Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r091-smll-174860108100247.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is FireWire-PT-20, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r091-smll-174860108100247
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 616K
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 49K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 77K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 247K May 29 14:32 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1748652051354

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FireWire-PT-20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-05-31 00:40:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-05-31 00:40:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 00:40:53] [INFO ] Load time of PNML (sax parser for PT used): 293 ms
[2025-05-31 00:40:53] [INFO ] Transformed 626 places.
[2025-05-31 00:40:53] [INFO ] Transformed 1031 transitions.
[2025-05-31 00:40:53] [INFO ] Found NUPN structural information;
[2025-05-31 00:40:53] [INFO ] Parsed PT model containing 626 places and 1031 transitions and 3196 arcs in 514 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 626/626 places, 1031/1031 transitions.
Graph (trivial) has 458 edges and 626 vertex of which 12 / 626 are part of one of the 3 SCC in 8 ms
Free SCC test removed 9 places
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Reduce places removed 15 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 121 transitions
Trivial Post-agglo rules discarded 121 transitions
Performed 121 trivial Post agglomeration. Transition count delta: 121
Iterating post reduction 0 with 136 rules applied. Total rules applied 137 place count 602 transition count 900
Reduce places removed 121 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 123 rules applied. Total rules applied 260 place count 481 transition count 898
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 261 place count 480 transition count 898
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 16 Pre rules applied. Total rules applied 261 place count 480 transition count 882
Deduced a syphon composed of 16 places in 14 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 3 with 32 rules applied. Total rules applied 293 place count 464 transition count 882
Performed 147 Post agglomeration using F-continuation condition.Transition count delta: 147
Deduced a syphon composed of 147 places in 3 ms
Reduce places removed 147 places and 0 transitions.
Iterating global reduction 3 with 294 rules applied. Total rules applied 587 place count 317 transition count 735
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 590 place count 317 transition count 732
Performed 45 Post agglomeration using F-continuation condition.Transition count delta: -307
Deduced a syphon composed of 45 places in 2 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 4 with 90 rules applied. Total rules applied 680 place count 272 transition count 1039
Applied a total of 680 rules in 249 ms. Remains 272 /626 variables (removed 354) and now considering 1039/1031 (removed -8) transitions.
[2025-05-31 00:40:54] [INFO ] Flow matrix only has 986 transitions (discarded 53 similar events)
// Phase 1: matrix 986 rows 272 cols
[2025-05-31 00:40:54] [INFO ] Computed 10 invariants in 35 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 00:40:55] [INFO ] Implicit Places using invariants in 1141 ms returned []
[2025-05-31 00:40:55] [INFO ] Flow matrix only has 986 transitions (discarded 53 similar events)
[2025-05-31 00:40:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 00:40:56] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-05-31 00:40:57] [INFO ] Implicit Places using invariants and state equation in 2462 ms returned []
Implicit Place search using SMT with State Equation took 3677 ms to find 0 implicit places.
Running 1012 sub problems to find dead transitions.
[2025-05-31 00:40:57] [INFO ] Flow matrix only has 986 transitions (discarded 53 similar events)
[2025-05-31 00:40:57] [INFO ] Invariant cache hit.
[2025-05-31 00:40:58] [INFO ] State equation strengthened by 19 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 271/271 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/271 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
At refinement iteration 2 (OVERLAPS) 1/272 variables, 10/281 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 1/282 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:41:27] [INFO ] Deduced a trap composed of 79 places in 515 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:41:28] [INFO ] Deduced a trap composed of 88 places in 575 ms of which 49 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 272/1258 variables, and 284 constraints, problems are : Problem set: 0 solved, 1012 unsolved in 30081 ms.
Refiners :[Domain max(s): 272/272 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 0/272 constraints, ReadFeed: 0/19 constraints, PredecessorRefiner: 1012/1012 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1012 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 271/271 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/271 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
At refinement iteration 2 (OVERLAPS) 1/272 variables, 10/281 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 1/282 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/272 variables, 2/284 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:41:39] [INFO ] Deduced a trap composed of 57 places in 96 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:41:40] [INFO ] Deduced a trap composed of 57 places in 94 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:41:40] [INFO ] Deduced a trap composed of 57 places in 325 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:41:40] [INFO ] Deduced a trap composed of 169 places in 331 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:41:41] [INFO ] Deduced a trap composed of 34 places in 389 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:41:42] [INFO ] Deduced a trap composed of 26 places in 419 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:41:43] [INFO ] Deduced a trap composed of 48 places in 92 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:41:43] [INFO ] Deduced a trap composed of 46 places in 274 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:41:43] [INFO ] Deduced a trap composed of 48 places in 78 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:41:44] [INFO ] Deduced a trap composed of 46 places in 66 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:41:44] [INFO ] Deduced a trap composed of 48 places in 76 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:41:44] [INFO ] Deduced a trap composed of 58 places in 86 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:41:44] [INFO ] Deduced a trap composed of 46 places in 80 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:41:45] [INFO ] Deduced a trap composed of 25 places in 342 ms of which 30 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/272 variables, 14/298 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 272/1258 variables, and 298 constraints, problems are : Problem set: 0 solved, 1012 unsolved in 30029 ms.
