 resets) in 120004 ms. (16 steps per ms) remains 1143/1144 properties
BEST_FIRST walk for 4004 steps (9 resets) in 43 ms. (91 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4003 steps (10 resets) in 21 ms. (181 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (10 resets) in 21 ms. (182 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (9 resets) in 20 ms. (190 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4003 steps (9 resets) in 19 ms. (200 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (10 resets) in 19 ms. (200 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4003 steps (15 resets) in 26 ms. (148 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4003 steps (14 resets) in 22 ms. (174 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (12 resets) in 21 ms. (182 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (12 resets) in 21 ms. (182 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (15 resets) in 23 ms. (166 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (12 resets) in 22 ms. (174 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (12 resets) in 23 ms. (166 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (11 resets) in 21 ms. (182 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (14 resets) in 23 ms. (166 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (12 resets) in 22 ms. (174 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4003 steps (11 resets) in 23 ms. (166 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4003 steps (10 resets) in 20 ms. (190 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (11 resets) in 23 ms. (166 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (12 resets) in 23 ms. (166 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (11 resets) in 23 ms. (166 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (11 resets) in 23 ms. (166 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4003 steps (15 resets) in 24 ms. (160 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (16 resets) in 22 ms. (174 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (13 resets) in 23 ms. (166 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (12 resets) in 21 ms. (182 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (14 resets) in 22 ms. (174 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (12 resets) in 21 ms. (182 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4003 steps (13 resets) in 21 ms. (181 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (12 resets) in 24 ms. (160 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4003 steps (12 resets) in 22 ms. (174 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4003 steps (12 resets) in 22 ms. (174 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (12 resets) in 22 ms. (174 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (11 resets) in 18 ms. (210 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4002 steps (11 resets) in 23 ms. (166 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (11 resets) in 22 ms. (174 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (9 resets) in 23 ms. (166 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (10 resets) in 19 ms. (200 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (16 resets) in 23 ms. (166 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (16 resets) in 25 ms. (154 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (15 resets) in 24 ms. (160 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (16 resets) in 24 ms. (160 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4003 steps (16 resets) in 24 ms. (160 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (16 resets) in 24 ms. (160 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (14 resets) in 25 ms. (154 steps per ms) remains 1143/1143 properties
BEST_FIRST walk for 4004 steps (13 resets) in 24 ms. (160 steps per ms) remains 1143/1143 properties
Probabilistic random walk after 1000000 steps, saw 135875 distinct states, run finished after 17629 ms. (steps per millisecond=56 ) properties seen :0
[2025-05-30 22:42:04] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:42:04] [INFO ] Invariant cache hit.
[2025-05-30 22:42:04] [INFO ] State equation strengthened by 225 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/157 variables, 157/157 constraints. Problems are: Problem set: 0 solved, 1143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/157 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 1143 unsolved
At refinement iteration 2 (OVERLAPS) 35/192 variables, 15/172 constraints. Problems are: Problem set: 0 solved, 1143 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 35/207 constraints. Problems are: Problem set: 0 solved, 1143 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1143 unsolved
At refinement iteration 5 (OVERLAPS) 1632/1824 variables, 192/399 constraints. Problems are: Problem set: 0 solved, 1143 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1824 variables, 224/623 constraints. Problems are: Problem set: 0 solved, 1143 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1824 variables, 0/623 constraints. Problems are: Problem set: 0 solved, 1143 unsolved
SMT process timed out in 94000ms, After SMT, problems are : Problem set: 0 solved, 1143 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 157 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Applied a total of 0 rules in 37 ms. Remains 205 /205 variables (removed 0) and now considering 1783/1783 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 205/205 places, 1783/1783 transitions.
RANDOM walk for 1571185 steps (49650 resets) in 120004 ms. (13 steps per ms) remains 1142/1143 properties
BEST_FIRST walk for 4003 steps (9 resets) in 34 ms. (114 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (9 resets) in 20 ms. (190 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (10 resets) in 26 ms. (148 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (10 resets) in 21 ms. (181 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (8 resets) in 23 ms. (166 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (9 resets) in 20 ms. (190 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (9 resets) in 21 ms. (182 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (13 resets) in 35 ms. (111 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (14 resets) in 27 ms. (143 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (12 resets) in 29 ms. (133 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 34 ms. (114 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (13 resets) in 40 ms. (97 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (12 resets) in 27 ms. (142 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (11 resets) in 33 ms. (117 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (11 resets) in 42 ms. (93 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 54 ms. (72 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 27 ms. (143 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4002 steps (12 resets) in 32 ms. (121 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (13 resets) in 35 ms. (111 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (10 resets) in 25 ms. (154 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (11 resets) in 24 ms. (160 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (10 resets) in 29 ms. (133 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (9 resets) in 27 ms. (142 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (15 resets) in 31 ms. (125 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (15 resets) in 32 ms. (121 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 38 ms. (102 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 27 ms. (143 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (15 resets) in 33 ms. (117 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (14 resets) in 59 ms. (66 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (13 resets) in 33 ms. (117 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 30 ms. (129 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (11 resets) in 37 ms. (105 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 27 ms. (143 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4002 steps (12 resets) in 30 ms. (129 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (12 resets) in 46 ms. (85 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 33 ms. (117 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (11 resets) in 32 ms. (121 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 30 ms. (129 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (10 resets) in 31 ms. (125 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (16 resets) in 33 ms. (117 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (16 resets) in 35 ms. (111 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (15 resets) in 60 ms. (65 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (14 resets) in 25 ms. (154 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (16 resets) in 32 ms. (121 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (16 resets) in 34 ms. (114 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (13 resets) in 35 ms. (111 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (14 resets) in 34 ms. (114 steps per ms) remains 1142/1142 properties
Probabilistic random walk after 1000000 steps, saw 135875 distinct states, run finished after 21116 ms. (steps per millisecond=47 ) properties seen :0
[2025-05-30 22:44:29] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:44:29] [INFO ] Invariant cache hit.
[2025-05-30 22:44:29] [INFO ] State equation strengthened by 225 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/156 variables, 156/156 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/156 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 2 (OVERLAPS) 35/191 variables, 15/171 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/191 variables, 35/206 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 5 (OVERLAPS) 1632/1823 variables, 191/397 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1823 variables, 224/621 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1823 variables, 0/621 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
SMT process timed out in 108343ms, After SMT, problems are : Problem set: 0 solved, 1142 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 156 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Applied a total of 0 rules in 23 ms. Remains 205 /205 variables (removed 0) and now considering 1783/1783 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 205/205 places, 1783/1783 transitions.
RANDOM walk for 1040369 steps (32892 resets) in 120004 ms. (8 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (11 resets) in 28 ms. (138 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (9 resets) in 26 ms. (148 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (9 resets) in 30 ms. (129 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (8 resets) in 40 ms. (97 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (10 resets) in 18 ms. (210 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (9 resets) in 19 ms. (200 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (10 resets) in 39 ms. (100 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (8 resets) in 30 ms. (129 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4002 steps (13 resets) in 35 ms. (111 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (14 resets) in 48 ms. (81 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 30 ms. (129 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (13 resets) in 26 ms. (148 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 47 ms. (83 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4002 steps (12 resets) in 32 ms. (121 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 47 ms. (83 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 41 ms. (95 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (13 resets) in 24 ms. (160 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (13 resets) in 30 ms. (129 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (12 resets) in 33 ms. (117 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (11 resets) in 36 ms. (108 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (10 resets) in 37 ms. (105 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (12 resets) in 28 ms. (138 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (11 resets) in 38 ms. (102 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (10 resets) in 19 ms. (200 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (14 resets) in 43 ms. (90 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (15 resets) in 29 ms. (133 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 38 ms. (102 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (12 resets) in 40 ms. (97 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (14 resets) in 29 ms. (133 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 43 ms. (91 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (13 resets) in 43 ms. (91 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 24 ms. (160 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (13 resets) in 32 ms. (121 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 44 ms. (88 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (13 resets) in 42 ms. (93 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 20 ms. (190 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (12 resets) in 43 ms. (90 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (11 resets) in 43 ms. (90 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (11 resets) in 22 ms. (174 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (10 resets) in 27 ms. (143 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (16 resets) in 42 ms. (93 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (15 resets) in 32 ms. (121 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (15 resets) in 47 ms. (83 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (14 resets) in 31 ms. (125 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (16 resets) in 41 ms. (95 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (15 resets) in 24 ms. (160 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4001 steps (12 resets) in 34 ms. (114 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (13 resets) in 43 ms. (91 steps per ms) remains 1142/1142 properties
Probabilistic random walk after 1000000 steps, saw 135875 distinct states, run finished after 17643 ms. (steps per millisecond=56 ) properties seen :0
[2025-05-30 22:47:06] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:47:06] [INFO ] Invariant cache hit.
[2025-05-30 22:47:06] [INFO ] State equation strengthened by 225 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/156 variables, 156/156 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/156 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 2 (OVERLAPS) 35/191 variables, 15/171 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/191 variables, 35/206 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 5 (OVERLAPS) 1632/1823 variables, 191/397 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1823 variables, 224/621 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1823 variables, 0/621 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
SMT process timed out in 125553ms, After SMT, problems are : Problem set: 0 solved, 1142 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 156 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Applied a total of 0 rules in 23 ms. Remains 205 /205 variables (removed 0) and now considering 1783/1783 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 205/205 places, 1783/1783 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Applied a total of 0 rules in 29 ms. Remains 205 /205 variables (removed 0) and now considering 1783/1783 (removed 0) transitions.
[2025-05-30 22:49:12] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:49:12] [INFO ] Invariant cache hit.
[2025-05-30 22:49:12] [INFO ] Implicit Places using invariants in 88 ms returned []
[2025-05-30 22:49:12] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:49:12] [INFO ] Invariant cache hit.
[2025-05-30 22:49:12] [INFO ] State equation strengthened by 225 read => feed constraints.
[2025-05-30 22:49:12] [INFO ] Implicit Places using invariants and state equation in 544 ms returned []
Implicit Place search using SMT with State Equation took 635 ms to find 0 implicit places.
[2025-05-30 22:49:13] [INFO ] Redundant transitions in 604 ms returned []
Running 1782 sub problems to find dead transitions.
[2025-05-30 22:49:13] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:49:13] [INFO ] Invariant cache hit.
[2025-05-30 22:49:13] [INFO ] State equation strengthened by 225 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/204 variables, 204/204 constraints. Problems are: Problem set: 0 solved, 1782 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/204 variables, 15/219 constraints. Problems are: Problem set: 0 solved, 1782 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/204 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1782 unsolved
At refinement iteration 3 (OVERLAPS) 1633/1837 variables, 204/423 constraints. Problems are: Problem set: 0 solved, 1782 unsolved
SMT process timed out in 52533ms, After SMT, problems are : Problem set: 0 solved, 1782 unsolved
Search for dead transitions found 0 dead transitions in 52554ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53852 ms. Remains : 205/205 places, 1783/1783 transitions.
RANDOM walk for 400000 steps (12662 resets) in 9774 ms. (40 steps per ms) remains 62/156 properties
Running SMT prover for 62 properties.
[2025-05-30 22:50:09] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:50:09] [INFO ] Invariant cache hit.
[2025-05-30 22:50:09] [INFO ] [Real]Absence check using 0 positive and 15 generalized place invariants in 4 ms returned sat
SMT process timed out, exceeded limit of 100
[2025-05-30 22:50:10] [INFO ] After 1171ms SMT Verify possible using After timeout in real domain returned unsat :0 sat :62
[2025-05-30 22:50:10] [INFO ] After 1269ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :62
RANDOM walk for 864759 steps (27324 resets) in 120004 ms. (7 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (9 resets) in 31 ms. (125 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (8 resets) in 32 ms. (121 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (10 resets) in 44 ms. (88 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (10 resets) in 32 ms. (121 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (9 resets) in 25 ms. (154 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (9 resets) in 26 ms. (148 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (14 resets) in 34 ms. (114 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (13 resets) in 24 ms. (160 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (11 resets) in 43 ms. (91 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (11 resets) in 43 ms. (91 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (13 resets) in 31 ms. (125 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (13 resets) in 36 ms. (108 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (11 resets) in 45 ms. (87 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (10 resets) in 23 ms. (166 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (11 resets) in 48 ms. (81 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 26 ms. (148 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 37 ms. (105 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 31 ms. (125 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 45 ms. (87 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (10 resets) in 30 ms. (129 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (10 resets) in 43 ms. (91 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 39 ms. (100 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (14 resets) in 44 ms. (88 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (14 resets) in 42 ms. (93 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (13 resets) in 43 ms. (91 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (11 resets) in 28 ms. (138 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (14 resets) in 49 ms. (80 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (15 resets) in 27 ms. (143 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (13 resets) in 45 ms. (87 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (12 resets) in 49 ms. (80 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (13 resets) in 39 ms. (100 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (13 resets) in 38 ms. (102 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (12 resets) in 23 ms. (166 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (11 resets) in 34 ms. (114 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (11 resets) in 31 ms. (125 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (11 resets) in 44 ms. (88 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (11 resets) in 42 ms. (93 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (10 resets) in 24 ms. (160 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (16 resets) in 44 ms. (88 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (16 resets) in 52 ms. (75 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (13 resets) in 48 ms. (81 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (14 resets) in 26 ms. (148 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (16 resets) in 46 ms. (85 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4002 steps (15 resets) in 50 ms. (78 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4004 steps (13 resets) in 25 ms. (154 steps per ms) remains 1142/1142 properties
BEST_FIRST walk for 4003 steps (13 resets) in 26 ms. (148 steps per ms) remains 1142/1142 properties
Probabilistic random walk after 1000000 steps, saw 135875 distinct states, run finished after 17837 ms. (steps per millisecond=56 ) properties seen :0
[2025-05-30 22:50:59] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:50:59] [INFO ] Invariant cache hit.
[2025-05-30 22:50:59] [INFO ] State equation strengthened by 225 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/156 variables, 156/156 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/156 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 2 (OVERLAPS) 35/191 variables, 15/171 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/191 variables, 35/206 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 5 (OVERLAPS) 1632/1823 variables, 191/397 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1823 variables, 224/621 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1823 variables, 0/621 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
SMT process timed out in 139171ms, After SMT, problems are : Problem set: 0 solved, 1142 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 156 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Applied a total of 0 rules in 24 ms. Remains 205 /205 variables (removed 0) and now considering 1783/1783 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 205/205 places, 1783/1783 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Applied a total of 0 rules in 21 ms. Remains 205 /205 variables (removed 0) and now considering 1783/1783 (removed 0) transitions.
[2025-05-30 22:53:18] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:53:18] [INFO ] Invariant cache hit.
[2025-05-30 22:53:18] [INFO ] Implicit Places using invariants in 79 ms returned []
[2025-05-30 22:53:18] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:53:18] [INFO ] Invariant cache hit.
[2025-05-30 22:53:18] [INFO ] State equation strengthened by 225 read => feed constraints.
[2025-05-30 22:53:18] [INFO ] Implicit Places using invariants and state equation in 486 ms returned []
Implicit Place search using SMT with State Equation took 567 ms to find 0 implicit places.
[2025-05-30 22:53:19] [INFO ] Redundant transitions in 279 ms returned []
Running 1782 sub problems to find dead transitions.
[2025-05-30 22:53:19] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:53:19] [INFO ] Invariant cache hit.
[2025-05-30 22:53:19] [INFO ] State equation strengthened by 225 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/204 variables, 204/204 constraints. Problems are: Problem set: 0 solved, 1782 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/204 variables, 15/219 constraints. Problems are: Problem set: 0 solved, 1782 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/204 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1782 unsolved
At refinement iteration 3 (OVERLAPS) 1633/1837 variables, 204/423 constraints. Problems are: Problem set: 0 solved, 1782 unsolved
SMT process timed out in 50941ms, After SMT, problems are : Problem set: 0 solved, 1782 unsolved
Search for dead transitions found 0 dead transitions in 50960ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51850 ms. Remains : 205/205 places, 1783/1783 transitions.
RANDOM walk for 400000 steps (12660 resets) in 10907 ms. (36 steps per ms) remains 60/156 properties
Running SMT prover for 60 properties.
[2025-05-30 22:54:13] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:54:13] [INFO ] Invariant cache hit.
[2025-05-30 22:54:13] [INFO ] [Real]Absence check using 0 positive and 15 generalized place invariants in 3 ms returned sat
SMT process timed out, exceeded limit of 100
[2025-05-30 22:54:14] [INFO ] After 891ms SMT Verify possible using After timeout in real domain returned unsat :0 sat :60
[2025-05-30 22:54:14] [INFO ] After 982ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :60
RANDOM walk for 40000 steps (1257 resets) in 259 ms. (153 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (89 resets) in 61 ms. (645 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 499078 steps, run timeout after 3001 ms. (steps per millisecond=166 ) properties seen :0 out of 1
Probabilistic random walk after 499078 steps, saw 79349 distinct states, run finished after 3006 ms. (steps per millisecond=166 ) properties seen :0
[2025-05-30 22:54:17] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:54:17] [INFO ] Invariant cache hit.
[2025-05-30 22:54:17] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 287/297 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/297 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/391 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/391 variables, 94/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/391 variables, 6/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/391 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1401/1792 variables, 158/302 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1792 variables, 70/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1792 variables, 190/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1792 variables, 0/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 46/1838 variables, 27/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 27/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 513 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 287/297 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/297 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/391 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/391 variables, 94/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/391 variables, 6/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/391 variables, 1/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/391 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1401/1792 variables, 158/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1792 variables, 70/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1792 variables, 190/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1792 variables, 0/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 46/1838 variables, 27/590 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 27/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 566 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1097ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 39 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=39 )
Parikh walk visited 1 properties in 6 ms.
