Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r128-smll-177955743900177.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is EisenbergMcGuire-PT-09, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r128-smll-177955743900177
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.7M
-rw-r--r-- 1 mcc users 7.0K Mar 7 05:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Mar 7 05:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Mar 7 05:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 7 05:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 09:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Mar 15 09:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.5K Mar 7 05:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 7 05:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Mar 7 05:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 96K Mar 7 05:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 2.3M Mar 3 18:30 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779581202901

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=EisenbergMcGuire-PT-09
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-24 00:06:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-24 00:06:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 00:06:45] [INFO ] Load time of PNML (sax parser for PT used): 667 ms
[2026-05-24 00:06:45] [INFO ] Transformed 891 places.
[2026-05-24 00:06:45] [INFO ] Transformed 3888 transitions.
[2026-05-24 00:06:45] [INFO ] Found NUPN structural information;
[2026-05-24 00:06:45] [INFO ] Parsed PT model containing 891 places and 3888 transitions and 18792 arcs in 905 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 891/891 places, 3888/3888 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 891 transition count 3879
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 18 place count 882 transition count 3879
Performed 252 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 252 Pre rules applied. Total rules applied 18 place count 882 transition count 3627
Deduced a syphon composed of 252 places in 25 ms
Reduce places removed 252 places and 0 transitions.
Iterating global reduction 2 with 504 rules applied. Total rules applied 522 place count 630 transition count 3627
Performed 72 Post agglomeration using F-continuation condition.Transition count delta: 72
Deduced a syphon composed of 72 places in 18 ms
Reduce places removed 72 places and 0 transitions.
Iterating global reduction 2 with 144 rules applied. Total rules applied 666 place count 558 transition count 3555
Applied a total of 666 rules in 307 ms. Remains 558 /891 variables (removed 333) and now considering 3555/3888 (removed 333) transitions.
[2026-05-24 00:06:46] [INFO ] Flow matrix only has 1476 transitions (discarded 2079 similar events)
// Phase 1: matrix 1476 rows 558 cols
[2026-05-24 00:06:46] [INFO ] Computed 28 invariants in 61 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 00:06:49] [INFO ] Implicit Places using invariants in 3594 ms returned []
[2026-05-24 00:06:49] [INFO ] Flow matrix only has 1476 transitions (discarded 2079 similar events)
[2026-05-24 00:06:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 00:06:50] [INFO ] State equation strengthened by 932 read => feed constraints.
[2026-05-24 00:07:01] [INFO ] Implicit Places using invariants and state equation in 11967 ms returned []
Implicit Place search using SMT with State Equation took 15624 ms to find 0 implicit places.
Running 3546 sub problems to find dead transitions.
[2026-05-24 00:07:01] [INFO ] Flow matrix only has 1476 transitions (discarded 2079 similar events)
[2026-05-24 00:07:01] [INFO ] Invariant cache hit.
[2026-05-24 00:07:02] [INFO ] State equation strengthened by 932 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/558 variables, 558/558 constraints. Problems are: Problem set: 0 solved, 3546 unsolved
SMT process timed out in 33205ms, After SMT, problems are : Problem set: 0 solved, 3546 unsolved
Search for dead transitions found 0 dead transitions in 33300ms
Starting structural reductions in LIVENESS mode, iteration 1 : 558/891 places, 3555/3888 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 49314 ms. Remains : 558/891 places, 3555/3888 transitions.
Initial state reduction rules removed 9 formulas.
[2026-05-24 00:07:37] [INFO ] Flatten gal took : 978 ms
[2026-05-24 00:07:38] [INFO ] Flatten gal took : 436 ms
[2026-05-24 00:07:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15908814650115311016.gal : 126 ms
[2026-05-24 00:07:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11915339807892602001.prop : 52 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15908814650115311016.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11915339807892602001.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality11915339807892602001.prop.
RANDOM walk for 40000 steps (8 resets) in 21979 ms. (1 steps per ms) remains 2987/3546 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 17 ms. (6 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 17 ms. (6 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 2987/2987 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 2987/2987 properties
[2026-05-24 00:07:41] [INFO ] Flow matrix only has 1476 transitions (discarded 2079 similar events)
[2026-05-24 00:07:41] [INFO ] Invariant cache hit.
[2026-05-24 00:07:41] [INFO ] State equation strengthened by 932 read => feed constraints.
Reachability property qltransition_2828 is true.
Reachability property qltransition_2826 is true.
Reachability property qltransition_2817 is true.
Reachability property qltransition_18 is true.
SDD proceeding with computation,3542 properties remain. new max is 2
SDD size :1 after 5
Reachability property qltransition_2833 is true.
Reachability property qltransition_2831 is true.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,3540 properties remain. new max is 2
SDD size :5 after 7
Reachability property qltransition_2836 is true.
SDD proceeding with computation,3539 properties remain. new max is 2
SDD size :7 after 8
Reachability property qltransition_2829 is true.
Reachability property qltransition_2690 is true.
Reachability property qltransition_2689 is true.
Reachability property qltransition_171 is true.
Reachability property qltransition_27 is true.
SDD proceeding with computation,3534 properties remain. new max is 2
SDD size :8 after 29
SDD proceeding with computation,3534 properties remain. new max is 4
SDD size :29 after 30
Reachability property qltransition_3491 is true.
Reachability property qltransition_2854 is true.
Reachability property qltransition_2852 is true.
Reachability property qltransition_2818 is true.
SDD proceeding with computation,3530 properties remain. new max is 4
SDD size :30 after 34
Reachability property qltransition_2858 is true.
Reachability property qltransition_2855 is true.
SDD proceeding with computation,3528 properties remain. new max is 4
SDD size :34 after 36
Reachability property qltransition_2861 is true.
At refinement iteration 0 (INCLUDED_ONLY) 0/430 variables, 430/430 constraints. Problems are: Problem set: 0 solved, 2987 unsolved
SMT process timed out in 6811ms, After SMT, problems are : Problem set: 3 solved, 2984 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 430 out of 558 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 558/558 places, 3555/3555 transitions.
Applied a total of 0 rules in 337 ms. Remains 558 /558 variables (removed 0) and now considering 3555/3555 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 339 ms. Remains : 558/558 places, 3555/3555 transitions.
SDD proceeding with computation,3527 properties remain. new max is 4
SDD size :36 after 37
Reachability property qltransition_2853 is true.
Reachability property qltransition_2851 is true.
Reachability property qltransition_2827 is true.
SDD proceeding with computation,3524 properties remain. new max is 4
SDD size :37 after 60
SDD proceeding with computation,3524 properties remain. new max is 8
SDD size :60 after 61
SDD proceeding with computation,3524 properties remain. new max is 16
SDD size :61 after 63
SDD proceeding with computation,3524 properties remain. new max is 32
SDD size :63 after 67
Reachability property qltransition_940 is true.
Reachability property qltransition_939 is true.
Reachability property qltransition_747 is true.
Reachability property qltransition_1 is true.
SDD proceeding with computation,3520 properties remain. new max is 32
SDD size :67 after 86
Reachability property qltransition_3 is true.
SDD proceeding with computation,3519 properties remain. new max is 32
SDD size :86 after 99
SDD proceeding with computation,3519 properties remain. new max is 64
SDD size :99 after 101
Reachability property qltransition_2862 is true.
Reachability property qltransition_2837 is true.
Reachability property qltransition_2738 is true.
Reachability property qltransition_2737 is true.
Reachability property qltransition_387 is true.
Reachability property qltransition_54 is true.
SDD proceeding with computation,3513 properties remain. new max is 64
SDD size :101 after 304
SDD proceeding with computation,3513 properties remain. new max is 128
SDD size :304 after 320
Reachability property qltransition_3515 is true.
Reachability property qltransition_2740 is true.
Reachability property qltransition_2739 is true.
Reachability property qltransition_396 is true.
SDD proceeding with computation,3509 properties remain. new max is 128
SDD size :320 after 360
SDD proceeding with computation,3509 properties remain. new max is 256
SDD size :360 after 437
SDD proceeding with computation,3509 properties remain. new max is 512
SDD size :437 after 496
Reachability property qltransition_3518 is true.
Reachability property qltransition_3517 is true.
Reachability property qltransition_3516 is true.
Reachability property qltransition_2938 is true.
Reachability property qltransition_2936 is true.
Reachability property qltransition_2932 is true.
Reachability property qltransition_2929 is true.
Reachability property qltransition_2926 is true.
Reachability property qltransition_2821 is true.
SDD proceeding with computation,3500 properties remain. new max is 512
SDD size :496 after 560
Reachability property qltransition_2928 is true.
Reachability property qltransition_2927 is true.
Reachability property qltransition_2838 is true.
Reachability property qltransition_1516 is true.
Reachability property qltransition_1515 is true.
Reachability property qltransition_819 is true.
Reachability property qltransition_9 is true.
SDD proceeding with computation,3493 properties remain. new max is 512
SDD size :560 after 657
Reachability property qltransition_2931 is true.
Reachability property qltransition_2930 is true.
Reachability property qltransition_2863 is true.
SDD proceeding with computation,3490 properties remain. new max is 512
SDD size :657 after 966
Reachability property qltransition_1541 is true.
Reachability property qltransition_1540 is true.
Reachability property qltransition_1539 is true.
SDD proceeding with computation,3487 properties remain. new max is 512
SDD size :966 after 1287
RANDOM walk for 433632 steps (0 resets) in 120007 ms. (3 steps per ms) remains 2965/2984 properties
BEST_FIRST walk for 4004 steps (8 resets) in 121 ms. (32 steps per ms) remains 2962/2965 properties
BEST_FIRST walk for 4004 steps (8 resets) in 127 ms. (31 steps per ms) remains 2961/2962 properties
BEST_FIRST walk for 4004 steps (8 resets) in 157 ms. (25 steps per ms) remains 2961/2961 properties
BEST_FIRST walk for 4004 steps (8 resets) in 150 ms. (26 steps per ms) remains 2961/2961 properties
BEST_FIRST walk for 4004 steps (8 resets) in 157 ms. (25 steps per ms) remains 2961/2961 properties
BEST_FIRST walk for 4004 steps (8 resets) in 129 ms. (30 steps per ms) remains 2961/2961 properties
BEST_FIRST walk for 4004 steps (8 resets) in 147 ms. (27 steps per ms) remains 2961/2961 properties
BEST_FIRST walk for 4004 steps (8 resets) in 147 ms. (27 steps per ms) remains 2961/2961 properties
BEST_FIRST walk for 4004 steps (8 resets) in 136 ms. (29 steps per ms) remains 2961/2961 properties
BEST_FIRST walk for 4004 steps (8 resets) in 157 ms. (25 steps per ms) remains 2961/2961 properties
BEST_FIRST walk for 4004 steps (8 resets) in 159 ms. (25 steps per ms) remains 2961/2961 properties
BEST_FIRST walk for 4004 steps (8 resets) in 157 ms. (25 steps per ms) remains 2961/2961 properties
BEST_FIRST walk for 4004 steps (8 resets) in 162 ms. (24 steps per ms) remains 2961/2961 properties
BEST_FIRST walk for 4004 steps (8 resets) in 157 ms. (25 steps per ms) remains 2961/2961 properties
BEST_FIRST walk for 4004 steps (8 resets) in 145 ms. (27 steps per ms) remains 2961/2961 properties
BEST_FIRST walk for 4004 steps (8 resets) in 161 ms. (24 steps per ms) remains 2959/2961 properties
BEST_FIRST walk for 4004 steps (8 resets) in 159 ms. (25 steps per ms) remains 2959/2959 properties
BEST_FIRST walk for 4004 steps (8 resets) in 160 ms. (24 steps per ms) remains 2959/2959 properties
BEST_FIRST walk for 4004 steps (8 resets) in 150 ms. (26 steps per ms) remains 2958/2959 properties
BEST_FIRST walk for 4004 steps (8 resets) in 152 ms. (26 steps per ms) remains 2958/2958 properties
BEST_FIRST walk for 4004 steps (8 resets) in 135 ms. (29 steps per ms) remains 2958/2958 properties
BEST_FIRST walk for 4004 steps (8 resets) in 135 ms. (29 steps per ms) remains 2958/2958 properties
BEST_FIRST walk for 4004 steps (8 resets) in 155 ms. (25 steps per ms) remains 2958/2958 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 2958/2958 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 2958/2958 properties
BEST_FIRST walk for 4004 steps (8 resets) in 103 ms. (38 steps per ms) remains 2958/2958 properties
BEST_FIRST walk for 4004 steps (8 resets) in 138 ms. (28 steps per ms) remains 2956/2958 properties
SDD proceeding with computation,3487 properties remain. new max is 1024
SDD size :1287 after 1582
BEST_FIRST walk for 4004 steps (8 resets) in 140 ms. (28 steps per ms) remains 2955/2956 properties
BEST_FIRST walk for 4004 steps (8 resets) in 120 ms. (33 steps per ms) remains 2955/2955 properties
BEST_FIRST walk for 4004 steps (8 resets) in 131 ms. (30 steps per ms) remains 2955/2955 properties
BEST_FIRST walk for 4004 steps (8 resets) in 138 ms. (28 steps per ms) remains 2955/2955 properties
BEST_FIRST walk for 4004 steps (8 resets) in 171 ms. (23 steps per ms) remains 2953/2955 properties
BEST_FIRST walk for 4004 steps (8 resets) in 155 ms. (25 steps per ms) remains 2953/2953 properties
BEST_FIRST walk for 4004 steps (8 resets) in 162 ms. (24 steps per ms) remains 2951/2953 properties
BEST_FIRST walk for 4004 steps (8 resets) in 171 ms. (23 steps per ms) remains 2950/2951 properties
BEST_FIRST walk for 4004 steps (8 resets) in 167 ms. (23 steps per ms) remains 2948/2950 properties
BEST_FIRST walk for 4004 steps (8 resets) in 155 ms. (25 steps per ms) remains 2948/2948 properties
BEST_FIRST walk for 4004 steps (8 resets) in 149 ms. (26 steps per ms) remains 2948/2948 properties
BEST_FIRST walk for 4004 steps (8 resets) in 138 ms. (28 steps per ms) remains 2948/2948 properties
BEST_FIRST walk for 4004 steps (8 resets) in 137 ms. (29 steps per ms) remains 2948/2948 properties
BEST_FIRST walk for 4004 steps (8 resets) in 146 ms. (27 steps per ms) remains 2948/2948 properties
BEST_FIRST walk for 4004 steps (8 resets) in 161 ms. (24 steps per ms) remains 2948/2948 properties
BEST_FIRST walk for 4004 steps (8 resets) in 151 ms. (26 steps per ms) remains 2948/2948 properties
BEST_FIRST walk for 4004 steps (8 resets) in 161 ms. (24 steps per ms) remains 2948/2948 properties
BEST_FIRST walk for 4004 steps (8 resets) in 140 ms. (28 steps per ms) remains 2948/2948 properties
BEST_FIRST walk for 4004 steps (8 resets) in 129 ms. (30 steps per ms) remains 2948/2948 properties
BEST_FIRST walk for 4004 steps (8 resets) in 126 ms. (31 steps per ms) remains 2948/2948 properties
BEST_FIRST walk for 4004 steps (8 resets) in 131 ms. (30 steps per ms) remains 2948/2948 properties
BEST_FIRST walk for 4004 steps (8 resets) in 146 ms. (27 steps per ms) remains 2948/2948 properties
BEST_FIRST walk for 4004 steps (8 resets) in 162 ms. (24 steps per ms) remains 2948/2948 properties
BEST_FIRST walk for 4004 steps (8 resets) in 153 ms. (26 steps per ms) remains 2948/2948 properties
BEST_FIRST walk for 4004 steps (8 resets) in 137 ms. (29 steps per ms) remains 2948/2948 properties
BEST_FIRST walk for 4004 steps (8 resets) in 127 ms. (31 steps per ms) remains 2948/2948 properties
BEST_FIRST walk for 4004 steps (8 resets) in 118 ms. (33 steps per ms) remains 2948/2948 properties
BEST_FIRST walk for 4004 steps (8 resets) in 137 ms. (29 steps per ms) remains 2946/2948 properties
BEST_FIRST walk for 4004 steps (8 resets) in 151 ms. (26 steps per ms) remains 2946/2946 properties
BEST_FIRST walk for 4004 steps (8 resets) in 139 ms. (28 steps per ms) remains 2945/2946 properties
BEST_FIRST walk for 4004 steps (8 resets) in 145 ms. (27 steps per ms) remains 2945/2945 properties
BEST_FIRST walk for 4004 steps (8 resets) in 148 ms. (26 steps per ms) remains 2945/2945 properties
BEST_FIRST walk for 4004 steps (8 resets) in 139 ms. (28 steps per ms) remains 2945/2945 properties
BEST_FIRST walk for 4004 steps (8 resets) in 122 ms. (32 steps per ms) remains 2945/2945 properties
BEST_FIRST walk for 4004 steps (8 resets) in 136 ms. (29 steps per ms) remains 2945/2945 properties
BEST_FIRST walk for 4004 steps (8 resets) in 145 ms. (27 steps per ms) remains 2945/2945 properties
BEST_FIRST walk for 4004 steps (8 resets) in 141 ms. (28 steps per ms) remains 2945/2945 properties
BEST_FIRST walk for 4004 steps (8 resets) in 141 ms. (28 steps per ms) remains 2945/2945 properties
BEST_FIRST walk for 4004 steps (8 resets) in 132 ms. (30 steps per ms) remains 2945/2945 properties
BEST_FIRST walk for 4004 steps (8 resets) in 124 ms. (32 steps per ms) remains 2945/2945 properties
BEST_FIRST walk for 4004 steps (8 resets) in 127 ms. (31 steps per ms) remains 2945/2945 properties
BEST_FIRST walk for 4004 steps (8 resets) in 142 ms. (28 steps per ms) remains 2945/2945 properties
BEST_FIRST walk for 4004 steps (8 resets) in 146 ms. (27 steps per ms) remains 2944/2945 properties
BEST_FIRST walk for 4004 steps (8 resets) in 135 ms. (29 steps per ms) remains 2944/2944 properties
BEST_FIRST walk for 4004 steps (8 resets) in 134 ms. (29 steps per ms) remains 2944/2944 properties
BEST_FIRST walk for 4004 steps (8 resets) in 142 ms. (28 steps per ms) remains 2944/2944 properties
BEST_FIRST walk for 4004 steps (8 resets) in 141 ms. (28 steps per ms) remains 2943/2944 properties
BEST_FIRST walk for 4004 steps (8 resets) in 125 ms. (31 steps per ms) remains 2943/2943 properties
BEST_FIRST walk for 4004 steps (8 resets) in 114 ms. (34 steps per ms) remains 2943/2943 properties
BEST_FIRST walk for 4004 steps (8 resets) in 134 ms. (29 steps per ms) remains 2943/2943 properties
BEST_FIRST walk for 4004 steps (8 resets) in 143 ms. (27 steps per ms) remains 2943/2943 properties