Refiners :[Domain max(s): 272/272 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 0/272 constraints, ReadFeed: 0/19 constraints, PredecessorRefiner: 0/1012 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61495ms problems are : Problem set: 0 solved, 1012 unsolved
Search for dead transitions found 0 dead transitions in 61542ms
Starting structural reductions in LIVENESS mode, iteration 1 : 272/626 places, 1039/1031 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 65533 ms. Remains : 272/626 places, 1039/1031 transitions.
Discarding 473 transitions out of 1039. Remains 566
Initial state reduction rules removed 1 formulas.
[2025-05-31 00:42:01] [INFO ] Flatten gal took : 524 ms
[2025-05-31 00:42:01] [INFO ] Flatten gal took : 212 ms
RANDOM walk for 40000 steps (1529 resets) in 7596 ms. (5 steps per ms) remains 448/565 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 448/448 properties
[2025-05-31 00:42:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3793478302431065757.gal : 76 ms
BEST_FIRST walk for 404 steps (8 resets) in 43 ms. (9 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 448/448 properties
[2025-05-31 00:42:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10967365104653201564.prop : 8 ms
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 448/448 properties
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/ReachabilityCardinality3793478302431065757.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10967365104653201564.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 448/448 properties

BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 448/448 properties
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 404 steps (8 resets) in 18 ms. (21 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 59 ms. (6 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 448/448 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 448/448 properties
[2025-05-31 00:42:02] [INFO ] Flow matrix only has 986 transitions (discarded 53 similar events)
[2025-05-31 00:42:02] [INFO ] Invariant cache hit.
[2025-05-31 00:42:02] [INFO ] State equation strengthened by 19 read => feed constraints.
Loading property file /tmp/ReachabilityCardinality10967365104653201564.prop.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,448 properties remain. new max is 4
SDD size :1 after 55
SDD proceeding with computation,448 properties remain. new max is 8
SDD size :55 after 86
SDD proceeding with computation,448 properties remain. new max is 16
SDD size :86 after 88
SDD proceeding with computation,448 properties remain. new max is 32
SDD size :88 after 91
SDD proceeding with computation,448 properties remain. new max is 64
SDD size :91 after 109
SDD proceeding with computation,448 properties remain. new max is 128
SDD size :109 after 144
SDD proceeding with computation,448 properties remain. new max is 256
SDD size :144 after 224
Reachability property qltransition_247 is true.
Reachability property qltransition_64 is true.
SDD proceeding with computation,446 properties remain. new max is 256
SDD size :224 after 361
Reachability property qltransition_248 is true.
Reachability property qltransition_66 is true.
SDD proceeding with computation,444 properties remain. new max is 256
SDD size :361 after 454
Reachability property qltransition_600 is true.
Reachability property qltransition_592 is true.
Reachability property qltransition_588 is true.
Reachability property qltransition_584 is true.
Reachability property qltransition_580 is true.
Reachability property qltransition_572 is true.
Reachability property qltransition_569 is true.
Reachability property qltransition_566 is true.
Reachability property qltransition_563 is true.
Reachability property qltransition_560 is true.
Reachability property qltransition_554 is true.
Reachability property qltransition_539 is true.
Reachability property qltransition_536 is true.
Reachability property qltransition_533 is true.
Reachability property qltransition_530 is true.
Reachability property qltransition_524 is true.
Reachability property qltransition_309 is true.
Reachability property qltransition_308 is true.
Reachability property qltransition_307 is true.
Reachability property qltransition_303 is true.
Reachability property qltransition_302 is true.
Reachability property qltransition_301 is true.
Reachability property qltransition_300 is true.
Reachability property qltransition_299 is true.
Reachability property qltransition_68 is true.
SDD proceeding with computation,419 properties remain. new max is 256
SDD size :454 after 1244
Reachability property qltransition_576 is true.
Reachability property qltransition_557 is true.
Reachability property qltransition_550 is true.
Reachability property qltransition_546 is true.
Reachability property qltransition_542 is true.
Reachability property qltransition_527 is true.
Reachability property qltransition_494 is true.
Reachability property qltransition_482 is true.
Reachability property qltransition_478 is true.
Reachability property qltransition_474 is true.
Reachability property qltransition_470 is true.
Reachability property qltransition_468 is true.
Reachability property qltransition_466 is true.
Reachability property qltransition_464 is true.
Reachability property qltransition_460 is true.
Reachability property qltransition_456 is true.
Reachability property qltransition_454 is true.
Reachability property qltransition_452 is true.
Reachability property qltransition_450 is true.
Reachability property qltransition_448 is true.
Reachability property qltransition_446 is true.
Reachability property qltransition_441 is true.
Reachability property qltransition_436 is true.
Reachability property qltransition_431 is true.
Reachability property qltransition_426 is true.
Reachability property qltransition_421 is true.
Reachability property qltransition_416 is true.
Reachability property qltransition_403 is true.
Reachability property qltransition_400 is true.
Reachability property qltransition_397 is true.
Reachability property qltransition_305 is true.
Reachability property qltransition_304 is true.
Reachability property qltransition_296 is true.
Reachability property qltransition_274 is true.
SDD proceeding with computation,385 properties remain. new max is 256
SDD size :1244 after 1494
Reachability property qltransition_295 is true.