RANDOM walk for 40000 steps (1261 resets) in 312 ms. (127 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (81 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 495921 steps, run timeout after 3001 ms. (steps per millisecond=165 ) properties seen :0 out of 1
Probabilistic random walk after 495921 steps, saw 78907 distinct states, run finished after 3001 ms. (steps per millisecond=165 ) properties seen :0
[2025-05-30 22:54:21] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:54:21] [INFO ] Invariant cache hit.
[2025-05-30 22:54:21] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 292/302 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/302 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/302 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/302 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/396 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/396 variables, 94/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/396 variables, 6/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/396 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1399/1795 variables, 159/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1795 variables, 71/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1795 variables, 191/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1795 variables, 0/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 43/1838 variables, 26/591 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 26/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 33/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 532 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 292/302 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/302 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/302 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/302 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/396 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/396 variables, 94/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/396 variables, 6/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/396 variables, 1/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/396 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1399/1795 variables, 159/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1795 variables, 71/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1795 variables, 191/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1795 variables, 0/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 43/1838 variables, 26/592 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 26/618 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 33/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 611 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1161ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 31 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=31 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 40000 steps (1289 resets) in 369 ms. (108 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (83 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 503090 steps, run timeout after 3001 ms. (steps per millisecond=167 ) properties seen :0 out of 1
Probabilistic random walk after 503090 steps, saw 79836 distinct states, run finished after 3001 ms. (steps per millisecond=167 ) properties seen :0
[2025-05-30 22:54:26] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:54:26] [INFO ] Invariant cache hit.
[2025-05-30 22:54:26] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 287/297 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/297 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/391 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/391 variables, 94/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/391 variables, 3/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/391 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1401/1792 variables, 161/302 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1792 variables, 70/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1792 variables, 190/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1792 variables, 0/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 46/1838 variables, 27/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 27/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 518 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 287/297 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/297 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/391 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/391 variables, 94/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/391 variables, 3/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/391 variables, 1/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/391 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1401/1792 variables, 161/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1792 variables, 70/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1792 variables, 190/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1792 variables, 0/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 46/1838 variables, 27/590 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 27/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 564 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1099ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 40 steps, including 1 resets, run visited all 1 properties in 1 ms. (steps per millisecond=40 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 40000 steps (1262 resets) in 267 ms. (149 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (86 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 496786 steps, run timeout after 3001 ms. (steps per millisecond=165 ) properties seen :0 out of 1
Probabilistic random walk after 496786 steps, saw 78963 distinct states, run finished after 3001 ms. (steps per millisecond=165 ) properties seen :0
[2025-05-30 22:54:30] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:54:30] [INFO ] Invariant cache hit.
[2025-05-30 22:54:30] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 292/302 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/302 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/302 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/302 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/396 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/396 variables, 94/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/396 variables, 3/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/396 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1399/1795 variables, 162/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1795 variables, 71/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1795 variables, 191/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1795 variables, 0/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 43/1838 variables, 26/591 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 26/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 33/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 524 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 292/302 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/302 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/302 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/302 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/396 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/396 variables, 94/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/396 variables, 3/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/396 variables, 1/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/396 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1399/1795 variables, 162/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1795 variables, 71/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1795 variables, 191/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1795 variables, 0/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 43/1838 variables, 26/592 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 26/618 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 33/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 630 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1184ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 473 steps, including 15 resets, run visited all 1 properties in 4 ms. (steps per millisecond=118 )
Parikh walk visited 1 properties in 7 ms.
RANDOM walk for 40000 steps (1244 resets) in 323 ms. (123 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (86 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 506766 steps, run timeout after 3001 ms. (steps per millisecond=168 ) properties seen :0 out of 1
Probabilistic random walk after 506766 steps, saw 80358 distinct states, run finished after 3001 ms. (steps per millisecond=168 ) properties seen :0
[2025-05-30 22:54:34] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:54:34] [INFO ] Invariant cache hit.
[2025-05-30 22:54:34] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 287/297 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/297 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/391 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/391 variables, 94/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/391 variables, 4/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/391 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1401/1792 variables, 160/302 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1792 variables, 70/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1792 variables, 190/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1792 variables, 0/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 46/1838 variables, 27/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 27/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 521 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 287/297 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/297 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/391 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/391 variables, 94/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/391 variables, 4/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/391 variables, 1/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/391 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1401/1792 variables, 160/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1792 variables, 70/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1792 variables, 190/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1792 variables, 0/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 46/1838 variables, 27/590 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 27/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 535 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1069ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 83 steps, including 2 resets, run visited all 1 properties in 2 ms. (steps per millisecond=41 )
Parikh walk visited 1 properties in 2 ms.
RANDOM walk for 40000 steps (1260 resets) in 254 ms. (156 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (82 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 501924 steps, run timeout after 3001 ms. (steps per millisecond=167 ) properties seen :0 out of 1
Probabilistic random walk after 501924 steps, saw 79744 distinct states, run finished after 3001 ms. (steps per millisecond=167 ) properties seen :0
[2025-05-30 22:54:38] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:54:38] [INFO ] Invariant cache hit.
[2025-05-30 22:54:38] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 292/302 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/302 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/302 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/302 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/396 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/396 variables, 94/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/396 variables, 4/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/396 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1399/1795 variables, 161/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1795 variables, 71/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1795 variables, 191/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1795 variables, 0/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 43/1838 variables, 26/591 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 26/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 33/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 523 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 292/302 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/302 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/302 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/302 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/396 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/396 variables, 94/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/396 variables, 4/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/396 variables, 1/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/396 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1399/1795 variables, 161/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1795 variables, 71/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1795 variables, 191/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1795 variables, 0/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 43/1838 variables, 26/592 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 26/618 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 33/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 601 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1151ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 50 steps, including 1 resets, run visited all 1 properties in 1 ms. (steps per millisecond=50 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 40000 steps (1247 resets) in 262 ms. (152 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (88 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 504323 steps, run timeout after 3001 ms. (steps per millisecond=168 ) properties seen :0 out of 1
Probabilistic random walk after 504323 steps, saw 79922 distinct states, run finished after 3001 ms. (steps per millisecond=168 ) properties seen :0
[2025-05-30 22:54:43] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:54:43] [INFO ] Invariant cache hit.
[2025-05-30 22:54:43] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 286/296 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/296 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/296 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/390 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/390 variables, 94/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 5/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1402/1792 variables, 159/302 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1792 variables, 70/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1792 variables, 190/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1792 variables, 0/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 46/1838 variables, 27/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 27/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 506 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 286/296 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/296 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/296 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/390 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/390 variables, 94/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 5/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/390 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/390 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1402/1792 variables, 159/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1792 variables, 70/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1792 variables, 190/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1792 variables, 0/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 46/1838 variables, 27/590 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 27/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 621 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1145ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 44 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=44 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 40000 steps (1296 resets) in 324 ms. (123 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (88 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 498354 steps, run timeout after 3001 ms. (steps per millisecond=166 ) properties seen :0 out of 1
Probabilistic random walk after 498354 steps, saw 79231 distinct states, run finished after 3002 ms. (steps per millisecond=166 ) properties seen :0
[2025-05-30 22:54:47] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:54:47] [INFO ] Invariant cache hit.
[2025-05-30 22:54:47] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 291/301 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/301 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/301 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/301 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/395 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/395 variables, 94/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/395 variables, 5/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/395 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1400/1795 variables, 160/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1795 variables, 71/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1795 variables, 191/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1795 variables, 0/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 43/1838 variables, 26/591 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 26/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 33/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 527 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 291/301 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/301 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/301 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/301 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/395 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/395 variables, 94/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/395 variables, 5/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/395 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/395 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1400/1795 variables, 160/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1795 variables, 71/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1795 variables, 191/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1795 variables, 0/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 43/1838 variables, 26/592 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 26/618 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 33/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 582 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1126ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 63 steps, including 1 resets, run visited all 1 properties in 1 ms. (steps per millisecond=63 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 40000 steps (1254 resets) in 315 ms. (126 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (83 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 509299 steps, run timeout after 3001 ms. (steps per millisecond=169 ) properties seen :0 out of 1
Probabilistic random walk after 509299 steps, saw 80604 distinct states, run finished after 3002 ms. (steps per millisecond=169 ) properties seen :0
[2025-05-30 22:54:51] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:54:51] [INFO ] Invariant cache hit.
[2025-05-30 22:54:51] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 283/293 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/293 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/293 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/293 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/387 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/387 variables, 94/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/387 variables, 2/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/387 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1405/1792 variables, 162/302 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1792 variables, 70/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1792 variables, 190/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1792 variables, 0/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 46/1838 variables, 27/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 27/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 587 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 283/293 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/293 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/293 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/293 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/387 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/387 variables, 94/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/387 variables, 2/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/387 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/387 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1405/1792 variables, 162/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1792 variables, 70/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1792 variables, 190/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1792 variables, 0/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 46/1838 variables, 27/590 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 27/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 605 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1211ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 63 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=31 )
Parikh walk visited 1 properties in 2 ms.
RANDOM walk for 40000 steps (1273 resets) in 346 ms. (115 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (86 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 495381 steps, run timeout after 3001 ms. (steps per millisecond=165 ) properties seen :0 out of 1
Probabilistic random walk after 495381 steps, saw 78862 distinct states, run finished after 3001 ms. (steps per millisecond=165 ) properties seen :0
[2025-05-30 22:54:55] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:54:55] [INFO ] Invariant cache hit.
[2025-05-30 22:54:55] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 288/298 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/298 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/298 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/392 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/392 variables, 94/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/392 variables, 2/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/392 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1403/1795 variables, 163/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1795 variables, 71/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1795 variables, 191/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1795 variables, 0/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 43/1838 variables, 26/591 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 26/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 33/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 511 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 288/298 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/298 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/298 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/392 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/392 variables, 94/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/392 variables, 2/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/392 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/392 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1403/1795 variables, 163/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1795 variables, 71/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1795 variables, 191/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1795 variables, 0/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 43/1838 variables, 26/592 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 26/618 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 33/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 587 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1116ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 420 steps, including 16 resets, run visited all 1 properties in 3 ms. (steps per millisecond=140 )
Parikh walk visited 1 properties in 3 ms.
RANDOM walk for 504 steps (13 resets) in 8 ms. (56 steps per ms) remains 0/1 properties
RANDOM walk for 176 steps (4 resets) in 6 ms. (25 steps per ms) remains 0/1 properties
RANDOM walk for 2903 steps (91 resets) in 43 ms. (65 steps per ms) remains 0/1 properties
RANDOM walk for 332 steps (10 resets) in 8 ms. (36 steps per ms) remains 0/1 properties
RANDOM walk for 204 steps (5 resets) in 6 ms. (29 steps per ms) remains 0/1 properties
RANDOM walk for 1198 steps (34 resets) in 17 ms. (66 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1272 resets) in 311 ms. (128 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (82 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 509412 steps, run timeout after 3001 ms. (steps per millisecond=169 ) properties seen :0 out of 1
Probabilistic random walk after 509412 steps, saw 80621 distinct states, run finished after 3002 ms. (steps per millisecond=169 ) properties seen :0
[2025-05-30 22:55:00] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:55:00] [INFO ] Invariant cache hit.
[2025-05-30 22:55:00] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 8/9 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 95/104 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 95/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 476 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 8/9 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 95/104 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 95/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 768 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1270ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 43 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 204 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 513 transitions
Reduce isomorphic transitions removed 513 transitions.
Iterating post reduction 0 with 513 rules applied. Total rules applied 514 place count 204 transition count 1270
Ensure Unique test removed 1 places
Iterating post reduction 1 with 1 rules applied. Total rules applied 515 place count 203 transition count 1270
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 527 place count 191 transition count 756
Iterating global reduction 2 with 12 rules applied. Total rules applied 539 place count 191 transition count 756
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 541 place count 189 transition count 754
Iterating global reduction 2 with 2 rules applied. Total rules applied 543 place count 189 transition count 754
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 544 place count 188 transition count 753
Iterating global reduction 2 with 1 rules applied. Total rules applied 545 place count 188 transition count 753
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 565 place count 178 transition count 833
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 575 place count 178 transition count 823
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 3 with 85 rules applied. Total rules applied 660 place count 178 transition count 738
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 3 with 50 rules applied. Total rules applied 710 place count 178 transition count 668
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Iterating post reduction 3 with 195 rules applied. Total rules applied 905 place count 128 transition count 523
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 910 place count 123 transition count 493
Iterating global reduction 4 with 5 rules applied. Total rules applied 915 place count 123 transition count 493
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 990 place count 123 transition count 418
Partial Free-agglomeration rule applied 20 times.
Drop transitions (Partial Free agglomeration) removed 20 transitions
Iterating global reduction 4 with 20 rules applied. Total rules applied 1010 place count 123 transition count 418
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 1011 place count 122 transition count 417
Applied a total of 1011 rules in 146 ms. Remains 122 /205 variables (removed 83) and now considering 417/1783 (removed 1366) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 148 ms. Remains : 122/205 places, 417/1783 transitions.
RANDOM walk for 40000 steps (796 resets) in 1014 ms. (39 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (106 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1251486 steps, run timeout after 3001 ms. (steps per millisecond=417 ) properties seen :0 out of 1
Probabilistic random walk after 1251486 steps, saw 201571 distinct states, run finished after 3001 ms. (steps per millisecond=417 ) properties seen :0
[2025-05-30 22:55:05] [INFO ] Flow matrix only has 222 transitions (discarded 195 similar events)
// Phase 1: matrix 222 rows 122 cols
[2025-05-30 22:55:05] [INFO ] Computed 15 invariants in 9 ms
[2025-05-30 22:55:05] [INFO ] State equation strengthened by 7 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 47/52 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 117/169 variables, 52/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/279 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/279 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 55/334 variables, 30/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/334 variables, 5/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/344 variables, 10/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/344 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/344 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 344/344 variables, and 144 constraints, problems are : Problem set: 0 solved, 1 unsolved in 106 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 122/122 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 47/52 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 117/169 variables, 52/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/279 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/279 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/279 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 55/334 variables, 30/130 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 5/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/334 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/344 variables, 10/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/344 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/344 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 344/344 variables, and 145 constraints, problems are : Problem set: 0 solved, 1 unsolved in 139 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 122/122 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 263ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 37 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=37 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 40000 steps (1277 resets) in 286 ms. (139 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (83 resets) in 63 ms. (625 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 538819 steps, run timeout after 3001 ms. (steps per millisecond=179 ) properties seen :0 out of 1
Probabilistic random walk after 538819 steps, saw 83668 distinct states, run finished after 3002 ms. (steps per millisecond=179 ) properties seen :0
[2025-05-30 22:55:08] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
// Phase 1: matrix 1633 rows 205 cols
[2025-05-30 22:55:08] [INFO ] Computed 15 invariants in 18 ms
[2025-05-30 22:55:08] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 94/104 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 94/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 489 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 94/104 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 94/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 794 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1328ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 41 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 204 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 513 transitions
Reduce isomorphic transitions removed 513 transitions.
Iterating post reduction 0 with 513 rules applied. Total rules applied 514 place count 204 transition count 1270
Ensure Unique test removed 1 places
Iterating post reduction 1 with 1 rules applied. Total rules applied 515 place count 203 transition count 1270
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 527 place count 191 transition count 756
Iterating global reduction 2 with 12 rules applied. Total rules applied 539 place count 191 transition count 756
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 541 place count 189 transition count 754
Iterating global reduction 2 with 2 rules applied. Total rules applied 543 place count 189 transition count 754
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 544 place count 188 transition count 753
Iterating global reduction 2 with 1 rules applied. Total rules applied 545 place count 188 transition count 753
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 565 place count 178 transition count 833
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 575 place count 178 transition count 823
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 3 with 85 rules applied. Total rules applied 660 place count 178 transition count 738
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 3 with 50 rules applied. Total rules applied 710 place count 178 transition count 668
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Iterating post reduction 3 with 195 rules applied. Total rules applied 905 place count 128 transition count 523
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 910 place count 123 transition count 493
Iterating global reduction 4 with 5 rules applied. Total rules applied 915 place count 123 transition count 493
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 990 place count 123 transition count 418
Partial Free-agglomeration rule applied 20 times.
Drop transitions (Partial Free agglomeration) removed 20 transitions
Iterating global reduction 4 with 20 rules applied. Total rules applied 1010 place count 123 transition count 418
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 1011 place count 122 transition count 417
Applied a total of 1011 rules in 109 ms. Remains 122 /205 variables (removed 83) and now considering 417/1783 (removed 1366) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 109 ms. Remains : 122/205 places, 417/1783 transitions.