BEST_FIRST walk for 4004 steps (8 resets) in 145 ms. (27 steps per ms) remains 2943/2943 properties
BEST_FIRST walk for 4004 steps (8 resets) in 134 ms. (29 steps per ms) remains 2943/2943 properties
BEST_FIRST walk for 4004 steps (8 resets) in 112 ms. (35 steps per ms) remains 2943/2943 properties
BEST_FIRST walk for 4004 steps (8 resets) in 117 ms. (33 steps per ms) remains 2943/2943 properties
BEST_FIRST walk for 4004 steps (8 resets) in 145 ms. (27 steps per ms) remains 2943/2943 properties
BEST_FIRST walk for 4004 steps (8 resets) in 144 ms. (27 steps per ms) remains 2943/2943 properties
BEST_FIRST walk for 4004 steps (8 resets) in 131 ms. (30 steps per ms) remains 2943/2943 properties
BEST_FIRST walk for 4004 steps (8 resets) in 126 ms. (31 steps per ms) remains 2943/2943 properties
BEST_FIRST walk for 4004 steps (8 resets) in 109 ms. (36 steps per ms) remains 2943/2943 properties
BEST_FIRST walk for 4004 steps (8 resets) in 118 ms. (33 steps per ms) remains 2943/2943 properties
BEST_FIRST walk for 4004 steps (8 resets) in 145 ms. (27 steps per ms) remains 2943/2943 properties
BEST_FIRST walk for 4004 steps (8 resets) in 140 ms. (28 steps per ms) remains 2943/2943 properties
BEST_FIRST walk for 4004 steps (8 resets) in 136 ms. (29 steps per ms) remains 2943/2943 properties
BEST_FIRST walk for 4004 steps (8 resets) in 113 ms. (35 steps per ms) remains 2943/2943 properties
BEST_FIRST walk for 4004 steps (8 resets) in 110 ms. (36 steps per ms) remains 2943/2943 properties
BEST_FIRST walk for 4004 steps (8 resets) in 135 ms. (29 steps per ms) remains 2942/2943 properties
BEST_FIRST walk for 4004 steps (8 resets) in 141 ms. (28 steps per ms) remains 2942/2942 properties
BEST_FIRST walk for 4004 steps (8 resets) in 132 ms. (30 steps per ms) remains 2942/2942 properties
BEST_FIRST walk for 4004 steps (8 resets) in 137 ms. (29 steps per ms) remains 2942/2942 properties
BEST_FIRST walk for 4004 steps (8 resets) in 133 ms. (29 steps per ms) remains 2942/2942 properties
BEST_FIRST walk for 4004 steps (8 resets) in 118 ms. (33 steps per ms) remains 2942/2942 properties
BEST_FIRST walk for 4004 steps (8 resets) in 115 ms. (34 steps per ms) remains 2942/2942 properties
BEST_FIRST walk for 4004 steps (8 resets) in 110 ms. (36 steps per ms) remains 2942/2942 properties
BEST_FIRST walk for 4004 steps (8 resets) in 136 ms. (29 steps per ms) remains 2942/2942 properties
BEST_FIRST walk for 4004 steps (8 resets) in 136 ms. (29 steps per ms) remains 2942/2942 properties
BEST_FIRST walk for 4004 steps (8 resets) in 124 ms. (32 steps per ms) remains 2942/2942 properties
BEST_FIRST walk for 4004 steps (8 resets) in 102 ms. (38 steps per ms) remains 2942/2942 properties
BEST_FIRST walk for 4004 steps (8 resets) in 111 ms. (35 steps per ms) remains 2942/2942 properties
BEST_FIRST walk for 4004 steps (8 resets) in 122 ms. (32 steps per ms) remains 2942/2942 properties
BEST_FIRST walk for 4004 steps (8 resets) in 120 ms. (33 steps per ms) remains 2942/2942 properties
BEST_FIRST walk for 4004 steps (8 resets) in 119 ms. (33 steps per ms) remains 2942/2942 properties
BEST_FIRST walk for 4004 steps (8 resets) in 104 ms. (38 steps per ms) remains 2942/2942 properties
BEST_FIRST walk for 4004 steps (8 resets) in 106 ms. (37 steps per ms) remains 2941/2942 properties
BEST_FIRST walk for 4004 steps (8 resets) in 107 ms. (37 steps per ms) remains 2941/2941 properties
BEST_FIRST walk for 4004 steps (8 resets) in 118 ms. (33 steps per ms) remains 2941/2941 properties
BEST_FIRST walk for 4004 steps (8 resets) in 115 ms. (34 steps per ms) remains 2941/2941 properties
BEST_FIRST walk for 4004 steps (8 resets) in 115 ms. (34 steps per ms) remains 2941/2941 properties
BEST_FIRST walk for 4004 steps (8 resets) in 132 ms. (30 steps per ms) remains 2941/2941 properties
BEST_FIRST walk for 4004 steps (8 resets) in 122 ms. (32 steps per ms) remains 2941/2941 properties
BEST_FIRST walk for 4004 steps (8 resets) in 134 ms. (29 steps per ms) remains 2940/2941 properties
BEST_FIRST walk for 4004 steps (8 resets) in 129 ms. (30 steps per ms) remains 2940/2940 properties
BEST_FIRST walk for 4004 steps (8 resets) in 200 ms. (19 steps per ms) remains 2940/2940 properties
BEST_FIRST walk for 4004 steps (8 resets) in 134 ms. (29 steps per ms) remains 2940/2940 properties
BEST_FIRST walk for 4004 steps (8 resets) in 132 ms. (30 steps per ms) remains 2940/2940 properties
BEST_FIRST walk for 4004 steps (8 resets) in 169 ms. (23 steps per ms) remains 2940/2940 properties
BEST_FIRST walk for 4004 steps (8 resets) in 151 ms. (26 steps per ms) remains 2940/2940 properties
BEST_FIRST walk for 4004 steps (8 resets) in 152 ms. (26 steps per ms) remains 2940/2940 properties
BEST_FIRST walk for 4004 steps (8 resets) in 140 ms. (28 steps per ms) remains 2940/2940 properties
BEST_FIRST walk for 4004 steps (8 resets) in 167 ms. (23 steps per ms) remains 2940/2940 properties
BEST_FIRST walk for 4004 steps (8 resets) in 168 ms. (23 steps per ms) remains 2940/2940 properties
BEST_FIRST walk for 4004 steps (8 resets) in 161 ms. (24 steps per ms) remains 2940/2940 properties
BEST_FIRST walk for 4004 steps (8 resets) in 123 ms. (32 steps per ms) remains 2940/2940 properties
BEST_FIRST walk for 4004 steps (8 resets) in 117 ms. (33 steps per ms) remains 2940/2940 properties
BEST_FIRST walk for 4004 steps (8 resets) in 99 ms. (40 steps per ms) remains 2938/2940 properties
BEST_FIRST walk for 4004 steps (8 resets) in 123 ms. (32 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 128 ms. (31 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 126 ms. (31 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 134 ms. (29 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 131 ms. (30 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 116 ms. (34 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 113 ms. (35 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 116 ms. (34 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 127 ms. (31 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 166 ms. (23 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 167 ms. (23 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 165 ms. (24 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 146 ms. (27 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 141 ms. (28 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 134 ms. (29 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 150 ms. (26 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 130 ms. (30 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 156 ms. (25 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 152 ms. (26 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 144 ms. (27 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 156 ms. (25 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 157 ms. (25 steps per ms) remains 2938/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 151 ms. (26 steps per ms) remains 2937/2938 properties
BEST_FIRST walk for 4004 steps (8 resets) in 143 ms. (27 steps per ms) remains 2937/2937 properties
BEST_FIRST walk for 4004 steps (8 resets) in 150 ms. (26 steps per ms) remains 2937/2937 properties
BEST_FIRST walk for 4004 steps (8 resets) in 132 ms. (30 steps per ms) remains 2937/2937 properties
BEST_FIRST walk for 4004 steps (8 resets) in 133 ms. (29 steps per ms) remains 2936/2937 properties
BEST_FIRST walk for 4004 steps (8 resets) in 151 ms. (26 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 158 ms. (25 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 152 ms. (26 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 143 ms. (27 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 152 ms. (26 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 129 ms. (30 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 151 ms. (26 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 152 ms. (26 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 151 ms. (26 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 139 ms. (28 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 140 ms. (28 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 123 ms. (32 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 126 ms. (31 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 121 ms. (32 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 141 ms. (28 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 144 ms. (27 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 142 ms. (28 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 136 ms. (29 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 119 ms. (33 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 135 ms. (29 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 149 ms. (26 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 148 ms. (26 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 154 ms. (25 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 142 ms. (28 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 173 ms. (23 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 126 ms. (31 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 121 ms. (32 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 122 ms. (32 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 129 ms. (30 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 118 ms. (33 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 120 ms. (33 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 125 ms. (31 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 119 ms. (33 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 155 ms. (25 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 149 ms. (26 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 144 ms. (27 steps per ms) remains 2936/2936 properties
Reachability property qltransition_1013 is true.
Reachability property qltransition_1012 is true.
Reachability property qltransition_1011 is true.
BEST_FIRST walk for 4004 steps (8 resets) in 122 ms. (32 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 127 ms. (31 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 113 ms. (35 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 143 ms. (27 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 127 ms. (31 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 137 ms. (29 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 121 ms. (32 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 137 ms. (29 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 140 ms. (28 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 132 ms. (30 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 2936/2936 properties
BEST_FIRST walk for 4004 steps (8 resets) in 120 ms. (33 steps per ms) remains 2936/2936 properties
SDD proceeding with computation,3484 properties remain. new max is 1024
SDD size :1582 after 1879
BEST_FIRST walk for 4004 steps (8 resets) in 138 ms. (28 steps per ms) remains 2936/2936 properties
Reachability property qltransition_3507 is true.
Reachability property qltransition_2937 is true.
Reachability property qltransition_2859 is true.
Reachability property qltransition_2834 is true.
Reachability property qltransition_2743 is true.
Reachability property qltransition_2724 is true.
Reachability property qltransition_2723 is true.
Reachability property qltransition_2722 is true.
Reachability property qltransition_2721 is true.
Reachability property qltransition_414 is true.
Reachability property qltransition_324 is true.
Reachability property qltransition_315 is true.
Reachability property qltransition_45 is true.
SDD proceeding with computation,3471 properties remain. new max is 1024
SDD size :1879 after 6299
SDD proceeding with computation,3471 properties remain. new max is 2048
SDD size :6299 after 7684
SDD proceeding with computation,3471 properties remain. new max is 4096
SDD size :7684 after 9930
Reachability property qltransition_3509 is true.
Reachability property qltransition_3508 is true.
Reachability property qltransition_2935 is true.
Reachability property qltransition_2913 is true.
Reachability property qltransition_2911 is true.
Reachability property qltransition_2910 is true.
Reachability property qltransition_2907 is true.
Reachability property qltransition_2905 is true.
Reachability property qltransition_2904 is true.
Reachability property qltransition_2903 is true.
Reachability property qltransition_2902 is true.
Reachability property qltransition_2901 is true.
Reachability property qltransition_2835 is true.
Reachability property qltransition_2820 is true.
Reachability property qltransition_2744 is true.
Reachability property qltransition_1589 is true.
Reachability property qltransition_1588 is true.
Reachability property qltransition_1587 is true.
Reachability property qltransition_795 is true.
SDD proceeding with computation,3452 properties remain. new max is 4096
SDD size :9930 after 14930
Reachability property qltransition_2906 is true.
Reachability property qltransition_2860 is true.
Reachability property qltransition_989 is true.
Reachability property qltransition_988 is true.
Reachability property qltransition_987 is true.
SDD proceeding with computation,3447 properties remain. new max is 4096
SDD size :14930 after 22898
Reachability property qltransition_2912 is true.
Reachability property qltransition_1349 is true.
Reachability property qltransition_1348 is true.
Reachability property qltransition_1347 is true.
SDD proceeding with computation,3443 properties remain. new max is 4096
SDD size :22898 after 27876
Reachability property qltransition_1397 is true.
Reachability property qltransition_1396 is true.
Reachability property qltransition_1395 is true.
Reachability property qltransition_1324 is true.
Reachability property qltransition_1323 is true.
Reachability property qltransition_7 is true.
SDD proceeding with computation,3437 properties remain. new max is 4096
SDD size :27876 after 35046
SDD proceeding with computation,3437 properties remain. new max is 8192
SDD size :35046 after 36237
Reachability property qltransition_3499 is true.
Reachability property qltransition_2933 is true.
Reachability property qltransition_2908 is true.
Reachability property qltransition_2856 is true.
Reachability property qltransition_2832 is true.
Reachability property qltransition_2741 is true.
Reachability property qltransition_2725 is true.
Reachability property qltransition_2708 is true.
Reachability property qltransition_2707 is true.
Reachability property qltransition_2706 is true.
Reachability property qltransition_2705 is true.
Reachability property qltransition_405 is true.
Reachability property qltransition_333 is true.
Reachability property qltransition_252 is true.
Reachability property qltransition_243 is true.
Reachability property qltransition_36 is true.
SDD proceeding with computation,3421 properties remain. new max is 8192
SDD size :36237 after 150467
Interrupted probabilistic random walk after 777350 steps, run timeout after 117001 ms. (steps per millisecond=6 ) properties seen :635 out of 2936
Probabilistic random walk after 777350 steps, saw 551728 distinct states, run finished after 117022 ms. (steps per millisecond=6 ) properties seen :635
[2026-05-24 00:10:25] [INFO ] Flow matrix only has 1476 transitions (discarded 2079 similar events)
[2026-05-24 00:10:25] [INFO ] Invariant cache hit.
[2026-05-24 00:10:25] [INFO ] State equation strengthened by 932 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
SDD proceeding with computation,3421 properties remain. new max is 16384
SDD size :150467 after 180552
At refinement iteration 0 (INCLUDED_ONLY) 0/313 variables, 313/313 constraints. Problems are: Problem set: 0 solved, 2274 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/313 variables, 1/314 constraints. Problems are: Problem set: 0 solved, 2274 unsolved
Reachability property qltransition_3500 is true.
Reachability property qltransition_2934 is true.
Reachability property qltransition_2909 is true.
Reachability property qltransition_2888 is true.
Reachability property qltransition_2887 is true.
Reachability property qltransition_2886 is true.
Reachability property qltransition_2885 is true.
Reachability property qltransition_2884 is true.
Reachability property qltransition_2882 is true.
Reachability property qltransition_2881 is true.
Reachability property qltransition_2880 is true.
Reachability property qltransition_2879 is true.
Reachability property qltransition_2878 is true.
Reachability property qltransition_2877 is true.
Reachability property qltransition_2876 is true.
Reachability property qltransition_2857 is true.
Reachability property qltransition_2830 is true.
Reachability property qltransition_2819 is true.
Reachability property qltransition_2742 is true.
Reachability property qltransition_2726 is true.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 313/2034 variables, and 314 constraints, problems are : Problem set: 3 solved, 2271 unsolved in 45054 ms.
Refiners :[Domain max(s): 313/558 constraints, Positive P Invariants (semi-flows): 1/19 constraints, Generalized P Invariants (flows): 0/9 constraints, State Equation: 0/558 constraints, ReadFeed: 0/932 constraints, PredecessorRefiner: 2274/2274 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 2271 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
Reachability property qltransition_1565 is true.
Reachability property qltransition_1564 is true.
Reachability property qltransition_1563 is true.
Reachability property qltransition_965 is true.
Reachability property qltransition_964 is true.
Reachability property qltransition_963 is true.
Reachability property qltransition_771 is true.
At refinement iteration 0 (INCLUDED_ONLY) 0/310 variables, 310/310 constraints. Problems are: Problem set: 9 solved, 2265 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/310 variables, 1/311 constraints. Problems are: Problem set: 9 solved, 2265 unsolved
SDD proceeding with computation,3394 properties remain. new max is 16384
SDD size :180552 after 339243
At refinement iteration 2 (INCLUDED_ONLY) 0/310 variables, 0/311 constraints. Problems are: Problem set: 9 solved, 2265 unsolved
At refinement iteration 3 (OVERLAPS) 248/558 variables, 18/329 constraints. Problems are: Problem set: 9 solved, 2265 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/558 variables, 248/577 constraints. Problems are: Problem set: 9 solved, 2265 unsolved
SMT process timed out in 91257ms, After SMT, problems are : Problem set: 9 solved, 2265 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 310 out of 558 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 558/558 places, 3555/3555 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 551 transition count 3492
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 551 transition count 3492
Applied a total of 14 rules in 239 ms. Remains 551 /558 variables (removed 7) and now considering 3492/3555 (removed 63) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 240 ms. Remains : 551/558 places, 3492/3555 transitions.