SDD proceeding with computation,384 properties remain. new max is 256
SDD size :1494 after 2757
SDD proceeding with computation,384 properties remain. new max is 512
SDD size :2757 after 3846
Reachability property qltransition_705 is true.
Reachability property qltransition_673 is true.
Reachability property qltransition_669 is true.
Reachability property qltransition_667 is true.
Reachability property qltransition_665 is true.
Reachability property qltransition_661 is true.
Reachability property qltransition_659 is true.
Reachability property qltransition_657 is true.
Reachability property qltransition_653 is true.
Reachability property qltransition_651 is true.
Reachability property qltransition_646 is true.
Reachability property qltransition_641 is true.
Reachability property qltransition_636 is true.
Reachability property qltransition_631 is true.
Reachability property qltransition_626 is true.
Reachability property qltransition_621 is true.
Reachability property qltransition_332 is true.
Reachability property qltransition_97 is true.
SDD proceeding with computation,366 properties remain. new max is 512
SDD size :3846 after 38671
Reachability property qltransition_598 is true.
Reachability property qltransition_596 is true.
Reachability property qltransition_342 is true.
Reachability property qltransition_341 is true.
Reachability property qltransition_212 is true.
Reachability property qltransition_197 is true.
Reachability property qltransition_196 is true.
Reachability property qltransition_195 is true.
Reachability property qltransition_194 is true.
Reachability property qltransition_193 is true.
Reachability property qltransition_164 is true.
Reachability property qltransition_163 is true.
Reachability property qltransition_162 is true.
Reachability property qltransition_161 is true.
Reachability property qltransition_67 is true.
Reachability property qltransition_65 is true.
Reachability property qltransition_63 is true.
Reachability property qltransition_61 is true.
SDD proceeding with computation,348 properties remain. new max is 512
SDD size :38671 after 41246
Reachability property qltransition_608 is true.
Reachability property qltransition_605 is true.
Reachability property qltransition_602 is true.
Reachability property qltransition_343 is true.
Reachability property qltransition_98 is true.
SDD proceeding with computation,343 properties remain. new max is 512
SDD size :41246 after 57570
SDD proceeding with computation,343 properties remain. new max is 1024
SDD size :57570 after 59296
Reachability property qltransition_306 is true.
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 240/240 constraints. Problems are: Problem set: 0 solved, 448 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/1258 variables, and 240 constraints, problems are : Problem set: 106 solved, 342 unsolved in 5024 ms.
Refiners :[Domain max(s): 240/272 constraints, Positive P Invariants (semi-flows): 0/10 constraints, State Equation: 0/272 constraints, ReadFeed: 0/19 constraints, PredecessorRefiner: 448/448 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 106 solved, 342 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Reachability property qltransition_70 is true.
At refinement iteration 0 (INCLUDED_ONLY) 0/193 variables, 193/193 constraints. Problems are: Problem set: 107 solved, 341 unsolved
SDD proceeding with computation,341 properties remain. new max is 1024
SDD size :59296 after 63434
Reachability property qltransition_989 is true.
Reachability property qltransition_987 is true.
Reachability property qltransition_983 is true.
Reachability property qltransition_979 is true.
Reachability property qltransition_923 is true.
Reachability property qltransition_915 is true.
Reachability property qltransition_907 is true.
Reachability property qltransition_905 is true.
Reachability property qltransition_903 is true.
Reachability property qltransition_901 is true.
Reachability property qltransition_899 is true.
Reachability property qltransition_895 is true.
Reachability property qltransition_893 is true.
Reachability property qltransition_891 is true.
Reachability property qltransition_889 is true.
Reachability property qltransition_887 is true.
Reachability property qltransition_885 is true.
Reachability property qltransition_883 is true.
Reachability property qltransition_878 is true.
Reachability property qltransition_873 is true.
Reachability property qltransition_868 is true.
Reachability property qltransition_863 is true.
Reachability property qltransition_858 is true.
Reachability property qltransition_853 is true.
Reachability property qltransition_46 is true.
SDD proceeding with computation,316 properties remain. new max is 1024
SDD size :63434 after 391274
Reachability property qltransition_379 is true.
Reachability property qltransition_378 is true.
Reachability property qltransition_187 is true.
SDD proceeding with computation,313 properties remain. new max is 1024
SDD size :391274 after 425489
Reachability property qltransition_380 is true.
Reachability property qltransition_369 is true.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 193/1258 variables, and 193 constraints, problems are : Problem set: 137 solved, 311 unsolved in 5015 ms.
Refiners :[Domain max(s): 193/272 constraints, Positive P Invariants (semi-flows): 0/10 constraints, State Equation: 0/272 constraints, ReadFeed: 0/19 constraints, PredecessorRefiner: 0/448 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10534ms problems are : Problem set: 137 solved, 311 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 184 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 1039/1039 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 272 transition count 1036
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 10 place count 265 transition count 1029
Iterating global reduction 1 with 7 rules applied. Total rules applied 17 place count 265 transition count 1029
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 1 with 19 rules applied. Total rules applied 36 place count 265 transition count 1010
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 2 with 12 rules applied. Total rules applied 48 place count 265 transition count 998
Free-agglomeration rule applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 58 place count 265 transition count 988
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 68 place count 255 transition count 988
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 69 place count 254 transition count 987
Iterating global reduction 3 with 1 rules applied. Total rules applied 70 place count 254 transition count 987
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 76 place count 254 transition count 981
Applied a total of 76 rules in 191 ms. Remains 254 /272 variables (removed 18) and now considering 981/1039 (removed 58) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 193 ms. Remains : 254/272 places, 981/1039 transitions.