RANDOM walk for 40000 steps (802 resets) in 127 ms. (312 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (103 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1269767 steps, run timeout after 3001 ms. (steps per millisecond=423 ) properties seen :0 out of 1
Probabilistic random walk after 1269767 steps, saw 204460 distinct states, run finished after 3002 ms. (steps per millisecond=422 ) properties seen :0
[2025-05-30 22:55:12] [INFO ] Flow matrix only has 222 transitions (discarded 195 similar events)
// Phase 1: matrix 222 rows 122 cols
[2025-05-30 22:55:12] [INFO ] Computed 15 invariants in 4 ms
[2025-05-30 22:55:12] [INFO ] State equation strengthened by 7 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 47/52 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 117/169 variables, 52/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/279 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/279 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 55/334 variables, 30/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/334 variables, 5/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/344 variables, 10/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/344 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/344 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 344/344 variables, and 144 constraints, problems are : Problem set: 0 solved, 1 unsolved in 131 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 122/122 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 47/52 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 117/169 variables, 52/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/279 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/279 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/279 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 55/334 variables, 30/130 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 5/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/334 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/344 variables, 10/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/344 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/344 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 344/344 variables, and 145 constraints, problems are : Problem set: 0 solved, 1 unsolved in 142 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 122/122 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 285ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 37 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=37 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 2171 steps (64 resets) in 24 ms. (86 steps per ms) remains 0/1 properties
RANDOM walk for 225 steps (4 resets) in 7 ms. (28 steps per ms) remains 0/1 properties
RANDOM walk for 379 steps (11 resets) in 8 ms. (42 steps per ms) remains 0/1 properties
RANDOM walk for 2109 steps (63 resets) in 19 ms. (105 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1274 resets) in 325 ms. (122 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (80 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 521753 steps, run timeout after 3001 ms. (steps per millisecond=173 ) properties seen :0 out of 1
Probabilistic random walk after 521753 steps, saw 82149 distinct states, run finished after 3001 ms. (steps per millisecond=173 ) properties seen :0
[2025-05-30 22:55:16] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
// Phase 1: matrix 1633 rows 205 cols
[2025-05-30 22:55:16] [INFO ] Computed 15 invariants in 23 ms
[2025-05-30 22:55:16] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 8/9 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 95/104 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 95/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 533 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 8/9 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 95/104 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 95/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 794 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1398ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 45 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 204 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 513 transitions
Reduce isomorphic transitions removed 513 transitions.
Iterating post reduction 0 with 513 rules applied. Total rules applied 514 place count 204 transition count 1270
Ensure Unique test removed 1 places
Iterating post reduction 1 with 1 rules applied. Total rules applied 515 place count 203 transition count 1270
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 527 place count 191 transition count 756
Iterating global reduction 2 with 12 rules applied. Total rules applied 539 place count 191 transition count 756
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 541 place count 189 transition count 754
Iterating global reduction 2 with 2 rules applied. Total rules applied 543 place count 189 transition count 754
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 544 place count 188 transition count 753
Iterating global reduction 2 with 1 rules applied. Total rules applied 545 place count 188 transition count 753
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 565 place count 178 transition count 833
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 575 place count 178 transition count 823
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 3 with 85 rules applied. Total rules applied 660 place count 178 transition count 738
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 3 with 50 rules applied. Total rules applied 710 place count 178 transition count 668
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Iterating post reduction 3 with 195 rules applied. Total rules applied 905 place count 128 transition count 523
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 910 place count 123 transition count 493
Iterating global reduction 4 with 5 rules applied. Total rules applied 915 place count 123 transition count 493
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 990 place count 123 transition count 418
Partial Free-agglomeration rule applied 20 times.
Drop transitions (Partial Free agglomeration) removed 20 transitions
Iterating global reduction 4 with 20 rules applied. Total rules applied 1010 place count 123 transition count 418
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 1011 place count 122 transition count 417
Applied a total of 1011 rules in 115 ms. Remains 122 /205 variables (removed 83) and now considering 417/1783 (removed 1366) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 115 ms. Remains : 122/205 places, 417/1783 transitions.
RANDOM walk for 40000 steps (789 resets) in 155 ms. (256 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (100 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1248492 steps, run timeout after 3001 ms. (steps per millisecond=416 ) properties seen :0 out of 1
Probabilistic random walk after 1248492 steps, saw 201280 distinct states, run finished after 3001 ms. (steps per millisecond=416 ) properties seen :0
[2025-05-30 22:55:21] [INFO ] Flow matrix only has 222 transitions (discarded 195 similar events)
// Phase 1: matrix 222 rows 122 cols
[2025-05-30 22:55:21] [INFO ] Computed 15 invariants in 4 ms
[2025-05-30 22:55:21] [INFO ] State equation strengthened by 7 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 47/52 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 117/169 variables, 52/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/279 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/279 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 55/334 variables, 30/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/334 variables, 5/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/344 variables, 10/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/344 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/344 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 344/344 variables, and 144 constraints, problems are : Problem set: 0 solved, 1 unsolved in 113 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 122/122 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 47/52 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 117/169 variables, 52/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/279 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/279 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/279 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 55/334 variables, 30/130 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 5/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/334 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/344 variables, 10/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/344 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/344 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 344/344 variables, and 145 constraints, problems are : Problem set: 0 solved, 1 unsolved in 136 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 122/122 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 265ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 169 steps, including 6 resets, run visited all 1 properties in 2 ms. (steps per millisecond=84 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 40000 steps (1261 resets) in 270 ms. (147 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (83 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 525704 steps, run timeout after 3001 ms. (steps per millisecond=175 ) properties seen :0 out of 1
Probabilistic random walk after 525704 steps, saw 82477 distinct states, run finished after 3001 ms. (steps per millisecond=175 ) properties seen :0
[2025-05-30 22:55:24] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
// Phase 1: matrix 1633 rows 205 cols
[2025-05-30 22:55:24] [INFO ] Computed 15 invariants in 18 ms
[2025-05-30 22:55:24] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 94/104 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 94/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 483 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 94/104 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 94/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 753 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1280ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 44 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 204 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 513 transitions
Reduce isomorphic transitions removed 513 transitions.
Iterating post reduction 0 with 513 rules applied. Total rules applied 514 place count 204 transition count 1270
Ensure Unique test removed 1 places
Iterating post reduction 1 with 1 rules applied. Total rules applied 515 place count 203 transition count 1270
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 527 place count 191 transition count 756
Iterating global reduction 2 with 12 rules applied. Total rules applied 539 place count 191 transition count 756
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 541 place count 189 transition count 754
Iterating global reduction 2 with 2 rules applied. Total rules applied 543 place count 189 transition count 754
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 544 place count 188 transition count 753
Iterating global reduction 2 with 1 rules applied. Total rules applied 545 place count 188 transition count 753
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 565 place count 178 transition count 833
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 575 place count 178 transition count 823
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 3 with 85 rules applied. Total rules applied 660 place count 178 transition count 738
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 3 with 50 rules applied. Total rules applied 710 place count 178 transition count 668
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Iterating post reduction 3 with 195 rules applied. Total rules applied 905 place count 128 transition count 523
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 910 place count 123 transition count 493
Iterating global reduction 4 with 5 rules applied. Total rules applied 915 place count 123 transition count 493
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 990 place count 123 transition count 418
Partial Free-agglomeration rule applied 20 times.
Drop transitions (Partial Free agglomeration) removed 20 transitions
Iterating global reduction 4 with 20 rules applied. Total rules applied 1010 place count 123 transition count 418
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 1011 place count 122 transition count 417
Applied a total of 1011 rules in 90 ms. Remains 122 /205 variables (removed 83) and now considering 417/1783 (removed 1366) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 91 ms. Remains : 122/205 places, 417/1783 transitions.
RANDOM walk for 40000 steps (797 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (106 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1267626 steps, run timeout after 3001 ms. (steps per millisecond=422 ) properties seen :0 out of 1
Probabilistic random walk after 1267626 steps, saw 204267 distinct states, run finished after 3001 ms. (steps per millisecond=422 ) properties seen :0
[2025-05-30 22:55:28] [INFO ] Flow matrix only has 222 transitions (discarded 195 similar events)
// Phase 1: matrix 222 rows 122 cols
[2025-05-30 22:55:28] [INFO ] Computed 15 invariants in 4 ms
[2025-05-30 22:55:28] [INFO ] State equation strengthened by 7 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/21 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 31/52 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 117/169 variables, 52/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/279 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/279 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 55/334 variables, 30/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/334 variables, 5/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/344 variables, 10/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/344 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/344 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 344/344 variables, and 144 constraints, problems are : Problem set: 0 solved, 1 unsolved in 111 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 122/122 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/21 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 31/52 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 117/169 variables, 52/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/279 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/279 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/279 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 55/334 variables, 30/130 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 5/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/334 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/344 variables, 10/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/344 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/344 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 344/344 variables, and 145 constraints, problems are : Problem set: 0 solved, 1 unsolved in 129 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 122/122 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 251ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 37 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=37 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 4571 steps (140 resets) in 36 ms. (123 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1259 resets) in 262 ms. (152 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (80 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 526236 steps, run timeout after 3001 ms. (steps per millisecond=175 ) properties seen :0 out of 1
Probabilistic random walk after 526236 steps, saw 82543 distinct states, run finished after 3001 ms. (steps per millisecond=175 ) properties seen :0
[2025-05-30 22:55:32] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
// Phase 1: matrix 1633 rows 205 cols
[2025-05-30 22:55:32] [INFO ] Computed 15 invariants in 24 ms
[2025-05-30 22:55:32] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 67/68 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 67/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 36/104 variables, 5/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 36/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 484 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 67/68 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 67/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 36/104 variables, 5/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 36/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 612 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 1166ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 41 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 192 transition count 757
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 192 transition count 757
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 28 place count 190 transition count 755
Iterating global reduction 0 with 2 rules applied. Total rules applied 30 place count 190 transition count 755
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 31 place count 189 transition count 754
Iterating global reduction 0 with 1 rules applied. Total rules applied 32 place count 189 transition count 754
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 52 place count 179 transition count 834
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 62 place count 179 transition count 824
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 1 with 85 rules applied. Total rules applied 147 place count 179 transition count 739
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 1 with 50 rules applied. Total rules applied 197 place count 179 transition count 669
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Iterating post reduction 1 with 195 rules applied. Total rules applied 392 place count 129 transition count 524
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 397 place count 124 transition count 494
Iterating global reduction 2 with 5 rules applied. Total rules applied 402 place count 124 transition count 494
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 2 with 75 rules applied. Total rules applied 477 place count 124 transition count 419
Partial Free-agglomeration rule applied 21 times.
Drop transitions (Partial Free agglomeration) removed 21 transitions
Iterating global reduction 2 with 21 rules applied. Total rules applied 498 place count 124 transition count 419
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 499 place count 123 transition count 418
Applied a total of 499 rules in 92 ms. Remains 123 /205 variables (removed 82) and now considering 418/1783 (removed 1365) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 93 ms. Remains : 123/205 places, 418/1783 transitions.
RANDOM walk for 40000 steps (798 resets) in 194 ms. (205 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (103 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1259263 steps, run timeout after 3001 ms. (steps per millisecond=419 ) properties seen :0 out of 1
Probabilistic random walk after 1259263 steps, saw 202806 distinct states, run finished after 3002 ms. (steps per millisecond=419 ) properties seen :0
[2025-05-30 22:55:36] [INFO ] Flow matrix only has 223 transitions (discarded 195 similar events)
// Phase 1: matrix 223 rows 123 cols
[2025-05-30 22:55:36] [INFO ] Computed 15 invariants in 3 ms
[2025-05-30 22:55:36] [INFO ] State equation strengthened by 7 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 30/53 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 118/171 variables, 53/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/171 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/281 variables, 30/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/281 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/281 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 55/336 variables, 30/130 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/336 variables, 5/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/336 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/346 variables, 10/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/346 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/346 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 346/346 variables, and 145 constraints, problems are : Problem set: 0 solved, 1 unsolved in 132 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 123/123 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 30/53 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 118/171 variables, 53/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/171 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/281 variables, 30/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/281 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/281 variables, 1/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/281 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 55/336 variables, 30/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/336 variables, 5/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/336 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/346 variables, 10/146 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/346 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/346 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 346/346 variables, and 146 constraints, problems are : Problem set: 0 solved, 1 unsolved in 137 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 123/123 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 281ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 103 steps, including 3 resets, run visited all 1 properties in 2 ms. (steps per millisecond=51 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 40000 steps (1263 resets) in 270 ms. (147 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (82 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 529622 steps, run timeout after 3001 ms. (steps per millisecond=176 ) properties seen :0 out of 1
Probabilistic random walk after 529622 steps, saw 83081 distinct states, run finished after 3002 ms. (steps per millisecond=176 ) properties seen :0
[2025-05-30 22:55:39] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
// Phase 1: matrix 1633 rows 205 cols
[2025-05-30 22:55:39] [INFO ] Computed 15 invariants in 9 ms
[2025-05-30 22:55:40] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 8/9 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 95/104 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 95/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 535 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 8/9 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 95/104 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 95/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 783 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1365ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 38 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 204 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 513 transitions
Reduce isomorphic transitions removed 513 transitions.
Iterating post reduction 0 with 513 rules applied. Total rules applied 514 place count 204 transition count 1270
Ensure Unique test removed 1 places
Iterating post reduction 1 with 1 rules applied. Total rules applied 515 place count 203 transition count 1270
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 527 place count 191 transition count 756
Iterating global reduction 2 with 12 rules applied. Total rules applied 539 place count 191 transition count 756
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 541 place count 189 transition count 754
Iterating global reduction 2 with 2 rules applied. Total rules applied 543 place count 189 transition count 754
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 544 place count 188 transition count 753
Iterating global reduction 2 with 1 rules applied. Total rules applied 545 place count 188 transition count 753
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 565 place count 178 transition count 833
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 575 place count 178 transition count 823
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 3 with 85 rules applied. Total rules applied 660 place count 178 transition count 738
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 3 with 50 rules applied. Total rules applied 710 place count 178 transition count 668
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Iterating post reduction 3 with 195 rules applied. Total rules applied 905 place count 128 transition count 523
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 910 place count 123 transition count 493
Iterating global reduction 4 with 5 rules applied. Total rules applied 915 place count 123 transition count 493
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 990 place count 123 transition count 418
Partial Free-agglomeration rule applied 20 times.
Drop transitions (Partial Free agglomeration) removed 20 transitions
Iterating global reduction 4 with 20 rules applied. Total rules applied 1010 place count 123 transition count 418
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 1011 place count 122 transition count 417
Applied a total of 1011 rules in 88 ms. Remains 122 /205 variables (removed 83) and now considering 417/1783 (removed 1366) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 88 ms. Remains : 122/205 places, 417/1783 transitions.
RANDOM walk for 40000 steps (804 resets) in 109 ms. (363 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (103 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1264189 steps, run timeout after 3001 ms. (steps per millisecond=421 ) properties seen :0 out of 1
Probabilistic random walk after 1264189 steps, saw 203520 distinct states, run finished after 3002 ms. (steps per millisecond=421 ) properties seen :0
[2025-05-30 22:55:44] [INFO ] Flow matrix only has 222 transitions (discarded 195 similar events)
// Phase 1: matrix 222 rows 122 cols
[2025-05-30 22:55:44] [INFO ] Computed 15 invariants in 2 ms
[2025-05-30 22:55:44] [INFO ] State equation strengthened by 7 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 47/52 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 117/169 variables, 52/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/279 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/279 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 55/334 variables, 30/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/334 variables, 5/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/344 variables, 10/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/344 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/344 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 344/344 variables, and 144 constraints, problems are : Problem set: 0 solved, 1 unsolved in 108 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 122/122 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 47/52 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 117/169 variables, 52/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/279 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/279 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/279 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 55/334 variables, 30/130 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 5/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/334 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/344 variables, 10/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/344 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/344 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 344/344 variables, and 145 constraints, problems are : Problem set: 0 solved, 1 unsolved in 148 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 122/122 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 265ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 103 steps, including 3 resets, run visited all 1 properties in 1 ms. (steps per millisecond=103 )
Parikh walk visited 1 properties in 0 ms.
RANDOM walk for 40000 steps (1281 resets) in 272 ms. (146 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (82 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 546832 steps, run timeout after 3001 ms. (steps per millisecond=182 ) properties seen :0 out of 1
Probabilistic random walk after 546832 steps, saw 84663 distinct states, run finished after 3002 ms. (steps per millisecond=182 ) properties seen :0
[2025-05-30 22:55:47] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
// Phase 1: matrix 1633 rows 205 cols
[2025-05-30 22:55:47] [INFO ] Computed 15 invariants in 16 ms
[2025-05-30 22:55:47] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 94/104 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 94/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 527 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 94/104 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 94/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 775 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1344ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 41 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 204 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 513 transitions
Reduce isomorphic transitions removed 513 transitions.
Iterating post reduction 0 with 513 rules applied. Total rules applied 514 place count 204 transition count 1270
Ensure Unique test removed 1 places
Iterating post reduction 1 with 1 rules applied. Total rules applied 515 place count 203 transition count 1270
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 527 place count 191 transition count 756
Iterating global reduction 2 with 12 rules applied. Total rules applied 539 place count 191 transition count 756
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 541 place count 189 transition count 754
Iterating global reduction 2 with 2 rules applied. Total rules applied 543 place count 189 transition count 754
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 544 place count 188 transition count 753
Iterating global reduction 2 with 1 rules applied. Total rules applied 545 place count 188 transition count 753
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 565 place count 178 transition count 833
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 575 place count 178 transition count 823
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 3 with 85 rules applied. Total rules applied 660 place count 178 transition count 738
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 3 with 50 rules applied. Total rules applied 710 place count 178 transition count 668
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Iterating post reduction 3 with 195 rules applied. Total rules applied 905 place count 128 transition count 523
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 910 place count 123 transition count 493
Iterating global reduction 4 with 5 rules applied. Total rules applied 915 place count 123 transition count 493
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 990 place count 123 transition count 418
Partial Free-agglomeration rule applied 20 times.
Drop transitions (Partial Free agglomeration) removed 20 transitions
Iterating global reduction 4 with 20 rules applied. Total rules applied 1010 place count 123 transition count 418
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 1011 place count 122 transition count 417
Applied a total of 1011 rules in 93 ms. Remains 122 /205 variables (removed 83) and now considering 417/1783 (removed 1366) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 93 ms. Remains : 122/205 places, 417/1783 transitions.