RANDOM walk for 548799 steps (0 resets) in 120007 ms. (4 steps per ms) remains 2264/2265 properties
BEST_FIRST walk for 4004 steps (8 resets) in 113 ms. (35 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 82 ms. (48 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 85 ms. (46 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 97 ms. (40 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 103 ms. (38 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 103 ms. (38 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 82 ms. (48 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 104 ms. (38 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 132 ms. (30 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 143 ms. (27 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 134 ms. (29 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 133 ms. (29 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 207 ms. (19 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 189 ms. (21 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 123 ms. (32 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 115 ms. (34 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 157 ms. (25 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 149 ms. (26 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 127 ms. (31 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 141 ms. (28 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 141 ms. (28 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 141 ms. (28 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 139 ms. (28 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 137 ms. (29 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 127 ms. (31 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 134 ms. (29 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 140 ms. (28 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 132 ms. (30 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 122 ms. (32 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 124 ms. (32 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 127 ms. (31 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 129 ms. (30 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 128 ms. (31 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 110 ms. (36 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 108 ms. (36 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 113 ms. (35 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 124 ms. (32 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 130 ms. (30 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 111 ms. (35 steps per ms) remains 2264/2264 properties
Reachability property qltransition_1373 is true.
Reachability property qltransition_1372 is true.
Reachability property qltransition_1371 is true.
BEST_FIRST walk for 4004 steps (8 resets) in 116 ms. (34 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 109 ms. (36 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 113 ms. (35 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 109 ms. (36 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 113 ms. (35 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 113 ms. (35 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 94 ms. (42 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 123 ms. (32 steps per ms) remains 2264/2264 properties
BEST_FIRST walk for 4004 steps (8 resets) in 126 ms. (31 steps per ms) remains 2264/2264 properties
SDD proceeding with computation,3391 properties remain. new max is 16384
SDD size :339243 after 400623
Reachability property qltransition_2883 is true.
SDD proceeding with computation,3390 properties remain. new max is 16384
SDD size :400623 after 448319
Reachability property qltransition_1157 is true.
Reachability property qltransition_1156 is true.
Reachability property qltransition_1155 is true.
Reachability property qltransition_1132 is true.
Reachability property qltransition_1131 is true.
Interrupted probabilistic random walk after 692850 steps, run timeout after 96001 ms. (steps per millisecond=7 ) properties seen :33 out of 2264
Probabilistic random walk after 692850 steps, saw 487780 distinct states, run finished after 96001 ms. (steps per millisecond=7 ) properties seen :33
[2026-05-24 00:14:04] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
// Phase 1: matrix 1413 rows 551 cols
[2026-05-24 00:14:04] [INFO ] Computed 28 invariants in 9 ms
[2026-05-24 00:14:04] [INFO ] State equation strengthened by 876 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
SDD proceeding with computation,3385 properties remain. new max is 16384
SDD size :448319 after 543505
At refinement iteration 0 (INCLUDED_ONLY) 0/297 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/297 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2225 unsolved
At refinement iteration 2 (OVERLAPS) 254/551 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 2225 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/551 variables, 9/28 constraints. Problems are: Problem set: 0 solved, 2225 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 551/1964 variables, and 28 constraints, problems are : Problem set: 0 solved, 2225 unsolved in 75071 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 0/551 constraints, ReadFeed: 0/876 constraints, PredecessorRefiner: 2225/2225 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2225 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/297 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2225 unsolved
Reachability property qltransition_1205 is true.
Reachability property qltransition_1204 is true.
Reachability property qltransition_1203 is true.
Reachability property qltransition_1181 is true.
Reachability property qltransition_1180 is true.
Reachability property qltransition_1179 is true.
At refinement iteration 1 (INCLUDED_ONLY) 0/297 variables, 0/1 constraints. Problems are: Problem set: 6 solved, 2219 unsolved
SDD proceeding with computation,3379 properties remain. new max is 16384
At refinement iteration 2 (OVERLAPS) 254/551 variables, 18/19 constraints. Problems are: Problem set: 6 solved, 2219 unsolved
SDD size :543505 after 595505
At refinement iteration 3 (INCLUDED_ONLY) 0/551 variables, 9/28 constraints. Problems are: Problem set: 6 solved, 2219 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:05] [INFO ] Deduced a trap composed of 15 places in 756 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:06] [INFO ] Deduced a trap composed of 19 places in 732 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:07] [INFO ] Deduced a trap composed of 21 places in 763 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:08] [INFO ] Deduced a trap composed of 23 places in 627 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:08] [INFO ] Deduced a trap composed of 25 places in 695 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:09] [INFO ] Deduced a trap composed of 27 places in 552 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:09] [INFO ] Deduced a trap composed of 29 places in 552 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:10] [INFO ] Deduced a trap composed of 55 places in 538 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:11] [INFO ] Deduced a trap composed of 86 places in 638 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:11] [INFO ] Deduced a trap composed of 88 places in 712 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:12] [INFO ] Deduced a trap composed of 86 places in 546 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:13] [INFO ] Deduced a trap composed of 88 places in 717 ms of which 69 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:13] [INFO ] Deduced a trap composed of 88 places in 671 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:14] [INFO ] Deduced a trap composed of 55 places in 482 ms of which 80 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:15] [INFO ] Deduced a trap composed of 55 places in 674 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:15] [INFO ] Deduced a trap composed of 55 places in 531 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:16] [INFO ] Deduced a trap composed of 55 places in 561 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:16] [INFO ] Deduced a trap composed of 55 places in 486 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:17] [INFO ] Deduced a trap composed of 75 places in 577 ms of which 79 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:17] [INFO ] Deduced a trap composed of 75 places in 509 ms of which 45 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/551 variables, 20/48 constraints. Problems are: Problem set: 6 solved, 2219 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:20] [INFO ] Deduced a trap composed of 22 places in 661 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:21] [INFO ] Deduced a trap composed of 23 places in 394 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:21] [INFO ] Deduced a trap composed of 27 places in 320 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:21] [INFO ] Deduced a trap composed of 31 places in 268 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:21] [INFO ] Deduced a trap composed of 33 places in 206 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:22] [INFO ] Deduced a trap composed of 35 places in 138 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:22] [INFO ] Deduced a trap composed of 17 places in 615 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:23] [INFO ] Deduced a trap composed of 82 places in 709 ms of which 117 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:24] [INFO ] Deduced a trap composed of 82 places in 611 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:24] [INFO ] Deduced a trap composed of 72 places in 562 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:25] [INFO ] Deduced a trap composed of 66 places in 571 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:28] [INFO ] Deduced a trap composed of 100 places in 531 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:28] [INFO ] Deduced a trap composed of 100 places in 499 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:30] [INFO ] Deduced a trap composed of 100 places in 565 ms of which 114 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:31] [INFO ] Deduced a trap composed of 55 places in 658 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:33] [INFO ] Deduced a trap composed of 99 places in 549 ms of which 74 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:34] [INFO ] Deduced a trap composed of 54 places in 667 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:35] [INFO ] Deduced a trap composed of 66 places in 619 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:35] [INFO ] Deduced a trap composed of 66 places in 583 ms of which 69 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:16:36] [INFO ] Deduced a trap composed of 66 places in 535 ms of which 61 ms to minimize.
SMT process timed out in 151338ms, After SMT, problems are : Problem set: 6 solved, 2219 unsolved
Fused 2219 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 297 out of 551 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 551/551 places, 3492/3492 transitions.
Applied a total of 0 rules in 173 ms. Remains 551 /551 variables (removed 0) and now considering 3492/3492 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 173 ms. Remains : 551/551 places, 3492/3492 transitions.
RANDOM walk for 592442 steps (0 resets) in 120005 ms. (4 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 99 ms. (40 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 108 ms. (36 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 85 ms. (46 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 91 ms. (43 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 84 ms. (47 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 106 ms. (37 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 103 ms. (38 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 110 ms. (36 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 106 ms. (37 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 101 ms. (39 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 106 ms. (37 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 104 ms. (38 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 87 ms. (45 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 107 ms. (37 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 104 ms. (38 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 104 ms. (38 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 104 ms. (38 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 108 ms. (36 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 123 ms. (32 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 119 ms. (33 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 110 ms. (36 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 132 ms. (30 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 130 ms. (30 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 127 ms. (31 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 126 ms. (31 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 128 ms. (31 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 132 ms. (30 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 127 ms. (31 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 131 ms. (30 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 130 ms. (30 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 122 ms. (32 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 92 ms. (43 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 92 ms. (43 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 87 ms. (45 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 88 ms. (44 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 93 ms. (42 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 92 ms. (43 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 93 ms. (42 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 91 ms. (43 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 86 ms. (46 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 93 ms. (42 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 90 ms. (44 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 90 ms. (44 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 86 ms. (46 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 93 ms. (42 steps per ms) remains 2219/2219 properties
BEST_FIRST walk for 4004 steps (8 resets) in 93 ms. (42 steps per ms) remains 2219/2219 properties
Reachability property qltransition_5 is true.
SDD proceeding with computation,3378 properties remain. new max is 16384
SDD size :595505 after 678235
Detected timeout of ITS tools.
[2026-05-24 00:17:39] [INFO ] Flatten gal took : 230 ms
[2026-05-24 00:17:39] [INFO ] Applying decomposition
[2026-05-24 00:17:39] [INFO ] Flatten gal took : 258 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph16776282821332617677.txt' '-o' '/tmp/graph16776282821332617677.bin' '-w' '/tmp/graph16776282821332617677.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16776282821332617677.bin' '-l' '-1' '-v' '-w' '/tmp/graph16776282821332617677.weights' '-q' '0' '-e' '0.001'
[2026-05-24 00:17:40] [INFO ] Decomposing Gal with order
[2026-05-24 00:17:40] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 00:17:41] [INFO ] Removed a total of 6055 redundant transitions.
[2026-05-24 00:17:42] [INFO ] Flatten gal took : 1358 ms
[2026-05-24 00:17:42] [INFO ] Fuse similar labels procedure discarded/fused a total of 60 labels/synchronizations in 188 ms.
[2026-05-24 00:17:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality543737399919040854.gal : 69 ms
[2026-05-24 00:17:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3976456769146816426.prop : 44 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality543737399919040854.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3976456769146816426.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/ReachabilityCardinality3976456769146816426.prop.
SDD proceeding with computation,2219 properties remain. new max is 4
SDD size :1 after 18
SDD proceeding with computation,2219 properties remain. new max is 8
SDD size :18 after 27
SDD proceeding with computation,2219 properties remain. new max is 16
SDD size :27 after 27
SDD proceeding with computation,2219 properties remain. new max is 32
SDD size :27 after 27
SDD proceeding with computation,2219 properties remain. new max is 64
SDD size :27 after 27
SDD proceeding with computation,2219 properties remain. new max is 128
SDD size :27 after 27
SDD proceeding with computation,2219 properties remain. new max is 256
SDD size :27 after 170
SDD proceeding with computation,2219 properties remain. new max is 512
SDD size :170 after 220
SDD proceeding with computation,2219 properties remain. new max is 1024
SDD size :220 after 6645
SDD proceeding with computation,2219 properties remain. new max is 2048
SDD size :6645 after 8643
SDD proceeding with computation,2219 properties remain. new max is 4096
SDD size :8643 after 12594
SDD proceeding with computation,2219 properties remain. new max is 8192
SDD size :12594 after 20662
Reachability property qltransition_3201 is true.
SDD proceeding with computation,2218 properties remain. new max is 8192
SDD size :20662 after 34957
Reachability property qltransition_3217 is true.
Reachability property qltransition_3202 is true.
Reachability property qltransition_3168 is true.
Reachability property qltransition_3114 is true.
Reachability property qltransition_2978 is true.
Reachability property qltransition_2842 is true.
Reachability property qltransition_1995 is true.
Reachability property qltransition_1947 is true.
Reachability property qltransition_1902 is true.
Reachability property qltransition_1900 is true.
Reachability property qltransition_1899 is true.
Reachability property qltransition_867 is true.
Reachability property qltransition_738 is true.
Reachability property qltransition_729 is true.
Reachability property qltransition_657 is true.
Reachability property qltransition_639 is true.
Reachability property qltransition_568 is true.
Reachability property qltransition_550 is true.
SDD proceeding with computation,2200 properties remain. new max is 8192
SDD size :34957 after 400239
Interrupted probabilistic random walk after 738390 steps, run timeout after 93001 ms. (steps per millisecond=7 ) properties seen :2 out of 2219
Probabilistic random walk after 738390 steps, saw 518217 distinct states, run finished after 93002 ms. (steps per millisecond=7 ) properties seen :2
[2026-05-24 00:18:41] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
[2026-05-24 00:18:41] [INFO ] Invariant cache hit.
[2026-05-24 00:18:41] [INFO ] State equation strengthened by 876 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
Reachability property qltransition_3153 is true.
Reachability property qltransition_3115 is true.
Reachability property qltransition_3113 is true.
Reachability property qltransition_2589 is true.
Reachability property qltransition_2587 is true.
Reachability property qltransition_1526 is true.
Reachability property qltransition_1136 is true.
Reachability property qltransition_681 is true.
Reachability property qltransition_679 is true.
Reachability property qltransition_609 is true.
Reachability property qltransition_607 is true.
Reachability property qltransition_605 is true.
Reachability property qltransition_393 is true.
Reachability property qltransition_249 is true.
Reachability property qltransition_247 is true.
Reachability property qltransition_177 is true.
Reachability property qltransition_175 is true.
Reachability property qltransition_173 is true.
SDD proceeding with computation,2182 properties remain. new max is 8192
SDD size :400239 after 644903
At refinement iteration 0 (INCLUDED_ONLY) 0/294 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2198 unsolved
Reachability property qltransition_3300 is true.
Reachability property qltransition_3003 is true.
Reachability property qltransition_2111 is true.
Reachability property qltransition_1916 is true.
Reachability property qltransition_1912 is true.
Reachability property qltransition_1911 is true.
Reachability property qltransition_1906 is true.
Reachability property qltransition_1905 is true.
Reachability property qltransition_569 is true.
Reachability property qltransition_538 is true.
Reachability property qltransition_537 is true.
Reachability property qltransition_535 is true.
Reachability property qltransition_533 is true.
Reachability property qltransition_394 is true.
Reachability property qltransition_178 is true.
SDD proceeding with computation,2167 properties remain. new max is 8192
SDD size :644903 after 946864
At refinement iteration 1 (INCLUDED_ONLY) 0/294 variables, 0/1 constraints. Problems are: Problem set: 33 solved, 2165 unsolved
Reachability property qltransition_611 is true.
Reachability property qltransition_539 is true.
Reachability property qltransition_395 is true.
Reachability property qltransition_250 is true.
SDD proceeding with computation,2163 properties remain. new max is 8192
SDD size :946864 after 1.19038e+06
At refinement iteration 2 (OVERLAPS) 257/551 variables, 18/19 constraints. Problems are: Problem set: 37 solved, 2161 unsolved
Reachability property qltransition_251 is true.
Reachability property qltransition_179 is true.
SDD proceeding with computation,2161 properties remain. new max is 8192
SDD size :1.19038e+06 after 1.37048e+06
SDD proceeding with computation,2161 properties remain. new max is 16384
SDD size :1.37048e+06 after 1.5254e+06
At refinement iteration 3 (INCLUDED_ONLY) 0/551 variables, 9/28 constraints. Problems are: Problem set: 37 solved, 2161 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:20:08] [INFO ] Deduced a trap composed of 15 places in 706 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:20:09] [INFO ] Deduced a trap composed of 19 places in 716 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:20:10] [INFO ] Deduced a trap composed of 21 places in 703 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:20:10] [INFO ] Deduced a trap composed of 23 places in 705 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:20:11] [INFO ] Deduced a trap composed of 25 places in 706 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:20:12] [INFO ] Deduced a trap composed of 27 places in 737 ms of which 53 ms to minimize.
SMT process timed out in 91258ms, After SMT, problems are : Problem set: 39 solved, 2159 unsolved
Fused 2159 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 290 out of 551 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 551/551 places, 3492/3492 transitions.
Applied a total of 0 rules in 240 ms. Remains 551 /551 variables (removed 0) and now considering 3492/3492 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 241 ms. Remains : 551/551 places, 3492/3492 transitions.