Reachability property qltransition_45 is true.
SDD proceeding with computation,310 properties remain. new max is 1024
SDD size :425489 after 700258
SDD proceeding with computation,310 properties remain. new max is 2048
SDD size :700258 after 722301
Reachability property qltransition_840 is true.
Reachability property qltransition_837 is true.
Reachability property qltransition_834 is true.
SDD proceeding with computation,307 properties remain. new max is 2048
SDD size :722301 after 967755
SDD proceeding with computation,307 properties remain. new max is 4096
SDD size :967755 after 1.03441e+06
Reachability property qltransition_293 is true.
Reachability property qltransition_284 is true.
Reachability property qltransition_283 is true.
Reachability property qltransition_281 is true.
Reachability property qltransition_280 is true.
Reachability property qltransition_279 is true.
Reachability property qltransition_278 is true.
Reachability property qltransition_277 is true.
Reachability property qltransition_206 is true.
Reachability property qltransition_85 is true.
SDD proceeding with computation,297 properties remain. new max is 4096
SDD size :1.03441e+06 after 2.24514e+06
RANDOM walk for 3689328 steps (108055 resets) in 120004 ms. (30 steps per ms) remains 184/311 properties
BEST_FIRST walk for 40003 steps (83 resets) in 340 ms. (117 steps per ms) remains 184/184 properties
BEST_FIRST walk for 40003 steps (218 resets) in 328 ms. (121 steps per ms) remains 184/184 properties
BEST_FIRST walk for 40004 steps (83 resets) in 401 ms. (99 steps per ms) remains 178/184 properties
BEST_FIRST walk for 40003 steps (235 resets) in 275 ms. (144 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (84 resets) in 370 ms. (107 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (222 resets) in 316 ms. (126 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (82 resets) in 313 ms. (127 steps per ms) remains 177/178 properties
BEST_FIRST walk for 40003 steps (225 resets) in 584 ms. (68 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40004 steps (80 resets) in 575 ms. (69 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (224 resets) in 389 ms. (102 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40004 steps (81 resets) in 213 ms. (186 steps per ms) remains 177/177 properties
SDD proceeding with computation,297 properties remain. new max is 8192
SDD size :2.24514e+06 after 3.21751e+06
BEST_FIRST walk for 40003 steps (227 resets) in 281 ms. (141 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (87 resets) in 304 ms. (131 steps per ms) remains 176/177 properties
BEST_FIRST walk for 40003 steps (236 resets) in 249 ms. (160 steps per ms) remains 176/176 properties
BEST_FIRST walk for 40004 steps (86 resets) in 273 ms. (146 steps per ms) remains 175/176 properties
BEST_FIRST walk for 40003 steps (228 resets) in 247 ms. (161 steps per ms) remains 175/175 properties
BEST_FIRST walk for 40002 steps (83 resets) in 298 ms. (133 steps per ms) remains 175/175 properties
BEST_FIRST walk for 40003 steps (227 resets) in 307 ms. (129 steps per ms) remains 174/175 properties
BEST_FIRST walk for 40003 steps (84 resets) in 226 ms. (176 steps per ms) remains 174/174 properties
BEST_FIRST walk for 40004 steps (221 resets) in 295 ms. (135 steps per ms) remains 174/174 properties
BEST_FIRST walk for 40004 steps (78 resets) in 309 ms. (129 steps per ms) remains 174/174 properties
BEST_FIRST walk for 40003 steps (224 resets) in 238 ms. (167 steps per ms) remains 174/174 properties
BEST_FIRST walk for 40003 steps (81 resets) in 291 ms. (136 steps per ms) remains 173/174 properties
BEST_FIRST walk for 40004 steps (225 resets) in 298 ms. (133 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (83 resets) in 246 ms. (161 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (227 resets) in 260 ms. (153 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (83 resets) in 372 ms. (107 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (241 resets) in 345 ms. (115 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (83 resets) in 401 ms. (99 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (236 resets) in 390 ms. (102 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (85 resets) in 321 ms. (124 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (219 resets) in 198 ms. (201 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40002 steps (81 resets) in 187 ms. (212 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (232 resets) in 173 ms. (229 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (88 resets) in 202 ms. (197 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (236 resets) in 222 ms. (179 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (80 resets) in 275 ms. (144 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (240 resets) in 216 ms. (184 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (88 resets) in 253 ms. (157 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (237 resets) in 200 ms. (199 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (233 resets) in 174 ms. (228 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40003 steps (223 resets) in 201 ms. (198 steps per ms) remains 173/173 properties
BEST_FIRST walk for 40004 steps (222 resets) in 181 ms. (219 steps per ms) remains 172/173 properties
BEST_FIRST walk for 40004 steps (218 resets) in 229 ms. (173 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (225 resets) in 221 ms. (180 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (211 resets) in 349 ms. (114 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (227 resets) in 265 ms. (150 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40001 steps (222 resets) in 429 ms. (93 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (222 resets) in 336 ms. (118 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (221 resets) in 414 ms. (96 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (208 resets) in 248 ms. (160 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (82 resets) in 276 ms. (144 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (82 resets) in 250 ms. (159 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (81 resets) in 373 ms. (106 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (236 resets) in 264 ms. (150 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (238 resets) in 286 ms. (139 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (238 resets) in 341 ms. (116 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (229 resets) in 333 ms. (119 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (225 resets) in 292 ms. (136 