Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r016-oct2-177944372600119.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..........................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is Anderson-PT-09, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-oct2-177944372600119
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 7.0K Mar 4 18:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 4 18:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 4 18:00 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 4 18:00 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 07:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 15 07:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.0K Mar 4 18:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 74K Mar 4 18:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Mar 4 18:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 4 18:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:03 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 927K Mar 3 18:30 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME Liveness

=== Now, execution of the tool begins

BK_START 1779686802281

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Anderson-PT-09
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2026-05-25 05:26:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-25 05:26:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 05:26:44] [INFO ] Load time of PNML (sax parser for PT used): 178 ms
[2026-05-25 05:26:44] [INFO ] Transformed 505 places.
[2026-05-25 05:26:44] [INFO ] Transformed 1845 transitions.
[2026-05-25 05:26:44] [INFO ] Found NUPN structural information;
[2026-05-25 05:26:44] [INFO ] Parsed PT model containing 505 places and 1845 transitions and 7092 arcs in 324 ms.
Built sparse matrix representations for Structural reductions in 11 ms.18462KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 505/505 places, 1845/1845 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 103 ms. Remains 505 /505 variables (removed 0) and now considering 1845/1845 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 114 ms. Remains : 505/505 places, 1845/1845 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 505/505 places, 1845/1845 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 89 ms. Remains 505 /505 variables (removed 0) and now considering 1845/1845 (removed 0) transitions.
// Phase 1: matrix 1845 rows 505 cols
[2026-05-25 05:26:45] [INFO ] Computed 21 invariants in 56 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:26:45] [INFO ] Implicit Places using invariants in 508 ms returned []
[2026-05-25 05:26:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:26:46] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-25 05:26:46] [INFO ] Implicit Places using invariants and state equation in 959 ms returned []
Implicit Place search using SMT with State Equation took 1543 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 05:26:46] [INFO ] Redundant transitions in 98 ms returned []
Running 1836 sub problems to find dead transitions.
[2026-05-25 05:26:46] [INFO ] Invariant cache hit.
[2026-05-25 05:26:46] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/505 variables, 505/505 constraints. Problems are: Problem set: 0 solved, 1836 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/505 variables, 10/515 constraints. Problems are: Problem set: 0 solved, 1836 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/505 variables, 11/526 constraints. Problems are: Problem set: 0 solved, 1836 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 505/2350 variables, and 526 constraints, problems are : Problem set: 0 solved, 1836 unsolved in 30103 ms.
Refiners :[Domain max(s): 505/505 constraints, Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 0/505 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 1836/1836 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1836 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/505 variables, 505/505 constraints. Problems are: Problem set: 0 solved, 1836 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/505 variables, 10/515 constraints. Problems are: Problem set: 0 solved, 1836 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/505 variables, 11/526 constraints. Problems are: Problem set: 0 solved, 1836 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:27:39] [INFO ] Deduced a trap composed of 64 places in 674 ms of which 73 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:27:40] [INFO ] Deduced a trap composed of 74 places in 522 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:27:40] [INFO ] Deduced a trap composed of 84 places in 490 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:27:41] [INFO ] Deduced a trap composed of 94 places in 505 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:27:41] [INFO ] Deduced a trap composed of 104 places in 609 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:27:42] [INFO ] Deduced a trap composed of 114 places in 365 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:27:43] [INFO ] Deduced a trap composed of 53 places in 890 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:27:44] [INFO ] Deduced a trap composed of 53 places in 617 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:27:44] [INFO ] Deduced a trap composed of 53 places in 395 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:27:45] [INFO ] Deduced a trap composed of 61 places in 607 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:27:45] [INFO ] Deduced a trap composed of 61 places in 540 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:27:46] [INFO ] Deduced a trap composed of 61 places in 558 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:27:47] [INFO ] Deduced a trap composed of 61 places in 443 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:27:48] [INFO ] Deduced a trap composed of 61 places in 943 ms of which 83 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:27:48] [INFO ] Deduced a trap composed of 53 places in 509 ms of which 57 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 505/2350 variables, and 541 constraints, problems are : Problem set: 0 solved, 1836 unsolved in 30050 ms.
Refiners :[Domain max(s): 505/505 constraints, Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 0/505 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/1836 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62629ms problems are : Problem set: 0 solved, 1836 unsolved
Search for dead transitions found 0 dead transitions in 62683ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 64476 ms. Remains : 505/505 places, 1845/1845 transitions.
Random walk for 1250000 steps, including 0 resets, run took 3951 ms (no deadlock found). (steps per millisecond=316 )
Random directed walk for 1250000 steps, including 0 resets, run took 3953 ms (no deadlock found). (steps per millisecond=316 )
[2026-05-25 05:27:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2026-05-25 05:27:58] [INFO ] [Real]Absence check using 10 positive place invariants in 293 ms returned sat
[2026-05-25 05:28:06] [INFO ] [Real]Absence check using 10 positive and 11 generalized place invariants in 8028 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 505/505 places, 1845/1845 transitions.
Performed 72 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 72 Pre rules applied. Total rules applied 0 place count 505 transition count 1773
Deduced a syphon composed of 72 places in 3 ms
Reduce places removed 72 places and 0 transitions.
Iterating global reduction 0 with 144 rules applied. Total rules applied 144 place count 433 transition count 1773
Applied a total of 144 rules in 69 ms. Remains 433 /505 variables (removed 72) and now considering 1773/1845 (removed 72) transitions.
// Phase 1: matrix 1773 rows 433 cols
[2026-05-25 05:28:06] [INFO ] Computed 21 invariants in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:28:18] [INFO ] Implicit Places using invariants in 12482 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 12523 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 432/505 places, 1773/1845 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 81 transitions
Trivial Post-agglo rules discarded 81 transitions
Performed 81 trivial Post agglomeration. Transition count delta: 81
Iterating post reduction 0 with 81 rules applied. Total rules applied 81 place count 432 transition count 1692
Reduce places removed 81 places and 0 transitions.
Iterating post reduction 1 with 81 rules applied. Total rules applied 162 place count 351 transition count 1692
Applied a total of 162 rules in 28 ms. Remains 351 /432 variables (removed 81) and now considering 1692/1773 (removed 81) transitions.
// Phase 1: matrix 1692 rows 351 cols
[2026-05-25 05:28:18] [INFO ] Computed 20 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:28:24] [INFO ] Implicit Places using invariants in 5620 ms returned []
[2026-05-25 05:28:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:28:25] [INFO ] State equation strengthened by 135 read => feed constraints.
[2026-05-25 05:28:33] [INFO ] Implicit Places using invariants and state equation in 9245 ms returned []
Implicit Place search using SMT with State Equation took 14871 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 351/505 places, 1692/1845 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 27504 ms. Remains : 351/505 places, 1692/1845 transitions.
Initial state reduction rules removed 9 formulas.
[2026-05-25 05:28:34] [INFO ] Flatten gal took : 364 ms
[2026-05-25 05:28:34] [INFO ] Flatten gal took : 224 ms
[2026-05-25 05:28:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10974336977339168007.gal : 98 ms
[2026-05-25 05:28:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16348602690231039081.prop : 28 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/ReachabilityCardinality10974336977339168007.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16348602690231039081.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/ReachabilityCardinality16348602690231039081.prop.
RANDOM walk for 40000 steps (8 resets) in 7074 ms. (5 steps per ms) remains 779/1683 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 27 ms. (4 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 23 ms. (5 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 779/779 properties
Reachability property qltransition_1564 is true.
Reachability property qltransition_1548 is true.
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
Reachability property qltransition_1226 is true.
Reachability property qltransition_1225 is true.
BEST_FIRST walk for 124 steps (8 resets) in 16 ms. (7 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
Reachability property qltransition_1073 is true.
Reachability property qltransition_1072 is true.
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
Reachability property qltransition_920 is true.
Reachability property qltransition_919 is true.
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 4 ms. (24 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
Reachability property qltransition_767 is true.
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 4 ms. (24 steps per ms) remains 779/779 properties
Reachability property qltransition_766 is true.
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 4 ms. (24 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 4 ms. (24 steps per ms) remains 779/779 properties
Reachability property qltransition_614 is true.