RANDOM walk for 600099 steps (0 resets) in 120004 ms. (5 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 74 ms. (53 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 95 ms. (41 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 99 ms. (40 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 99 ms. (40 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 100 ms. (39 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 102 ms. (38 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 86 ms. (46 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 93 ms. (42 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 97 ms. (40 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 95 ms. (41 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 100 ms. (39 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 99 ms. (40 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 94 ms. (42 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 100 ms. (39 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 100 ms. (39 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 100 ms. (39 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 98 ms. (40 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 86 ms. (46 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 70 ms. (56 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 82 ms. (48 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 79 ms. (50 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 82 ms. (48 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 79 ms. (50 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 96 ms. (41 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 99 ms. (40 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 98 ms. (40 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 94 ms. (42 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 98 ms. (40 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 95 ms. (41 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 100 ms. (39 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 123 ms. (32 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 131 ms. (30 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 129 ms. (30 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 124 ms. (32 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 126 ms. (31 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 130 ms. (30 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 128 ms. (31 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 129 ms. (30 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 119 ms. (33 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 103 ms. (38 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 114 ms. (34 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 128 ms. (31 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 127 ms. (31 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 122 ms. (32 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 120 ms. (33 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 121 ms. (32 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 101 ms. (39 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 100 ms. (39 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 99 ms. (40 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 89 ms. (44 steps per ms) remains 2159/2159 properties
SDD proceeding with computation,2161 properties remain. new max is 32768
SDD size :1.5254e+06 after 1.5254e+06
SDD proceeding with computation,2161 properties remain. new max is 65536
SDD size :1.5254e+06 after 1.5254e+06
Interrupted probabilistic random walk after 703960 steps, run timeout after 93001 ms. (steps per millisecond=7 ) properties seen :0 out of 2159
Probabilistic random walk after 703960 steps, saw 494999 distinct states, run finished after 93002 ms. (steps per millisecond=7 ) properties seen :0
[2026-05-24 00:22:17] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
[2026-05-24 00:22:17] [INFO ] Invariant cache hit.
[2026-05-24 00:22:17] [INFO ] State equation strengthened by 876 read => feed constraints.
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/290 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2159 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/290 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2159 unsolved
At refinement iteration 2 (OVERLAPS) 261/551 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 2159 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/551 variables, 9/28 constraints. Problems are: Problem set: 0 solved, 2159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:42] [INFO ] Deduced a trap composed of 15 places in 706 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:43] [INFO ] Deduced a trap composed of 19 places in 713 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:44] [INFO ] Deduced a trap composed of 21 places in 694 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:45] [INFO ] Deduced a trap composed of 23 places in 706 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:45] [INFO ] Deduced a trap composed of 31 places in 714 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:46] [INFO ] Deduced a trap composed of 33 places in 702 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:47] [INFO ] Deduced a trap composed of 35 places in 686 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:47] [INFO ] Deduced a trap composed of 55 places in 711 ms of which 78 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:48] [INFO ] Deduced a trap composed of 55 places in 673 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:49] [INFO ] Deduced a trap composed of 55 places in 634 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:49] [INFO ] Deduced a trap composed of 55 places in 613 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:50] [INFO ] Deduced a trap composed of 54 places in 599 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:51] [INFO ] Deduced a trap composed of 68 places in 665 ms of which 87 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:51] [INFO ] Deduced a trap composed of 83 places in 631 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:52] [INFO ] Deduced a trap composed of 84 places in 645 ms of which 83 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:53] [INFO ] Deduced a trap composed of 84 places in 653 ms of which 79 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:53] [INFO ] Deduced a trap composed of 85 places in 632 ms of which 78 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:54] [INFO ] Deduced a trap composed of 96 places in 639 ms of which 87 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:55] [INFO ] Deduced a trap composed of 96 places in 649 ms of which 74 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:55] [INFO ] Deduced a trap composed of 62 places in 734 ms of which 95 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/551 variables, 20/48 constraints. Problems are: Problem set: 0 solved, 2159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:58] [INFO ] Deduced a trap composed of 23 places in 484 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:59] [INFO ] Deduced a trap composed of 35 places in 585 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:23:59] [INFO ] Deduced a trap composed of 54 places in 598 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:24:00] [INFO ] Deduced a trap composed of 3 places in 660 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:24:01] [INFO ] Deduced a trap composed of 17 places in 706 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:24:01] [INFO ] Deduced a trap composed of 29 places in 722 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:24:02] [INFO ] Deduced a trap composed of 39 places in 707 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:24:03] [INFO ] Deduced a trap composed of 62 places in 1086 ms of which 434 ms to minimize.
SMT process timed out in 106260ms, After SMT, problems are : Problem set: 0 solved, 2159 unsolved
Fused 2159 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 290 out of 551 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 551/551 places, 3492/3492 transitions.
Applied a total of 0 rules in 156 ms. Remains 551 /551 variables (removed 0) and now considering 3492/3492 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 157 ms. Remains : 551/551 places, 3492/3492 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 551/551 places, 3492/3492 transitions.
Applied a total of 0 rules in 153 ms. Remains 551 /551 variables (removed 0) and now considering 3492/3492 (removed 0) transitions.
[2026-05-24 00:24:04] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
[2026-05-24 00:24:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 00:24:04] [INFO ] Implicit Places using invariants in 345 ms returned []
[2026-05-24 00:24:04] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
[2026-05-24 00:24:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 00:24:05] [INFO ] State equation strengthened by 876 read => feed constraints.
[2026-05-24 00:24:08] [INFO ] Implicit Places using invariants and state equation in 3920 ms returned []
Implicit Place search using SMT with State Equation took 4274 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 00:24:08] [INFO ] Redundant transitions in 287 ms returned []
Running 3483 sub problems to find dead transitions.
[2026-05-24 00:24:08] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
[2026-05-24 00:24:08] [INFO ] Invariant cache hit.
[2026-05-24 00:24:08] [INFO ] State equation strengthened by 876 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/551 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 3483 unsolved
SMT process timed out in 31855ms, After SMT, problems are : Problem set: 0 solved, 3483 unsolved
Search for dead transitions found 0 dead transitions in 31864ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36597 ms. Remains : 551/551 places, 3492/3492 transitions.
RANDOM walk for 400000 steps (8 resets) in 9875 ms. (40 steps per ms) remains 146/290 properties
Running SMT prover for 146 properties.
[2026-05-24 00:24:43] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
[2026-05-24 00:24:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 00:24:43] [INFO ] [Real]Absence check using 19 positive place invariants in 23 ms returned sat
[2026-05-24 00:24:43] [INFO ] [Real]Absence check using 19 positive and 9 generalized place invariants in 7 ms returned sat
[2026-05-24 00:24:44] [INFO ] After 800ms SMT Verify possible using state equation in real domain returned unsat :0 sat :146
[2026-05-24 00:24:44] [INFO ] State equation strengthened by 876 read => feed constraints.
[2026-05-24 00:24:46] [INFO ] After 2173ms SMT Verify possible using 876 Read/Feed constraints in real domain returned unsat :0 sat :146
TRAPS : Iteration 0
[2026-05-24 00:25:02] [INFO ] After 18077ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:146
[2026-05-24 00:25:02] [INFO ] After 19313ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:146
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 00:25:02] [INFO ] [Nat]Absence check using 19 positive place invariants in 27 ms returned sat
[2026-05-24 00:25:02] [INFO ] [Nat]Absence check using 19 positive and 9 generalized place invariants in 7 ms returned sat
[2026-05-24 00:25:03] [INFO ] After 797ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :146
[2026-05-24 00:25:06] [INFO ] After 3216ms SMT Verify possible using 876 Read/Feed constraints in natural domain returned unsat :0 sat :146
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:07] [INFO ] Deduced a trap composed of 3 places in 346 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:07] [INFO ] Deduced a trap composed of 3 places in 267 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:08] [INFO ] Deduced a trap composed of 3 places in 342 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:08] [INFO ] Deduced a trap composed of 3 places in 231 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:08] [INFO ] Deduced a trap composed of 3 places in 166 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:08] [INFO ] Deduced a trap composed of 27 places in 126 ms of which 6 ms to minimize.
[2026-05-24 00:25:08] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 1953 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:09] [INFO ] Deduced a trap composed of 3 places in 177 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:09] [INFO ] Deduced a trap composed of 3 places in 139 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:09] [INFO ] Deduced a trap composed of 3 places in 85 ms of which 4 ms to minimize.
[2026-05-24 00:25:09] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 637 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:09] [INFO ] Deduced a trap composed of 33 places in 175 ms of which 16 ms to minimize.
[2026-05-24 00:25:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 292 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:10] [INFO ] Deduced a trap composed of 17 places in 264 ms of which 21 ms to minimize.
[2026-05-24 00:25:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 382 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:10] [INFO ] Deduced a trap composed of 21 places in 171 ms of which 14 ms to minimize.
[2026-05-24 00:25:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 301 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:11] [INFO ] Deduced a trap composed of 11 places in 173 ms of which 10 ms to minimize.
[2026-05-24 00:25:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 290 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:12] [INFO ] Deduced a trap composed of 3 places in 112 ms of which 5 ms to minimize.
[2026-05-24 00:25:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 232 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:13] [INFO ] Deduced a trap composed of 23 places in 209 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:13] [INFO ] Deduced a trap composed of 37 places in 147 ms of which 14 ms to minimize.
[2026-05-24 00:25:13] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 613 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:14] [INFO ] Deduced a trap composed of 17 places in 228 ms of which 11 ms to minimize.
[2026-05-24 00:25:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 383 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:14] [INFO ] Deduced a trap composed of 19 places in 226 ms of which 14 ms to minimize.
[2026-05-24 00:25:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 381 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:17] [INFO ] Deduced a trap composed of 23 places in 300 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:17] [INFO ] Deduced a trap composed of 25 places in 235 ms of which 16 ms to minimize.
[2026-05-24 00:25:17] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 757 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:19] [INFO ] Deduced a trap composed of 31 places in 221 ms of which 16 ms to minimize.
[2026-05-24 00:25:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 365 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:22] [INFO ] Deduced a trap composed of 13 places in 456 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:22] [INFO ] Deduced a trap composed of 15 places in 364 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:23] [INFO ] Deduced a trap composed of 19 places in 302 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:23] [INFO ] Deduced a trap composed of 23 places in 221 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:23] [INFO ] Deduced a trap composed of 25 places in 148 ms of which 8 ms to minimize.
[2026-05-24 00:25:23] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1920 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:24] [INFO ] Deduced a trap composed of 15 places in 134 ms of which 6 ms to minimize.
[2026-05-24 00:25:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 258 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:25] [INFO ] Deduced a trap composed of 27 places in 138 ms of which 8 ms to minimize.
[2026-05-24 00:25:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 262 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:26] [INFO ] Deduced a trap composed of 35 places in 171 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:26] [INFO ] Deduced a trap composed of 33 places in 160 ms of which 10 ms to minimize.
[2026-05-24 00:25:26] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 543 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:28] [INFO ] Deduced a trap composed of 21 places in 153 ms of which 6 ms to minimize.
[2026-05-24 00:25:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 289 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:30] [INFO ] Deduced a trap composed of 21 places in 131 ms of which 11 ms to minimize.
[2026-05-24 00:25:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 251 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:32] [INFO ] Deduced a trap composed of 27 places in 148 ms of which 13 ms to minimize.
[2026-05-24 00:25:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 272 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:34] [INFO ] Deduced a trap composed of 29 places in 193 ms of which 18 ms to minimize.
[2026-05-24 00:25:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 305 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:34] [INFO ] Deduced a trap composed of 39 places in 133 ms of which 17 ms to minimize.
[2026-05-24 00:25:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 246 ms
TRAPS : Iteration 1
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:35] [INFO ] Deduced a trap composed of 35 places in 132 ms of which 6 ms to minimize.
[2026-05-24 00:25:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 251 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:37] [INFO ] Deduced a trap composed of 23 places in 323 ms of which 15 ms to minimize.
[2026-05-24 00:25:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 447 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:38] [INFO ] Deduced a trap composed of 25 places in 547 ms of which 40 ms to minimize.
[2026-05-24 00:25:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 673 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:39] [INFO ] Deduced a trap composed of 19 places in 240 ms of which 12 ms to minimize.
[2026-05-24 00:25:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 367 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:43] [INFO ] Deduced a trap composed of 29 places in 209 ms of which 18 ms to minimize.
[2026-05-24 00:25:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 334 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:45] [INFO ] Deduced a trap composed of 25 places in 131 ms of which 8 ms to minimize.
[2026-05-24 00:25:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 249 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:45] [INFO ] Deduced a trap composed of 29 places in 139 ms of which 8 ms to minimize.
[2026-05-24 00:25:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 262 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:52] [INFO ] Deduced a trap composed of 27 places in 132 ms of which 8 ms to minimize.
[2026-05-24 00:25:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 245 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:54] [INFO ] Deduced a trap composed of 31 places in 184 ms of which 10 ms to minimize.
[2026-05-24 00:25:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 295 ms
TRAPS : Iteration 2
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:25:54] [INFO ] Deduced a trap composed of 31 places in 149 ms of which 14 ms to minimize.
[2026-05-24 00:25:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 270 ms
TRAPS : Iteration 3
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:26:13] [INFO ] Deduced a trap composed of 55 places in 682 ms of which 70 ms to minimize.
[2026-05-24 00:26:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 807 ms
TRAPS : Iteration 4
[2026-05-24 00:26:43] [INFO ] After 99600ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :146
[2026-05-24 00:26:47] [INFO ] After 104866ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :146
RANDOM walk for 587726 steps (0 resets) in 120004 ms. (4 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 77 ms. (51 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 86 ms. (46 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 108 ms. (36 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 104 ms. (38 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 99 ms. (40 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 101 ms. (39 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 79 ms. (50 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 97 ms. (40 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 96 ms. (41 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 98 ms. (40 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 95 ms. (41 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 97 ms. (40 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 97 ms. (40 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 99 ms. (40 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 83 ms. (47 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 87 ms. (45 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 99 ms. (40 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 107 ms. (37 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 117 ms. (33 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 109 ms. (36 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 104 ms. (38 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 88 ms. (44 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 89 ms. (44 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 96 ms. (41 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 94 ms. (42 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 123 ms. (32 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 96 ms. (41 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 96 ms. (41 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 88 ms. (44 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 88 ms. (44 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 95 ms. (41 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 83 ms. (47 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 90 ms. (44 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 94 ms. (42 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 94 ms. (42 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 95 ms. (41 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 97 ms. (40 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 94 ms. (42 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 92 ms. (43 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 90 ms. (44 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 97 ms. (40 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 93 ms. (42 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 88 ms. (44 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 88 ms. (44 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 104 ms. (38 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 102 ms. (38 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 104 ms. (38 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 102 ms. (38 steps per ms) remains 2159/2159 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 2159/2159 properties
Detected timeout of ITS tools.
Interrupted probabilistic random walk after 709780 steps, run timeout after 93001 ms. (steps per millisecond=7 ) properties seen :0 out of 2159
Probabilistic random walk after 709780 steps, saw 499072 distinct states, run finished after 93001 ms. (steps per millisecond=7 ) properties seen :0
[2026-05-24 00:28:52] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
[2026-05-24 00:28:52] [INFO ] Invariant cache hit.
[2026-05-24 00:28:52] [INFO ] State equation strengthened by 876 read => feed constraints.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/290 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2159 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/290 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2159 unsolved
At refinement iteration 2 (OVERLAPS) 261/551 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 2159 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/551 variables, 9/28 constraints. Problems are: Problem set: 0 solved, 2159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:23] [INFO ] Deduced a trap composed of 15 places in 723 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:24] [INFO ] Deduced a trap composed of 19 places in 769 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:24] [INFO ] Deduced a trap composed of 21 places in 693 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:25] [INFO ] Deduced a trap composed of 23 places in 765 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:26] [INFO ] Deduced a trap composed of 31 places in 811 ms of which 93 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:27] [INFO ] Deduced a trap composed of 33 places in 921 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:28] [INFO ] Deduced a trap composed of 35 places in 850 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:29] [INFO ] Deduced a trap composed of 55 places in 752 ms of which 96 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:29] [INFO ] Deduced a trap composed of 55 places in 781 ms of which 87 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:30] [INFO ] Deduced a trap composed of 55 places in 640 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:31] [INFO ] Deduced a trap composed of 55 places in 567 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:31] [INFO ] Deduced a trap composed of 54 places in 560 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:32] [INFO ] Deduced a trap composed of 68 places in 616 ms of which 84 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:32] [INFO ] Deduced a trap composed of 83 places in 593 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:33] [INFO ] Deduced a trap composed of 84 places in 600 ms of which 78 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:34] [INFO ] Deduced a trap composed of 84 places in 831 ms of which 112 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:35] [INFO ] Deduced a trap composed of 85 places in 910 ms of which 117 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:36] [INFO ] Deduced a trap composed of 96 places in 740 ms of which 81 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:36] [INFO ] Deduced a trap composed of 96 places in 761 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:37] [INFO ] Deduced a trap composed of 62 places in 690 ms of which 94 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/551 variables, 20/48 constraints. Problems are: Problem set: 0 solved, 2159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:40] [INFO ] Deduced a trap composed of 23 places in 622 ms of which 69 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:41] [INFO ] Deduced a trap composed of 35 places in 838 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:41] [INFO ] Deduced a trap composed of 54 places in 657 ms of which 98 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:42] [INFO ] Deduced a trap composed of 3 places in 868 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:43] [INFO ] Deduced a trap composed of 17 places in 829 ms of which 69 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:44] [INFO ] Deduced a trap composed of 29 places in 999 ms of which 84 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:45] [INFO ] Deduced a trap composed of 39 places in 776 ms of which 102 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:46] [INFO ] Deduced a trap composed of 62 places in 1412 ms of which 510 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:47] [INFO ] Deduced a trap composed of 70 places in 802 ms of which 115 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:48] [INFO ] Deduced a trap composed of 71 places in 949 ms of which 102 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:49] [INFO ] Deduced a trap composed of 62 places in 830 ms of which 153 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:50] [INFO ] Deduced a trap composed of 62 places in 1026 ms of which 243 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:51] [INFO ] Deduced a trap composed of 65 places in 875 ms of which 103 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:52] [INFO ] Deduced a trap composed of 66 places in 748 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:53] [INFO ] Deduced a trap composed of 61 places in 847 ms of which 91 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:30:54] [INFO ] Deduced a trap composed of 67 places in 782 ms of which 136 ms to minimize.