RANDOM walk for 40000 steps (794 resets) in 140 ms. (283 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (104 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1280917 steps, run timeout after 3001 ms. (steps per millisecond=426 ) properties seen :0 out of 1
Probabilistic random walk after 1280917 steps, saw 206121 distinct states, run finished after 3001 ms. (steps per millisecond=426 ) properties seen :0
[2025-05-30 22:55:52] [INFO ] Flow matrix only has 222 transitions (discarded 195 similar events)
// Phase 1: matrix 222 rows 122 cols
[2025-05-30 22:55:52] [INFO ] Computed 15 invariants in 2 ms
[2025-05-30 22:55:52] [INFO ] State equation strengthened by 7 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 47/52 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 117/169 variables, 52/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/279 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/279 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 55/334 variables, 30/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/334 variables, 5/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/344 variables, 10/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/344 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/344 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 344/344 variables, and 144 constraints, problems are : Problem set: 0 solved, 1 unsolved in 113 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 122/122 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 47/52 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 117/169 variables, 52/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/279 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/279 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/279 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 55/334 variables, 30/130 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 5/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/334 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/344 variables, 10/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/344 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/344 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 344/344 variables, and 145 constraints, problems are : Problem set: 0 solved, 1 unsolved in 134 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 122/122 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 256ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 235 steps, including 9 resets, run visited all 1 properties in 2 ms. (steps per millisecond=117 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 40000 steps (1264 resets) in 297 ms. (134 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (80 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 546710 steps, run timeout after 3001 ms. (steps per millisecond=182 ) properties seen :0 out of 1
Probabilistic random walk after 546710 steps, saw 84632 distinct states, run finished after 3001 ms. (steps per millisecond=182 ) properties seen :0
[2025-05-30 22:55:55] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
// Phase 1: matrix 1633 rows 205 cols
[2025-05-30 22:55:55] [INFO ] Computed 15 invariants in 16 ms
[2025-05-30 22:55:55] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 8/9 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 95/104 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 95/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 578 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 8/9 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 95/104 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 95/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 785 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1405ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 40 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 204 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 513 transitions
Reduce isomorphic transitions removed 513 transitions.
Iterating post reduction 0 with 513 rules applied. Total rules applied 514 place count 204 transition count 1270
Ensure Unique test removed 1 places
Iterating post reduction 1 with 1 rules applied. Total rules applied 515 place count 203 transition count 1270
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 527 place count 191 transition count 756
Iterating global reduction 2 with 12 rules applied. Total rules applied 539 place count 191 transition count 756
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 541 place count 189 transition count 754
Iterating global reduction 2 with 2 rules applied. Total rules applied 543 place count 189 transition count 754
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 544 place count 188 transition count 753
Iterating global reduction 2 with 1 rules applied. Total rules applied 545 place count 188 transition count 753
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 565 place count 178 transition count 833
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 575 place count 178 transition count 823
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 3 with 85 rules applied. Total rules applied 660 place count 178 transition count 738
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 3 with 50 rules applied. Total rules applied 710 place count 178 transition count 668
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Iterating post reduction 3 with 195 rules applied. Total rules applied 905 place count 128 transition count 523
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 910 place count 123 transition count 493
Iterating global reduction 4 with 5 rules applied. Total rules applied 915 place count 123 transition count 493
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 990 place count 123 transition count 418
Partial Free-agglomeration rule applied 20 times.
Drop transitions (Partial Free agglomeration) removed 20 transitions
Iterating global reduction 4 with 20 rules applied. Total rules applied 1010 place count 123 transition count 418
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 1011 place count 122 transition count 417
Applied a total of 1011 rules in 84 ms. Remains 122 /205 variables (removed 83) and now considering 417/1783 (removed 1366) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 84 ms. Remains : 122/205 places, 417/1783 transitions.
RANDOM walk for 40000 steps (772 resets) in 164 ms. (242 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (103 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1278545 steps, run timeout after 3001 ms. (steps per millisecond=426 ) properties seen :0 out of 1
Probabilistic random walk after 1278545 steps, saw 205700 distinct states, run finished after 3001 ms. (steps per millisecond=426 ) properties seen :0
[2025-05-30 22:56:00] [INFO ] Flow matrix only has 222 transitions (discarded 195 similar events)
// Phase 1: matrix 222 rows 122 cols
[2025-05-30 22:56:00] [INFO ] Computed 15 invariants in 1 ms
[2025-05-30 22:56:00] [INFO ] State equation strengthened by 7 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 47/52 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 117/169 variables, 52/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/279 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/279 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 55/334 variables, 30/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/334 variables, 5/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/344 variables, 10/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/344 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/344 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 344/344 variables, and 144 constraints, problems are : Problem set: 0 solved, 1 unsolved in 104 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 122/122 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 47/52 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 117/169 variables, 52/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/279 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/279 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/279 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 55/334 variables, 30/130 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 5/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/334 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/344 variables, 10/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/344 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/344 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 344/344 variables, and 145 constraints, problems are : Problem set: 0 solved, 1 unsolved in 127 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 122/122 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 237ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 102 steps, including 3 resets, run visited all 1 properties in 2 ms. (steps per millisecond=51 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 40000 steps (1267 resets) in 252 ms. (158 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (85 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 535942 steps, run timeout after 3001 ms. (steps per millisecond=178 ) properties seen :0 out of 1
Probabilistic random walk after 535942 steps, saw 83566 distinct states, run finished after 3001 ms. (steps per millisecond=178 ) properties seen :0
[2025-05-30 22:56:03] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
// Phase 1: matrix 1633 rows 205 cols
[2025-05-30 22:56:03] [INFO ] Computed 15 invariants in 15 ms
[2025-05-30 22:56:03] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 94/104 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 94/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 511 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 94/104 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 94/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 752 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1303ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 38 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 204 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 513 transitions
Reduce isomorphic transitions removed 513 transitions.
Iterating post reduction 0 with 513 rules applied. Total rules applied 514 place count 204 transition count 1270
Ensure Unique test removed 1 places
Iterating post reduction 1 with 1 rules applied. Total rules applied 515 place count 203 transition count 1270
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 527 place count 191 transition count 756
Iterating global reduction 2 with 12 rules applied. Total rules applied 539 place count 191 transition count 756
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 541 place count 189 transition count 754
Iterating global reduction 2 with 2 rules applied. Total rules applied 543 place count 189 transition count 754
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 544 place count 188 transition count 753
Iterating global reduction 2 with 1 rules applied. Total rules applied 545 place count 188 transition count 753
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 565 place count 178 transition count 833
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 575 place count 178 transition count 823
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 3 with 85 rules applied. Total rules applied 660 place count 178 transition count 738
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 3 with 50 rules applied. Total rules applied 710 place count 178 transition count 668
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Iterating post reduction 3 with 195 rules applied. Total rules applied 905 place count 128 transition count 523
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 910 place count 123 transition count 493
Iterating global reduction 4 with 5 rules applied. Total rules applied 915 place count 123 transition count 493
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 990 place count 123 transition count 418
Partial Free-agglomeration rule applied 20 times.
Drop transitions (Partial Free agglomeration) removed 20 transitions
Iterating global reduction 4 with 20 rules applied. Total rules applied 1010 place count 123 transition count 418
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 1011 place count 122 transition count 417
Applied a total of 1011 rules in 78 ms. Remains 122 /205 variables (removed 83) and now considering 417/1783 (removed 1366) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 78 ms. Remains : 122/205 places, 417/1783 transitions.
RANDOM walk for 40000 steps (807 resets) in 134 ms. (296 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (103 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1301643 steps, run timeout after 3001 ms. (steps per millisecond=433 ) properties seen :0 out of 1
Probabilistic random walk after 1301643 steps, saw 209397 distinct states, run finished after 3001 ms. (steps per millisecond=433 ) properties seen :0
[2025-05-30 22:56:08] [INFO ] Flow matrix only has 222 transitions (discarded 195 similar events)
// Phase 1: matrix 222 rows 122 cols
[2025-05-30 22:56:08] [INFO ] Computed 15 invariants in 2 ms
[2025-05-30 22:56:08] [INFO ] State equation strengthened by 7 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 47/52 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 117/169 variables, 52/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/279 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/279 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 55/334 variables, 30/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/334 variables, 5/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/344 variables, 10/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/344 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/344 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 344/344 variables, and 144 constraints, problems are : Problem set: 0 solved, 1 unsolved in 109 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 122/122 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 47/52 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 117/169 variables, 52/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/279 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/279 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/279 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 55/334 variables, 30/130 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 5/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/334 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/344 variables, 10/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/344 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/344 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 344/344 variables, and 145 constraints, problems are : Problem set: 0 solved, 1 unsolved in 136 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 122/122 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 252ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 367 steps, including 15 resets, run visited all 1 properties in 2 ms. (steps per millisecond=183 )
Parikh walk visited 1 properties in 2 ms.
RANDOM walk for 438 steps (10 resets) in 10 ms. (39 steps per ms) remains 0/1 properties
RANDOM walk for 123 steps (1 resets) in 5 ms. (20 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1249 resets) in 255 ms. (156 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (83 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 537697 steps, run timeout after 3001 ms. (steps per millisecond=179 ) properties seen :0 out of 1
Probabilistic random walk after 537697 steps, saw 83650 distinct states, run finished after 3001 ms. (steps per millisecond=179 ) properties seen :0
[2025-05-30 22:56:11] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
// Phase 1: matrix 1633 rows 205 cols
[2025-05-30 22:56:11] [INFO ] Computed 15 invariants in 15 ms
[2025-05-30 22:56:11] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 8/9 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 95/104 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 95/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 495 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 8/9 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 95/104 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 95/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 799 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1333ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 42 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 204 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 513 transitions
Reduce isomorphic transitions removed 513 transitions.
Iterating post reduction 0 with 513 rules applied. Total rules applied 514 place count 204 transition count 1270
Ensure Unique test removed 1 places
Iterating post reduction 1 with 1 rules applied. Total rules applied 515 place count 203 transition count 1270
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 527 place count 191 transition count 756
Iterating global reduction 2 with 12 rules applied. Total rules applied 539 place count 191 transition count 756
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 541 place count 189 transition count 754
Iterating global reduction 2 with 2 rules applied. Total rules applied 543 place count 189 transition count 754
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 544 place count 188 transition count 753
Iterating global reduction 2 with 1 rules applied. Total rules applied 545 place count 188 transition count 753
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 565 place count 178 transition count 833
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 575 place count 178 transition count 823
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 3 with 85 rules applied. Total rules applied 660 place count 178 transition count 738
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 3 with 50 rules applied. Total rules applied 710 place count 178 transition count 668
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Iterating post reduction 3 with 195 rules applied. Total rules applied 905 place count 128 transition count 523
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 910 place count 123 transition count 493
Iterating global reduction 4 with 5 rules applied. Total rules applied 915 place count 123 transition count 493
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 990 place count 123 transition count 418
Partial Free-agglomeration rule applied 20 times.
Drop transitions (Partial Free agglomeration) removed 20 transitions
Iterating global reduction 4 with 20 rules applied. Total rules applied 1010 place count 123 transition count 418
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 1011 place count 122 transition count 417
Applied a total of 1011 rules in 96 ms. Remains 122 /205 variables (removed 83) and now considering 417/1783 (removed 1366) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 97 ms. Remains : 122/205 places, 417/1783 transitions.
RANDOM walk for 40000 steps (784 resets) in 156 ms. (254 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (103 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1228097 steps, run timeout after 3001 ms. (steps per millisecond=409 ) properties seen :0 out of 1
Probabilistic random walk after 1228097 steps, saw 198006 distinct states, run finished after 3003 ms. (steps per millisecond=408 ) properties seen :0
[2025-05-30 22:56:16] [INFO ] Flow matrix only has 222 transitions (discarded 195 similar events)
// Phase 1: matrix 222 rows 122 cols
[2025-05-30 22:56:16] [INFO ] Computed 15 invariants in 3 ms
[2025-05-30 22:56:16] [INFO ] State equation strengthened by 7 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 47/52 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 117/169 variables, 52/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/279 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/279 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 55/334 variables, 30/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/334 variables, 5/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/344 variables, 10/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/344 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/344 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 344/344 variables, and 144 constraints, problems are : Problem set: 0 solved, 1 unsolved in 120 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 122/122 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 47/52 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 117/169 variables, 52/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/279 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/279 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/279 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 55/334 variables, 30/130 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 5/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/334 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/344 variables, 10/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/344 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/344 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 344/344 variables, and 145 constraints, problems are : Problem set: 0 solved, 1 unsolved in 130 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 122/122 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 264ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 169 steps, including 6 resets, run visited all 1 properties in 2 ms. (steps per millisecond=84 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 40000 steps (1259 resets) in 270 ms. (147 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (85 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 541342 steps, run timeout after 3001 ms. (steps per millisecond=180 ) properties seen :0 out of 1
Probabilistic random walk after 541342 steps, saw 83756 distinct states, run finished after 3001 ms. (steps per millisecond=180 ) properties seen :0
[2025-05-30 22:56:19] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
// Phase 1: matrix 1633 rows 205 cols
[2025-05-30 22:56:19] [INFO ] Computed 15 invariants in 13 ms
[2025-05-30 22:56:19] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 94/104 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 94/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 505 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 94/104 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 94/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 792 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1335ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 40 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 204 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 513 transitions
Reduce isomorphic transitions removed 513 transitions.
Iterating post reduction 0 with 513 rules applied. Total rules applied 514 place count 204 transition count 1270
Ensure Unique test removed 1 places
Iterating post reduction 1 with 1 rules applied. Total rules applied 515 place count 203 transition count 1270
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 527 place count 191 transition count 756
Iterating global reduction 2 with 12 rules applied. Total rules applied 539 place count 191 transition count 756
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 541 place count 189 transition count 754
Iterating global reduction 2 with 2 rules applied. Total rules applied 543 place count 189 transition count 754
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 544 place count 188 transition count 753
Iterating global reduction 2 with 1 rules applied. Total rules applied 545 place count 188 transition count 753
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 565 place count 178 transition count 833
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 575 place count 178 transition count 823
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 3 with 85 rules applied. Total rules applied 660 place count 178 transition count 738
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 3 with 50 rules applied. Total rules applied 710 place count 178 transition count 668
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Iterating post reduction 3 with 195 rules applied. Total rules applied 905 place count 128 transition count 523
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 910 place count 123 transition count 493
Iterating global reduction 4 with 5 rules applied. Total rules applied 915 place count 123 transition count 493
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 990 place count 123 transition count 418
Partial Free-agglomeration rule applied 20 times.
Drop transitions (Partial Free agglomeration) removed 20 transitions
Iterating global reduction 4 with 20 rules applied. Total rules applied 1010 place count 123 transition count 418
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 1011 place count 122 transition count 417
Applied a total of 1011 rules in 91 ms. Remains 122 /205 variables (removed 83) and now considering 417/1783 (removed 1366) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 92 ms. Remains : 122/205 places, 417/1783 transitions.
RANDOM walk for 40000 steps (794 resets) in 153 ms. (259 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (103 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1278864 steps, run timeout after 3001 ms. (steps per millisecond=426 ) properties seen :0 out of 1
Probabilistic random walk after 1278864 steps, saw 205728 distinct states, run finished after 3002 ms. (steps per millisecond=426 ) properties seen :0
[2025-05-30 22:56:23] [INFO ] Flow matrix only has 222 transitions (discarded 195 similar events)
// Phase 1: matrix 222 rows 122 cols
[2025-05-30 22:56:23] [INFO ] Computed 15 invariants in 2 ms
[2025-05-30 22:56:23] [INFO ] State equation strengthened by 7 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 47/52 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 117/169 variables, 52/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/279 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/279 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 55/334 variables, 30/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/334 variables, 5/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/344 variables, 10/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/344 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/344 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 344/344 variables, and 144 constraints, problems are : Problem set: 0 solved, 1 unsolved in 114 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 122/122 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 47/52 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 117/169 variables, 52/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 110/279 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/279 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/279 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/279 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 55/334 variables, 30/130 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 5/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/334 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/344 variables, 10/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/344 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/344 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 344/344 variables, and 145 constraints, problems are : Problem set: 0 solved, 1 unsolved in 136 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 122/122 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 263ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 301 steps, including 12 resets, run visited all 1 properties in 3 ms. (steps per millisecond=100 )
Parikh walk visited 1 properties in 2 ms.
RANDOM walk for 557 steps (15 resets) in 10 ms. (50 steps per ms) remains 0/1 properties
RANDOM walk for 149 steps (1 resets) in 5 ms. (24 steps per ms) remains 0/1 properties
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1265 resets) in 322 ms. (123 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (77 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 515381 steps, run timeout after 3001 ms. (steps per millisecond=171 ) properties seen :0 out of 1
Probabilistic random walk after 515381 steps, saw 81387 distinct states, run finished after 3007 ms. (steps per millisecond=171 ) properties seen :0
[2025-05-30 22:56:27] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
// Phase 1: matrix 1633 rows 205 cols
[2025-05-30 22:56:27] [INFO ] Computed 15 invariants in 14 ms
[2025-05-30 22:56:27] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 2/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 11/14 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 281/295 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/295 variables, 13/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/295 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/295 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 94/389 variables, 15/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/389 variables, 94/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/389 variables, 2/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/389 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1403/1792 variables, 160/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1792 variables, 68/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1792 variables, 190/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1792 variables, 0/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 46/1838 variables, 27/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 27/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 567 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 2/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 11/14 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 281/295 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/295 variables, 13/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/295 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/295 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 94/389 variables, 15/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/389 variables, 94/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/389 variables, 2/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/389 variables, 1/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/389 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1403/1792 variables, 160/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1792 variables, 68/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1792 variables, 190/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1792 variables, 0/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 46/1838 variables, 27/590 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1838 variables, 27/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 609 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1214ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 48 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=48 )
Parikh walk visited 1 properties in 2 ms.