Reachability property qltransition_613 is true.
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 4 ms. (24 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
Reachability property qltransition_461 is true.
Reachability property qltransition_460 is true.
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
[2026-05-25 05:28:35] [INFO ] Invariant cache hit.
[2026-05-25 05:28:35] [INFO ] State equation strengthened by 135 read => feed constraints.
Reachability property qltransition_308 is true.
Reachability property qltransition_307 is true.
Reachability property qltransition_154 is true.
Reachability property qltransition_1 is true.
SDD proceeding with computation,1665 properties remain. new max is 2
SDD size :1 after 5
Reachability property qltransition_1580 is true.
Reachability property qltransition_1227 is true.
Reachability property qltransition_1074 is true.
Reachability property qltransition_921 is true.
Reachability property qltransition_768 is true.
Reachability property qltransition_615 is true.
Reachability property qltransition_462 is true.
Reachability property qltransition_155 is true.
Reachability property qltransition_2 is true.
SDD proceeding with computation,1656 properties remain. new max is 2
SDD size :5 after 12
SDD proceeding with computation,1656 properties remain. new max is 4
SDD size :12 after 16
Reachability property qltransition_1596 is true.
Reachability property qltransition_1228 is true.
Reachability property qltransition_1075 is true.
Reachability property qltransition_922 is true.
Reachability property qltransition_769 is true.
Reachability property qltransition_616 is true.
Reachability property qltransition_309 is true.
Reachability property qltransition_156 is true.
Reachability property qltransition_3 is true.
SDD proceeding with computation,1647 properties remain. new max is 4
SDD size :16 after 40
SDD proceeding with computation,1647 properties remain. new max is 8
SDD size :40 after 46
Reachability property qltransition_1612 is true.
Reachability property qltransition_1229 is true.
Reachability property qltransition_1076 is true.
Reachability property qltransition_923 is true.
Reachability property qltransition_770 is true.
Reachability property qltransition_463 is true.
Reachability property qltransition_310 is true.
Reachability property qltransition_157 is true.
Reachability property qltransition_4 is true.
SDD proceeding with computation,1638 properties remain. new max is 8
SDD size :46 after 130
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,1638 properties remain. new max is 16
SDD size :130 after 158
SDD proceeding with computation,1638 properties remain. new max is 32
SDD size :158 after 201
Reachability property qltransition_1628 is true.
Reachability property qltransition_1230 is true.
Reachability property qltransition_1077 is true.
Reachability property qltransition_924 is true.
Reachability property qltransition_617 is true.
Reachability property qltransition_464 is true.
Reachability property qltransition_311 is true.
Reachability property qltransition_158 is true.
Reachability property qltransition_5 is true.
SDD proceeding with computation,1629 properties remain. new max is 32
SDD size :201 after 724
SDD proceeding with computation,1629 properties remain. new max is 64
SDD size :724 after 1022
SDD proceeding with computation,1629 properties remain. new max is 128
SDD size :1022 after 1272
Reachability property qltransition_1644 is true.
Reachability property qltransition_1231 is true.
Reachability property qltransition_1078 is true.
Reachability property qltransition_771 is true.
Reachability property qltransition_618 is true.
Reachability property qltransition_465 is true.
Reachability property qltransition_312 is true.
Reachability property qltransition_159 is true.
Reachability property qltransition_6 is true.
SDD proceeding with computation,1620 properties remain. new max is 128
SDD size :1272 after 5632
SDD proceeding with computation,1620 properties remain. new max is 256
SDD size :5632 after 7691
SDD proceeding with computation,1620 properties remain. new max is 512
SDD size :7691 after 13337
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 150/150 constraints. Problems are: Problem set: 0 solved, 779 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 779 unsolved
Reachability property qltransition_1660 is true.
Reachability property qltransition_925 is true.
Reachability property qltransition_772 is true.
Reachability property qltransition_619 is true.
Reachability property qltransition_466 is true.
Reachability property qltransition_313 is true.
Reachability property qltransition_160 is true.
Reachability property qltransition_7 is true.
SDD proceeding with computation,1612 properties remain. new max is 512
SDD size :13337 after 38914
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 150/2043 variables, and 151 constraints, problems are : Problem set: 0 solved, 779 unsolved in 5042 ms.
Refiners :[Domain max(s): 150/351 constraints, Positive P Invariants (semi-flows): 0/10 constraints, Generalized P Invariants (flows): 1/10 constraints, State Equation: 0/351 constraints, ReadFeed: 0/135 constraints, PredecessorRefiner: 779/779 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 779 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 150/150 constraints. Problems are: Problem set: 0 solved, 779 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 779 unsolved
SDD proceeding with computation,1612 properties remain. new max is 1024
SDD size :38914 after 57371
Reachability property qltransition_1676 is true.
SDD proceeding with computation,1611 properties remain. new max is 1024
SDD size :57371 after 128625
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 150/2043 variables, and 151 constraints, problems are : Problem set: 0 solved, 779 unsolved in 5027 ms.
Refiners :[Domain max(s): 150/351 constraints, Positive P Invariants (semi-flows): 0/10 constraints, Generalized P Invariants (flows): 1/10 constraints, State Equation: 0/351 constraints, ReadFeed: 0/135 constraints, PredecessorRefiner: 0/779 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11184ms problems are : Problem set: 0 solved, 779 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 150 out of 351 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 1692/1692 transitions.
Discarding 35 places :
Symmetric choice reduction at 0 with 35 rule applications. Total rules 35 place count 316 transition count 1657
Iterating global reduction 0 with 35 rules applied. Total rules applied 70 place count 316 transition count 1657
Applied a total of 70 rules in 83 ms. Remains 316 /351 variables (removed 35) and now considering 1657/1692 (removed 35) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 96 ms. Remains : 316/351 places, 1657/1692 transitions.
SDD proceeding with computation,1611 properties remain. new max is 2048
SDD size :128625 after 164554
Reachability property qltransition_1678 is true.
Reachability property qltransition_1662 is true.
Reachability property qltransition_1646 is true.
Reachability property qltransition_1630 is true.
Reachability property qltransition_1614 is true.
Reachability property qltransition_1598 is true.
Reachability property qltransition_1582 is true.
Reachability property qltransition_1566 is true.
Reachability property qltransition_1550 is true.
Reachability property qltransition_1540 is true.
Reachability property qltransition_1539 is true.
Reachability property qltransition_1531 is true.
Reachability property qltransition_1530 is true.
Reachability property qltransition_1522 is true.
Reachability property qltransition_1521 is true.
Reachability property qltransition_1513 is true.
Reachability property qltransition_1512 is true.
Reachability property qltransition_1504 is true.
Reachability property qltransition_1503 is true.
Reachability property qltransition_1495 is true.
Reachability property qltransition_1494 is true.
Reachability property qltransition_1486 is true.
Reachability property qltransition_1485 is true.
Reachability property qltransition_1477 is true.
Reachability property qltransition_1476 is true.
Reachability property qltransition_1468 is true.
Reachability property qltransition_1467 is true.