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40002 steps (226 resets) in 271 ms. (147 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (237 resets) in 262 ms. (152 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (237 resets) in 247 ms. (161 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (232 resets) in 235 ms. (169 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (239 resets) in 303 ms. (131 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (229 resets) in 337 ms. (118 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (226 resets) in 290 ms. (137 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40002 steps (221 resets) in 297 ms. (134 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (218 resets) in 203 ms. (196 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (222 resets) in 324 ms. (123 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (245 resets) in 311 ms. (128 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (210 resets) in 393 ms. (101 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (218 resets) in 268 ms. (148 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (224 resets) in 223 ms. (178 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (231 resets) in 385 ms. (103 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (244 resets) in 238 ms. (167 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (224 resets) in 263 ms. (151 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (236 resets) in 226 ms. (176 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (225 resets) in 254 ms. (156 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (222 resets) in 263 ms. (151 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (231 resets) in 280 ms. (142 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (237 resets) in 277 ms. (143 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (232 resets) in 266 ms. (149 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (229 resets) in 258 ms. (154 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (222 resets) in 249 ms. (160 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (212 resets) in 197 ms. (202 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (220 resets) in 220 ms. (181 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (228 resets) in 180 ms. (221 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (213 resets) in 187 ms. (212 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (222 resets) in 233 ms. (170 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40004 steps (229 resets) in 215 ms. (185 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40003 steps (233 resets) in 249 ms. (160 steps per ms) remains 172/172 properties
BEST_FIRST walk for 40002 steps (225 resets) in 277 ms. (143 steps per ms) remains 172/172 properties
[2025-05-31 00:42:52] [INFO ] Flow matrix only has 930 transitions (discarded 51 similar events)
// Phase 1: matrix 930 rows 254 cols
[2025-05-31 00:42:52] [INFO ] Computed 10 invariants in 14 ms
[2025-05-31 00:42:52] [INFO ] State equation strengthened by 21 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (OVERLAPS) 129/241 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:42:53] [INFO ] Deduced a trap composed of 43 places in 71 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:42:54] [INFO ] Deduced a trap composed of 43 places in 84 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:42:54] [INFO ] Deduced a trap composed of 48 places in 72 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:42:54] [INFO ] Deduced a trap composed of 54 places in 73 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:42:54] [INFO ] Deduced a trap composed of 54 places in 73 ms of which 3 ms to minimize.
SDD proceeding with computation,297 properties remain. new max is 16384
SDD size :3.21751e+06 after 3.70571e+06
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:42:55] [INFO ] Deduced a trap composed of 34 places in 306 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:42:55] [INFO ] Deduced a trap composed of 45 places in 74 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:42:56] [INFO ] Deduced a trap composed of 55 places in 75 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/241 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:42:57] [INFO ] Deduced a trap composed of 55 places in 72 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/241 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 4/245 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:43:01] [INFO ] Deduced a trap composed of 38 places in 71 ms of which 5 ms to minimize.
Reachability property qltransition_414 is true.
Reachability property qltransition_412 is true.
Reachability property qltransition_410 is true.
Reachability property qltransition_408 is true.
Reachability property qltransition_406 is true.
Reachability property qltransition_292 is true.
Reachability property qltransition_291 is true.
Reachability property qltransition_290 is true.
Reachability property qltransition_289 is true.
Reachability property qltransition_288 is true.
Reachability property qltransition_287 is true.
Reachability property qltransition_286 is true.
Reachability property qltransition_285 is true.
Reachability property qltransition_255 is true.
Reachability property qltransition_254 is true.
Reachability property qltransition_253 is true.
Reachability property qltransition_252 is true.
Reachability property qltransition_251 is true.
Reachability property qltransition_250 is true.
Reachability property qltransition_249 is true.
Reachability property qltransition_222 is true.
Reachability property qltransition_221 is true.
Reachability property qltransition_205 is true.
Reachability property qltransition_204 is true.
Reachability property qltransition_203 is true.
Reachability property qltransition_202 is true.
Reachability property qltransition_201 is true.
Reachability property qltransition_200 is true.
Reachability property qltransition_199 is true.
Reachability property qltransition_169 is true.
Reachability property qltransition_168 is true.
Reachability property qltransition_167 is true.
Reachability property qltransition_166 is true.
Reachability property qltransition_165 is true.
Reachability property qltransition_141 is true.
Reachability property qltransition_140 is true.
At refinement iteration 6 (INCLUDED_ONLY) 0/245 variables, 1/20 constraints. Problems are: Problem set: 19 solved, 151 unsolved
Reachability property qltransition_135 is true.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:43:05] [INFO ] Deduced a trap composed of 79 places in 272 ms of which 38 ms to minimize.