RANDOM walk for 228 steps (5 resets) in 10 ms. (20 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1271 resets) in 295 ms. (135 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (81 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 542854 steps, run timeout after 3001 ms. (steps per millisecond=180 ) properties seen :0 out of 1
Probabilistic random walk after 542854 steps, saw 84005 distinct states, run finished after 3001 ms. (steps per millisecond=180 ) properties seen :0
[2025-05-30 22:56:31] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:56:31] [INFO ] Invariant cache hit.
[2025-05-30 22:56:31] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 508 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1607 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 211/1818 variables, 86/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 86/551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 45/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 649 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1174ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 41 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.1 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 28 place count 175 transition count 735
Iterating global reduction 1 with 1 rules applied. Total rules applied 29 place count 175 transition count 735
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 30 place count 174 transition count 734
Iterating global reduction 1 with 1 rules applied. Total rules applied 31 place count 174 transition count 734
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 51 place count 164 transition count 814
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 61 place count 164 transition count 804
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 146 place count 164 transition count 719
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 196 place count 164 transition count 649
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 892 edges and 114 vertex of which 113 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 392 place count 113 transition count 504
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 393 place count 113 transition count 503
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 398 place count 108 transition count 473
Iterating global reduction 4 with 5 rules applied. Total rules applied 403 place count 108 transition count 473
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 478 place count 108 transition count 398
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 479 place count 107 transition count 397
Applied a total of 479 rules in 67 ms. Remains 107 /205 variables (removed 98) and now considering 397/1783 (removed 1386) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 107/205 places, 397/1783 transitions.
RANDOM walk for 567 steps (9 resets) in 6 ms. (81 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1260 resets) in 322 ms. (123 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (84 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 540120 steps, run timeout after 3001 ms. (steps per millisecond=179 ) properties seen :0 out of 1
Probabilistic random walk after 540120 steps, saw 83669 distinct states, run finished after 3001 ms. (steps per millisecond=179 ) properties seen :0
[2025-05-30 22:56:36] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:56:36] [INFO ] Invariant cache hit.
[2025-05-30 22:56:36] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 481 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1607 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 211/1818 variables, 86/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 86/551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 45/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 797 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1302ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 44 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.0 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 28 place count 175 transition count 735
Iterating global reduction 1 with 1 rules applied. Total rules applied 29 place count 175 transition count 735
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 49 place count 165 transition count 815
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 59 place count 165 transition count 805
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 144 place count 165 transition count 720
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 194 place count 165 transition count 650
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 894 edges and 115 vertex of which 114 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 390 place count 114 transition count 505
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 391 place count 114 transition count 504
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 396 place count 109 transition count 474
Iterating global reduction 4 with 5 rules applied. Total rules applied 401 place count 109 transition count 474
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 476 place count 109 transition count 399
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 477 place count 108 transition count 398
Applied a total of 477 rules in 67 ms. Remains 108 /205 variables (removed 97) and now considering 398/1783 (removed 1385) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 108/205 places, 398/1783 transitions.
RANDOM walk for 470 steps (6 resets) in 6 ms. (67 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1283 resets) in 375 ms. (106 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (88 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 537456 steps, run timeout after 3001 ms. (steps per millisecond=179 ) properties seen :0 out of 1
Probabilistic random walk after 537456 steps, saw 83637 distinct states, run finished after 3001 ms. (steps per millisecond=179 ) properties seen :0
[2025-05-30 22:56:40] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:56:40] [INFO ] Invariant cache hit.
[2025-05-30 22:56:40] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 494 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1607 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 211/1818 variables, 86/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 86/551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 45/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 580 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1099ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 47 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.1 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 28 place count 175 transition count 735
Iterating global reduction 1 with 1 rules applied. Total rules applied 29 place count 175 transition count 735
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 49 place count 165 transition count 815
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 59 place count 165 transition count 805
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 144 place count 165 transition count 720
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 194 place count 165 transition count 650
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 894 edges and 115 vertex of which 114 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 390 place count 114 transition count 505
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 391 place count 114 transition count 504
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 396 place count 109 transition count 474
Iterating global reduction 4 with 5 rules applied. Total rules applied 401 place count 109 transition count 474
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 476 place count 109 transition count 399
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 477 place count 108 transition count 398
Applied a total of 477 rules in 63 ms. Remains 108 /205 variables (removed 97) and now considering 398/1783 (removed 1385) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 108/205 places, 398/1783 transitions.
RANDOM walk for 792 steps (13 resets) in 5 ms. (132 steps per ms) remains 0/1 properties
RANDOM walk for 4 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1248 resets) in 266 ms. (149 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (79 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 544213 steps, run timeout after 3001 ms. (steps per millisecond=181 ) properties seen :0 out of 1
Probabilistic random walk after 544213 steps, saw 84247 distinct states, run finished after 3002 ms. (steps per millisecond=181 ) properties seen :0
[2025-05-30 22:56:45] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:56:45] [INFO ] Invariant cache hit.
[2025-05-30 22:56:45] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 2/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 11/14 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 284/298 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/298 variables, 13/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/298 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/298 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 94/392 variables, 15/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/392 variables, 94/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/392 variables, 5/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/392 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1400/1792 variables, 157/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1792 variables, 68/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1792 variables, 190/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1792 variables, 0/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 46/1838 variables, 27/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 27/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 586 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 2/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 11/14 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 284/298 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/298 variables, 13/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/298 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/298 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 94/392 variables, 15/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/392 variables, 94/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/392 variables, 5/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/392 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/392 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1400/1792 variables, 157/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1792 variables, 68/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1792 variables, 190/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1792 variables, 0/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 46/1838 variables, 27/590 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1838 variables, 27/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 634 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1237ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 47 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=23 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 100 steps (2 resets) in 5 ms. (16 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1249 resets) in 257 ms. (155 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (83 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 542271 steps, run timeout after 3001 ms. (steps per millisecond=180 ) properties seen :0 out of 1
Probabilistic random walk after 542271 steps, saw 83928 distinct states, run finished after 3001 ms. (steps per millisecond=180 ) properties seen :0
[2025-05-30 22:56:49] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:56:49] [INFO ] Invariant cache hit.
[2025-05-30 22:56:49] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 492 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1607 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 211/1818 variables, 86/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 86/551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 45/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 551 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1059ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 40 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.1 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 174 transition count 734
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 174 transition count 734
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 173 transition count 733
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 173 transition count 733
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 53 place count 163 transition count 813
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 63 place count 163 transition count 803
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 148 place count 163 transition count 718
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 198 place count 163 transition count 648
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 891 edges and 113 vertex of which 112 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 394 place count 112 transition count 503
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 395 place count 112 transition count 502
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 400 place count 107 transition count 472
Iterating global reduction 4 with 5 rules applied. Total rules applied 405 place count 107 transition count 472
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 480 place count 107 transition count 397
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 481 place count 106 transition count 396
Applied a total of 481 rules in 66 ms. Remains 106 /205 variables (removed 99) and now considering 396/1783 (removed 1387) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66 ms. Remains : 106/205 places, 396/1783 transitions.
RANDOM walk for 1712 steps (33 resets) in 15 ms. (107 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1262 resets) in 338 ms. (117 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (84 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 549271 steps, run timeout after 3001 ms. (steps per millisecond=183 ) properties seen :0 out of 1
Probabilistic random walk after 549271 steps, saw 85000 distinct states, run finished after 3001 ms. (steps per millisecond=183 ) properties seen :0
[2025-05-30 22:56:53] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:56:53] [INFO ] Invariant cache hit.
[2025-05-30 22:56:53] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 491 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1607 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 211/1818 variables, 86/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 86/551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 45/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 618 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1125ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 44 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.1 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 174 transition count 734
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 174 transition count 734
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 173 transition count 733
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 173 transition count 733
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 53 place count 163 transition count 813
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 63 place count 163 transition count 803
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 148 place count 163 transition count 718
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 198 place count 163 transition count 648
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 891 edges and 113 vertex of which 112 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 394 place count 112 transition count 503
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 395 place count 112 transition count 502
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 400 place count 107 transition count 472
Iterating global reduction 4 with 5 rules applied. Total rules applied 405 place count 107 transition count 472
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 480 place count 107 transition count 397
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 481 place count 106 transition count 396
Applied a total of 481 rules in 74 ms. Remains 106 /205 variables (removed 99) and now considering 396/1783 (removed 1387) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 74 ms. Remains : 106/205 places, 396/1783 transitions.
RANDOM walk for 883 steps (16 resets) in 8 ms. (98 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1245 resets) in 335 ms. (119 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (85 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 538893 steps, run timeout after 3001 ms. (steps per millisecond=179 ) properties seen :0 out of 1
Probabilistic random walk after 538893 steps, saw 83668 distinct states, run finished after 3001 ms. (steps per millisecond=179 ) properties seen :0
[2025-05-30 22:56:58] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:56:58] [INFO ] Invariant cache hit.
[2025-05-30 22:56:58] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 469 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1607 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 211/1818 variables, 86/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 86/551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 45/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 639 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1125ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 42 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.1 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 174 transition count 734
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 174 transition count 734
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 51 place count 164 transition count 814
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 61 place count 164 transition count 804
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 146 place count 164 transition count 719
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 196 place count 164 transition count 649
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 892 edges and 114 vertex of which 113 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 392 place count 113 transition count 504
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 393 place count 113 transition count 503
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 398 place count 108 transition count 473
Iterating global reduction 4 with 5 rules applied. Total rules applied 403 place count 108 transition count 473
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 478 place count 108 transition count 398
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 479 place count 107 transition count 397
Applied a total of 479 rules in 65 ms. Remains 107 /205 variables (removed 98) and now considering 397/1783 (removed 1386) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66 ms. Remains : 107/205 places, 397/1783 transitions.
RANDOM walk for 686 steps (11 resets) in 7 ms. (85 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1275 resets) in 274 ms. (145 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (77 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 515064 steps, run timeout after 3001 ms. (steps per millisecond=171 ) properties seen :0 out of 1
Probabilistic random walk after 515064 steps, saw 81357 distinct states, run finished after 3003 ms. (steps per millisecond=171 ) properties seen :0
[2025-05-30 22:57:02] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:57:02] [INFO ] Invariant cache hit.
[2025-05-30 22:57:02] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 496 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1607 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 211/1818 variables, 86/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 86/551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 45/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 673 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1195ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 43 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.1 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 174 transition count 734
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 174 transition count 734
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 51 place count 164 transition count 814
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 61 place count 164 transition count 804
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 146 place count 164 transition count 719
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 196 place count 164 transition count 649
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 892 edges and 114 vertex of which 113 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 392 place count 113 transition count 504
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 393 place count 113 transition count 503
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 398 place count 108 transition count 473
Iterating global reduction 4 with 5 rules applied. Total rules applied 403 place count 108 transition count 473
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 478 place count 108 transition count 398
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 479 place count 107 transition count 397
Applied a total of 479 rules in 68 ms. Remains 107 /205 variables (removed 98) and now considering 397/1783 (removed 1386) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 107/205 places, 397/1783 transitions.
RANDOM walk for 310 steps (5 resets) in 4 ms. (62 steps per ms) remains 0/1 properties
RANDOM walk for 34 steps (0 resets) in 6 ms. (4 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1283 resets) in 292 ms. (136 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (82 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 515002 steps, run timeout after 3001 ms. (steps per millisecond=171 ) properties seen :0 out of 1
Probabilistic random walk after 515002 steps, saw 81347 distinct states, run finished after 3001 ms. (steps per millisecond=171 ) properties seen :0
[2025-05-30 22:57:06] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:57:06] [INFO ] Invariant cache hit.
[2025-05-30 22:57:06] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 489 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1607 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 211/1818 variables, 86/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 86/551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 45/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 565 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1072ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 43 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.1 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 174 transition count 734
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 174 transition count 734
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 173 transition count 733
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 173 transition count 733
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 53 place count 163 transition count 813
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 63 place count 163 transition count 803
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 148 place count 163 transition count 718
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 198 place count 163 transition count 648
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 891 edges and 113 vertex of which 112 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 394 place count 112 transition count 503
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 395 place count 112 transition count 502
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 400 place count 107 transition count 472
Iterating global reduction 4 with 5 rules applied. Total rules applied 405 place count 107 transition count 472
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 480 place count 107 transition count 397
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 481 place count 106 transition count 396
Applied a total of 481 rules in 67 ms. Remains 106 /205 variables (removed 99) and now considering 396/1783 (removed 1387) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 106/205 places, 396/1783 transitions.
RANDOM walk for 858 steps (16 resets) in 6 ms. (122 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1239 resets) in 262 ms. (152 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (80 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 517443 steps, run timeout after 3001 ms. (steps per millisecond=172 ) properties seen :0 out of 1
Probabilistic random walk after 517443 steps, saw 81556 distinct states, run finished after 3001 ms. (steps per millisecond=172 ) properties seen :0
[2025-05-30 22:57:11] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:57:11] [INFO ] Invariant cache hit.
[2025-05-30 22:57:11] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 477 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1607 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 211/1818 variables, 86/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 86/551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 45/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 703 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1212ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 46 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.0 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 174 transition count 734
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 174 transition count 734
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 173 transition count 733
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 173 transition count 733
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 53 place count 163 transition count 813
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 63 place count 163 transition count 803
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 148 place count 163 transition count 718
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 198 place count 163 transition count 648
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 891 edges and 113 vertex of which 112 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 394 place count 112 transition count 503
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 395 place count 112 transition count 502
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 400 place count 107 transition count 472
Iterating global reduction 4 with 5 rules applied. Total rules applied 405 place count 107 transition count 472
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 480 place count 107 transition count 397
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 481 place count 106 transition count 396
Applied a total of 481 rules in 63 ms. Remains 106 /205 variables (removed 99) and now considering 396/1783 (removed 1387) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 106/205 places, 396/1783 transitions.
RANDOM walk for 1303 steps (25 resets) in 9 ms. (130 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1257 resets) in 283 ms. (140 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (78 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 548767 steps, run timeout after 3001 ms. (steps per millisecond=182 ) properties seen :0 out of 1
Probabilistic random walk after 548767 steps, saw 84901 distinct states, run finished after 3002 ms. (steps per millisecond=182 ) properties seen :0
[2025-05-30 22:57:15] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:57:15] [INFO ] Invariant cache hit.
[2025-05-30 22:57:15] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 479 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1607 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 211/1818 variables, 86/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 86/551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 45/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 660 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1168ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 48 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.1 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 174 transition count 734
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 174 transition count 734
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 173 transition count 733
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 173 transition count 733
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 53 place count 163 transition count 813
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 63 place count 163 transition count 803
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 148 place count 163 transition count 718
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 198 place count 163 transition count 648
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 891 edges and 113 vertex of which 112 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 394 place count 112 transition count 503
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 395 place count 112 transition count 502
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 400 place count 107 transition count 472
Iterating global reduction 4 with 5 rules applied. Total rules applied 405 place count 107 transition count 472
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 480 place count 107 transition count 397
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 481 place count 106 transition count 396
Applied a total of 481 rules in 69 ms. Remains 106 /205 variables (removed 99) and now considering 396/1783 (removed 1387) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69 ms. Remains : 106/205 places, 396/1783 transitions.
RANDOM walk for 1794 steps (34 resets) in 12 ms. (138 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1243 resets) in 318 ms. (125 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (82 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 514673 steps, run timeout after 3001 ms. (steps per millisecond=171 ) properties seen :0 out of 1
Probabilistic random walk after 514673 steps, saw 81284 distinct states, run finished after 3001 ms. (steps per millisecond=171 ) properties seen :0
[2025-05-30 22:57:19] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:57:19] [INFO ] Invariant cache hit.
[2025-05-30 22:57:19] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 488 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 622 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1129ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 40 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.1 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 174 transition count 734
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 174 transition count 734
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 173 transition count 733
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 173 transition count 733
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 53 place count 163 transition count 813
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 63 place count 163 transition count 803
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 148 place count 163 transition count 718
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 198 place count 163 transition count 648
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 891 edges and 113 vertex of which 112 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 394 place count 112 transition count 503
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 395 place count 112 transition count 502
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 400 place count 107 transition count 472
Iterating global reduction 4 with 5 rules applied. Total rules applied 405 place count 107 transition count 472
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 480 place count 107 transition count 397
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 481 place count 106 transition count 396
Applied a total of 481 rules in 83 ms. Remains 106 /205 variables (removed 99) and now considering 396/1783 (removed 1387) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 83 ms. Remains : 106/205 places, 396/1783 transitions.
RANDOM walk for 888 steps (17 resets) in 7 ms. (111 steps per ms) remains 0/1 properties
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1256 resets) in 265 ms. (150 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (82 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 522988 steps, run timeout after 3001 ms. (steps per millisecond=174 ) properties seen :0 out of 1
Probabilistic random walk after 522988 steps, saw 82230 distinct states, run finished after 3002 ms. (steps per millisecond=174 ) properties seen :0
[2025-05-30 22:57:24] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:57:24] [INFO ] Invariant cache hit.
[2025-05-30 22:57:24] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 2/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 11/14 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 285/299 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/299 variables, 13/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/299 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/299 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 94/393 variables, 15/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/393 variables, 94/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/393 variables, 3/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/393 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1399/1792 variables, 159/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1792 variables, 68/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1792 variables, 190/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1792 variables, 0/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 46/1838 variables, 27/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 27/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 470 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 2/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 11/14 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 285/299 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/299 variables, 13/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/299 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/299 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 94/393 variables, 15/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/393 variables, 94/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/393 variables, 3/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/393 variables, 1/146 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/393 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1399/1792 variables, 159/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1792 variables, 68/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1792 variables, 190/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1792 variables, 0/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 46/1838 variables, 27/590 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1838 variables, 27/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 544 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1075ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2293 steps, including 79 resets, run visited all 1 properties in 11 ms. (steps per millisecond=208 )
Parikh walk visited 1 properties in 12 ms.