SDD proceeding with computation,1584 properties remain. new max is 2048
SDD size :164554 after 611573
SDD proceeding with computation,1584 properties remain. new max is 4096
SDD size :611573 after 659284
RANDOM walk for 3762129 steps (8 resets) in 120004 ms. (31 steps per ms) remains 252/779 properties
BEST_FIRST walk for 40001 steps (8 resets) in 381 ms. (104 steps per ms) remains 239/252 properties
BEST_FIRST walk for 40002 steps (8 resets) in 390 ms. (102 steps per ms) remains 235/239 properties
BEST_FIRST walk for 40003 steps (8 resets) in 465 ms. (85 steps per ms) remains 226/235 properties
BEST_FIRST walk for 40003 steps (8 resets) in 420 ms. (95 steps per ms) remains 224/226 properties
BEST_FIRST walk for 40003 steps (8 resets) in 461 ms. (86 steps per ms) remains 224/224 properties
BEST_FIRST walk for 40004 steps (8 resets) in 307 ms. (129 steps per ms) remains 224/224 properties
BEST_FIRST walk for 40003 steps (8 resets) in 283 ms. (140 steps per ms) remains 220/224 properties
BEST_FIRST walk for 40004 steps (8 resets) in 430 ms. (92 steps per ms) remains 220/220 properties
BEST_FIRST walk for 40003 steps (8 resets) in 300 ms. (132 steps per ms) remains 220/220 properties
BEST_FIRST walk for 40004 steps (8 resets) in 340 ms. (117 steps per ms) remains 220/220 properties
BEST_FIRST walk for 40003 steps (8 resets) in 278 ms. (143 steps per ms) remains 220/220 properties
BEST_FIRST walk for 40003 steps (8 resets) in 295 ms. (135 steps per ms) remains 220/220 properties
BEST_FIRST walk for 40004 steps (8 resets) in 270 ms. (147 steps per ms) remains 185/220 properties
BEST_FIRST walk for 40004 steps (8 resets) in 285 ms. (139 steps per ms) remains 183/185 properties
BEST_FIRST walk for 40003 steps (8 resets) in 270 ms. (147 steps per ms) remains 183/183 properties
BEST_FIRST walk for 40002 steps (8 resets) in 333 ms. (119 steps per ms) remains 177/183 properties
BEST_FIRST walk for 40002 steps (8 resets) in 265 ms. (150 steps per ms) remains 176/177 properties
BEST_FIRST walk for 40004 steps (8 resets) in 330 ms. (120 steps per ms) remains 174/176 properties
BEST_FIRST walk for 40003 steps (8 resets) in 254 ms. (156 steps per ms) remains 172/174 properties
BEST_FIRST walk for 40003 steps (8 resets) in 237 ms. (168 steps per ms) remains 168/172 properties
BEST_FIRST walk for 40002 steps (8 resets) in 257 ms. (155 steps per ms) remains 168/168 properties
BEST_FIRST walk for 40004 steps (8 resets) in 314 ms. (126 steps per ms) remains 168/168 properties
BEST_FIRST walk for 40003 steps (8 resets) in 236 ms. (168 steps per ms) remains 168/168 properties
BEST_FIRST walk for 40003 steps (8 resets) in 285 ms. (139 steps per ms) remains 168/168 properties
BEST_FIRST walk for 40004 steps (8 resets) in 246 ms. (161 steps per ms) remains 168/168 properties
BEST_FIRST walk for 40002 steps (8 resets) in 227 ms. (175 steps per ms) remains 168/168 properties
BEST_FIRST walk for 40002 steps (8 resets) in 265 ms. (150 steps per ms) remains 167/168 properties
BEST_FIRST walk for 40003 steps (8 resets) in 235 ms. (169 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (8 resets) in 288 ms. (138 steps per ms) remains 164/167 properties
BEST_FIRST walk for 40002 steps (8 resets) in 253 ms. (157 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (8 resets) in 279 ms. (142 steps per ms) remains 163/164 properties
BEST_FIRST walk for 40003 steps (8 resets) in 234 ms. (170 steps per ms) remains 163/163 properties
BEST_FIRST walk for 40002 steps (8 resets) in 210 ms. (189 steps per ms) remains 161/163 properties
BEST_FIRST walk for 40003 steps (8 resets) in 251 ms. (158 steps per ms) remains 159/161 properties
BEST_FIRST walk for 40001 steps (8 resets) in 316 ms. (126 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40003 steps (8 resets) in 272 ms. (146 steps per ms) remains 158/159 properties
BEST_FIRST walk for 40002 steps (8 resets) in 302 ms. (132 steps per ms) remains 157/158 properties
BEST_FIRST walk for 40002 steps (8 resets) in 301 ms. (132 steps per ms) remains 153/157 properties
BEST_FIRST walk for 40002 steps (8 resets) in 242 ms. (164 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40002 steps (8 resets) in 282 ms. (141 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 288 ms. (138 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40003 steps (8 resets) in 293 ms. (136 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40002 steps (8 resets) in 225 ms. (177 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 295 ms. (135 steps per ms) remains 151/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 240 ms. (165 steps per ms) remains 149/151 properties
BEST_FIRST walk for 40002 steps (8 resets) in 242 ms. (164 steps per ms) remains 142/149 properties
BEST_FIRST walk for 40003 steps (8 resets) in 226 ms. (176 steps per ms) remains 139/142 properties
BEST_FIRST walk for 40003 steps (8 resets) in 276 ms. (144 steps per ms) remains 139/139 properties
BEST_FIRST walk for 40002 steps (8 resets) in 237 ms. (168 steps per ms) remains 138/139 properties
BEST_FIRST walk for 40001 steps (8 resets) in 247 ms. (161 steps per ms) remains 138/138 properties
Reachability property qltransition_1682 is true.
BEST_FIRST walk for 40002 steps (8 resets) in 226 ms. (176 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40003 steps (8 resets) in 262 ms. (152 steps per ms) remains 137/138 properties
BEST_FIRST walk for 40003 steps (8 resets) in 251 ms. (158 steps per ms) remains 137/137 properties
BEST_FIRST walk for 40003 steps (8 resets) in 222 ms. (179 steps per ms) remains 137/137 properties
BEST_FIRST walk for 40004 steps (8 resets) in 227 ms. (175 steps per ms) remains 137/137 properties
BEST_FIRST walk for 40004 steps (8 resets) in 212 ms. (187 steps per ms) remains 135/137 properties
BEST_FIRST walk for 40003 steps (8 resets) in 273 ms. (145 steps per ms) remains 133/135 properties
Reachability property qltransition_1680 is true.
BEST_FIRST walk for 40003 steps (8 resets) in 223 ms. (178 steps per ms) remains 132/133 properties
BEST_FIRST walk for 40002 steps (8 resets) in 233 ms. (170 steps per ms) remains 132/132 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 126/132 properties
BEST_FIRST walk for 40001 steps (8 resets) in 213 ms. (186 steps per ms) remains 125/126 properties
BEST_FIRST walk for 40003 steps (8 resets) in 164 ms. (242 steps per ms) remains 125/125 properties
BEST_FIRST walk for 40003 steps (8 resets) in 255 ms. (156 steps per ms) remains 125/125 properties
BEST_FIRST walk for 40002 steps (8 resets) in 287 ms. (138 steps per ms) remains 125/125 properties
BEST_FIRST walk for 40003 steps (8 resets) in 204 ms. (195 steps per ms) remains 125/125 properties
BEST_FIRST walk for 40002 steps (8 resets) in 260 ms. (153 steps per ms) remains 125/125 properties
BEST_FIRST walk for 40004 steps (8 resets) in 252 ms. (158 steps per ms) remains 125/125 properties
BEST_FIRST walk for 40002 steps (8 resets) in 218 ms. (182 steps per ms) remains 124/125 properties
BEST_FIRST walk for 40002 steps (8 resets) in 236 ms. (168 steps per ms) remains 124/124 properties
BEST_FIRST walk for 40004 steps (8 resets) in 270 ms. (147 steps per ms) remains 124/124 properties
BEST_FIRST walk for 40003 steps (8 resets) in 214 ms. (186 steps per ms) remains 124/124 properties
BEST_FIRST walk for 40004 steps (8 resets) in 219 ms. (181 steps per ms) remains 124/124 properties
BEST_FIRST walk for 40004 steps (8 resets) in 216 ms. (184 steps per ms) remains 121/124 properties
BEST_FIRST walk for 40003 steps (8 resets) in 185 ms. (215 steps per ms) remains 121/121 properties
BEST_FIRST walk for 40003 steps (8 resets) in 148 ms. (268 steps per ms) remains 118/121 properties
BEST_FIRST walk for 40002 steps (8 resets) in 222 ms. (179 steps per ms) remains 118/118 properties
BEST_FIRST walk for 40004 steps (8 resets) in 187 ms. (212 steps per ms) remains 118/118 properties
BEST_FIRST walk for 40003 steps (8 resets) in 225 ms. (177 steps per ms) remains 118/118 properties
BEST_FIRST walk for 40003 steps (8 resets) in 249 ms. (160 steps per ms) remains 117/118 properties
BEST_FIRST walk for 40003 steps (8 resets) in 213 ms. (186 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (8 resets) in 196 ms. (203 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40001 steps (8 resets) in 213 ms. (186 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40002 steps (8 resets) in 223 ms. (178 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (8 resets) in 272 ms. (146 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (8 resets) in 179 ms. (222 steps per ms) remains 114/117 properties
BEST_FIRST walk for 40003 steps (8 resets) in 205 ms. (194 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (8 resets) in 157 ms. (253 steps per ms) remains 107/114 properties
BEST_FIRST walk for 40004 steps (8 resets) in 265 ms. (150 steps per ms) remains 107/107 properties
BEST_FIRST walk for 40002 steps (8 resets) in 212 ms. (187 steps per ms) remains 106/107 properties
BEST_FIRST walk for 40004 steps (8 resets) in 223 ms. (178 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40002 steps (8 resets) in 280 ms. (142 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40004 steps (8 resets) in 187 ms. (212 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40001 steps (8 resets) in 229 ms. (173 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40004 steps (8 resets) in 271 ms. (147 steps per ms) remains 102/106 properties
BEST_FIRST walk for 40004 steps (8 resets) in 180 ms. (221 steps per ms) remains 102/102 properties
BEST_FIRST walk for 40003 steps (8 resets) in 232 ms. (171 steps per ms) remains 102/102 properties
BEST_FIRST walk for 40004 steps (8 resets) in 222 ms. (179 steps per ms) remains 102/102 properties
Reachability property qltransition_1666 is true.