Reachability property qltransition_134 is true.
At refinement iteration 7 (INCLUDED_ONLY) 0/245 variables, 1/21 constraints. Problems are: Problem set: 35 solved, 135 unsolved
Reachability property qltransition_117 is true.
Reachability property qltransition_84 is true.
Reachability property qltransition_83 is true.
Reachability property qltransition_82 is true.
Reachability property qltransition_81 is true.
Reachability property qltransition_80 is true.
Reachability property qltransition_79 is true.
Reachability property qltransition_78 is true.
Reachability property qltransition_77 is true.
Reachability property qltransition_76 is true.
Reachability property qltransition_75 is true.
Reachability property qltransition_74 is true.
Reachability property qltransition_73 is true.
Reachability property qltransition_72 is true.
Reachability property qltransition_71 is true.
SDD proceeding with computation,244 properties remain. new max is 16384
SDD size :3.70571e+06 after 4.48455e+06
At refinement iteration 8 (INCLUDED_ONLY) 0/245 variables, 0/21 constraints. Problems are: Problem set: 48 solved, 122 unsolved
At refinement iteration 9 (OVERLAPS) 930/1175 variables, 245/266 constraints. Problems are: Problem set: 48 solved, 122 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1175 variables, 21/287 constraints. Problems are: Problem set: 48 solved, 122 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1175 variables, 0/287 constraints. Problems are: Problem set: 48 solved, 122 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 9/1184 variables, 9/296 constraints. Problems are: Problem set: 48 solved, 122 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1184 variables, 0/296 constraints. Problems are: Problem set: 48 solved, 122 unsolved
SDD proceeding with computation,244 properties remain. new max is 32768
SDD size :4.48455e+06 after 5.53419e+06
At refinement iteration 14 (OVERLAPS) 0/1184 variables, 0/296 constraints. Problems are: Problem set: 48 solved, 122 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1184/1184 variables, and 296 constraints, problems are : Problem set: 48 solved, 122 unsolved in 33792 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 254/254 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 48 solved, 122 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 0/0 constraints. Problems are: Problem set: 48 solved, 122 unsolved
At refinement iteration 1 (OVERLAPS) 94/181 variables, 8/8 constraints. Problems are: Problem set: 48 solved, 122 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/181 variables, 7/15 constraints. Problems are: Problem set: 48 solved, 122 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/181 variables, 0/15 constraints. Problems are: Problem set: 48 solved, 122 unsolved
At refinement iteration 4 (OVERLAPS) 62/243 variables, 2/17 constraints. Problems are: Problem set: 48 solved, 122 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/243 variables, 4/21 constraints. Problems are: Problem set: 48 solved, 122 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:43:27] [INFO ] Deduced a trap composed of 39 places in 73 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 1/22 constraints. Problems are: Problem set: 48 solved, 122 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/22 constraints. Problems are: Problem set: 48 solved, 122 unsolved
At refinement iteration 8 (OVERLAPS) 930/1173 variables, 243/265 constraints. Problems are: Problem set: 48 solved, 122 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1173 variables, 21/286 constraints. Problems are: Problem set: 48 solved, 122 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1173 variables, 115/401 constraints. Problems are: Problem set: 48 solved, 122 unsolved
Reachability property qltransition_133 is true.
SDD proceeding with computation,243 properties remain. new max is 32768
SDD size :5.53419e+06 after 7.04625e+06
At refinement iteration 11 (INCLUDED_ONLY) 0/1173 variables, 0/401 constraints. Problems are: Problem set: 49 solved, 121 unsolved
Reachability property qltransition_395 is true.
Reachability property qltransition_393 is true.
Reachability property qltransition_391 is true.
Reachability property qltransition_294 is true.
Reachability property qltransition_282 is true.
At refinement iteration 12 (OVERLAPS) 11/1184 variables, 11/412 constraints. Problems are: Problem set: 49 solved, 121 unsolved
Reachability property qltransition_223 is true.
Reachability property qltransition_143 is true.
Reachability property qltransition_59 is true.
SDD proceeding with computation,235 properties remain. new max is 32768
SDD size :7.04625e+06 after 1.15043e+07
At refinement iteration 13 (INCLUDED_ONLY) 0/1184 variables, 6/418 constraints. Problems are: Problem set: 49 solved, 121 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1184/1184 variables, and 418 constraints, problems are : Problem set: 49 solved, 121 unsolved in 45024 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 254/254 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 121/170 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 78971ms problems are : Problem set: 49 solved, 121 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 85 out of 254 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 254/254 places, 981/981 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 242 transition count 708
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 242 transition count 708
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 26 place count 242 transition count 706
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 30 place count 238 transition count 691
Iterating global reduction 1 with 4 rules applied. Total rules applied 34 place count 238 transition count 691
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 43 place count 238 transition count 682
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 44 place count 237 transition count 680
Iterating global reduction 2 with 1 rules applied. Total rules applied 45 place count 237 transition count 680
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 46 place count 236 transition count 677
Iterating global reduction 2 with 1 rules applied. Total rules applied 47 place count 236 transition count 677
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 48 place count 235 transition count 675
Iterating global reduction 2 with 1 rules applied. Total rules applied 49 place count 235 transition count 675
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 50 place count 234 transition count 672
Iterating global reduction 2 with 1 rules applied. Total rules applied 51 place count 234 transition count 672
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 52 place count 233 transition count 670
Iterating global reduction 2 with 1 rules applied. Total rules applied 53 place count 233 transition count 670
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 54 place count 232 transition count 667
Iterating global reduction 2 with 1 rules applied. Total rules applied 55 place count 232 transition count 667
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 56 place count 231 transition count 665
Iterating global reduction 2 with 1 rules applied. Total rules applied 57 place count 231 transition count 665
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 58 place count 230 transition count 662
Iterating global reduction 2 with 1 rules applied. Total rules applied 59 place count 230 transition count 662
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 60 place count 229 transition count 660
Iterating global reduction 2 with 1 rules applied. Total rules applied 61 place count 229 transition count 660
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 62 place count 228 transition count 658
Iterating global reduction 2 with 1 rules applied. Total rules applied 63 place count 228 transition count 658
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 64 place count 227 transition count 656
Iterating global reduction 2 with 1 rules applied. Total rules applied 65 place count 227 transition count 656
Free-agglomeration rule applied 3 times.