SMT process timed out in 121984ms, After SMT, problems are : Problem set: 0 solved, 2159 unsolved
Fused 2159 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 290 out of 551 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 551/551 places, 3492/3492 transitions.
Applied a total of 0 rules in 220 ms. Remains 551 /551 variables (removed 0) and now considering 3492/3492 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 221 ms. Remains : 551/551 places, 3492/3492 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 551/551 places, 3492/3492 transitions.
Applied a total of 0 rules in 206 ms. Remains 551 /551 variables (removed 0) and now considering 3492/3492 (removed 0) transitions.
[2026-05-24 00:30:54] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
[2026-05-24 00:30:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 00:30:54] [INFO ] Implicit Places using invariants in 436 ms returned []
[2026-05-24 00:30:54] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
[2026-05-24 00:30:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 00:30:55] [INFO ] State equation strengthened by 876 read => feed constraints.
[2026-05-24 00:30:59] [INFO ] Implicit Places using invariants and state equation in 4148 ms returned []
Implicit Place search using SMT with State Equation took 4589 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 00:30:59] [INFO ] Redundant transitions in 299 ms returned []
Running 3483 sub problems to find dead transitions.
[2026-05-24 00:30:59] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
[2026-05-24 00:30:59] [INFO ] Invariant cache hit.
[2026-05-24 00:30:59] [INFO ] State equation strengthened by 876 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/551 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 3483 unsolved
SMT process timed out in 31516ms, After SMT, problems are : Problem set: 0 solved, 3483 unsolved
Search for dead transitions found 0 dead transitions in 31525ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36631 ms. Remains : 551/551 places, 3492/3492 transitions.
RANDOM walk for 400000 steps (8 resets) in 6466 ms. (61 steps per ms) remains 144/290 properties
Running SMT prover for 144 properties.
[2026-05-24 00:31:33] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
[2026-05-24 00:31:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 00:31:33] [INFO ] [Real]Absence check using 19 positive place invariants in 17 ms returned sat
[2026-05-24 00:31:33] [INFO ] [Real]Absence check using 19 positive and 9 generalized place invariants in 7 ms returned sat
[2026-05-24 00:31:34] [INFO ] After 773ms SMT Verify possible using state equation in real domain returned unsat :0 sat :144
[2026-05-24 00:31:34] [INFO ] State equation strengthened by 876 read => feed constraints.
[2026-05-24 00:31:36] [INFO ] After 2135ms SMT Verify possible using 876 Read/Feed constraints in real domain returned unsat :0 sat :144
TRAPS : Iteration 0
[2026-05-24 00:31:53] [INFO ] After 19101ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:144
[2026-05-24 00:31:53] [INFO ] After 20242ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:144
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 00:31:53] [INFO ] [Nat]Absence check using 19 positive place invariants in 17 ms returned sat
[2026-05-24 00:31:53] [INFO ] [Nat]Absence check using 19 positive and 9 generalized place invariants in 8 ms returned sat
[2026-05-24 00:31:54] [INFO ] After 785ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :144
[2026-05-24 00:31:57] [INFO ] After 3231ms SMT Verify possible using 876 Read/Feed constraints in natural domain returned unsat :0 sat :144
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:31:58] [INFO ] Deduced a trap composed of 3 places in 528 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:31:58] [INFO ] Deduced a trap composed of 3 places in 366 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:31:59] [INFO ] Deduced a trap composed of 11 places in 373 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:00] [INFO ] Deduced a trap composed of 21 places in 828 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:00] [INFO ] Deduced a trap composed of 3 places in 763 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:01] [INFO ] Deduced a trap composed of 3 places in 500 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:01] [INFO ] Deduced a trap composed of 23 places in 377 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:02] [INFO ] Deduced a trap composed of 25 places in 262 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:02] [INFO ] Deduced a trap composed of 27 places in 206 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:02] [INFO ] Deduced a trap composed of 39 places in 142 ms of which 15 ms to minimize.
[2026-05-24 00:32:02] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 5079 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:03] [INFO ] Deduced a trap composed of 3 places in 311 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:03] [INFO ] Deduced a trap composed of 3 places in 242 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:03] [INFO ] Deduced a trap composed of 13 places in 180 ms of which 12 ms to minimize.
[2026-05-24 00:32:03] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 960 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:04] [INFO ] Deduced a trap composed of 3 places in 68 ms of which 4 ms to minimize.
[2026-05-24 00:32:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 205 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:05] [INFO ] Deduced a trap composed of 25 places in 199 ms of which 13 ms to minimize.
[2026-05-24 00:32:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 319 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:05] [INFO ] Deduced a trap composed of 3 places in 87 ms of which 4 ms to minimize.
[2026-05-24 00:32:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 221 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:06] [INFO ] Deduced a trap composed of 15 places in 204 ms of which 12 ms to minimize.
[2026-05-24 00:32:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 330 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:07] [INFO ] Deduced a trap composed of 25 places in 127 ms of which 8 ms to minimize.
[2026-05-24 00:32:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 241 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:07] [INFO ] Deduced a trap composed of 19 places in 253 ms of which 18 ms to minimize.
[2026-05-24 00:32:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 363 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:08] [INFO ] Deduced a trap composed of 29 places in 302 ms of which 27 ms to minimize.
[2026-05-24 00:32:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 415 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:09] [INFO ] Deduced a trap composed of 19 places in 352 ms of which 32 ms to minimize.
[2026-05-24 00:32:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 466 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:10] [INFO ] Deduced a trap composed of 31 places in 263 ms of which 29 ms to minimize.
[2026-05-24 00:32:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 372 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:10] [INFO ] Deduced a trap composed of 3 places in 74 ms of which 4 ms to minimize.
[2026-05-24 00:32:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 186 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:11] [INFO ] Deduced a trap composed of 21 places in 301 ms of which 25 ms to minimize.
[2026-05-24 00:32:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 428 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:11] [INFO ] Deduced a trap composed of 25 places in 528 ms of which 35 ms to minimize.
[2026-05-24 00:32:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 657 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:12] [INFO ] Deduced a trap composed of 27 places in 553 ms of which 44 ms to minimize.
[2026-05-24 00:32:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 685 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:13] [INFO ] Deduced a trap composed of 31 places in 176 ms of which 16 ms to minimize.
[2026-05-24 00:32:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 296 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:15] [INFO ] Deduced a trap composed of 17 places in 285 ms of which 19 ms to minimize.
[2026-05-24 00:32:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 396 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:15] [INFO ] Deduced a trap composed of 35 places in 144 ms of which 15 ms to minimize.
[2026-05-24 00:32:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 259 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:16] [INFO ] Deduced a trap composed of 17 places in 179 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:16] [INFO ] Deduced a trap composed of 21 places in 119 ms of which 7 ms to minimize.
[2026-05-24 00:32:16] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 478 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:16] [INFO ] Deduced a trap composed of 27 places in 155 ms of which 18 ms to minimize.
[2026-05-24 00:32:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 268 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:17] [INFO ] Deduced a trap composed of 23 places in 124 ms of which 6 ms to minimize.
[2026-05-24 00:32:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 240 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:18] [INFO ] Deduced a trap composed of 100 places in 562 ms of which 76 ms to minimize.
[2026-05-24 00:32:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 685 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:19] [INFO ] Deduced a trap composed of 33 places in 137 ms of which 13 ms to minimize.
[2026-05-24 00:32:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 281 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:20] [INFO ] Deduced a trap composed of 15 places in 291 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:20] [INFO ] Deduced a trap composed of 19 places in 237 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:20] [INFO ] Deduced a trap composed of 23 places in 167 ms of which 13 ms to minimize.
[2026-05-24 00:32:20] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 981 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:26] [INFO ] Deduced a trap composed of 27 places in 133 ms of which 14 ms to minimize.
[2026-05-24 00:32:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 241 ms
TRAPS : Iteration 1
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:28] [INFO ] Deduced a trap composed of 29 places in 169 ms of which 18 ms to minimize.
[2026-05-24 00:32:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 279 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:28] [INFO ] Deduced a trap composed of 35 places in 174 ms of which 10 ms to minimize.
[2026-05-24 00:32:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 290 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:28] [INFO ] Deduced a trap composed of 37 places in 123 ms of which 8 ms to minimize.
[2026-05-24 00:32:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 260 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:29] [INFO ] Deduced a trap composed of 33 places in 203 ms of which 22 ms to minimize.
[2026-05-24 00:32:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 327 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:33] [INFO ] Deduced a trap composed of 31 places in 143 ms of which 15 ms to minimize.
[2026-05-24 00:32:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 260 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:34] [INFO ] Deduced a trap composed of 23 places in 261 ms of which 20 ms to minimize.
[2026-05-24 00:32:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 379 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:35] [INFO ] Deduced a trap composed of 29 places in 471 ms of which 40 ms to minimize.
[2026-05-24 00:32:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 591 ms
TRAPS : Iteration 2
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:32:50] [INFO ] Deduced a trap composed of 111 places in 541 ms of which 69 ms to minimize.
[2026-05-24 00:32:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 662 ms
TRAPS : Iteration 3
[2026-05-24 00:33:16] [INFO ] After 82508ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :144
[2026-05-24 00:33:20] [INFO ] After 87459ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :144
RANDOM walk for 778 steps (0 resets) in 7 ms. (97 steps per ms) remains 0/1 properties
RANDOM walk for 793 steps (0 resets) in 11 ms. (66 steps per ms) remains 0/1 properties
RANDOM walk for 1956 steps (0 resets) in 15 ms. (122 steps per ms) remains 0/1 properties
RANDOM walk for 2466 steps (0 resets) in 17 ms. (137 steps per ms) remains 0/1 properties
RANDOM walk for 2999 steps (0 resets) in 17 ms. (166 steps per ms) remains 0/1 properties
RANDOM walk for 3698 steps (0 resets) in 20 ms. (176 steps per ms) remains 0/1 properties
RANDOM walk for 4281 steps (0 resets) in 28 ms. (147 steps per ms) remains 0/1 properties
RANDOM walk for 4749 steps (0 resets) in 25 ms. (182 steps per ms) remains 0/1 properties
RANDOM walk for 630 steps (0 resets) in 9 ms. (63 steps per ms) remains 0/1 properties
RANDOM walk for 1266 steps (0 resets) in 11 ms. (105 steps per ms) remains 0/1 properties
RANDOM walk for 2159 steps (0 resets) in 14 ms. (143 steps per ms) remains 0/1 properties
RANDOM walk for 1214 steps (0 resets) in 8 ms. (134 steps per ms) remains 0/1 properties
RANDOM walk for 2383 steps (0 resets) in 12 ms. (183 steps per ms) remains 0/1 properties
RANDOM walk for 3149 steps (0 resets) in 14 ms. (209 steps per ms) remains 0/1 properties
RANDOM walk for 3765 steps (0 resets) in 16 ms. (221 steps per ms) remains 0/1 properties
RANDOM walk for 3881 steps (0 resets) in 20 ms. (184 steps per ms) remains 0/1 properties
RANDOM walk for 4925 steps (0 resets) in 21 ms. (223 steps per ms) remains 0/1 properties
RANDOM walk for 126 steps (0 resets) in 6 ms. (18 steps per ms) remains 0/1 properties
RANDOM walk for 1945 steps (0 resets) in 10 ms. (176 steps per ms) remains 0/1 properties
RANDOM walk for 2464 steps (0 resets) in 13 ms. (176 steps per ms) remains 0/1 properties
RANDOM walk for 2862 steps (0 resets) in 13 ms. (204 steps per ms) remains 0/1 properties
RANDOM walk for 3543 steps (0 resets) in 16 ms. (208 steps per ms) remains 0/1 properties
RANDOM walk for 4707 steps (0 resets) in 21 ms. (213 steps per ms) remains 0/1 properties
RANDOM walk for 4688 steps (0 resets) in 25 ms. (180 steps per ms) remains 0/1 properties
RANDOM walk for 166 steps (0 resets) in 6 ms. (23 steps per ms) remains 0/1 properties
RANDOM walk for 513 steps (0 resets) in 5 ms. (85 steps per ms) remains 0/1 properties
RANDOM walk for 2630 steps (0 resets) in 12 ms. (202 steps per ms) remains 0/1 properties
RANDOM walk for 3126 steps (0 resets) in 15 ms. (195 steps per ms) remains 0/1 properties
RANDOM walk for 3616 steps (0 resets) in 16 ms. (212 steps per ms) remains 0/1 properties
RANDOM walk for 4384 steps (0 resets) in 23 ms. (182 steps per ms) remains 0/1 properties
RANDOM walk for 5064 steps (0 resets) in 20 ms. (241 steps per ms) remains 0/1 properties
RANDOM walk for 173 steps (0 resets) in 6 ms. (24 steps per ms) remains 0/1 properties
RANDOM walk for 539 steps (0 resets) in 7 ms. (67 steps per ms) remains 0/1 properties
RANDOM walk for 1596 steps (0 resets) in 9 ms. (159 steps per ms) remains 0/1 properties
RANDOM walk for 2905 steps (0 resets) in 15 ms. (181 steps per ms) remains 0/1 properties
RANDOM walk for 3722 steps (0 resets) in 18 ms. (195 steps per ms) remains 0/1 properties
RANDOM walk for 4231 steps (0 resets) in 19 ms. (211 steps per ms) remains 0/1 properties
RANDOM walk for 5336 steps (0 resets) in 26 ms. (197 steps per ms) remains 0/1 properties
RANDOM walk for 135 steps (0 resets) in 4 ms. (27 steps per ms) remains 0/1 properties
RANDOM walk for 788 steps (0 resets) in 6 ms. (112 steps per ms) remains 0/1 properties
RANDOM walk for 1524 steps (0 resets) in 10 ms. (138 steps per ms) remains 0/1 properties
RANDOM walk for 1724 steps (0 resets) in 10 ms. (156 steps per ms) remains 0/1 properties
RANDOM walk for 3678 steps (0 resets) in 18 ms. (193 steps per ms) remains 0/1 properties
RANDOM walk for 4257 steps (0 resets) in 19 ms. (212 steps per ms) remains 0/1 properties
RANDOM walk for 4859 steps (0 resets) in 48 ms. (99 steps per ms) remains 0/1 properties
RANDOM walk for 116 steps (0 resets) in 4 ms. (23 steps per ms) remains 0/1 properties
RANDOM walk for 607 steps (0 resets) in 7 ms. (75 steps per ms) remains 0/1 properties
RANDOM walk for 1232 steps (0 resets) in 9 ms. (123 steps per ms) remains 0/1 properties
RANDOM walk for 1932 steps (0 resets) in 11 ms. (161 steps per ms) remains 0/1 properties
RANDOM walk for 2511 steps (0 resets) in 12 ms. (193 steps per ms) remains 0/1 properties
RANDOM walk for 3953 steps (0 resets) in 21 ms. (179 steps per ms) remains 0/1 properties
RANDOM walk for 5038 steps (0 resets) in 26 ms. (186 steps per ms) remains 0/1 properties
RANDOM walk for 86 steps (0 resets) in 6 ms. (12 steps per ms) remains 0/1 properties
RANDOM walk for 799 steps (0 resets) in 7 ms. (99 steps per ms) remains 0/1 properties
RANDOM walk for 1451 steps (0 resets) in 10 ms. (131 steps per ms) remains 0/1 properties
RANDOM walk for 1955 steps (0 resets) in 10 ms. (177 steps per ms) remains 0/1 properties
RANDOM walk for 2415 steps (0 resets) in 14 ms. (161 steps per ms) remains 0/1 properties
RANDOM walk for 3252 steps (0 resets) in 18 ms. (171 steps per ms) remains 0/1 properties
RANDOM walk for 5367 steps (0 resets) in 30 ms. (173 steps per ms) remains 0/1 properties
RANDOM walk for 79 steps (0 resets) in 4 ms. (15 steps per ms) remains 0/1 properties
RANDOM walk for 608 steps (0 resets) in 7 ms. (76 steps per ms) remains 0/1 properties
RANDOM walk for 1444 steps (0 resets) in 9 ms. (144 steps per ms) remains 0/1 properties
RANDOM walk for 2170 steps (0 resets) in 13 ms. (155 steps per ms) remains 0/1 properties
RANDOM walk for 2347 steps (0 resets) in 26 ms. (86 steps per ms) remains 0/1 properties
RANDOM walk for 2873 steps (0 resets) in 14 ms. (191 steps per ms) remains 0/1 properties
RANDOM walk for 3712 steps (0 resets) in 17 ms. (206 steps per ms) remains 0/1 properties
RANDOM walk for 127 steps (0 resets) in 6 ms. (18 steps per ms) remains 0/1 properties
RANDOM walk for 578 steps (0 resets) in 6 ms. (82 steps per ms) remains 0/1 properties
RANDOM walk for 1230 steps (0 resets) in 8 ms. (136 steps per ms) remains 0/1 properties
RANDOM walk for 1712 steps (0 resets) in 10 ms. (155 steps per ms) remains 0/1 properties
RANDOM walk for 2429 steps (0 resets) in 12 ms. (186 steps per ms) remains 0/1 properties
RANDOM walk for 3048 steps (0 resets) in 15 ms. (190 steps per ms) remains 0/1 properties
RANDOM walk for 3830 steps (0 resets) in 15 ms. (239 steps per ms) remains 0/1 properties
RANDOM walk for 4610 steps (0 resets) in 19 ms. (230 steps per ms) remains 0/1 properties
RANDOM walk for 36 steps (0 resets) in 4 ms. (7 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (8 resets) in 194 ms. (205 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 89 ms. (444 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 287360 steps, run timeout after 3001 ms. (steps per millisecond=95 ) properties seen :0 out of 1
Probabilistic random walk after 287360 steps, saw 209673 distinct states, run finished after 3001 ms. (steps per millisecond=95 ) properties seen :0
[2026-05-24 00:33:25] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
[2026-05-24 00:33:25] [INFO ] Invariant cache hit.