BEST_FIRST walk for 40004 steps (8 resets) in 178 ms. (223 steps per ms) remains 102/102 properties
BEST_FIRST walk for 40004 steps (8 resets) in 237 ms. (168 steps per ms) remains 102/102 properties
BEST_FIRST walk for 40003 steps (8 resets) in 210 ms. (189 steps per ms) remains 102/102 properties
BEST_FIRST walk for 40004 steps (8 resets) in 164 ms. (242 steps per ms) remains 98/102 properties
BEST_FIRST walk for 40003 steps (8 resets) in 146 ms. (272 steps per ms) remains 98/98 properties
BEST_FIRST walk for 40000 steps (8 resets) in 269 ms. (148 steps per ms) remains 97/98 properties
BEST_FIRST walk for 40003 steps (8 resets) in 206 ms. (193 steps per ms) remains 97/97 properties
Reachability property qltransition_1664 is true.
BEST_FIRST walk for 40003 steps (8 resets) in 247 ms. (161 steps per ms) remains 97/97 properties
BEST_FIRST walk for 40003 steps (8 resets) in 204 ms. (195 steps per ms) remains 97/97 properties
BEST_FIRST walk for 40004 steps (8 resets) in 229 ms. (173 steps per ms) remains 97/97 properties
BEST_FIRST walk for 40002 steps (8 resets) in 167 ms. (238 steps per ms) remains 97/97 properties
BEST_FIRST walk for 40001 steps (8 resets) in 199 ms. (200 steps per ms) remains 97/97 properties
BEST_FIRST walk for 40002 steps (8 resets) in 253 ms. (157 steps per ms) remains 97/97 properties
BEST_FIRST walk for 40002 steps (8 resets) in 231 ms. (172 steps per ms) remains 97/97 properties
BEST_FIRST walk for 40003 steps (8 resets) in 234 ms. (170 steps per ms) remains 97/97 properties
BEST_FIRST walk for 40003 steps (8 resets) in 151 ms. (263 steps per ms) remains 93/97 properties
BEST_FIRST walk for 40002 steps (8 resets) in 181 ms. (219 steps per ms) remains 91/93 properties
BEST_FIRST walk for 40002 steps (8 resets) in 231 ms. (172 steps per ms) remains 91/91 properties
BEST_FIRST walk for 40004 steps (8 resets) in 194 ms. (205 steps per ms) remains 91/91 properties
BEST_FIRST walk for 40003 steps (8 resets) in 184 ms. (216 steps per ms) remains 91/91 properties
BEST_FIRST walk for 40004 steps (8 resets) in 211 ms. (188 steps per ms) remains 91/91 properties
BEST_FIRST walk for 40003 steps (8 resets) in 166 ms. (239 steps per ms) remains 91/91 properties
BEST_FIRST walk for 40002 steps (8 resets) in 221 ms. (180 steps per ms) remains 91/91 properties
BEST_FIRST walk for 40003 steps (8 resets) in 214 ms. (186 steps per ms) remains 91/91 properties
BEST_FIRST walk for 40002 steps (8 resets) in 190 ms. (209 steps per ms) remains 91/91 properties
BEST_FIRST walk for 40002 steps (8 resets) in 218 ms. (182 steps per ms) remains 89/91 properties
BEST_FIRST walk for 40000 steps (8 resets) in 231 ms. (172 steps per ms) remains 88/89 properties
BEST_FIRST walk for 40003 steps (8 resets) in 209 ms. (190 steps per ms) remains 88/88 properties
// Phase 1: matrix 1657 rows 316 cols
[2026-05-25 05:29:28] [INFO ] Computed 20 invariants in 7 ms
[2026-05-25 05:29:28] [INFO ] State equation strengthened by 109 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (OVERLAPS) 250/301 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Reachability property qltransition_1650 is true.
Reachability property qltransition_1648 is true.
At refinement iteration 2 (INCLUDED_ONLY) 0/301 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 3 (OVERLAPS) 15/316 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:32] [INFO ] Deduced a trap composed of 36 places in 452 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:33] [INFO ] Deduced a trap composed of 37 places in 471 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:33] [INFO ] Deduced a trap composed of 36 places in 524 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:34] [INFO ] Deduced a trap composed of 36 places in 296 ms of which 31 ms to minimize.
Reachability property qltransition_1634 is true.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:35] [INFO ] Deduced a trap composed of 37 places in 422 ms of which 44 ms to minimize.
Reachability property qltransition_1632 is true.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:29:36] [INFO ] Deduced a trap composed of 38 places in 784 ms of which 31 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/316 variables, 6/26 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Reachability property qltransition_1618 is true.
Reachability property qltransition_1616 is true.
At refinement iteration 5 (INCLUDED_ONLY) 0/316 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Reachability property qltransition_1602 is true.
Reachability property qltransition_1600 is true.
At refinement iteration 6 (OVERLAPS) 1657/1973 variables, 316/342 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Reachability property qltransition_1586 is true.
Reachability property qltransition_1584 is true.
At refinement iteration 7 (INCLUDED_ONLY) 0/1973 variables, 109/451 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Reachability property qltransition_1570 is true.
Reachability property qltransition_1568 is true.
Reachability property qltransition_1554 is true.
Reachability property qltransition_1552 is true.
Reachability property qltransition_1541 is true.
Reachability property qltransition_1532 is true.
Reachability property qltransition_1523 is true.
Reachability property qltransition_1514 is true.
Reachability property qltransition_1505 is true.
Reachability property qltransition_1496 is true.
Reachability property qltransition_1487 is true.
Reachability property qltransition_1478 is true.
Reachability property qltransition_1469 is true.
Reachability property qltransition_1266 is true.
Reachability property qltransition_1265 is true.
Reachability property qltransition_1264 is true.
Reachability property qltransition_1263 is true.
Reachability property qltransition_1262 is true.
Reachability property qltransition_1261 is true.
Reachability property qltransition_1249 is true.
Reachability property qltransition_1248 is true.
Reachability property qltransition_1247 is true.
Reachability property qltransition_1246 is true.
Reachability property qltransition_1245 is true.
Reachability property qltransition_1244 is true.
Reachability property qltransition_1243 is true.
Reachability property qltransition_1232 is true.
Reachability property qltransition_1113 is true.
Reachability property qltransition_1112 is true.
Reachability property qltransition_1111 is true.
Reachability property qltransition_1110 is true.
Reachability property qltransition_1109 is true.
Reachability property qltransition_1108 is true.
Reachability property qltransition_1096 is true.
Reachability property qltransition_1095 is true.
Reachability property qltransition_1094 is true.
Reachability property qltransition_1093 is true.
Reachability property qltransition_1092 is true.
Reachability property qltransition_1091 is true.
Reachability property qltransition_1090 is true.