RANDOM walk for 149 steps (3 resets) in 6 ms. (21 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1250 resets) in 244 ms. (163 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (79 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 527699 steps, run timeout after 3001 ms. (steps per millisecond=175 ) properties seen :0 out of 1
Probabilistic random walk after 527699 steps, saw 82700 distinct states, run finished after 3002 ms. (steps per millisecond=175 ) properties seen :0
[2025-05-30 22:57:28] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:57:28] [INFO ] Invariant cache hit.
[2025-05-30 22:57:28] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 481 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 656 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1152ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 41 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.1 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 174 transition count 734
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 174 transition count 734
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 173 transition count 733
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 173 transition count 733
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 53 place count 163 transition count 813
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 63 place count 163 transition count 803
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 148 place count 163 transition count 718
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 198 place count 163 transition count 648
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 891 edges and 113 vertex of which 112 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 394 place count 112 transition count 503
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 395 place count 112 transition count 502
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 400 place count 107 transition count 472
Iterating global reduction 4 with 5 rules applied. Total rules applied 405 place count 107 transition count 472
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 480 place count 107 transition count 397
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 481 place count 106 transition count 396
Applied a total of 481 rules in 66 ms. Remains 106 /205 variables (removed 99) and now considering 396/1783 (removed 1387) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 106/205 places, 396/1783 transitions.
RANDOM walk for 988 steps (18 resets) in 10 ms. (89 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1255 resets) in 246 ms. (161 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (82 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 522980 steps, run timeout after 3001 ms. (steps per millisecond=174 ) properties seen :0 out of 1
Probabilistic random walk after 522980 steps, saw 82230 distinct states, run finished after 3001 ms. (steps per millisecond=174 ) properties seen :0
[2025-05-30 22:57:32] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:57:32] [INFO ] Invariant cache hit.
[2025-05-30 22:57:32] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 476 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 622 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1117ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 42 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.1 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 174 transition count 734
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 174 transition count 734
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 173 transition count 733
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 173 transition count 733
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 53 place count 163 transition count 813
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 63 place count 163 transition count 803
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 148 place count 163 transition count 718
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 198 place count 163 transition count 648
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 891 edges and 113 vertex of which 112 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 394 place count 112 transition count 503
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 395 place count 112 transition count 502
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 400 place count 107 transition count 472
Iterating global reduction 4 with 5 rules applied. Total rules applied 405 place count 107 transition count 472
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 480 place count 107 transition count 397
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 481 place count 106 transition count 396
Applied a total of 481 rules in 64 ms. Remains 106 /205 variables (removed 99) and now considering 396/1783 (removed 1387) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 106/205 places, 396/1783 transitions.
RANDOM walk for 674 steps (10 resets) in 5 ms. (112 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1253 resets) in 241 ms. (165 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (81 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 527068 steps, run timeout after 3001 ms. (steps per millisecond=175 ) properties seen :0 out of 1
Probabilistic random walk after 527068 steps, saw 82647 distinct states, run finished after 3001 ms. (steps per millisecond=175 ) properties seen :0
[2025-05-30 22:57:37] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:57:37] [INFO ] Invariant cache hit.
[2025-05-30 22:57:37] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 428 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 625 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1082ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 37 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.0 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 174 transition count 734
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 174 transition count 734
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 173 transition count 733
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 173 transition count 733
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 53 place count 163 transition count 813
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 63 place count 163 transition count 803
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 148 place count 163 transition count 718
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 198 place count 163 transition count 648
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 891 edges and 113 vertex of which 112 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 394 place count 112 transition count 503
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 395 place count 112 transition count 502
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 400 place count 107 transition count 472
Iterating global reduction 4 with 5 rules applied. Total rules applied 405 place count 107 transition count 472
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 480 place count 107 transition count 397
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 481 place count 106 transition count 396
Applied a total of 481 rules in 65 ms. Remains 106 /205 variables (removed 99) and now considering 396/1783 (removed 1387) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 106/205 places, 396/1783 transitions.
RANDOM walk for 878 steps (15 resets) in 9 ms. (87 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1265 resets) in 300 ms. (132 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (81 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 525580 steps, run timeout after 3001 ms. (steps per millisecond=175 ) properties seen :0 out of 1
Probabilistic random walk after 525580 steps, saw 82472 distinct states, run finished after 3001 ms. (steps per millisecond=175 ) properties seen :0
[2025-05-30 22:57:41] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:57:41] [INFO ] Invariant cache hit.
[2025-05-30 22:57:41] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 449 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 615 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1090ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 35 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.0 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 174 transition count 734
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 174 transition count 734
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 173 transition count 733
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 173 transition count 733
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 53 place count 163 transition count 813
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 63 place count 163 transition count 803
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 148 place count 163 transition count 718
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 198 place count 163 transition count 648
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 891 edges and 113 vertex of which 112 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 394 place count 112 transition count 503
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 395 place count 112 transition count 502
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 400 place count 107 transition count 472
Iterating global reduction 4 with 5 rules applied. Total rules applied 405 place count 107 transition count 472
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 480 place count 107 transition count 397
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 481 place count 106 transition count 396
Applied a total of 481 rules in 71 ms. Remains 106 /205 variables (removed 99) and now considering 396/1783 (removed 1387) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71 ms. Remains : 106/205 places, 396/1783 transitions.
RANDOM walk for 431 steps (7 resets) in 5 ms. (71 steps per ms) remains 0/1 properties
RANDOM walk for 88 steps (2 resets) in 5 ms. (14 steps per ms) remains 0/1 properties
RANDOM walk for 12218 steps (391 resets) in 91 ms. (132 steps per ms) remains 0/1 properties
RANDOM walk for 10424 steps (319 resets) in 72 ms. (142 steps per ms) remains 0/1 properties
RANDOM walk for 4 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/1 properties
RANDOM walk for 10179 steps (316 resets) in 84 ms. (119 steps per ms) remains 0/1 properties
RANDOM walk for 8394 steps (259 resets) in 58 ms. (142 steps per ms) remains 0/1 properties
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
RANDOM walk for 14281 steps (443 resets) in 87 ms. (162 steps per ms) remains 0/1 properties
RANDOM walk for 23945 steps (750 resets) in 163 ms. (146 steps per ms) remains 0/1 properties
RANDOM walk for 67 steps (0 resets) in 7 ms. (8 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1265 resets) in 289 ms. (137 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (80 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 534060 steps, run timeout after 3001 ms. (steps per millisecond=177 ) properties seen :0 out of 1
Probabilistic random walk after 534060 steps, saw 83359 distinct states, run finished after 3001 ms. (steps per millisecond=177 ) properties seen :0
[2025-05-30 22:57:46] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:57:46] [INFO ] Invariant cache hit.
[2025-05-30 22:57:46] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 2/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 11/14 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 285/299 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/299 variables, 13/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/299 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/299 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 94/393 variables, 15/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/393 variables, 94/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/393 variables, 6/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/393 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1399/1792 variables, 156/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1792 variables, 68/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1792 variables, 190/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1792 variables, 0/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 46/1838 variables, 27/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 27/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 578 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 2/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 11/14 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 285/299 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/299 variables, 13/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/299 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/299 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 94/393 variables, 15/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/393 variables, 94/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/393 variables, 6/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/393 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/393 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1399/1792 variables, 156/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1792 variables, 68/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1792 variables, 190/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1792 variables, 0/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 46/1838 variables, 27/590 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1838 variables, 27/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 584 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1178ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1240 steps, including 51 resets, run visited all 1 properties in 7 ms. (steps per millisecond=177 )
Parikh walk visited 1 properties in 7 ms.
RANDOM walk for 40000 steps (1259 resets) in 337 ms. (118 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (82 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 553910 steps, run timeout after 3001 ms. (steps per millisecond=184 ) properties seen :0 out of 1
Probabilistic random walk after 553910 steps, saw 85589 distinct states, run finished after 3001 ms. (steps per millisecond=184 ) properties seen :0
[2025-05-30 22:57:50] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:57:50] [INFO ] Invariant cache hit.
[2025-05-30 22:57:50] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 445 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1607 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 211/1818 variables, 86/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 86/551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 45/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 567 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1029ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 41 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.1 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 174 transition count 734
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 174 transition count 734
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 173 transition count 733
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 173 transition count 733
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 53 place count 163 transition count 813
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 63 place count 163 transition count 803
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 148 place count 163 transition count 718
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 198 place count 163 transition count 648
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 891 edges and 113 vertex of which 112 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 394 place count 112 transition count 503
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 395 place count 112 transition count 502
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 400 place count 107 transition count 472
Iterating global reduction 4 with 5 rules applied. Total rules applied 405 place count 107 transition count 472
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 480 place count 107 transition count 397
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 481 place count 106 transition count 396
Applied a total of 481 rules in 75 ms. Remains 106 /205 variables (removed 99) and now considering 396/1783 (removed 1387) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 75 ms. Remains : 106/205 places, 396/1783 transitions.
RANDOM walk for 868 steps (13 resets) in 9 ms. (86 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1257 resets) in 254 ms. (156 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (81 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 551890 steps, run timeout after 3001 ms. (steps per millisecond=183 ) properties seen :0 out of 1
Probabilistic random walk after 551890 steps, saw 85229 distinct states, run finished after 3002 ms. (steps per millisecond=183 ) properties seen :0
[2025-05-30 22:57:54] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:57:54] [INFO ] Invariant cache hit.
[2025-05-30 22:57:54] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 520 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1607 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 211/1818 variables, 86/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 86/551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 45/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 575 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1109ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 39 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.1 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 23 place count 177 transition count 737
Iterating global reduction 1 with 2 rules applied. Total rules applied 25 place count 177 transition count 737
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 27 place count 175 transition count 735
Iterating global reduction 1 with 2 rules applied. Total rules applied 29 place count 175 transition count 735
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 30 place count 174 transition count 734
Iterating global reduction 1 with 1 rules applied. Total rules applied 31 place count 174 transition count 734
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 51 place count 164 transition count 814
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 61 place count 164 transition count 804
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 146 place count 164 transition count 719
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 196 place count 164 transition count 649
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 892 edges and 114 vertex of which 113 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 392 place count 113 transition count 504
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 393 place count 113 transition count 503
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 398 place count 108 transition count 473
Iterating global reduction 4 with 5 rules applied. Total rules applied 403 place count 108 transition count 473
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 478 place count 108 transition count 398
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 479 place count 107 transition count 397
Applied a total of 479 rules in 59 ms. Remains 107 /205 variables (removed 98) and now considering 397/1783 (removed 1386) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59 ms. Remains : 107/205 places, 397/1783 transitions.
RANDOM walk for 641 steps (11 resets) in 7 ms. (80 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1246 resets) in 240 ms. (165 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (76 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 553848 steps, run timeout after 3001 ms. (steps per millisecond=184 ) properties seen :0 out of 1
Probabilistic random walk after 553848 steps, saw 85578 distinct states, run finished after 3003 ms. (steps per millisecond=184 ) properties seen :0
[2025-05-30 22:57:58] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:57:58] [INFO ] Invariant cache hit.
[2025-05-30 22:57:58] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 459 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1607 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 211/1818 variables, 86/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 86/551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 45/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 548 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1026ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 44 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.0 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 23 place count 177 transition count 737
Iterating global reduction 1 with 2 rules applied. Total rules applied 25 place count 177 transition count 737
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 176 transition count 736
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 28 place count 175 transition count 735
Iterating global reduction 1 with 1 rules applied. Total rules applied 29 place count 175 transition count 735
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 49 place count 165 transition count 815
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 59 place count 165 transition count 805
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 144 place count 165 transition count 720
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 194 place count 165 transition count 650
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 894 edges and 115 vertex of which 114 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 390 place count 114 transition count 505
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 391 place count 114 transition count 504
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 396 place count 109 transition count 474
Iterating global reduction 4 with 5 rules applied. Total rules applied 401 place count 109 transition count 474
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 476 place count 109 transition count 399
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 477 place count 108 transition count 398
Applied a total of 477 rules in 62 ms. Remains 108 /205 variables (removed 97) and now considering 398/1783 (removed 1385) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62 ms. Remains : 108/205 places, 398/1783 transitions.
RANDOM walk for 974 steps (16 resets) in 8 ms. (108 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1261 resets) in 243 ms. (163 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (84 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 552412 steps, run timeout after 3001 ms. (steps per millisecond=184 ) properties seen :0 out of 1
Probabilistic random walk after 552412 steps, saw 85339 distinct states, run finished after 3002 ms. (steps per millisecond=184 ) properties seen :0
[2025-05-30 22:58:03] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:58:03] [INFO ] Invariant cache hit.
[2025-05-30 22:58:03] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 444 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1607 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 211/1818 variables, 86/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 86/551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 45/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 890 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1348ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 44 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.0 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 23 place count 177 transition count 737
Iterating global reduction 1 with 2 rules applied. Total rules applied 25 place count 177 transition count 737
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 176 transition count 736
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 176 transition count 736
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 47 place count 166 transition count 816
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 57 place count 166 transition count 806
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 142 place count 166 transition count 721
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 192 place count 166 transition count 651
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 896 edges and 116 vertex of which 115 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 388 place count 115 transition count 506
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 389 place count 115 transition count 505
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 394 place count 110 transition count 475
Iterating global reduction 4 with 5 rules applied. Total rules applied 399 place count 110 transition count 475
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 474 place count 110 transition count 400
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 475 place count 109 transition count 399
Applied a total of 475 rules in 60 ms. Remains 109 /205 variables (removed 96) and now considering 399/1783 (removed 1384) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 109/205 places, 399/1783 transitions.
RANDOM walk for 550 steps (8 resets) in 6 ms. (78 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1267 resets) in 258 ms. (154 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (84 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 547627 steps, run timeout after 3001 ms. (steps per millisecond=182 ) properties seen :0 out of 1
Probabilistic random walk after 547627 steps, saw 84778 distinct states, run finished after 3002 ms. (steps per millisecond=182 ) properties seen :0
[2025-05-30 22:58:07] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:58:07] [INFO ] Invariant cache hit.
[2025-05-30 22:58:07] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 457 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1607 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 211/1818 variables, 86/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 86/551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 45/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1818 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 20/1838 variables, 15/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 15/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 25/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 571 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1052ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 41 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.0 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 23 place count 177 transition count 737
Iterating global reduction 1 with 2 rules applied. Total rules applied 25 place count 177 transition count 737
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 176 transition count 736
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 176 transition count 736
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 47 place count 166 transition count 816
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 57 place count 166 transition count 806
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 142 place count 166 transition count 721
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 192 place count 166 transition count 651
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 896 edges and 116 vertex of which 115 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 388 place count 115 transition count 506
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 389 place count 115 transition count 505
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 394 place count 110 transition count 475
Iterating global reduction 4 with 5 rules applied. Total rules applied 399 place count 110 transition count 475
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 474 place count 110 transition count 400
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 475 place count 109 transition count 399
Applied a total of 475 rules in 57 ms. Remains 109 /205 variables (removed 96) and now considering 399/1783 (removed 1384) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57 ms. Remains : 109/205 places, 399/1783 transitions.
RANDOM walk for 1417 steps (24 resets) in 12 ms. (109 steps per ms) remains 0/1 properties
RANDOM walk for 4756 steps (148 resets) in 33 ms. (139 steps per ms) remains 0/1 properties
RANDOM walk for 4 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1243 resets) in 246 ms. (161 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (85 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 525446 steps, run timeout after 3001 ms. (steps per millisecond=175 ) properties seen :0 out of 1
Probabilistic random walk after 525446 steps, saw 82467 distinct states, run finished after 3002 ms. (steps per millisecond=175 ) properties seen :0
[2025-05-30 22:58:11] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:58:11] [INFO ] Invariant cache hit.
[2025-05-30 22:58:11] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 279/287 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/287 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/287 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/287 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/381 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/381 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/381 variables, 2/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/381 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1410/1791 variables, 163/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1791 variables, 71/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1791 variables, 190/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1791 variables, 0/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 47/1838 variables, 28/588 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 28/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 548 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 279/287 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/287 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/287 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/287 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/381 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/381 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/381 variables, 2/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/381 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/381 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1410/1791 variables, 163/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1791 variables, 71/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1791 variables, 190/561 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1791 variables, 0/561 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 47/1838 variables, 28/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 28/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 663 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1233ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 6177 steps, including 159 resets, run visited all 1 properties in 28 ms. (steps per millisecond=220 )
Parikh walk visited 1 properties in 27 ms.
RANDOM walk for 40000 steps (1260 resets) in 240 ms. (165 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (83 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 538242 steps, run timeout after 3001 ms. (steps per millisecond=179 ) properties seen :0 out of 1
Probabilistic random walk after 538242 steps, saw 83664 distinct states, run finished after 3002 ms. (steps per millisecond=179 ) properties seen :0
[2025-05-30 22:58:16] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:58:16] [INFO ] Invariant cache hit.
[2025-05-30 22:58:16] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 279/287 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/287 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/287 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/287 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/381 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/381 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/381 variables, 2/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/381 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1411/1792 variables, 164/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1792 variables, 72/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1792 variables, 190/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1792 variables, 0/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 46/1838 variables, 27/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 27/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 542 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 279/287 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/287 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/287 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/287 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/381 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/381 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/381 variables, 2/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/381 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/381 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1411/1792 variables, 164/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1792 variables, 72/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1792 variables, 190/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1792 variables, 0/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 46/1838 variables, 27/590 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 27/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 602 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1168ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1194 steps, including 33 resets, run visited all 1 properties in 6 ms. (steps per millisecond=199 )
Parikh walk visited 1 properties in 6 ms.