[2026-05-24 00:33:25] [INFO ] State equation strengthened by 876 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 58/59 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/61 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 164/225 variables, 61/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/225 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/362 variables, 9/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/362 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/362 variables, 73/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/362 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/554 variables, 88/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/554 variables, 32/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/554 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 377/931 variables, 16/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/931 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/947 variables, 8/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:26] [INFO ] Deduced a trap composed of 72 places in 629 ms of which 77 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/947 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/947 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 1017/1964 variables, 393/687 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/1964 variables, 769/1456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1964 variables, 0/1456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1964 variables, 0/1456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1964/1964 variables, and 1456 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1668 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 551/551 constraints, ReadFeed: 876/876 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 58/59 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/61 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 164/225 variables, 61/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/225 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/362 variables, 9/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/362 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/362 variables, 73/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/362 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/554 variables, 88/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/554 variables, 32/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/554 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 377/931 variables, 16/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/931 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/947 variables, 8/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/947 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/947 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:27] [INFO ] Deduced a trap composed of 3 places in 793 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:28] [INFO ] Deduced a trap composed of 3 places in 671 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:28] [INFO ] Deduced a trap composed of 3 places in 363 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:29] [INFO ] Deduced a trap composed of 3 places in 439 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:29] [INFO ] Deduced a trap composed of 3 places in 349 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:30] [INFO ] Deduced a trap composed of 17 places in 309 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:30] [INFO ] Deduced a trap composed of 3 places in 351 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:30] [INFO ] Deduced a trap composed of 25 places in 190 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:31] [INFO ] Deduced a trap composed of 21 places in 324 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:31] [INFO ] Deduced a trap composed of 3 places in 229 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:31] [INFO ] Deduced a trap composed of 31 places in 192 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:31] [INFO ] Deduced a trap composed of 33 places in 127 ms of which 9 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/947 variables, 12/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/947 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SMT process timed out in 6693ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 34 ms.
Support contains 1 out of 551 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 551/551 places, 3492/3492 transitions.
Discarding 65 places :
Symmetric choice reduction at 0 with 65 rule applications. Total rules 65 place count 486 transition count 2907
Iterating global reduction 0 with 65 rules applied. Total rules applied 130 place count 486 transition count 2907
Applied a total of 130 rules in 164 ms. Remains 486 /551 variables (removed 65) and now considering 2907/3492 (removed 585) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 165 ms. Remains : 486/551 places, 2907/3492 transitions.
RANDOM walk for 20156 steps (4 resets) in 113 ms. (176 steps per ms) remains 0/1 properties
RANDOM walk for 651 steps (0 resets) in 7 ms. (81 steps per ms) remains 0/1 properties
RANDOM walk for 32 steps (0 resets) in 4 ms. (6 steps per ms) remains 0/1 properties
RANDOM walk for 16 steps (0 resets) in 4 ms. (3 steps per ms) remains 0/1 properties
RANDOM walk for 1539 steps (0 resets) in 13 ms. (109 steps per ms) remains 0/1 properties
RANDOM walk for 44 steps (0 resets) in 5 ms. (7 steps per ms) remains 0/1 properties
RANDOM walk for 47 steps (0 resets) in 5 ms. (7 steps per ms) remains 0/1 properties
RANDOM walk for 1758 steps (0 resets) in 17 ms. (97 steps per ms) remains 0/1 properties
RANDOM walk for 45 steps (0 resets) in 5 ms. (7 steps per ms) remains 0/1 properties
RANDOM walk for 37 steps (0 resets) in 5 ms. (6 steps per ms) remains 0/1 properties
RANDOM walk for 2808 steps (0 resets) in 22 ms. (122 steps per ms) remains 0/1 properties
RANDOM walk for 19 steps (0 resets) in 4 ms. (3 steps per ms) remains 0/1 properties
RANDOM walk for 45 steps (0 resets) in 6 ms. (6 steps per ms) remains 0/1 properties
RANDOM walk for 3091 steps (0 resets) in 23 ms. (128 steps per ms) remains 0/1 properties
RANDOM walk for 58 steps (0 resets) in 6 ms. (8 steps per ms) remains 0/1 properties
RANDOM walk for 25 steps (0 resets) in 6 ms. (3 steps per ms) remains 0/1 properties
RANDOM walk for 3583 steps (0 resets) in 43 ms. (81 steps per ms) remains 0/1 properties
RANDOM walk for 39 steps (0 resets) in 4 ms. (7 steps per ms) remains 0/1 properties
RANDOM walk for 46 steps (0 resets) in 5 ms. (7 steps per ms) remains 0/1 properties
RANDOM walk for 4422 steps (0 resets) in 29 ms. (147 steps per ms) remains 0/1 properties
RANDOM walk for 51 steps (0 resets) in 5 ms. (8 steps per ms) remains 0/1 properties
RANDOM walk for 16 steps (0 resets) in 4 ms. (3 steps per ms) remains 0/1 properties
RANDOM walk for 4893 steps (0 resets) in 34 ms. (139 steps per ms) remains 0/1 properties
RANDOM walk for 29 steps (0 resets) in 5 ms. (4 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (8 resets) in 297 ms. (134 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 61 ms. (645 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 288320 steps, run timeout after 3001 ms. (steps per millisecond=96 ) properties seen :0 out of 1
Probabilistic random walk after 288320 steps, saw 210417 distinct states, run finished after 3001 ms. (steps per millisecond=96 ) properties seen :0
[2026-05-24 00:33:35] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
[2026-05-24 00:33:35] [INFO ] Invariant cache hit.
[2026-05-24 00:33:35] [INFO ] State equation strengthened by 876 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 58/59 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/61 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 164/225 variables, 61/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/225 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/362 variables, 9/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/362 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/362 variables, 73/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/362 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/554 variables, 88/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/554 variables, 32/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/554 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 377/931 variables, 16/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/931 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/947 variables, 8/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/947 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1017/1964 variables, 393/686 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1964 variables, 769/1455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/1964 variables, 0/1455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1964 variables, 0/1455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1964/1964 variables, and 1455 constraints, problems are : Problem set: 0 solved, 1 unsolved in 915 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 551/551 constraints, ReadFeed: 876/876 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 58/59 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/61 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 164/225 variables, 61/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/225 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:36] [INFO ] Deduced a trap composed of 3 places in 70 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/225 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 137/362 variables, 9/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/362 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/362 variables, 73/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/362 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 192/554 variables, 88/238 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/554 variables, 32/270 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/554 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 377/931 variables, 16/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/931 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 16/947 variables, 8/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/947 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:37] [INFO ] Deduced a trap composed of 3 places in 566 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:38] [INFO ] Deduced a trap composed of 3 places in 584 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:38] [INFO ] Deduced a trap composed of 3 places in 220 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:38] [INFO ] Deduced a trap composed of 3 places in 163 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:38] [INFO ] Deduced a trap composed of 19 places in 111 ms of which 6 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/947 variables, 5/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/947 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1017/1964 variables, 393/693 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1964 variables, 769/1462 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:39] [INFO ] Deduced a trap composed of 3 places in 72 ms of which 3 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/1964 variables, 1/1463 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1964 variables, 0/1463 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1964 variables, 0/1463 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1964/1964 variables, and 1463 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3033 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 551/551 constraints, ReadFeed: 876/876 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3965ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 50 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=25 )
Parikh walk visited 1 properties in 8 ms.
RANDOM walk for 40000 steps (8 resets) in 314 ms. (126 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 282260 steps, run timeout after 3001 ms. (steps per millisecond=94 ) properties seen :0 out of 1
Probabilistic random walk after 282260 steps, saw 206266 distinct states, run finished after 3001 ms. (steps per millisecond=94 ) properties seen :0
[2026-05-24 00:33:42] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
[2026-05-24 00:33:42] [INFO ] Invariant cache hit.
[2026-05-24 00:33:42] [INFO ] State equation strengthened by 876 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 58/59 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/61 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 164/225 variables, 61/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/225 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/362 variables, 9/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/362 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/362 variables, 73/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/362 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/554 variables, 88/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/554 variables, 32/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/554 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 377/931 variables, 16/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/931 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/947 variables, 8/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/947 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1017/1964 variables, 393/686 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1964 variables, 769/1455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/1964 variables, 0/1455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1964 variables, 0/1455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1964/1964 variables, and 1455 constraints, problems are : Problem set: 0 solved, 1 unsolved in 898 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 551/551 constraints, ReadFeed: 876/876 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 58/59 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/61 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 164/225 variables, 61/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/225 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/362 variables, 9/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/362 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/362 variables, 73/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/362 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/554 variables, 88/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/554 variables, 32/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/554 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 377/931 variables, 16/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/931 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/947 variables, 8/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/947 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:44] [INFO ] Deduced a trap composed of 3 places in 277 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:44] [INFO ] Deduced a trap composed of 3 places in 216 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:44] [INFO ] Deduced a trap composed of 3 places in 342 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:45] [INFO ] Deduced a trap composed of 3 places in 230 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:45] [INFO ] Deduced a trap composed of 3 places in 167 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:45] [INFO ] Deduced a trap composed of 27 places in 124 ms of which 9 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/947 variables, 6/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/947 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1017/1964 variables, 393/693 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1964 variables, 769/1462 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:46] [INFO ] Deduced a trap composed of 13 places in 228 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:46] [INFO ] Deduced a trap composed of 3 places in 126 ms of which 7 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1964 variables, 2/1464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1964 variables, 0/1464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1964 variables, 0/1464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1964/1964 variables, and 1464 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3116 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 551/551 constraints, ReadFeed: 876/876 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4035ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 73 ms.
Support contains 1 out of 551 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 551/551 places, 3492/3492 transitions.
Discarding 65 places :
Symmetric choice reduction at 0 with 65 rule applications. Total rules 65 place count 486 transition count 2907
Iterating global reduction 0 with 65 rules applied. Total rules applied 130 place count 486 transition count 2907
Applied a total of 130 rules in 138 ms. Remains 486 /551 variables (removed 65) and now considering 2907/3492 (removed 585) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 139 ms. Remains : 486/551 places, 2907/3492 transitions.
RANDOM walk for 40000 steps (8 resets) in 198 ms. (201 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 321300 steps, run timeout after 3001 ms. (steps per millisecond=107 ) properties seen :0 out of 1
Probabilistic random walk after 321300 steps, saw 202075 distinct states, run finished after 3001 ms. (steps per millisecond=107 ) properties seen :0
[2026-05-24 00:33:49] [INFO ] Flow matrix only has 828 transitions (discarded 2079 similar events)
// Phase 1: matrix 828 rows 486 cols
[2026-05-24 00:33:50] [INFO ] Computed 28 invariants in 7 ms
[2026-05-24 00:33:50] [INFO ] State equation strengthened by 356 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 50/51 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/53 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 92/145 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/145 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/145 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/282 variables, 9/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/282 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/282 variables, 9/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/282 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/474 variables, 88/165 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/474 variables, 32/197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/474 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 320/794 variables, 16/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/794 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/810 variables, 8/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/810 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 504/1314 variables, 336/557 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1314 variables, 313/870 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/1314 variables, 0/870 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1314 variables, 0/870 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1314/1314 variables, and 870 constraints, problems are : Problem set: 0 solved, 1 unsolved in 626 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 486/486 constraints, ReadFeed: 356/356 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 50/51 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/53 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 92/145 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/145 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:50] [INFO ] Deduced a trap composed of 3 places in 97 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/145 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/145 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 137/282 variables, 9/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/282 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/282 variables, 9/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/282 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 192/474 variables, 88/166 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/474 variables, 32/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/474 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 320/794 variables, 16/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/794 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 16/810 variables, 8/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/810 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:51] [INFO ] Deduced a trap composed of 3 places in 78 ms of which 3 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/810 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/810 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 504/1314 variables, 336/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1314 variables, 313/873 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:51] [INFO ] Deduced a trap composed of 3 places in 109 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:51] [INFO ] Deduced a trap composed of 3 places in 71 ms of which 4 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/1314 variables, 2/875 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1314 variables, 0/875 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1314 variables, 0/875 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1314/1314 variables, and 875 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1713 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 486/486 constraints, ReadFeed: 356/356 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2360ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1915 steps, including 57 resets, run visited all 1 properties in 12 ms. (steps per millisecond=159 )
Parikh walk visited 1 properties in 13 ms.
RANDOM walk for 40000 steps (8 resets) in 172 ms. (231 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 283670 steps, run timeout after 3001 ms. (steps per millisecond=94 ) properties seen :0 out of 1
Probabilistic random walk after 283670 steps, saw 207239 distinct states, run finished after 3001 ms. (steps per millisecond=94 ) properties seen :0
[2026-05-24 00:33:55] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
// Phase 1: matrix 1413 rows 551 cols
[2026-05-24 00:33:55] [INFO ] Computed 28 invariants in 7 ms
[2026-05-24 00:33:55] [INFO ] State equation strengthened by 876 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 58/59 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/61 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 164/225 variables, 61/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/225 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/362 variables, 9/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/362 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/362 variables, 73/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/362 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/554 variables, 88/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/554 variables, 32/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/554 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 377/931 variables, 16/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/931 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/947 variables, 8/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/947 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1017/1964 variables, 393/686 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1964 variables, 769/1455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/1964 variables, 0/1455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1964 variables, 0/1455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1964/1964 variables, and 1455 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1033 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 551/551 constraints, ReadFeed: 876/876 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 58/59 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/61 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 164/225 variables, 61/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/225 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/362 variables, 9/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/362 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/362 variables, 73/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/362 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/554 variables, 88/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/554 variables, 32/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/554 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 377/931 variables, 16/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/931 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/947 variables, 8/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/947 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:57] [INFO ] Deduced a trap composed of 3 places in 577 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:57] [INFO ] Deduced a trap composed of 3 places in 347 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:58] [INFO ] Deduced a trap composed of 3 places in 417 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:58] [INFO ] Deduced a trap composed of 27 places in 435 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:59] [INFO ] Deduced a trap composed of 3 places in 413 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:33:59] [INFO ] Deduced a trap composed of 29 places in 377 ms of which 32 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/947 variables, 6/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/947 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1017/1964 variables, 393/693 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1964 variables, 769/1462 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:00] [INFO ] Deduced a trap composed of 3 places in 238 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:00] [INFO ] Deduced a trap composed of 3 places in 178 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:00] [INFO ] Deduced a trap composed of 11 places in 126 ms of which 5 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1964 variables, 3/1465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1964 variables, 0/1465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1964 variables, 0/1465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1964/1964 variables, and 1465 constraints, problems are : Problem set: 0 solved, 1 unsolved in 4637 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 551/551 constraints, ReadFeed: 876/876 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5691ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 10768 steps, including 426 resets, run visited all 1 properties in 76 ms. (steps per millisecond=141 )
Parikh walk visited 1 properties in 77 ms.
RANDOM walk for 127 steps (0 resets) in 5 ms. (21 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (8 resets) in 166 ms. (239 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 292660 steps, run timeout after 3001 ms. (steps per millisecond=97 ) properties seen :0 out of 1
Probabilistic random walk after 292660 steps, saw 213451 distinct states, run finished after 3001 ms. (steps per millisecond=97 ) properties seen :0
[2026-05-24 00:34:04] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
[2026-05-24 00:34:04] [INFO ] Invariant cache hit.
[2026-05-24 00:34:04] [INFO ] State equation strengthened by 876 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 58/59 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/61 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 164/225 variables, 61/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/225 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/362 variables, 9/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/362 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/362 variables, 73/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/362 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/554 variables, 88/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/554 variables, 32/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/554 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 377/931 variables, 16/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/931 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/947 variables, 8/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/947 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1017/1964 variables, 393/686 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1964 variables, 769/1455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/1964 variables, 0/1455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1964 variables, 0/1455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1964/1964 variables, and 1455 constraints, problems are : Problem set: 0 solved, 1 unsolved in 921 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 551/551 constraints, ReadFeed: 876/876 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 58/59 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/61 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 164/225 variables, 61/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/225 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/362 variables, 9/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/362 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/362 variables, 73/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/362 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/554 variables, 88/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/554 variables, 32/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/554 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 377/931 variables, 16/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/931 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/947 variables, 8/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/947 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:06] [INFO ] Deduced a trap composed of 3 places in 587 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:06] [INFO ] Deduced a trap composed of 3 places in 294 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:06] [INFO ] Deduced a trap composed of 3 places in 322 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:07] [INFO ] Deduced a trap composed of 3 places in 171 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:07] [INFO ] Deduced a trap composed of 3 places in 120 ms of which 6 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/947 variables, 5/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:07] [INFO ] Deduced a trap composed of 3 places in 168 ms of which 8 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/947 variables, 1/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/947 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1017/1964 variables, 393/693 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1964 variables, 769/1462 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:08] [INFO ] Deduced a trap composed of 3 places in 115 ms of which 5 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/1964 variables, 1/1463 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:08] [INFO ] Deduced a trap composed of 3 places in 201 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:08] [INFO ] Deduced a trap composed of 13 places in 228 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:08] [INFO ] Deduced a trap composed of 17 places in 178 ms of which 8 ms to minimize.
At refinement iteration 25 (INCLUDED_ONLY) 0/1964 variables, 3/1466 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1964 variables, 0/1466 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/1964 variables, 0/1466 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1964/1964 variables, and 1466 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3878 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 551/551 constraints, ReadFeed: 876/876 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4821ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 49 ms.
Support contains 1 out of 551 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 551/551 places, 3492/3492 transitions.