Reachability property qltransition_1079 is true.
Reachability property qltransition_960 is true.
Reachability property qltransition_959 is true.
Reachability property qltransition_958 is true.
Reachability property qltransition_957 is true.
Reachability property qltransition_956 is true.
Reachability property qltransition_955 is true.
Reachability property qltransition_943 is true.
Reachability property qltransition_942 is true.
Reachability property qltransition_941 is true.
Reachability property qltransition_940 is true.
Reachability property qltransition_939 is true.
Reachability property qltransition_938 is true.
Reachability property qltransition_937 is true.
Reachability property qltransition_926 is true.
Reachability property qltransition_807 is true.
Reachability property qltransition_806 is true.
Reachability property qltransition_805 is true.
Reachability property qltransition_804 is true.
Reachability property qltransition_803 is true.
Reachability property qltransition_802 is true.
Reachability property qltransition_790 is true.
Reachability property qltransition_789 is true.
Reachability property qltransition_788 is true.
Reachability property qltransition_787 is true.
Reachability property qltransition_786 is true.
Reachability property qltransition_785 is true.
Reachability property qltransition_784 is true.
Reachability property qltransition_773 is true.
Reachability property qltransition_654 is true.
Reachability property qltransition_653 is true.
Reachability property qltransition_652 is true.
Reachability property qltransition_651 is true.
Reachability property qltransition_650 is true.
Reachability property qltransition_649 is true.
Reachability property qltransition_637 is true.
Reachability property qltransition_636 is true.
Reachability property qltransition_635 is true.
Reachability property qltransition_634 is true.
Reachability property qltransition_633 is true.
Reachability property qltransition_632 is true.
Reachability property qltransition_631 is true.
Reachability property qltransition_620 is true.
Reachability property qltransition_501 is true.
Reachability property qltransition_500 is true.
Reachability property qltransition_499 is true.
Reachability property qltransition_498 is true.
Reachability property qltransition_497 is true.
Reachability property qltransition_496 is true.
Reachability property qltransition_484 is true.
Reachability property qltransition_483 is true.
Reachability property qltransition_482 is true.
Reachability property qltransition_481 is true.
Reachability property qltransition_480 is true.
Reachability property qltransition_479 is true.
Reachability property qltransition_478 is true.
Reachability property qltransition_467 is true.
Reachability property qltransition_348 is true.
Reachability property qltransition_347 is true.
Reachability property qltransition_346 is true.
Reachability property qltransition_345 is true.
Reachability property qltransition_344 is true.
Reachability property qltransition_343 is true.
Reachability property qltransition_331 is true.
Reachability property qltransition_330 is true.
Reachability property qltransition_329 is true.
Reachability property qltransition_328 is true.
Reachability property qltransition_327 is true.
Reachability property qltransition_326 is true.
Reachability property qltransition_325 is true.
Reachability property qltransition_314 is true.
Reachability property qltransition_195 is true.
Reachability property qltransition_194 is true.
Reachability property qltransition_193 is true.
Reachability property qltransition_192 is true.
Reachability property qltransition_191 is true.
Reachability property qltransition_190 is true.
Reachability property qltransition_178 is true.
Reachability property qltransition_177 is true.
Reachability property qltransition_176 is true.
Reachability property qltransition_175 is true.
Reachability property qltransition_174 is true.
Reachability property qltransition_173 is true.
Reachability property qltransition_172 is true.
Reachability property qltransition_161 is true.
At refinement iteration 8 (INCLUDED_ONLY) 0/1973 variables, 0/451 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Reachability property qltransition_42 is true.
Reachability property qltransition_41 is true.
Reachability property qltransition_40 is true.
Reachability property qltransition_39 is true.
Reachability property qltransition_38 is true.
Reachability property qltransition_37 is true.
Reachability property qltransition_25 is true.
Reachability property qltransition_24 is true.
Reachability property qltransition_23 is true.
Reachability property qltransition_22 is true.
Reachability property qltransition_21 is true.
Reachability property qltransition_20 is true.
Reachability property qltransition_19 is true.
Reachability property qltransition_8 is true.
SDD proceeding with computation,1431 properties remain. new max is 4096
SDD size :659284 after 2.79215e+06
SDD proceeding with computation,1431 properties remain. new max is 8192
SDD size :2.79215e+06 after 2.80975e+06
At refinement iteration 9 (OVERLAPS) 0/1973 variables, 0/451 constraints. Problems are: Problem set: 0 solved, 88 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1973/1973 variables, and 451 constraints, problems are : Problem set: 0 solved, 88 unsolved in 43964 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 316/316 constraints, ReadFeed: 109/109 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (OVERLAPS) 250/301 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/301 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 3 (OVERLAPS) 15/316 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/316 variables, 6/26 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:30:15] [INFO ] Deduced a trap composed of 37 places in 365 ms of which 28 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/316 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Reachability property qltransition_1542 is true.
Reachability property qltransition_1533 is true.
Reachability property qltransition_1524 is true.
Reachability property qltransition_1515 is true.
Reachability property qltransition_1506 is true.
Reachability property qltransition_1497 is true.
Reachability property qltransition_1488 is true.
Reachability property qltransition_1479 is true.
Reachability property qltransition_1470 is true.
Reachability property qltransition_1449 is true.
Reachability property qltransition_1440 is true.
Reachability property qltransition_1431 is true.
Reachability property qltransition_1422 is true.
Reachability property qltransition_1413 is true.
Reachability property qltransition_1404 is true.
Reachability property qltransition_1395 is true.
Reachability property qltransition_1386 is true.
Reachability property qltransition_1377 is true.
Reachability property qltransition_1267 is true.
Reachability property qltransition_1260 is true.
Reachability property qltransition_1259 is true.
Reachability property qltransition_1258 is true.
Reachability property qltransition_1250 is true.
Reachability property qltransition_1242 is true.
Reachability property qltransition_1241 is true.
Reachability property qltransition_1233 is true.
Reachability property qltransition_1114 is true.
Reachability property qltransition_1107 is true.
Reachability property qltransition_1106 is true.
Reachability property qltransition_1105 is true.
Reachability property qltransition_1097 is true.
Reachability property qltransition_1089 is true.
Reachability property qltransition_1088 is true.
Reachability property qltransition_1080 is true.
Reachability property qltransition_961 is true.
Reachability property qltransition_954 is true.
Reachability property qltransition_953 is true.
Reachability property qltransition_952 is true.
Reachability property qltransition_944 is true.
Reachability property qltransition_936 is true.
Reachability property qltransition_935 is true.
Reachability property qltransition_927 is true.
Reachability property qltransition_808 is true.
Reachability property qltransition_801 is true.
Reachability property qltransition_800 is true.
Reachability property qltransition_799 is true.
Reachability property qltransition_791 is true.
Reachability property qltransition_783 is true.
Reachability property qltransition_782 is true.
Reachability property qltransition_774 is true.
Reachability property qltransition_655 is true.
Reachability property qltransition_648 is true.
Reachability property qltransition_647 is true.
Reachability property qltransition_646 is true.
Reachability property qltransition_638 is true.
Reachability property qltransition_630 is true.
Reachability property qltransition_629 is true.
Reachability property qltransition_621 is true.
Reachability property qltransition_502 is true.
Reachability property qltransition_495 is true.
Reachability property qltransition_494 is true.
Reachability property qltransition_493 is true.
Reachability property qltransition_485 is true.
Reachability property qltransition_477 is true.
Reachability property qltransition_476 is true.
Reachability property qltransition_468 is true.
At refinement iteration 6 (INCLUDED_ONLY) 0/316 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Reachability property qltransition_349 is true.
Reachability property qltransition_342 is true.
Reachability property qltransition_341 is true.
Reachability property qltransition_340 is true.
Reachability property qltransition_332 is true.
Reachability property qltransition_324 is true.
Reachability property qltransition_323 is true.
Reachability property qltransition_315 is true.
Reachability property qltransition_196 is true.
Reachability property qltransition_189 is true.
Reachability property qltransition_188 is true.
Reachability property qltransition_187 is true.
Reachability property qltransition_179 is true.
Reachability property qltransition_171 is true.