RANDOM walk for 32848 steps (1030 resets) in 188 ms. (173 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1294 resets) in 279 ms. (142 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (82 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 532810 steps, run timeout after 3001 ms. (steps per millisecond=177 ) properties seen :0 out of 1
Probabilistic random walk after 532810 steps, saw 83352 distinct states, run finished after 3001 ms. (steps per millisecond=177 ) properties seen :0
[2025-05-30 22:58:20] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:58:20] [INFO ] Invariant cache hit.
[2025-05-30 22:58:20] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 278/286 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/286 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/286 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/286 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/380 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/380 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/380 variables, 2/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/380 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1411/1791 variables, 163/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1791 variables, 71/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1791 variables, 190/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1791 variables, 0/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 47/1838 variables, 28/588 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 28/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 517 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 278/286 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/286 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/286 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/286 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/380 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/380 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/380 variables, 2/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/380 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/380 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1411/1791 variables, 163/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1791 variables, 71/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1791 variables, 190/561 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1791 variables, 0/561 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 47/1838 variables, 28/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 28/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 642 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1176ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 232 steps, including 6 resets, run visited all 1 properties in 3 ms. (steps per millisecond=77 )
Parikh walk visited 1 properties in 2 ms.
RANDOM walk for 32445 steps (1032 resets) in 219 ms. (147 steps per ms) remains 0/1 properties
RANDOM walk for 2049 steps (64 resets) in 17 ms. (113 steps per ms) remains 0/1 properties
RANDOM walk for 4872 steps (159 resets) in 40 ms. (118 steps per ms) remains 0/1 properties
RANDOM walk for 817 steps (23 resets) in 9 ms. (81 steps per ms) remains 0/1 properties
RANDOM walk for 553 steps (15 resets) in 10 ms. (50 steps per ms) remains 0/1 properties
RANDOM walk for 2940 steps (91 resets) in 37 ms. (77 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1268 resets) in 326 ms. (122 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (84 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 549958 steps, run timeout after 3001 ms. (steps per millisecond=183 ) properties seen :0 out of 1
Probabilistic random walk after 549958 steps, saw 85054 distinct states, run finished after 3001 ms. (steps per millisecond=183 ) properties seen :0
[2025-05-30 22:58:25] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:58:25] [INFO ] Invariant cache hit.
[2025-05-30 22:58:25] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 282/290 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/290 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/290 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/290 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/384 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/384 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/384 variables, 5/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/384 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1407/1791 variables, 160/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1791 variables, 71/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1791 variables, 190/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1791 variables, 0/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 47/1838 variables, 28/588 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 28/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 599 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 282/290 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/290 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/290 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/290 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/384 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/384 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/384 variables, 5/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/384 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/384 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1407/1791 variables, 160/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1791 variables, 71/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1791 variables, 190/561 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1791 variables, 0/561 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 47/1838 variables, 28/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 28/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 632 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1255ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 113 steps, including 2 resets, run visited all 1 properties in 1 ms. (steps per millisecond=113 )
Parikh walk visited 1 properties in 0 ms.
RANDOM walk for 40000 steps (1261 resets) in 268 ms. (148 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (85 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 536074 steps, run timeout after 3001 ms. (steps per millisecond=178 ) properties seen :0 out of 1
Probabilistic random walk after 536074 steps, saw 83566 distinct states, run finished after 3001 ms. (steps per millisecond=178 ) properties seen :0
[2025-05-30 22:58:29] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:58:29] [INFO ] Invariant cache hit.
[2025-05-30 22:58:29] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 282/290 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/290 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/290 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/290 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/384 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/384 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/384 variables, 5/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/384 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1408/1792 variables, 161/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1792 variables, 72/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1792 variables, 190/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1792 variables, 0/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 46/1838 variables, 27/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 27/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 594 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 282/290 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/290 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/290 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/290 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/384 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/384 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/384 variables, 5/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/384 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/384 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1408/1792 variables, 161/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1792 variables, 72/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1792 variables, 190/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1792 variables, 0/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 46/1838 variables, 27/590 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 27/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 709 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1339ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 857 steps, including 23 resets, run visited all 1 properties in 4 ms. (steps per millisecond=214 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (1265 resets) in 271 ms. (147 steps per ms) remains 1/1 properties
BEST_FIRST walk for 39078 steps (73 resets) in 50 ms. (766 steps per ms) remains 0/1 properties
RANDOM walk for 36452 steps (1140 resets) in 252 ms. (144 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1248 resets) in 269 ms. (148 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (83 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 541260 steps, run timeout after 3001 ms. (steps per millisecond=180 ) properties seen :0 out of 1
Probabilistic random walk after 541260 steps, saw 83741 distinct states, run finished after 3001 ms. (steps per millisecond=180 ) properties seen :0
[2025-05-30 22:58:34] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:58:34] [INFO ] Invariant cache hit.
[2025-05-30 22:58:34] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 286/294 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/294 variables, 12/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/294 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/294 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 93/387 variables, 15/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/387 variables, 93/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/387 variables, 4/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/387 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1407/1794 variables, 161/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1794 variables, 72/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1794 variables, 191/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1794 variables, 0/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 44/1838 variables, 27/590 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 27/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 33/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 549 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 286/294 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/294 variables, 12/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/294 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/294 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 93/387 variables, 15/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/387 variables, 93/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/387 variables, 4/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/387 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/387 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1407/1794 variables, 161/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1794 variables, 72/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1794 variables, 191/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1794 variables, 0/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 44/1838 variables, 27/591 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 27/618 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 33/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 694 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1262ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 72 steps, including 2 resets, run visited all 1 properties in 2 ms. (steps per millisecond=36 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 2294 steps (67 resets) in 24 ms. (91 steps per ms) remains 0/1 properties
RANDOM walk for 2171 steps (64 resets) in 19 ms. (108 steps per ms) remains 0/1 properties
RANDOM walk for 1128 steps (34 resets) in 14 ms. (75 steps per ms) remains 0/1 properties
RANDOM walk for 830 steps (23 resets) in 12 ms. (63 steps per ms) remains 0/1 properties
RANDOM walk for 5715 steps (176 resets) in 38 ms. (146 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1279 resets) in 291 ms. (136 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (81 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 534794 steps, run timeout after 3001 ms. (steps per millisecond=178 ) properties seen :0 out of 1
Probabilistic random walk after 534794 steps, saw 83469 distinct states, run finished after 3001 ms. (steps per millisecond=178 ) properties seen :0
[2025-05-30 22:58:38] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:58:38] [INFO ] Invariant cache hit.
[2025-05-30 22:58:38] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 283/291 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/291 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/385 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/385 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/385 variables, 4/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/385 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1406/1791 variables, 161/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1791 variables, 71/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1791 variables, 190/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1791 variables, 0/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 47/1838 variables, 28/588 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 28/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 558 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 283/291 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/291 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/385 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/385 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/385 variables, 4/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/385 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/385 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1406/1791 variables, 161/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1791 variables, 71/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1791 variables, 190/561 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1791 variables, 0/561 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 47/1838 variables, 28/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 28/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 636 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1217ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1076 steps, including 36 resets, run visited all 1 properties in 8 ms. (steps per millisecond=134 )
Parikh walk visited 1 properties in 7 ms.
RANDOM walk for 40000 steps (1261 resets) in 242 ms. (164 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (84 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 554575 steps, run timeout after 3001 ms. (steps per millisecond=184 ) properties seen :0 out of 1
Probabilistic random walk after 554575 steps, saw 85689 distinct states, run finished after 3001 ms. (steps per millisecond=184 ) properties seen :0
[2025-05-30 22:58:42] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:58:42] [INFO ] Invariant cache hit.
[2025-05-30 22:58:42] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 283/291 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/291 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/385 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/385 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/385 variables, 4/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/385 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1407/1792 variables, 162/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1792 variables, 72/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1792 variables, 190/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1792 variables, 0/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 46/1838 variables, 27/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 27/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 497 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 283/291 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/291 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/385 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/385 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/385 variables, 4/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/385 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/385 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1407/1792 variables, 162/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1792 variables, 72/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1792 variables, 190/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1792 variables, 0/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 46/1838 variables, 27/590 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 27/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 665 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1189ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 8041 steps, including 222 resets, run visited all 1 properties in 35 ms. (steps per millisecond=229 )
Parikh walk visited 1 properties in 36 ms.
RANDOM walk for 40000 steps (1262 resets) in 243 ms. (163 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (79 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 537505 steps, run timeout after 3001 ms. (steps per millisecond=179 ) properties seen :0 out of 1
Probabilistic random walk after 537505 steps, saw 83638 distinct states, run finished after 3001 ms. (steps per millisecond=179 ) properties seen :0
[2025-05-30 22:58:47] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:58:47] [INFO ] Invariant cache hit.
[2025-05-30 22:58:47] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 288/298 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/298 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/298 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 93/391 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/391 variables, 93/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/391 variables, 3/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/391 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1403/1794 variables, 161/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1794 variables, 71/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1794 variables, 191/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1794 variables, 0/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 44/1838 variables, 27/590 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 27/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 33/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 510 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 288/298 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/298 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/298 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 93/391 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/391 variables, 93/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/391 variables, 3/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/391 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/391 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1403/1794 variables, 161/302 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1794 variables, 71/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1794 variables, 191/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1794 variables, 0/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 44/1838 variables, 27/591 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 27/618 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 33/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 545 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1079ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 115 steps, including 3 resets, run visited all 1 properties in 1 ms. (steps per millisecond=115 )
Parikh walk visited 1 properties in 2 ms.
RANDOM walk for 40000 steps (1271 resets) in 279 ms. (142 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (80 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 553373 steps, run timeout after 3001 ms. (steps per millisecond=184 ) properties seen :0 out of 1
Probabilistic random walk after 553373 steps, saw 85491 distinct states, run finished after 3001 ms. (steps per millisecond=184 ) properties seen :0
[2025-05-30 22:58:51] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:58:51] [INFO ] Invariant cache hit.
[2025-05-30 22:58:51] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 282/290 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/290 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/290 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/290 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/384 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/384 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/384 variables, 4/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/384 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1407/1791 variables, 161/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1791 variables, 71/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1791 variables, 190/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1791 variables, 0/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 47/1838 variables, 28/588 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 28/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 471 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 282/290 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/290 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/290 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/290 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/384 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/384 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/384 variables, 4/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/384 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/384 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1407/1791 variables, 161/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1791 variables, 71/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1791 variables, 190/561 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1791 variables, 0/561 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 47/1838 variables, 28/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 28/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 635 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1135ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 37 steps, including 1 resets, run visited all 1 properties in 1 ms. (steps per millisecond=37 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 38832 steps (1238 resets) in 260 ms. (148 steps per ms) remains 0/1 properties
RANDOM walk for 4711 steps (142 resets) in 35 ms. (130 steps per ms) remains 0/1 properties
RANDOM walk for 11231 steps (352 resets) in 82 ms. (135 steps per ms) remains 0/1 properties
RANDOM walk for 1189 steps (35 resets) in 18 ms. (62 steps per ms) remains 0/1 properties
RANDOM walk for 726 steps (21 resets) in 10 ms. (66 steps per ms) remains 0/1 properties
RANDOM walk for 9945 steps (321 resets) in 79 ms. (124 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1262 resets) in 235 ms. (169 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (77 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 546787 steps, run timeout after 3001 ms. (steps per millisecond=182 ) properties seen :0 out of 1
Probabilistic random walk after 546787 steps, saw 84655 distinct states, run finished after 3002 ms. (steps per millisecond=182 ) properties seen :0
[2025-05-30 22:58:55] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:58:55] [INFO ] Invariant cache hit.
[2025-05-30 22:58:55] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 283/291 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/291 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/385 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/385 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/385 variables, 3/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/385 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1406/1791 variables, 162/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1791 variables, 71/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1791 variables, 190/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1791 variables, 0/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 47/1838 variables, 28/588 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 28/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 513 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 283/291 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/291 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/385 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/385 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/385 variables, 3/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/385 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/385 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1406/1791 variables, 162/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1791 variables, 71/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1791 variables, 190/561 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1791 variables, 0/561 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 47/1838 variables, 28/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 28/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 770 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1299ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 487 steps, including 12 resets, run visited all 1 properties in 4 ms. (steps per millisecond=121 )
Parikh walk visited 1 properties in 3 ms.
RANDOM walk for 40000 steps (1257 resets) in 285 ms. (139 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (83 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 522980 steps, run timeout after 3001 ms. (steps per millisecond=174 ) properties seen :0 out of 1
Probabilistic random walk after 522980 steps, saw 82230 distinct states, run finished after 3002 ms. (steps per millisecond=174 ) properties seen :0
[2025-05-30 22:59:00] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:59:00] [INFO ] Invariant cache hit.
[2025-05-30 22:59:00] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 283/291 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/291 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/385 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/385 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/385 variables, 3/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/385 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1407/1792 variables, 163/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1792 variables, 72/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1792 variables, 190/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1792 variables, 0/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 46/1838 variables, 27/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 27/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 481 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 283/291 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/291 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/385 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/385 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/385 variables, 3/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/385 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/385 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1407/1792 variables, 163/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1792 variables, 72/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1792 variables, 190/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1792 variables, 0/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 46/1838 variables, 27/590 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 27/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 590 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1088ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1705 steps, including 50 resets, run visited all 1 properties in 8 ms. (steps per millisecond=213 )
Parikh walk visited 1 properties in 7 ms.
RANDOM walk for 40000 steps (1273 resets) in 237 ms. (168 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (83 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 548680 steps, run timeout after 3001 ms. (steps per millisecond=182 ) properties seen :0 out of 1
Probabilistic random walk after 548680 steps, saw 84893 distinct states, run finished after 3001 ms. (steps per millisecond=182 ) properties seen :0
[2025-05-30 22:59:04] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:59:04] [INFO ] Invariant cache hit.
[2025-05-30 22:59:04] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 288/298 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/298 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/298 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 93/391 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/391 variables, 93/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/391 variables, 2/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/391 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1403/1794 variables, 162/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1794 variables, 71/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1794 variables, 191/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1794 variables, 0/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 44/1838 variables, 27/590 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 27/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 33/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 489 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 288/298 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/298 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/298 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 93/391 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/391 variables, 93/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/391 variables, 2/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/391 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/391 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1403/1794 variables, 162/302 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1794 variables, 71/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1794 variables, 191/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1794 variables, 0/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 44/1838 variables, 27/591 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 27/618 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 33/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 546 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1057ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 745 steps, including 31 resets, run visited all 1 properties in 6 ms. (steps per millisecond=124 )
Parikh walk visited 1 properties in 5 ms.
RANDOM walk for 40000 steps (1253 resets) in 237 ms. (168 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (78 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 535713 steps, run timeout after 3001 ms. (steps per millisecond=178 ) properties seen :0 out of 1
Probabilistic random walk after 535713 steps, saw 83559 distinct states, run finished after 3002 ms. (steps per millisecond=178 ) properties seen :0
[2025-05-30 22:59:08] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:59:08] [INFO ] Invariant cache hit.
[2025-05-30 22:59:08] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 282/290 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/290 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/290 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/290 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/384 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/384 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/384 variables, 3/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/384 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1407/1791 variables, 162/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1791 variables, 71/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1791 variables, 190/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1791 variables, 0/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 47/1838 variables, 28/588 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 28/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 514 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 282/290 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/290 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/290 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/290 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/384 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/384 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/384 variables, 3/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/384 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/384 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1407/1791 variables, 162/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1791 variables, 71/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1791 variables, 190/561 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1791 variables, 0/561 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 47/1838 variables, 28/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 28/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 631 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1167ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1724 steps, including 48 resets, run visited all 1 properties in 9 ms. (steps per millisecond=191 )
Parikh walk visited 1 properties in 9 ms.
RANDOM walk for 40000 steps (1257 resets) in 234 ms. (170 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (77 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 552468 steps, run timeout after 3001 ms. (steps per millisecond=184 ) properties seen :0 out of 1
Probabilistic random walk after 552468 steps, saw 85348 distinct states, run finished after 3001 ms. (steps per millisecond=184 ) properties seen :0
[2025-05-30 22:59:12] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:59:12] [INFO ] Invariant cache hit.
[2025-05-30 22:59:12] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 287/295 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/295 variables, 12/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/295 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 93/388 variables, 15/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/388 variables, 93/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/388 variables, 2/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/388 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1406/1794 variables, 163/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1794 variables, 72/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1794 variables, 191/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1794 variables, 0/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 44/1838 variables, 27/590 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 27/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 33/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 481 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 287/295 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/295 variables, 12/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/295 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 93/388 variables, 15/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/388 variables, 93/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/388 variables, 2/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/388 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/388 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1406/1794 variables, 163/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1794 variables, 72/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1794 variables, 191/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1794 variables, 0/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 44/1838 variables, 27/591 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 27/618 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 33/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 587 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1083ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1042 steps, including 43 resets, run visited all 1 properties in 8 ms. (steps per millisecond=130 )
Parikh walk visited 1 properties in 8 ms.
RANDOM walk for 4113 steps (125 resets) in 45 ms. (89 steps per ms) remains 0/1 properties
RANDOM walk for 7192 steps (222 resets) in 56 ms. (126 steps per ms) remains 0/1 properties
RANDOM walk for 1233 steps (38 resets) in 12 ms. (94 steps per ms) remains 0/1 properties
RANDOM walk for 774 steps (26 resets) in 11 ms. (64 steps per ms) remains 0/1 properties
RANDOM walk for 10099 steps (318 resets) in 68 ms. (146 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1257 resets) in 246 ms. (161 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (83 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 530430 steps, run timeout after 3001 ms. (steps per millisecond=176 ) properties seen :0 out of 1
Probabilistic random walk after 530430 steps, saw 83242 distinct states, run finished after 3002 ms. (steps per millisecond=176 ) properties seen :0
[2025-05-30 22:59:17] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:59:17] [INFO ] Invariant cache hit.