Iterating global reduction 2 with 3 rules applied. Total rules applied 68 place count 227 transition count 653
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 71 place count 224 transition count 653
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 72 place count 223 transition count 652
Iterating global reduction 3 with 1 rules applied. Total rules applied 73 place count 223 transition count 652
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 3 with 9 rules applied. Total rules applied 82 place count 223 transition count 643
Applied a total of 82 rules in 250 ms. Remains 223 /254 variables (removed 31) and now considering 643/981 (removed 338) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 250 ms. Remains : 223/254 places, 643/981 transitions.
SDD proceeding with computation,235 properties remain. new max is 65536
SDD size :1.15043e+07 after 1.39215e+07
RANDOM walk for 4000000 steps (122328 resets) in 60865 ms. (65 steps per ms) remains 114/121 properties
BEST_FIRST walk for 40003 steps (93 resets) in 167 ms. (238 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (240 resets) in 145 ms. (274 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (89 resets) in 183 ms. (217 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (249 resets) in 143 ms. (277 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (85 resets) in 169 ms. (235 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (240 resets) in 179 ms. (222 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (91 resets) in 212 ms. (187 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (243 resets) in 196 ms. (203 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (93 resets) in 180 ms. (221 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (244 resets) in 195 ms. (204 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (95 resets) in 217 ms. (183 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (255 resets) in 191 ms. (208 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (249 resets) in 191 ms. (208 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (93 resets) in 184 ms. (216 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (239 resets) in 167 ms. (238 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (95 resets) in 202 ms. (197 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (234 resets) in 149 ms. (266 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (88 resets) in 201 ms. (198 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (250 resets) in 146 ms. (272 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (92 resets) in 194 ms. (205 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (235 resets) in 139 ms. (285 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (91 resets) in 211 ms. (188 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (245 resets) in 143 ms. (277 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (95 resets) in 170 ms. (233 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (257 resets) in 137 ms. (289 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40001 steps (239 resets) in 166 ms. (239 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (238 resets) in 190 ms. (209 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (255 resets) in 208 ms. (191 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40001 steps (231 resets) in 197 ms. (202 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (223 resets) in 192 ms. (207 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (238 resets) in 163 ms. (243 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (249 resets) in 175 ms. (227 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (90 resets) in 166 ms. (239 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (97 resets) in 238 ms. (167 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (236 resets) in 189 ms. (210 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (251 resets) in 245 ms. (162 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (246 resets) in 226 ms. (176 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (247 resets) in 246 ms. (161 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (249 resets) in 267 ms. (149 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (248 resets) in 259 ms. (153 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (251 resets) in 237 ms. (168 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (249 resets) in 180 ms. (221 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (249 resets) in 191 ms. (208 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (235 resets) in 205 ms. (194 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40001 steps (227 resets) in 178 ms. (223 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (250 resets) in 182 ms. (218 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (236 resets) in 183 ms. (217 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (244 resets) in 185 ms. (215 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (247 resets) in 168 ms. (236 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (256 resets) in 170 ms. (233 steps per ms) remains 114/114 properties
Reachability property qltransition_259 is true.
Reachability property qltransition_258 is true.
Reachability property qltransition_226 is true.
Reachability property qltransition_209 is true.
Reachability property qltransition_208 is true.
Reachability property qltransition_172 is true.
Reachability property qltransition_171 is true.
Reachability property qltransition_170 is true.
Reachability property qltransition_147 is true.
Reachability property qltransition_93 is true.
Reachability property qltransition_92 is true.
Reachability property qltransition_91 is true.
Reachability property qltransition_90 is true.
Reachability property qltransition_89 is true.
Reachability property qltransition_87 is true.