Reachability property qltransition_170 is true.
Reachability property qltransition_162 is true.
At refinement iteration 7 (OVERLAPS) 1657/1973 variables, 316/343 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Reachability property qltransition_43 is true.
Reachability property qltransition_26 is true.
Reachability property qltransition_9 is true.
SDD proceeding with computation,1346 properties remain. new max is 8192
SDD size :2.80975e+06 after 8.59779e+06
At refinement iteration 8 (INCLUDED_ONLY) 0/1973 variables, 109/452 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1973 variables, 88/540 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Reachability property qltransition_36 is true.
Reachability property qltransition_35 is true.
Reachability property qltransition_34 is true.
Reachability property qltransition_18 is true.
Reachability property qltransition_17 is true.
SDD proceeding with computation,1341 properties remain. new max is 8192
SDD size :8.59779e+06 after 9.69516e+06
SDD proceeding with computation,1341 properties remain. new max is 16384
SDD size :9.69516e+06 after 1.01413e+07
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:30:46] [INFO ] Deduced a trap composed of 49 places in 963 ms of which 40 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/1973 variables, 1/541 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Reachability property qltransition_1450 is true.
Reachability property qltransition_1441 is true.
Reachability property qltransition_1432 is true.
Reachability property qltransition_1423 is true.
Reachability property qltransition_1414 is true.
Reachability property qltransition_1405 is true.
Reachability property qltransition_1396 is true.
Reachability property qltransition_1387 is true.
Reachability property qltransition_1378 is true.
Reachability property qltransition_1268 is true.
Reachability property qltransition_1251 is true.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1973/1973 variables, and 541 constraints, problems are : Problem set: 0 solved, 88 unsolved in 45027 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 316/316 constraints, ReadFeed: 109/109 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 89130ms problems are : Problem set: 0 solved, 88 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 51 out of 316 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 316/316 places, 1657/1657 transitions.
Discarding 62 places :
Symmetric choice reduction at 0 with 62 rule applications. Total rules 62 place count 254 transition count 1179
Iterating global reduction 0 with 62 rules applied. Total rules applied 124 place count 254 transition count 1179
Applied a total of 124 rules in 38 ms. Remains 254 /316 variables (removed 62) and now considering 1179/1657 (removed 478) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 254/316 places, 1179/1657 transitions.
Reachability property qltransition_1234 is true.
Reachability property qltransition_1115 is true.
Reachability property qltransition_1098 is true.
Reachability property qltransition_1081 is true.
Reachability property qltransition_962 is true.
Reachability property qltransition_945 is true.
Reachability property qltransition_928 is true.
Reachability property qltransition_809 is true.
Reachability property qltransition_792 is true.
Reachability property qltransition_775 is true.
Reachability property qltransition_656 is true.
Reachability property qltransition_639 is true.
RANDOM walk for 4000000 steps (8 resets) in 42215 ms. (94 steps per ms) remains 87/88 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1226 ms. (326 steps per ms) remains 84/87 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1541 ms. (259 steps per ms) remains 82/84 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1289 ms. (310 steps per ms) remains 82/82 properties
Reachability property qltransition_622 is true.
BEST_FIRST walk for 400003 steps (8 resets) in 1390 ms. (287 steps per ms) remains 82/82 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1323 ms. (302 steps per ms) remains 82/82 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1493 ms. (267 steps per ms) remains 77/82 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1229 ms. (325 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1425 ms. (280 steps per ms) remains 77/77 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1356 ms. (294 steps per ms) remains 73/77 properties
Reachability property qltransition_503 is true.
BEST_FIRST walk for 400003 steps (8 resets) in 1348 ms. (296 steps per ms) remains 71/73 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1473 ms. (271 steps per ms) remains 71/71 properties
Reachability property qltransition_486 is true.
BEST_FIRST walk for 400004 steps (8 resets) in 1183 ms. (337 steps per ms) remains 71/71 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1422 ms. (281 steps per ms) remains 67/71 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1393 ms. (286 steps per ms) remains 67/67 properties
Reachability property qltransition_469 is true.
BEST_FIRST walk for 400004 steps (8 resets) in 1192 ms. (335 steps per ms) remains 64/67 properties
Reachability property qltransition_350 is true.
BEST_FIRST walk for 400004 steps (8 resets) in 1342 ms. (297 steps per ms) remains 63/64 properties
Reachability property qltransition_333 is true.
BEST_FIRST walk for 400004 steps (8 resets) in 1276 ms. (313 steps per ms) remains 63/63 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1303 ms. (306 steps per ms) remains 63/63 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1198 ms. (333 steps per ms) remains 63/63 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1167 ms. (342 steps per ms) remains 59/63 properties
Reachability property qltransition_316 is true.
BEST_FIRST walk for 400002 steps (8 resets) in 1040 ms. (384 steps per ms) remains 58/59 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1256 ms. (318 steps per ms) remains 55/58 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1111 ms. (359 steps per ms) remains 54/55 properties
Reachability property qltransition_197 is true.
BEST_FIRST walk for 400002 steps (8 resets) in 1239 ms. (322 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1292 ms. (309 steps per ms) remains 54/54 properties
Reachability property qltransition_180 is true.
BEST_FIRST walk for 400004 steps (8 resets) in 1083 ms. (369 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1280 ms. (312 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1275 ms. (313 steps per ms) remains 47/54 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1234 ms. (323 steps per ms) remains 46/47 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1074 ms. (372 steps per ms) remains 45/46 properties
Reachability property qltransition_163 is true.
BEST_FIRST walk for 400001 steps (8 resets) in 1237 ms. (323 steps per ms) remains 43/45 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1084 ms. (368 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1188 ms. (336 steps per ms) remains 41/43 properties
Reachability property qltransition_44 is true.
BEST_FIRST walk for 400003 steps (8 resets) in 1116 ms. (358 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1193 ms. (335 steps per ms) remains 40/41 properties
Reachability property qltransition_27 is true.
Reachability property qltransition_10 is true.
SDD proceeding with computation,1305 properties remain. new max is 16384
SDD size :1.01413e+07 after 1.81905e+07
BEST_FIRST walk for 400004 steps (8 resets) in 1125 ms. (355 steps per ms) remains 40/40 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1028 ms. (388 steps per ms) remains 40/40 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1093 ms. (365 steps per ms) remains 38/40 properties
BEST_FIRST walk for 400002 steps (8 resets) in 945 ms. (422 steps per ms) remains 37/38 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1154 ms. (346 steps per ms) remains 36/37 properties
BEST_FIRST walk for 400002 steps (8 resets) in 917 ms. (435 steps per ms) remains 36/36 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1087 ms. (367 steps per ms) remains 36/36 properties
BEST_FIRST walk for 400004 steps (8 resets) in 928 ms. (430 steps per ms) remains 34/36 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1106 ms. (361 steps per ms) remains 32/34 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1036 ms. (385 steps per ms) remains 31/32 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1138 ms. (351 steps per ms) remains 31/31 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1185 ms. (337 steps per ms) remains 28/31 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1127 ms. (354 steps per ms) remains 28/28 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1044 ms. (382 steps per ms) remains 25/28 properties
BEST_FIRST walk for 400002 steps (8 resets) in 926 ms. (431 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400000 steps (8 resets) in 885 ms. (451 steps per ms) remains 23/25 properties
// Phase 1: matrix 1179 rows 254 cols
[2026-05-25 05:31:31] [INFO ] Computed 20 invariants in 5 ms
[2026-05-25 05:31:31] [INFO ] State equation strengthened by 73 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 1 (OVERLAPS) 206/229 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/229 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 3 (OVERLAPS) 24/253 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:31:32] [INFO ] Deduced a trap composed of 35 places in 344 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:31:32] [INFO ] Deduced a trap composed of 36 places in 350 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:31:33] [INFO ] Deduced a trap composed of 35 places in 1211 ms of which 26 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/253 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/253 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 6 (OVERLAPS) 1/254 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/254 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 8 (OVERLAPS) 1179/1433 variables, 254/277 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1433 variables, 73/350 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1433 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 11 (OVERLAPS) 0/1433 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 23 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1433/1433 variables, and 350 constraints, problems are : Problem set: 0 solved, 23 unsolved in 8737 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 254/254 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 23/23 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 1 (OVERLAPS) 206/229 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/229 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 3 (OVERLAPS) 24/253 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/253 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/253 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 6 (OVERLAPS) 1/254 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/254 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 8 (OVERLAPS) 1179/1433 variables, 254/277 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1433 variables, 73/350 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1433 variables, 23/373 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1433 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 12 (OVERLAPS) 0/1433 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 23 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1433/1433 variables, and 373 constraints, problems are : Problem set: 0 solved, 23 unsolved in 9170 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 254/254 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 23/23 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 17945ms problems are : Problem set: 0 solved, 23 unsolved
Parikh walk visited 2 properties in 6118 ms.