[2025-05-30 22:59:17] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 283/291 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/291 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/385 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/385 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/385 variables, 6/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/385 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1406/1791 variables, 159/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1791 variables, 71/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1791 variables, 190/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1791 variables, 0/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 47/1838 variables, 28/588 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 28/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 572 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 283/291 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/291 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/385 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/385 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/385 variables, 6/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/385 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/385 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1406/1791 variables, 159/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1791 variables, 71/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1791 variables, 190/561 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1791 variables, 0/561 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 47/1838 variables, 28/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 28/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 633 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1222ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 41 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.1 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 174 transition count 734
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 174 transition count 734
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 173 transition count 733
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 173 transition count 733
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: -69
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 1 with 18 rules applied. Total rules applied 51 place count 164 transition count 802
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 60 place count 164 transition count 793
Drop transitions (Redundant composition of simpler transitions.) removed 74 transitions
Redundant transition composition rules discarded 74 transitions
Iterating global reduction 2 with 74 rules applied. Total rules applied 134 place count 164 transition count 719
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 184 place count 164 transition count 649
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 895 edges and 114 vertex of which 113 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 380 place count 113 transition count 504
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 381 place count 113 transition count 503
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 386 place count 108 transition count 473
Iterating global reduction 4 with 5 rules applied. Total rules applied 391 place count 108 transition count 473
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 466 place count 108 transition count 398
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 467 place count 107 transition count 397
Applied a total of 467 rules in 71 ms. Remains 107 /205 variables (removed 98) and now considering 397/1783 (removed 1386) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71 ms. Remains : 107/205 places, 397/1783 transitions.
RANDOM walk for 3310 steps (64 resets) in 15 ms. (206 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1264 resets) in 250 ms. (159 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (83 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 550125 steps, run timeout after 3001 ms. (steps per millisecond=183 ) properties seen :0 out of 1
Probabilistic random walk after 550125 steps, saw 85056 distinct states, run finished after 3002 ms. (steps per millisecond=183 ) properties seen :0
[2025-05-30 22:59:21] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:59:21] [INFO ] Invariant cache hit.
[2025-05-30 22:59:21] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 283/291 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/291 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/385 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/385 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/385 variables, 6/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/385 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1407/1792 variables, 160/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1792 variables, 72/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1792 variables, 190/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1792 variables, 0/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 46/1838 variables, 27/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 27/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 499 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 283/291 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/291 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/385 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/385 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/385 variables, 6/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/385 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/385 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1407/1792 variables, 160/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1792 variables, 72/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1792 variables, 190/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1792 variables, 0/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 46/1838 variables, 27/590 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 27/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 640 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1154ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1709 steps, including 36 resets, run visited all 1 properties in 11 ms. (steps per millisecond=155 )
Parikh walk visited 1 properties in 10 ms.
RANDOM walk for 31728 steps (980 resets) in 194 ms. (162 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1261 resets) in 229 ms. (173 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (82 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 536204 steps, run timeout after 3001 ms. (steps per millisecond=178 ) properties seen :0 out of 1
Probabilistic random walk after 536204 steps, saw 83569 distinct states, run finished after 3002 ms. (steps per millisecond=178 ) properties seen :0
[2025-05-30 22:59:25] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:59:25] [INFO ] Invariant cache hit.
[2025-05-30 22:59:25] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 282/290 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/290 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/290 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/290 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/384 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/384 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/384 variables, 6/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/384 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1407/1791 variables, 159/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1791 variables, 71/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1791 variables, 190/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1791 variables, 0/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 47/1838 variables, 28/588 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 28/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 34/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 494 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 282/290 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/290 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/290 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/290 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 94/384 variables, 15/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/384 variables, 94/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/384 variables, 6/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/384 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/384 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1407/1791 variables, 159/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1791 variables, 71/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1791 variables, 190/561 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1791 variables, 0/561 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 47/1838 variables, 28/589 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 28/617 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 34/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 575 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1084ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 4273 steps, including 126 resets, run visited all 1 properties in 20 ms. (steps per millisecond=213 )
Parikh walk visited 1 properties in 24 ms.
RANDOM walk for 39538 steps (1246 resets) in 239 ms. (164 steps per ms) remains 0/1 properties
RANDOM walk for 3671 steps (114 resets) in 23 ms. (152 steps per ms) remains 0/1 properties
RANDOM walk for 7432 steps (234 resets) in 57 ms. (128 steps per ms) remains 0/1 properties
RANDOM walk for 1505 steps (41 resets) in 19 ms. (75 steps per ms) remains 0/1 properties
RANDOM walk for 474 steps (12 resets) in 7 ms. (59 steps per ms) remains 0/1 properties
RANDOM walk for 2262 steps (66 resets) in 26 ms. (83 steps per ms) remains 0/1 properties
RANDOM walk for 129 steps (3 resets) in 4 ms. (25 steps per ms) remains 0/1 properties
RANDOM walk for 331 steps (9 resets) in 10 ms. (30 steps per ms) remains 0/1 properties
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1286 resets) in 241 ms. (165 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (79 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 546150 steps, run timeout after 3001 ms. (steps per millisecond=181 ) properties seen :0 out of 1
Probabilistic random walk after 546150 steps, saw 84574 distinct states, run finished after 3004 ms. (steps per millisecond=181 ) properties seen :0
[2025-05-30 22:59:30] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:59:30] [INFO ] Invariant cache hit.
[2025-05-30 22:59:30] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 458 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 1/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 570 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1056ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 48 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.1 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 174 transition count 734
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 174 transition count 734
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 173 transition count 733
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 173 transition count 733
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 53 place count 163 transition count 813
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 63 place count 163 transition count 803
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 148 place count 163 transition count 718
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 198 place count 163 transition count 648
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 891 edges and 113 vertex of which 112 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 394 place count 112 transition count 503
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 395 place count 112 transition count 502
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 400 place count 107 transition count 472
Iterating global reduction 4 with 5 rules applied. Total rules applied 405 place count 107 transition count 472
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 480 place count 107 transition count 397
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 481 place count 106 transition count 396
Applied a total of 481 rules in 63 ms. Remains 106 /205 variables (removed 99) and now considering 396/1783 (removed 1387) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 106/205 places, 396/1783 transitions.
RANDOM walk for 730 steps (13 resets) in 6 ms. (104 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1264 resets) in 248 ms. (160 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (86 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 520713 steps, run timeout after 3001 ms. (steps per millisecond=173 ) properties seen :0 out of 1
Probabilistic random walk after 520713 steps, saw 82034 distinct states, run finished after 3001 ms. (steps per millisecond=173 ) properties seen :0
[2025-05-30 22:59:34] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:59:34] [INFO ] Invariant cache hit.
[2025-05-30 22:59:34] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 478 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 1/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 584 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1079ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 33 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.1 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 174 transition count 734
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 174 transition count 734
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 173 transition count 733
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 173 transition count 733
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 53 place count 163 transition count 813
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 63 place count 163 transition count 803
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 148 place count 163 transition count 718
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 198 place count 163 transition count 648
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 891 edges and 113 vertex of which 112 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 394 place count 112 transition count 503
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 395 place count 112 transition count 502
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 400 place count 107 transition count 472
Iterating global reduction 4 with 5 rules applied. Total rules applied 405 place count 107 transition count 472
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 480 place count 107 transition count 397
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 481 place count 106 transition count 396
Applied a total of 481 rules in 62 ms. Remains 106 /205 variables (removed 99) and now considering 396/1783 (removed 1387) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62 ms. Remains : 106/205 places, 396/1783 transitions.
RANDOM walk for 995 steps (18 resets) in 10 ms. (90 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1251 resets) in 262 ms. (152 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (83 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 546764 steps, run timeout after 3001 ms. (steps per millisecond=182 ) properties seen :0 out of 1
Probabilistic random walk after 546764 steps, saw 84653 distinct states, run finished after 3002 ms. (steps per millisecond=182 ) properties seen :0
[2025-05-30 22:59:38] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:59:38] [INFO ] Invariant cache hit.
[2025-05-30 22:59:38] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 456 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 1/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 589 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1064ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 39 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.1 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 174 transition count 734
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 174 transition count 734
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 173 transition count 733
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 173 transition count 733
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 53 place count 163 transition count 813
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 63 place count 163 transition count 803
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 148 place count 163 transition count 718
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 198 place count 163 transition count 648
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 891 edges and 113 vertex of which 112 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 394 place count 112 transition count 503
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 395 place count 112 transition count 502
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 400 place count 107 transition count 472
Iterating global reduction 4 with 5 rules applied. Total rules applied 405 place count 107 transition count 472
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 480 place count 107 transition count 397
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 481 place count 106 transition count 396
Applied a total of 481 rules in 60 ms. Remains 106 /205 variables (removed 99) and now considering 396/1783 (removed 1387) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 106/205 places, 396/1783 transitions.
RANDOM walk for 1214 steps (19 resets) in 10 ms. (110 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1269 resets) in 246 ms. (161 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (81 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 531823 steps, run timeout after 3001 ms. (steps per millisecond=177 ) properties seen :0 out of 1
Probabilistic random walk after 531823 steps, saw 83274 distinct states, run finished after 3002 ms. (steps per millisecond=177 ) properties seen :0
[2025-05-30 22:59:42] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:59:42] [INFO ] Invariant cache hit.
[2025-05-30 22:59:42] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 462 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 1/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 614 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1093ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 33 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.1 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 174 transition count 734
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 174 transition count 734
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 173 transition count 733
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 173 transition count 733
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 53 place count 163 transition count 813
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 63 place count 163 transition count 803
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 148 place count 163 transition count 718
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 198 place count 163 transition count 648
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 891 edges and 113 vertex of which 112 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 394 place count 112 transition count 503
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 395 place count 112 transition count 502
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 400 place count 107 transition count 472
Iterating global reduction 4 with 5 rules applied. Total rules applied 405 place count 107 transition count 472
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 480 place count 107 transition count 397
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 481 place count 106 transition count 396
Applied a total of 481 rules in 63 ms. Remains 106 /205 variables (removed 99) and now considering 396/1783 (removed 1387) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 106/205 places, 396/1783 transitions.
RANDOM walk for 361 steps (5 resets) in 8 ms. (40 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1270 resets) in 241 ms. (165 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (85 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 547815 steps, run timeout after 3001 ms. (steps per millisecond=182 ) properties seen :0 out of 1
Probabilistic random walk after 547815 steps, saw 84788 distinct states, run finished after 3002 ms. (steps per millisecond=182 ) properties seen :0
[2025-05-30 22:59:47] [INFO ] Flow matrix only has 1633 transitions (discarded 150 similar events)
[2025-05-30 22:59:47] [INFO ] Invariant cache hit.
[2025-05-30 22:59:47] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1838 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1838/1838 variables, and 650 constraints, problems are : Problem set: 0 solved, 1 unsolved in 514 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 37/38 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/104 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 66/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1503/1607 variables, 104/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1607 variables, 155/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1607 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 211/1818 variables, 86/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1818 variables, 86/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1818 variables, 45/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1818 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 20/1838 variables, 15/610 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 15/625 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1838 variables, 25/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1838 variables, 1/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1838 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1838/1838 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 589 ms.
Refiners :[Domain max(s): 205/205 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 205/205 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1129ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 37 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 1783/1783 transitions.
Graph (complete) has 1812 edges and 205 vertex of which 179 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.0 ms
Discarding 26 places :
Also discarding 1024 output transitions
Drop transitions (Output transitions of discarded places.) removed 1024 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 179 transition count 739
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 176 transition count 736
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 176 transition count 736
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 174 transition count 734
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 174 transition count 734
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 173 transition count 733
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 173 transition count 733
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -80
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 53 place count 163 transition count 813
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 63 place count 163 transition count 803
Drop transitions (Redundant composition of simpler transitions.) removed 85 transitions
Redundant transition composition rules discarded 85 transitions
Iterating global reduction 2 with 85 rules applied. Total rules applied 148 place count 163 transition count 718
Free-agglomeration rule applied 50 times with reduction of 20 identical transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 198 place count 163 transition count 648
Reduce places removed 50 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 145 transitions.
Graph (complete) has 891 edges and 113 vertex of which 112 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 196 rules applied. Total rules applied 394 place count 112 transition count 503
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 395 place count 112 transition count 502
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 400 place count 107 transition count 472
Iterating global reduction 4 with 5 rules applied. Total rules applied 405 place count 107 transition count 472
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 4 with 75 rules applied. Total rules applied 480 place count 107 transition count 397
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 481 place count 106 transition count 396
Applied a total of 481 rules in 73 ms. Remains 106 /205 variables (removed 99) and now considering 396/1783 (removed 1387) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 73 ms. Remains : 106/205 places, 396/1783 transitions.
RANDOM walk for 995 steps (19 resets) in 9 ms. (99 steps per ms) remains 0/1 properties
RANDOM walk for 6581 steps (208 resets) in 57 ms. (113 steps per ms) remains 0/1 properties
RANDOM walk for 702 steps (22 resets) in 8 ms. (78 steps per ms) remains 0/1 properties
RANDOM walk for 135 steps (4 resets) in 6 ms. (19 steps per ms) remains 0/1 properties
RANDOM walk for 399 steps (11 resets) in 7 ms. (49 steps per ms) remains 0/1 properties
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
RANDOM walk for 2452 steps (75 resets) in 25 ms. (94 steps per ms) remains 0/1 properties
RANDOM walk for 1556 steps (44 resets) in 15 ms. (97 steps per ms) remains 0/1 properties
RANDOM walk for 66 steps (1 resets) in 7 ms. (8 steps per ms) remains 0/1 properties
RANDOM walk for 341 steps (9 resets) in 6 ms. (48 steps per ms) remains 0/1 properties
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
RANDOM walk for 2567 steps (83 resets) in 25 ms. (98 steps per ms) remains 0/1 properties
RANDOM walk for 2065 steps (61 resets) in 24 ms. (82 steps per ms) remains 0/1 properties
RANDOM walk for 67 steps (1 resets) in 5 ms. (11 steps per ms) remains 0/1 properties
RANDOM walk for 129 steps (3 resets) in 6 ms. (18 steps per ms) remains 0/1 properties
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
RANDOM walk for 2895 steps (86 resets) in 31 ms. (90 steps per ms) remains 0/1 properties
RANDOM walk for 223 steps (4 resets) in 6 ms. (31 steps per ms) remains 0/1 properties
RANDOM walk for 328 steps (9 resets) in 7 ms. (41 steps per ms) remains 0/1 properties
RANDOM walk for 4 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/1 properties
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 150 transitions
Reduce isomorphic transitions removed 150 transitions.
Iterating post reduction 0 with 150 rules applied. Total rules applied 150 place count 205 transition count 1633
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 150 place count 205 transition count 1632
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 152 place count 204 transition count 1632
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 1 with 15 rules applied. Total rules applied 167 place count 204 transition count 1617
Applied a total of 167 rules in 32 ms. Remains 204 /205 variables (removed 1) and now considering 1617/1783 (removed 166) transitions.
Running SMT prover for 1142 properties.
// Phase 1: matrix 1617 rows 204 cols
[2025-05-30 23:00:07] [INFO ] Computed 15 invariants in 17 ms
[2025-05-30 23:00:11] [INFO ] [Real]Absence check using 0 positive and 15 generalized place invariants in 4 ms returned sat
SMT process timed out, exceeded limit of 225
[2025-05-30 23:00:16] [INFO ] After 720ms SMT Verify possible using After timeout in real domain returned unsat :0 sat :1137 real:5
[2025-05-30 23:00:16] [INFO ] After 8579ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1137 real:5
[2025-05-30 23:00:20] [INFO ] [Nat]Absence check using 0 positive and 15 generalized place invariants in 4 ms returned sat
SMT process timed out, exceeded limit of 225
[2025-05-30 23:00:24] [INFO ] After 712ms SMT Verify possible using After timeout in natural domain returned unsat :0 sat :1142
[2025-05-30 23:00:24] [INFO ] After 8094ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1142
Over-approximation ignoring read arcs solved 0 properties in 36025 ms.
Unable to solve all queries for examination QuasiLiveness. Remains :1142 assertions to prove.
No /home/mcc/execution/QuasiLiveness.xml examination file found. Proceeding without properties.
Parsed 1142 properties from file /home/mcc/execution/QuasiLiveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 1394160 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running CloudDeployment-PT-5b

IS_COLORED=
IS_NUPN=1

LOADING model.pnml ...
MODEL CLASS: P/T NET WITH NUPN EXTENSION
PLACES: 1525
TRANSITIONS: 3132
CONSTANTS: 0
TEMPLATE VARS: 0
ARCS: 24760
NUPN UNITS: 41
LOADING TIME: 1.6

SAVING AS /home/mcc/execution/model.(net/def) ...
exportGspn useExt=true
SAVING TIME: 0.112
SAVING NAME MAP FILE /home/mcc/execution/model.id2name ...
SAVING NUPN UNITS AS FILE /home/mcc/execution/model.nu ...
TOTAL TIME: 2.145
OK.
----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 1273
MODEL NAME: /home/mcc/execution/model
1525 places, 3132 transitions.

No place bound informations found.
No place bound informations found.
No place bound informations found.
No place bound informations found.
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.

BK_TIME_CONFINEMENT_REACHED

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

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="CloudDeployment-PT-5b"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2024"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool gold2024"
echo " Input is CloudDeployment-PT-5b, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r056-tall-174854041500037"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-5b.tgz
mv CloudDeployment-PT-5b execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;