Discarding 65 places :
Symmetric choice reduction at 0 with 65 rule applications. Total rules 65 place count 486 transition count 2907
Iterating global reduction 0 with 65 rules applied. Total rules applied 130 place count 486 transition count 2907
Applied a total of 130 rules in 133 ms. Remains 486 /551 variables (removed 65) and now considering 2907/3492 (removed 585) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 134 ms. Remains : 486/551 places, 2907/3492 transitions.
RANDOM walk for 40000 steps (8 resets) in 220 ms. (180 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 322980 steps, run timeout after 3001 ms. (steps per millisecond=107 ) properties seen :0 out of 1
Probabilistic random walk after 322980 steps, saw 203086 distinct states, run finished after 3001 ms. (steps per millisecond=107 ) properties seen :0
[2026-05-24 00:34:12] [INFO ] Flow matrix only has 828 transitions (discarded 2079 similar events)
// Phase 1: matrix 828 rows 486 cols
[2026-05-24 00:34:12] [INFO ] Computed 28 invariants in 8 ms
[2026-05-24 00:34:12] [INFO ] State equation strengthened by 356 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 50/51 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/53 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 92/145 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/145 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/145 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/282 variables, 9/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/282 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/282 variables, 9/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/282 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/474 variables, 88/165 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/474 variables, 32/197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/474 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 320/794 variables, 16/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/794 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/810 variables, 8/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/810 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 504/1314 variables, 336/557 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1314 variables, 313/870 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/1314 variables, 0/870 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1314 variables, 0/870 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1314/1314 variables, and 870 constraints, problems are : Problem set: 0 solved, 1 unsolved in 662 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 486/486 constraints, ReadFeed: 356/356 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 50/51 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/53 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 92/145 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/145 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/145 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/282 variables, 9/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/282 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/282 variables, 9/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/282 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/474 variables, 88/165 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/474 variables, 32/197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/474 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 320/794 variables, 16/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/794 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/810 variables, 8/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/810 variables, 1/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:13] [INFO ] Deduced a trap composed of 3 places in 518 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:14] [INFO ] Deduced a trap composed of 3 places in 236 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:14] [INFO ] Deduced a trap composed of 3 places in 191 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:14] [INFO ] Deduced a trap composed of 3 places in 192 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:14] [INFO ] Deduced a trap composed of 11 places in 198 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:14] [INFO ] Deduced a trap composed of 13 places in 150 ms of which 12 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/810 variables, 6/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/810 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 504/1314 variables, 336/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1314 variables, 313/877 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1314 variables, 0/877 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:15] [INFO ] Deduced a trap composed of 3 places in 89 ms of which 6 ms to minimize.
At refinement iteration 24 (OVERLAPS) 0/1314 variables, 1/878 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1314 variables, 0/878 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1314 variables, 0/878 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1314/1314 variables, and 878 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2730 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 486/486 constraints, ReadFeed: 356/356 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3414ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 41 ms.
Support contains 1 out of 486 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 486/486 places, 2907/2907 transitions.
Applied a total of 0 rules in 122 ms. Remains 486 /486 variables (removed 0) and now considering 2907/2907 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 122 ms. Remains : 486/486 places, 2907/2907 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 486/486 places, 2907/2907 transitions.
Applied a total of 0 rules in 108 ms. Remains 486 /486 variables (removed 0) and now considering 2907/2907 (removed 0) transitions.
[2026-05-24 00:34:16] [INFO ] Flow matrix only has 828 transitions (discarded 2079 similar events)
[2026-05-24 00:34:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 00:34:17] [INFO ] Implicit Places using invariants in 1197 ms returned []
[2026-05-24 00:34:17] [INFO ] Flow matrix only has 828 transitions (discarded 2079 similar events)
[2026-05-24 00:34:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 00:34:17] [INFO ] State equation strengthened by 356 read => feed constraints.
[2026-05-24 00:34:21] [INFO ] Implicit Places using invariants and state equation in 4626 ms returned []
Implicit Place search using SMT with State Equation took 5832 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 00:34:22] [INFO ] Redundant transitions in 108 ms returned []
Running 2898 sub problems to find dead transitions.
[2026-05-24 00:34:22] [INFO ] Flow matrix only has 828 transitions (discarded 2079 similar events)
[2026-05-24 00:34:22] [INFO ] Invariant cache hit.
[2026-05-24 00:34:22] [INFO ] State equation strengthened by 356 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/486 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 2898 unsolved
SMT process timed out in 31183ms, After SMT, problems are : Problem set: 0 solved, 2898 unsolved
Search for dead transitions found 0 dead transitions in 31192ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37257 ms. Remains : 486/486 places, 2907/2907 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 2702 edges and 486 vertex of which 81 / 486 are part of one of the 9 SCC in 5 ms
Free SCC test removed 72 places
Drop transitions (Empty/Sink Transition effects.) removed 279 transitions
Ensure Unique test removed 2016 transitions
Reduce isomorphic transitions removed 2295 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 97 transitions
Trivial Post-agglo rules discarded 97 transitions
Performed 97 trivial Post agglomeration. Transition count delta: 97
Iterating post reduction 0 with 97 rules applied. Total rules applied 98 place count 414 transition count 515
Reduce places removed 97 places and 0 transitions.
Iterating post reduction 1 with 97 rules applied. Total rules applied 195 place count 317 transition count 515
Performed 19 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 19 Pre rules applied. Total rules applied 195 place count 317 transition count 496
Deduced a syphon composed of 19 places in 0 ms
Ensure Unique test removed 9 places
Reduce places removed 28 places and 0 transitions.
Iterating global reduction 2 with 47 rules applied. Total rules applied 242 place count 289 transition count 496
Performed 143 Post agglomeration using F-continuation condition.Transition count delta: 143
Deduced a syphon composed of 143 places in 0 ms
Reduce places removed 143 places and 0 transitions.
Iterating global reduction 2 with 286 rules applied. Total rules applied 528 place count 146 transition count 353
Ensure Unique test removed 70 transitions
Reduce isomorphic transitions removed 70 transitions.
Iterating post reduction 2 with 70 rules applied. Total rules applied 598 place count 146 transition count 283
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 616 place count 137 transition count 283
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 3 with 9 rules applied. Total rules applied 625 place count 137 transition count 274
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 635 place count 137 transition count 264
Free-agglomeration rule applied 73 times.
Iterating global reduction 4 with 73 rules applied. Total rules applied 708 place count 137 transition count 191
Reduce places removed 73 places and 0 transitions.
Iterating post reduction 4 with 73 rules applied. Total rules applied 781 place count 64 transition count 191
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 5 with 9 rules applied. Total rules applied 790 place count 64 transition count 191
Applied a total of 790 rules in 72 ms. Remains 64 /486 variables (removed 422) and now considering 191/2907 (removed 2716) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 191 rows 64 cols
[2026-05-24 00:34:53] [INFO ] Computed 19 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 00:34:53] [INFO ] [Real]Absence check using 19 positive place invariants in 5 ms returned sat
[2026-05-24 00:34:53] [INFO ] After 61ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2026-05-24 00:34:53] [INFO ] State equation strengthened by 9 read => feed constraints.
[2026-05-24 00:34:53] [INFO ] After 11ms SMT Verify possible using 9 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 00:34:53] [INFO ] After 108ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 00:34:53] [INFO ] [Nat]Absence check using 19 positive place invariants in 5 ms returned sat
[2026-05-24 00:34:53] [INFO ] After 60ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-24 00:34:53] [INFO ] After 10ms SMT Verify possible using 9 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 00:34:53] [INFO ] After 22ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 00:34:53] [INFO ] After 126ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 319 ms.
RANDOM walk for 40000 steps (8 resets) in 228 ms. (174 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 285140 steps, run timeout after 3001 ms. (steps per millisecond=95 ) properties seen :0 out of 1
Probabilistic random walk after 285140 steps, saw 208097 distinct states, run finished after 3004 ms. (steps per millisecond=94 ) properties seen :0
[2026-05-24 00:34:56] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
// Phase 1: matrix 1413 rows 551 cols
[2026-05-24 00:34:56] [INFO ] Computed 28 invariants in 5 ms
[2026-05-24 00:34:56] [INFO ] State equation strengthened by 876 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 58/59 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/61 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 164/225 variables, 61/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/225 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/362 variables, 9/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/362 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/362 variables, 73/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/362 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/554 variables, 88/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/554 variables, 32/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/554 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 377/931 variables, 16/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/931 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/947 variables, 8/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/947 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1017/1964 variables, 393/686 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1964 variables, 769/1455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/1964 variables, 0/1455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1964 variables, 0/1455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1964/1964 variables, and 1455 constraints, problems are : Problem set: 0 solved, 1 unsolved in 924 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 551/551 constraints, ReadFeed: 876/876 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 58/59 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/61 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 164/225 variables, 61/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/225 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/362 variables, 9/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/362 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/362 variables, 73/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/362 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/554 variables, 88/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/554 variables, 32/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/554 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 377/931 variables, 16/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/931 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/947 variables, 8/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/947 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:58] [INFO ] Deduced a trap composed of 3 places in 493 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:59] [INFO ] Deduced a trap composed of 3 places in 476 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:59] [INFO ] Deduced a trap composed of 15 places in 427 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:34:59] [INFO ] Deduced a trap composed of 3 places in 350 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:00] [INFO ] Deduced a trap composed of 11 places in 424 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:00] [INFO ] Deduced a trap composed of 13 places in 441 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:01] [INFO ] Deduced a trap composed of 3 places in 418 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:01] [INFO ] Deduced a trap composed of 15 places in 235 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:01] [INFO ] Deduced a trap composed of 17 places in 296 ms of which 19 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/947 variables, 9/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/947 variables, 0/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1017/1964 variables, 393/696 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1964 variables, 769/1465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
(s176 0timeout
^^^^^^^^
(error "Invalid token: 0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 0)
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1964/1964 variables, and 1465 constraints, problems are : Problem set: 0 solved, 1 unsolved in 5011 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 551/551 constraints, ReadFeed: 876/876 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5954ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 551 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 551/551 places, 3492/3492 transitions.
Discarding 65 places :
Symmetric choice reduction at 0 with 65 rule applications. Total rules 65 place count 486 transition count 2907
Iterating global reduction 0 with 65 rules applied. Total rules applied 130 place count 486 transition count 2907
Applied a total of 130 rules in 151 ms. Remains 486 /551 variables (removed 65) and now considering 2907/3492 (removed 585) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 152 ms. Remains : 486/551 places, 2907/3492 transitions.
RANDOM walk for 40000 steps (8 resets) in 234 ms. (170 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 261870 steps, run timeout after 3001 ms. (steps per millisecond=87 ) properties seen :0 out of 1
Probabilistic random walk after 261870 steps, saw 167341 distinct states, run finished after 3001 ms. (steps per millisecond=87 ) properties seen :0
[2026-05-24 00:35:05] [INFO ] Flow matrix only has 828 transitions (discarded 2079 similar events)
// Phase 1: matrix 828 rows 486 cols
[2026-05-24 00:35:05] [INFO ] Computed 28 invariants in 4 ms
[2026-05-24 00:35:05] [INFO ] State equation strengthened by 356 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 50/51 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/53 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 92/145 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/145 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/145 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/282 variables, 9/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/282 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/282 variables, 9/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/282 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/474 variables, 88/165 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/474 variables, 32/197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/474 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 320/794 variables, 16/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/794 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/810 variables, 8/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/810 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 504/1314 variables, 336/557 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1314 variables, 313/870 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/1314 variables, 0/870 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1314 variables, 0/870 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1314/1314 variables, and 870 constraints, problems are : Problem set: 0 solved, 1 unsolved in 733 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 486/486 constraints, ReadFeed: 356/356 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 50/51 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/53 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 92/145 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/145 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/145 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/282 variables, 9/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/282 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/282 variables, 9/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/282 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/474 variables, 88/165 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/474 variables, 32/197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/474 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 320/794 variables, 16/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/794 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/810 variables, 8/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/810 variables, 1/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:07] [INFO ] Deduced a trap composed of 3 places in 641 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:08] [INFO ] Deduced a trap composed of 3 places in 459 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:08] [INFO ] Deduced a trap composed of 3 places in 140 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:08] [INFO ] Deduced a trap composed of 3 places in 96 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:08] [INFO ] Deduced a trap composed of 3 places in 86 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:08] [INFO ] Deduced a trap composed of 17 places in 266 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:09] [INFO ] Deduced a trap composed of 19 places in 292 ms of which 25 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/810 variables, 7/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/810 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 504/1314 variables, 336/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1314 variables, 313/878 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1314 variables, 0/878 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1314 variables, 0/878 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1314/1314 variables, and 878 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2973 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 486/486 constraints, ReadFeed: 356/356 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3725ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 45 ms.
Support contains 1 out of 486 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 486/486 places, 2907/2907 transitions.
Applied a total of 0 rules in 112 ms. Remains 486 /486 variables (removed 0) and now considering 2907/2907 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 112 ms. Remains : 486/486 places, 2907/2907 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 486/486 places, 2907/2907 transitions.
Applied a total of 0 rules in 118 ms. Remains 486 /486 variables (removed 0) and now considering 2907/2907 (removed 0) transitions.
[2026-05-24 00:35:09] [INFO ] Flow matrix only has 828 transitions (discarded 2079 similar events)
[2026-05-24 00:35:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 00:35:11] [INFO ] Implicit Places using invariants in 1511 ms returned []
[2026-05-24 00:35:11] [INFO ] Flow matrix only has 828 transitions (discarded 2079 similar events)
[2026-05-24 00:35:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 00:35:11] [INFO ] State equation strengthened by 356 read => feed constraints.
[2026-05-24 00:35:15] [INFO ] Implicit Places using invariants and state equation in 4607 ms returned []
Implicit Place search using SMT with State Equation took 6119 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 00:35:16] [INFO ] Redundant transitions in 106 ms returned []
Running 2898 sub problems to find dead transitions.
[2026-05-24 00:35:16] [INFO ] Flow matrix only has 828 transitions (discarded 2079 similar events)
[2026-05-24 00:35:16] [INFO ] Invariant cache hit.
[2026-05-24 00:35:16] [INFO ] State equation strengthened by 356 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/486 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 2898 unsolved
SMT process timed out in 31181ms, After SMT, problems are : Problem set: 0 solved, 2898 unsolved
Search for dead transitions found 0 dead transitions in 31190ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37546 ms. Remains : 486/486 places, 2907/2907 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 2702 edges and 486 vertex of which 81 / 486 are part of one of the 9 SCC in 2 ms
Free SCC test removed 72 places
Drop transitions (Empty/Sink Transition effects.) removed 279 transitions
Ensure Unique test removed 2016 transitions
Reduce isomorphic transitions removed 2295 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 97 transitions
Trivial Post-agglo rules discarded 97 transitions
Performed 97 trivial Post agglomeration. Transition count delta: 97
Iterating post reduction 0 with 97 rules applied. Total rules applied 98 place count 414 transition count 515
Reduce places removed 97 places and 0 transitions.
Iterating post reduction 1 with 97 rules applied. Total rules applied 195 place count 317 transition count 515
Performed 19 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 19 Pre rules applied. Total rules applied 195 place count 317 transition count 496
Deduced a syphon composed of 19 places in 1 ms
Ensure Unique test removed 9 places
Reduce places removed 28 places and 0 transitions.
Iterating global reduction 2 with 47 rules applied. Total rules applied 242 place count 289 transition count 496
Performed 143 Post agglomeration using F-continuation condition.Transition count delta: 143
Deduced a syphon composed of 143 places in 0 ms
Reduce places removed 143 places and 0 transitions.
Iterating global reduction 2 with 286 rules applied. Total rules applied 528 place count 146 transition count 353
Ensure Unique test removed 70 transitions
Reduce isomorphic transitions removed 70 transitions.
Iterating post reduction 2 with 70 rules applied. Total rules applied 598 place count 146 transition count 283
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 616 place count 137 transition count 283
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 3 with 9 rules applied. Total rules applied 625 place count 137 transition count 274
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 635 place count 137 transition count 264
Free-agglomeration rule applied 73 times.
Iterating global reduction 4 with 73 rules applied. Total rules applied 708 place count 137 transition count 191
Reduce places removed 73 places and 0 transitions.
Iterating post reduction 4 with 73 rules applied. Total rules applied 781 place count 64 transition count 191
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 5 with 9 rules applied. Total rules applied 790 place count 64 transition count 191
Applied a total of 790 rules in 69 ms. Remains 64 /486 variables (removed 422) and now considering 191/2907 (removed 2716) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 191 rows 64 cols
[2026-05-24 00:35:47] [INFO ] Computed 19 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 00:35:47] [INFO ] [Real]Absence check using 19 positive place invariants in 8 ms returned sat
[2026-05-24 00:35:47] [INFO ] After 94ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2026-05-24 00:35:47] [INFO ] State equation strengthened by 9 read => feed constraints.
[2026-05-24 00:35:47] [INFO ] After 15ms SMT Verify possible using 9 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 00:35:47] [INFO ] After 167ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 00:35:47] [INFO ] [Nat]Absence check using 19 positive place invariants in 8 ms returned sat
[2026-05-24 00:35:47] [INFO ] After 92ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-24 00:35:47] [INFO ] After 15ms SMT Verify possible using 9 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 00:35:47] [INFO ] After 41ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 00:35:47] [INFO ] After 200ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 453 ms.