Support contains 22 out of 254 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 254/254 places, 1179/1179 transitions.
Discarding 26 places :
Symmetric choice reduction at 0 with 26 rule applications. Total rules 26 place count 228 transition count 753
Iterating global reduction 0 with 26 rules applied. Total rules applied 52 place count 228 transition count 753
Applied a total of 52 rules in 23 ms. Remains 228 /254 variables (removed 26) and now considering 753/1179 (removed 426) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 228/254 places, 753/1179 transitions.
RANDOM walk for 4000000 steps (8 resets) in 27381 ms. (146 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1076 ms. (371 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400002 steps (8 resets) in 906 ms. (441 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1025 ms. (389 steps per ms) remains 20/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1108 ms. (360 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1040 ms. (384 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400003 steps (8 resets) in 829 ms. (481 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1018 ms. (392 steps per ms) remains 19/20 properties
BEST_FIRST walk for 400003 steps (8 resets) in 845 ms. (472 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400002 steps (8 resets) in 806 ms. (495 steps per ms) remains 18/19 properties
BEST_FIRST walk for 400002 steps (8 resets) in 894 ms. (446 steps per ms) remains 17/18 properties
BEST_FIRST walk for 400002 steps (8 resets) in 738 ms. (541 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400003 steps (8 resets) in 904 ms. (441 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400003 steps (8 resets) in 843 ms. (473 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400003 steps (8 resets) in 912 ms. (438 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400003 steps (8 resets) in 754 ms. (529 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400003 steps (8 resets) in 883 ms. (452 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 870 ms. (459 steps per ms) remains 16/17 properties
BEST_FIRST walk for 400003 steps (8 resets) in 871 ms. (458 steps per ms) remains 15/16 properties
BEST_FIRST walk for 400004 steps (8 resets) in 917 ms. (435 steps per ms) remains 15/15 properties
BEST_FIRST walk for 400003 steps (8 resets) in 779 ms. (512 steps per ms) remains 15/15 properties
BEST_FIRST walk for 400003 steps (8 resets) in 718 ms. (556 steps per ms) remains 15/15 properties
// Phase 1: matrix 753 rows 228 cols
[2026-05-25 05:32:09] [INFO ] Computed 20 invariants in 3 ms
[2026-05-25 05:32:09] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 186/202 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/202 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 25/227 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:32:10] [INFO ] Deduced a trap composed of 35 places in 183 ms of which 24 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/227 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/227 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (OVERLAPS) 1/228 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/228 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (OVERLAPS) 753/981 variables, 228/249 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/981 variables, 72/321 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/981 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 11 (OVERLAPS) 0/981 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 981/981 variables, and 321 constraints, problems are : Problem set: 0 solved, 15 unsolved in 4307 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 228/228 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 186/202 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/202 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 25/227 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/227 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/227 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (OVERLAPS) 1/228 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/228 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (OVERLAPS) 753/981 variables, 228/249 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/981 variables, 72/321 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/981 variables, 15/336 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/981 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 12 (OVERLAPS) 0/981 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Int declared 981/981 variables, and 336 constraints, problems are : Problem set: 0 solved, 15 unsolved in 4309 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 228/228 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8657ms problems are : Problem set: 0 solved, 15 unsolved
SDD proceeding with computation,1305 properties remain. new max is 32768
SDD size :1.81905e+07 after 1.88149e+07
Parikh walk visited 0 properties in 3357 ms.
Support contains 16 out of 228 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 228/228 places, 753/753 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 222 transition count 651
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 222 transition count 651
Applied a total of 12 rules in 18 ms. Remains 222 /228 variables (removed 6) and now considering 651/753 (removed 102) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 222/228 places, 651/753 transitions.
RANDOM walk for 4000000 steps (8 resets) in 21563 ms. (185 steps per ms) remains 15/15 properties
BEST_FIRST walk for 400003 steps (8 resets) in 939 ms. (425 steps per ms) remains 14/15 properties
BEST_FIRST walk for 400003 steps (8 resets) in 660 ms. (605 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400003 steps (8 resets) in 844 ms. (473 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400003 steps (8 resets) in 721 ms. (554 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400002 steps (8 resets) in 947 ms. (421 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400003 steps (8 resets) in 693 ms. (576 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400002 steps (8 resets) in 658 ms. (606 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400003 steps (8 resets) in 930 ms. (429 steps per ms) remains 13/14 properties
BEST_FIRST walk for 400003 steps (8 resets) in 686 ms. (582 steps per ms) remains 13/13 properties
BEST_FIRST walk for 400001 steps (8 resets) in 654 ms. (610 steps per ms) remains 12/13 properties
BEST_FIRST walk for 400004 steps (8 resets) in 834 ms. (479 steps per ms) remains 12/12 properties
BEST_FIRST walk for 400003 steps (8 resets) in 632 ms. (631 steps per ms) remains 12/12 properties
BEST_FIRST walk for 400003 steps (8 resets) in 851 ms. (469 steps per ms) remains 12/12 properties
BEST_FIRST walk for 400002 steps (8 resets) in 636 ms. (627 steps per ms) remains 12/12 properties
BEST_FIRST walk for 400004 steps (8 resets) in 627 ms. (636 steps per ms) remains 11/12 properties
// Phase 1: matrix 651 rows 222 cols
[2026-05-25 05:32:31] [INFO ] Computed 20 invariants in 8 ms
[2026-05-25 05:32:31] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 192/204 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/204 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 17/221 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:32:31] [INFO ] Deduced a trap composed of 35 places in 157 ms of which 21 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/221 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/221 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (OVERLAPS) 1/222 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/222 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (OVERLAPS) 651/873 variables, 222/243 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/873 variables, 72/315 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/873 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (OVERLAPS) 0/873 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 873/873 variables, and 315 constraints, problems are : Problem set: 0 solved, 11 unsolved in 3127 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 222/222 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 192/204 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/204 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 17/221 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/221 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/221 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (OVERLAPS) 1/222 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/222 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (OVERLAPS) 651/873 variables, 222/243 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/873 variables, 72/315 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/873 variables, 11/326 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/873 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (OVERLAPS) 0/873 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Int declared 873/873 variables, and 326 constraints, problems are : Problem set: 0 solved, 11 unsolved in 3122 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 222/222 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6289ms problems are : Problem set: 0 solved, 11 unsolved
Parikh walk visited 0 properties in 2 ms.
Support contains 12 out of 222 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 222/222 places, 651/651 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 218 transition count 583
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 218 transition count 583
Applied a total of 8 rules in 20 ms. Remains 218 /222 variables (removed 4) and now considering 583/651 (removed 68) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 218/222 places, 583/651 transitions.
RANDOM walk for 4000000 steps (8 resets) in 19289 ms. (207 steps per ms) remains 11/11 properties
SDD proceeding with computation,1305 properties remain. new max is 65536
SDD size :1.88149e+07 after 2.1288e+07
BEST_FIRST walk for 4000003 steps (8 resets) in 5651 ms. (707 steps per ms) remains 10/11 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 6669 ms. (599 steps per ms) remains 9/10 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 5531 ms. (723 steps per ms) remains 8/9 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 4851 ms. (824 steps per ms) remains 7/8 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 5194 ms. (769 steps per ms) remains 6/7 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 4800 ms. (833 steps per ms) remains 5/6 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4585 ms. (872 steps per ms) remains 4/5 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 4999 ms. (800 steps per ms) remains 3/4 properties
BEST_FIRST walk for 4000001 steps (8 resets) in 4254 ms. (940 steps per ms) remains 2/3 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3926 ms. (1018 steps per ms) remains 1/2 properties
BEST_FIRST walk for 956643 steps (1 resets) in 718 ms. (1330 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 1692 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 505/505 places, 1845/1845 transitions.
Performed 72 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 72 Pre rules applied. Total rules applied 0 place count 505 transition count 1773
Deduced a syphon composed of 72 places in 1 ms
Reduce places removed 72 places and 0 transitions.
Iterating global reduction 0 with 144 rules applied. Total rules applied 144 place count 433 transition count 1773
Applied a total of 144 rules in 40 ms. Remains 433 /505 variables (removed 72) and now considering 1773/1845 (removed 72) transitions.
// Phase 1: matrix 1773 rows 433 cols
[2026-05-25 05:33:00] [INFO ] Computed 21 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:33:11] [INFO ] Implicit Places using invariants in 11223 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 11229 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 432/505 places, 1773/1845 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 81 transitions
Trivial Post-agglo rules discarded 81 transitions
Performed 81 trivial Post agglomeration. Transition count delta: 81
Iterating post reduction 0 with 81 rules applied. Total rules applied 81 place count 432 transition count 1692
Reduce places removed 81 places and 0 transitions.
Iterating post reduction 1 with 81 rules applied. Total rules applied 162 place count 351 transition count 1692
Applied a total of 162 rules in 19 ms. Remains 351 /432 variables (removed 81) and now considering 1692/1773 (removed 81) transitions.
// Phase 1: matrix 1692 rows 351 cols
[2026-05-25 05:33:11] [INFO ] Computed 20 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:33:16] [INFO ] Implicit Places using invariants in 5438 ms returned []
[2026-05-25 05:33:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:33:17] [INFO ] State equation strengthened by 135 read => feed constraints.
[2026-05-25 05:33:25] [INFO ] Implicit Places using invariants and state equation in 8266 ms returned []
Implicit Place search using SMT with State Equation took 13722 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 351/505 places, 1692/1845 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 25012 ms. Remains : 351/505 places, 1692/1845 transitions.
Net is quasi-live, checking if it is reversible to establish liveness.
Net is conservative; using simplified expression for initial state.
[2026-05-25 05:33:25] [INFO ] Flatten gal took : 87 ms
[2026-05-25 05:33:25] [INFO ] Flatten gal took : 76 ms
[2026-05-25 05:33:25] [INFO ] Time to serialize gal into /tmp/CTLFireability14337978039333629086.gal : 15 ms
[2026-05-25 05:33:25] [INFO ] Time to serialize properties into /tmp/CTLFireability17112239273053538902.ctl : 7 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability14337978039333629086.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability17112239273053538902.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-25 05:33:28] [INFO ] Flatten gal took : 58 ms
[2026-05-25 05:33:28] [INFO ] Applying decomposition
[2026-05-25 05:33:28] [INFO ] Flatten gal took : 61 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/graph2961069690643364133.txt' '-o' '/tmp/graph2961069690643364133.bin' '-w' '/tmp/graph2961069690643364133.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2961069690643364133.bin' '-l' '-1' '-v' '-w' '/tmp/graph2961069690643364133.weights' '-q' '0' '-e' '0.001'
[2026-05-25 05:33:29] [INFO ] Decomposing Gal with order
[2026-05-25 05:33:29] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 05:33:29] [INFO ] Removed a total of 3321 redundant transitions.
[2026-05-25 05:33:29] [INFO ] Flatten gal took : 284 ms
[2026-05-25 05:33:29] [INFO ] Fuse similar labels procedure discarded/fused a total of 307 labels/synchronizations in 49 ms.
[2026-05-25 05:33:29] [INFO ] Time to serialize gal into /tmp/CTLFireability17887720792600874964.gal : 13 ms
[2026-05-25 05:33:29] [INFO ] Time to serialize properties into /tmp/CTLFireability13959801558815244260.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability17887720792600874964.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability13959801558815244260.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...264
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-25 05:33:32] [INFO ] Flatten gal took : 63 ms
[2026-05-25 05:33:32] [INFO ] Flatten gal took : 66 ms
[2026-05-25 05:33:32] [INFO ] Time to serialize gal into /tmp/CTLFireability4787576438529243905.gal : 8 ms
[2026-05-25 05:33:32] [INFO ] Time to serialize properties into /tmp/CTLFireability17612249113175894387.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability4787576438529243905.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability17612249113175894387.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-25 05:34:02] [INFO ] Flatten gal took : 54 ms
[2026-05-25 05:34:02] [INFO ] Applying decomposition
[2026-05-25 05:34:02] [INFO ] Flatten gal took : 52 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph16465034487647167402.txt' '-o' '/tmp/graph16465034487647167402.bin' '-w' '/tmp/graph16465034487647167402.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16465034487647167402.bin' '-l' '-1' '-v' '-w' '/tmp/graph16465034487647167402.weights' '-q' '0' '-e' '0.001'
[2026-05-25 05:34:03] [INFO ] Decomposing Gal with order
[2026-05-25 05:34:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 05:34:03] [INFO ] Removed a total of 3380 redundant transitions.
[2026-05-25 05:34:03] [INFO ] Flatten gal took : 138 ms
[2026-05-25 05:34:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 222 labels/synchronizations in 57 ms.
[2026-05-25 05:34:03] [INFO ] Time to serialize gal into /tmp/CTLFireability1572004234049454751.gal : 25 ms
[2026-05-25 05:34:03] [INFO ] Time to serialize properties into /tmp/CTLFireability4492976904261122645.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability1572004234049454751.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability4492976904261122645.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...262
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-25 05:34:33] [INFO ] Flatten gal took : 61 ms
[2026-05-25 05:34:33] [INFO ] Flatten gal took : 49 ms
[2026-05-25 05:34:33] [INFO ] Time to serialize gal into /tmp/CTLFireability18178114497466091189.gal : 8 ms
[2026-05-25 05:34:33] [INFO ] Time to serialize properties into /tmp/CTLFireability5315117210216150738.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability18178114497466091189.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability5315117210216150738.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-25 05:39:34] [INFO ] Flatten gal took : 86 ms
[2026-05-25 05:39:34] [INFO ] Applying decomposition
[2026-05-25 05:39:34] [INFO ] Flatten gal took : 57 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/graph2099053595490649283.txt' '-o' '/tmp/graph2099053595490649283.bin' '-w' '/tmp/graph2099053595490649283.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2099053595490649283.bin' '-l' '-1' '-v' '-w' '/tmp/graph2099053595490649283.weights' '-q' '0' '-e' '0.001'
[2026-05-25 05:39:34] [INFO ] Decomposing Gal with order
[2026-05-25 05:39:34] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 05:39:34] [INFO ] Removed a total of 3138 redundant transitions.
[2026-05-25 05:39:34] [INFO ] Flatten gal took : 137 ms
[2026-05-25 05:39:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 370 labels/synchronizations in 34 ms.
[2026-05-25 05:39:34] [INFO ] Time to serialize gal into /tmp/CTLFireability18396654691924785214.gal : 10 ms
[2026-05-25 05:39:34] [INFO ] Time to serialize properties into /tmp/CTLFireability4352502932860837543.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability18396654691924785214.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability4352502932860837543.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...263
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-25 05:44:34] [INFO ] Flatten gal took : 50 ms
[2026-05-25 05:44:35] [INFO ] Flatten gal took : 48 ms
[2026-05-25 05:44:35] [INFO ] Time to serialize gal into /tmp/CTLFireability2037375671090220369.gal : 7 ms
[2026-05-25 05:44:35] [INFO ] Time to serialize properties into /tmp/CTLFireability11443054220861099591.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability2037375671090220369.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability11443054220861099591.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ 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 Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

Sequence of Actions to be Executed by the VM

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

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

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool gold2025"
echo " Input is Anderson-PT-09, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r016-oct2-177944372600119"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Anderson-PT-09.tgz
mv Anderson-PT-09 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "Liveness.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;