RANDOM walk for 40000 steps (8 resets) in 297 ms. (134 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 196 ms. (203 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 259340 steps, run timeout after 3001 ms. (steps per millisecond=86 ) properties seen :0 out of 1
Probabilistic random walk after 259340 steps, saw 189873 distinct states, run finished after 3004 ms. (steps per millisecond=86 ) properties seen :0
[2026-05-24 00:35:50] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
// Phase 1: matrix 1413 rows 551 cols
[2026-05-24 00:35:50] [INFO ] Computed 28 invariants in 5 ms
[2026-05-24 00:35:50] [INFO ] State equation strengthened by 876 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 58/59 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/61 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 164/225 variables, 61/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/225 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:51] [INFO ] Deduced a trap composed of 3 places in 67 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/225 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 137/362 variables, 9/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/362 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/362 variables, 73/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/362 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 192/554 variables, 88/238 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/554 variables, 32/270 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/554 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 377/931 variables, 16/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/931 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 16/947 variables, 8/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:52] [INFO ] Deduced a trap composed of 72 places in 876 ms of which 75 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/947 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/947 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1017/1964 variables, 393/688 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1964 variables, 769/1457 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1964 variables, 0/1457 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 24 (OVERLAPS) 0/1964 variables, 0/1457 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1964/1964 variables, and 1457 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1983 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 551/551 constraints, ReadFeed: 876/876 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 58/59 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/61 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 164/225 variables, 61/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 2/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/225 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 137/362 variables, 9/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/362 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/362 variables, 73/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/362 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 192/554 variables, 88/238 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/554 variables, 32/270 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/554 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 377/931 variables, 16/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/931 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 16/947 variables, 8/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/947 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/947 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:53] [INFO ] Deduced a trap composed of 11 places in 639 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:54] [INFO ] Deduced a trap composed of 15 places in 642 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:55] [INFO ] Deduced a trap composed of 17 places in 795 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:55] [INFO ] Deduced a trap composed of 3 places in 89 ms of which 4 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/947 variables, 4/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/947 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 1017/1964 variables, 393/693 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1964 variables, 769/1462 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:56] [INFO ] Deduced a trap composed of 3 places in 79 ms of which 4 ms to minimize.
At refinement iteration 25 (INCLUDED_ONLY) 0/1964 variables, 1/1463 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:56] [INFO ] Deduced a trap composed of 3 places in 75 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:35:56] [INFO ] Deduced a trap composed of 3 places in 74 ms of which 3 ms to minimize.
At refinement iteration 26 (INCLUDED_ONLY) 0/1964 variables, 2/1465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1964 variables, 0/1465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1964 variables, 0/1465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1964/1964 variables, and 1465 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3915 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 551/551 constraints, ReadFeed: 876/876 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5921ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 61 ms.
Support contains 1 out of 551 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 551/551 places, 3492/3492 transitions.
Discarding 65 places :
Symmetric choice reduction at 0 with 65 rule applications. Total rules 65 place count 486 transition count 2907
Iterating global reduction 0 with 65 rules applied. Total rules applied 130 place count 486 transition count 2907
Applied a total of 130 rules in 131 ms. Remains 486 /551 variables (removed 65) and now considering 2907/3492 (removed 585) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 133 ms. Remains : 486/551 places, 2907/3492 transitions.
RANDOM walk for 40000 steps (8 resets) in 201 ms. (198 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 294200 steps, run timeout after 3001 ms. (steps per millisecond=98 ) properties seen :0 out of 1
Probabilistic random walk after 294200 steps, saw 186213 distinct states, run finished after 3004 ms. (steps per millisecond=97 ) properties seen :0
[2026-05-24 00:36:00] [INFO ] Flow matrix only has 828 transitions (discarded 2079 similar events)
// Phase 1: matrix 828 rows 486 cols
[2026-05-24 00:36:00] [INFO ] Computed 28 invariants in 4 ms
[2026-05-24 00:36:00] [INFO ] State equation strengthened by 356 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 50/51 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/53 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 92/145 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/145 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/145 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/282 variables, 9/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/282 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/282 variables, 9/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/282 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/474 variables, 88/165 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/474 variables, 32/197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/474 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 320/794 variables, 16/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/794 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/810 variables, 8/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/810 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 504/1314 variables, 336/557 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1314 variables, 313/870 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/1314 variables, 0/870 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1314 variables, 0/870 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1314/1314 variables, and 870 constraints, problems are : Problem set: 0 solved, 1 unsolved in 925 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 486/486 constraints, ReadFeed: 356/356 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 50/51 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/53 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 92/145 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/145 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:01] [INFO ] Deduced a trap composed of 3 places in 52 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/145 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/145 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 137/282 variables, 9/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/282 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/282 variables, 9/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/282 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 192/474 variables, 88/166 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/474 variables, 32/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/474 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 320/794 variables, 16/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/794 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 16/810 variables, 8/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/810 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:01] [INFO ] Deduced a trap composed of 3 places in 357 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:02] [INFO ] Deduced a trap composed of 21 places in 255 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:02] [INFO ] Deduced a trap composed of 3 places in 134 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:02] [INFO ] Deduced a trap composed of 3 places in 57 ms of which 3 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/810 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/810 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 504/1314 variables, 336/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1314 variables, 313/876 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1314 variables, 0/876 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1314 variables, 0/876 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1314/1314 variables, and 876 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1842 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 486/486 constraints, ReadFeed: 356/356 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2785ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 38 steps, including 1 resets, run visited all 1 properties in 1 ms. (steps per millisecond=38 )
Parikh walk visited 1 properties in 2 ms.
RANDOM walk for 40000 steps (8 resets) in 208 ms. (191 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 255540 steps, run timeout after 3001 ms. (steps per millisecond=85 ) properties seen :0 out of 1
Probabilistic random walk after 255540 steps, saw 187199 distinct states, run finished after 3007 ms. (steps per millisecond=84 ) properties seen :0
[2026-05-24 00:36:05] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
// Phase 1: matrix 1413 rows 551 cols
[2026-05-24 00:36:05] [INFO ] Computed 28 invariants in 4 ms
[2026-05-24 00:36:05] [INFO ] State equation strengthened by 876 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 58/59 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/61 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 164/225 variables, 61/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/225 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/362 variables, 9/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/362 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/362 variables, 73/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/362 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/554 variables, 88/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/554 variables, 32/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/554 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 377/931 variables, 16/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/931 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/947 variables, 8/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/947 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1017/1964 variables, 393/686 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1964 variables, 769/1455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/1964 variables, 0/1455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1964 variables, 0/1455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1964/1964 variables, and 1455 constraints, problems are : Problem set: 0 solved, 1 unsolved in 945 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 551/551 constraints, ReadFeed: 876/876 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 58/59 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/61 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 164/225 variables, 61/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/225 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/362 variables, 9/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/362 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/362 variables, 73/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/362 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/554 variables, 88/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/554 variables, 32/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/554 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 377/931 variables, 16/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/931 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/947 variables, 8/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/947 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:07] [INFO ] Deduced a trap composed of 3 places in 345 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:08] [INFO ] Deduced a trap composed of 3 places in 269 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:08] [INFO ] Deduced a trap composed of 3 places in 310 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:08] [INFO ] Deduced a trap composed of 3 places in 238 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:08] [INFO ] Deduced a trap composed of 13 places in 172 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:08] [INFO ] Deduced a trap composed of 3 places in 64 ms of which 4 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/947 variables, 6/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/947 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1017/1964 variables, 393/693 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1964 variables, 769/1462 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:09] [INFO ] Deduced a trap composed of 3 places in 104 ms of which 6 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1964 variables, 1/1463 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1964 variables, 0/1463 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1964 variables, 0/1463 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1964/1964 variables, and 1463 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3032 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 551/551 constraints, ReadFeed: 876/876 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3999ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 60 ms.
Support contains 1 out of 551 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 551/551 places, 3492/3492 transitions.
Discarding 65 places :
Symmetric choice reduction at 0 with 65 rule applications. Total rules 65 place count 486 transition count 2907
Iterating global reduction 0 with 65 rules applied. Total rules applied 130 place count 486 transition count 2907
Applied a total of 130 rules in 142 ms. Remains 486 /551 variables (removed 65) and now considering 2907/3492 (removed 585) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 143 ms. Remains : 486/551 places, 2907/3492 transitions.
RANDOM walk for 40000 steps (8 resets) in 252 ms. (158 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 237008 steps, run visited all 1 properties in 2332 ms. (steps per millisecond=101 )
Probabilistic random walk after 237008 steps, saw 152892 distinct states, run finished after 2339 ms. (steps per millisecond=101 ) properties seen :1
RANDOM walk for 33444 steps (7 resets) in 280 ms. (119 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (8 resets) in 189 ms. (210 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 121 ms. (327 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 281500 steps, run timeout after 3001 ms. (steps per millisecond=93 ) properties seen :0 out of 1
Probabilistic random walk after 281500 steps, saw 205784 distinct states, run finished after 3001 ms. (steps per millisecond=93 ) properties seen :0
[2026-05-24 00:36:15] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
[2026-05-24 00:36:15] [INFO ] Invariant cache hit.
[2026-05-24 00:36:15] [INFO ] State equation strengthened by 876 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 57/58 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/60 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 155/215 variables, 60/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/215 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/215 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/352 variables, 9/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/352 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/352 variables, 67/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/352 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/544 variables, 88/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/544 variables, 29/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/544 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 378/922 variables, 16/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/922 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/938 variables, 8/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:17] [INFO ] Deduced a trap composed of 55 places in 891 ms of which 104 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/938 variables, 1/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/938 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 1026/1964 variables, 394/678 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/1964 variables, 778/1456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1964 variables, 0/1456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1964 variables, 0/1456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1964/1964 variables, and 1456 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1894 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 551/551 constraints, ReadFeed: 876/876 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 57/58 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/60 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 155/215 variables, 60/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/215 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/215 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/352 variables, 9/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/352 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/352 variables, 67/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/352 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/544 variables, 88/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/544 variables, 29/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/544 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 378/922 variables, 16/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/922 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/938 variables, 8/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/938 variables, 1/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/938 variables, 1/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:18] [INFO ] Deduced a trap composed of 3 places in 357 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:18] [INFO ] Deduced a trap composed of 3 places in 206 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:18] [INFO ] Deduced a trap composed of 3 places in 120 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:19] [INFO ] Deduced a trap composed of 3 places in 102 ms of which 6 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/938 variables, 4/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/938 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1026/1964 variables, 394/683 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1964 variables, 778/1461 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:19] [INFO ] Deduced a trap composed of 3 places in 125 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:19] [INFO ] Deduced a trap composed of 3 places in 62 ms of which 4 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/1964 variables, 2/1463 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1964 variables, 0/1463 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1964 variables, 0/1463 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1964/1964 variables, and 1463 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2449 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 551/551 constraints, ReadFeed: 876/876 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4359ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 99 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=49 )
Parikh walk visited 1 properties in 2 ms.
RANDOM walk for 40000 steps (8 resets) in 232 ms. (171 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 265040 steps, run timeout after 3001 ms. (steps per millisecond=88 ) properties seen :0 out of 1
Probabilistic random walk after 265040 steps, saw 194045 distinct states, run finished after 3001 ms. (steps per millisecond=88 ) properties seen :0
[2026-05-24 00:36:23] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
[2026-05-24 00:36:23] [INFO ] Invariant cache hit.
[2026-05-24 00:36:23] [INFO ] State equation strengthened by 876 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 57/58 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/60 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 155/215 variables, 60/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/215 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/215 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/352 variables, 9/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/352 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/352 variables, 67/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/352 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/544 variables, 88/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/544 variables, 29/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/544 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 378/922 variables, 16/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/922 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/938 variables, 8/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:24] [INFO ] Deduced a trap composed of 55 places in 824 ms of which 66 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/938 variables, 1/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/938 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 1026/1964 variables, 394/678 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/1964 variables, 778/1456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1964 variables, 0/1456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1964 variables, 0/1456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1964/1964 variables, and 1456 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2018 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 551/551 constraints, ReadFeed: 876/876 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 57/58 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/60 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 155/215 variables, 60/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/215 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/215 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/352 variables, 9/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/352 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/352 variables, 67/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/352 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/544 variables, 88/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/544 variables, 29/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/544 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 378/922 variables, 16/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/922 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/938 variables, 8/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/938 variables, 1/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/938 variables, 1/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:25] [INFO ] Deduced a trap composed of 3 places in 266 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:26] [INFO ] Deduced a trap composed of 3 places in 223 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:26] [INFO ] Deduced a trap composed of 3 places in 236 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:26] [INFO ] Deduced a trap composed of 15 places in 238 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:26] [INFO ] Deduced a trap composed of 3 places in 77 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:26] [INFO ] Deduced a trap composed of 31 places in 194 ms of which 23 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/938 variables, 6/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/938 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1026/1964 variables, 394/685 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1964 variables, 778/1463 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1964 variables, 0/1463 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:27] [INFO ] Deduced a trap composed of 3 places in 161 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:27] [INFO ] Deduced a trap composed of 35 places in 120 ms of which 8 ms to minimize.
At refinement iteration 25 (OVERLAPS) 0/1964 variables, 2/1465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:28] [INFO ] Deduced a trap composed of 3 places in 83 ms of which 5 ms to minimize.
At refinement iteration 26 (INCLUDED_ONLY) 0/1964 variables, 1/1466 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1964 variables, 0/1466 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1964 variables, 0/1466 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1964/1964 variables, and 1466 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3308 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 551/551 constraints, ReadFeed: 876/876 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5346ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 9537 steps, including 217 resets, run visited all 1 properties in 54 ms. (steps per millisecond=176 )
Parikh walk visited 1 properties in 53 ms.
RANDOM walk for 40000 steps (8 resets) in 325 ms. (122 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 283210 steps, run timeout after 3001 ms. (steps per millisecond=94 ) properties seen :0 out of 1
Probabilistic random walk after 283210 steps, saw 206900 distinct states, run finished after 3001 ms. (steps per millisecond=94 ) properties seen :0
[2026-05-24 00:36:31] [INFO ] Flow matrix only has 1413 transitions (discarded 2079 similar events)
[2026-05-24 00:36:31] [INFO ] Invariant cache hit.
[2026-05-24 00:36:31] [INFO ] State equation strengthened by 876 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 57/58 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/60 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 155/215 variables, 60/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/215 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/215 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/352 variables, 9/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/352 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/352 variables, 67/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/352 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/544 variables, 88/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/544 variables, 29/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/544 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 378/922 variables, 16/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/922 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/938 variables, 8/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:33] [INFO ] Deduced a trap composed of 55 places in 665 ms of which 59 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/938 variables, 1/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/938 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 1026/1964 variables, 394/678 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/1964 variables, 778/1456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1964 variables, 0/1456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1964 variables, 0/1456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1964/1964 variables, and 1456 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1749 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 551/551 constraints, ReadFeed: 876/876 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 57/58 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/60 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 155/215 variables, 60/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/215 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/215 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/352 variables, 9/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/352 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/352 variables, 67/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/352 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/544 variables, 88/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/544 variables, 29/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/544 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 378/922 variables, 16/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/922 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/938 variables, 8/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/938 variables, 1/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/938 variables, 1/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:34] [INFO ] Deduced a trap composed of 3 places in 592 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:34] [INFO ] Deduced a trap composed of 15 places in 442 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:35] [INFO ] Deduced a trap composed of 3 places in 468 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:35] [INFO ] Deduced a trap composed of 21 places in 415 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:36] [INFO ] Deduced a trap composed of 3 places in 314 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:36] [INFO ] Deduced a trap composed of 3 places in 383 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:36] [INFO ] Deduced a trap composed of 11 places in 188 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:37] [INFO ] Deduced a trap composed of 15 places in 318 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:37] [INFO ] Deduced a trap composed of 17 places in 311 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:37] [INFO ] Deduced a trap composed of 37 places in 127 ms of which 9 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/938 variables, 10/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/938 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1026/1964 variables, 394/689 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1964 variables, 778/1467 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1964 variables, 0/1467 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:38] [INFO ] Deduced a trap composed of 3 places in 96 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 00:36:38] [INFO ] Deduced a trap composed of 3 places in 96 ms of which 7 ms to minimize.
SMT process timed out in 6775ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 551 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 551/551 places, 3492/3492 transitions.
Discarding 65 places :
Symmetric choice reduction at 0 with 65 rule applications. Total rules 65 place count 486 transition count 2907
Iterating global reduction 0 with 65 rules applied. Total rules applied 130 place count 486 transition count 2907
Applied a total of 130 rules in 144 ms. Remains 486 /551 variables (removed 65) and now considering 2907/3492 (removed 585) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 144 ms. Remains : 486/551 places, 2907/3492 transitions.
RANDOM walk for 40000 steps (8 resets) in 235 ms. (169 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 282160 steps, run timeout after 3001 ms. (steps per millisecond=94 ) properties seen :0 out of 1
Probabilistic random walk after 282160 steps, saw 179285 distinct states, run finished after 3004 ms. (steps per millisecond=93 ) properties seen :0
[2026-05-24 00:36:41] [INFO ] Flow matrix only has 828 transitions (discarded 2079 similar events)
// Phase 1: matrix 828 rows 486 cols
[2026-05-24 00:36:41] [INFO ] Computed 28 invariants in 3 ms
[2026-05-24 00:36:41] [INFO ] State equation strengthened by 356 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 50/51 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/53 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 92/145 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/145 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/145 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/282 variables, 9/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/282 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/282 variables, 11/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/282 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/474 variables, 88/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/474 variables, 29/196 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/474 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 320/794 variables, 16/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/794 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 16/810 variables, 8/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="EisenbergMcGuire-PT-09"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool gold2025"
echo " Input is EisenbergMcGuire-PT-09, 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 r128-smll-177955743900177"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/EisenbergMcGuire-PT-09.tgz
mv EisenbergMcGuire-PT-09 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 ;