SDD proceeding with computation,220 properties remain. new max is 65536
SDD size :1.39215e+07 after 2.06944e+07
Interrupted probabilistic random walk after 3453024 steps, run timeout after 57001 ms. (steps per millisecond=60 ) properties seen :18 out of 114
Probabilistic random walk after 3453024 steps, saw 1074427 distinct states, run finished after 57018 ms. (steps per millisecond=60 ) properties seen :18
[2025-05-31 00:45:27] [INFO ] Flow matrix only has 624 transitions (discarded 19 similar events)
// Phase 1: matrix 624 rows 223 cols
[2025-05-31 00:45:27] [INFO ] Computed 10 invariants in 9 ms
[2025-05-31 00:45:27] [INFO ] State equation strengthened by 14 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 1 (OVERLAPS) 97/164 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 96 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:45:28] [INFO ] Deduced a trap composed of 41 places in 124 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:45:28] [INFO ] Deduced a trap composed of 41 places in 75 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:45:28] [INFO ] Deduced a trap composed of 52 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:45:29] [INFO ] Deduced a trap composed of 52 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:45:29] [INFO ] Deduced a trap composed of 54 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:45:29] [INFO ] Deduced a trap composed of 54 places in 59 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/164 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/164 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 4 (OVERLAPS) 47/211 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:45:32] [INFO ] Deduced a trap composed of 29 places in 245 ms of which 29 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/211 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 7 (OVERLAPS) 624/835 variables, 211/228 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/835 variables, 14/242 constraints. Problems are: Problem set: 0 solved, 96 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/835 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 10 (OVERLAPS) 12/847 variables, 12/254 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/847 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 96 unsolved
Reachability property qltransition_805 is true.
Reachability property qltransition_803 is true.
Reachability property qltransition_801 is true.
Reachability property qltransition_797 is true.
Reachability property qltransition_793 is true.
Reachability property qltransition_789 is true.
Reachability property qltransition_785 is true.
Reachability property qltransition_781 is true.
Reachability property qltransition_777 is true.
Reachability property qltransition_774 is true.
Reachability property qltransition_771 is true.
Reachability property qltransition_768 is true.
Reachability property qltransition_765 is true.
Reachability property qltransition_762 is true.
Reachability property qltransition_759 is true.
Reachability property qltransition_744 is true.
Reachability property qltransition_741 is true.
Reachability property qltransition_738 is true.
Reachability property qltransition_735 is true.
Reachability property qltransition_732 is true.
Reachability property qltransition_729 is true.
Reachability property qltransition_260 is true.
At refinement iteration 12 (OVERLAPS) 0/847 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 96 unsolved
No progress, stopping.
After SMT solving in domain Real declared 847/847 variables, and 254 constraints, problems are : Problem set: 0 solved, 96 unsolved in 19425 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 223/223 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 96/96 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 96 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
Reachability property qltransition_211 is true.
Reachability property qltransition_210 is true.
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 1 (OVERLAPS) 97/164 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/164 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 96 unsolved
Reachability property qltransition_173 is true.
At refinement iteration 3 (INCLUDED_ONLY) 0/164 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 4 (OVERLAPS) 47/211 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/211 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 96 unsolved
Reachability property qltransition_96 is true.
Reachability property qltransition_95 is true.
Reachability property qltransition_94 is true.
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 96 unsolved
SDD proceeding with computation,192 properties remain. new max is 65536
At refinement iteration 7 (OVERLAPS) 624/835 variables, 211/228 constraints. Problems are: Problem set: 0 solved, 96 unsolved
SDD size :2.06944e+07 after 3.55161e+07
At refinement iteration 8 (INCLUDED_ONLY) 0/835 variables, 14/242 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/835 variables, 92/334 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/835 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 11 (OVERLAPS) 12/847 variables, 12/346 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/847 variables, 4/350 constraints. Problems are: Problem set: 0 solved, 96 unsolved
SDD proceeding with computation,192 properties remain. new max is 131072
SDD size :3.55161e+07 after 4.42297e+07
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:46:34] [INFO ] Deduced a trap composed of 35 places in 70 ms of which 4 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/847 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 96 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 847/847 variables, and 351 constraints, problems are : Problem set: 0 solved, 96 unsolved in 75022 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 223/223 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 96/96 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 94499ms problems are : Problem set: 0 solved, 96 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 67 out of 223 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 643/643 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 218 transition count 638
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 218 transition count 638
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 12 place count 218 transition count 636
Reduce places removed 2 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 23 place count 216 transition count 627
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 215 transition count 626
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 215 transition count 626
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 28 place count 215 transition count 623
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 2 with 16 rules applied. Total rules applied 44 place count 215 transition count 607
Applied a total of 44 rules in 76 ms. Remains 215 /223 variables (removed 8) and now considering 607/643 (removed 36) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 76 ms. Remains : 215/223 places, 607/643 transitions.
RANDOM walk for 4000000 steps (127496 resets) in 53940 ms. (74 steps per ms) remains 93/96 properties
BEST_FIRST walk for 400001 steps (935 resets) in 1461 ms. (273 steps per ms) remains 93/93 properties
BEST_FIRST walk for 400002 steps (2457 resets) in 1231 ms. (324 steps per ms) remains 93/93 properties
BEST_FIRST walk for 400004 steps (923 resets) in 1365 ms. (292 steps per ms) remains 92/93 properties
BEST_FIRST walk for 400004 steps (2496 resets) in 1180 ms. (338 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400003 steps (922 resets) in 1455 ms. (274 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400004 steps (2526 resets) in 1467 ms. (272 steps per ms) remains 92/92 properties
SDD proceeding with computation,192 properties remain. new max is 262144
SDD size :4.42297e+07 after 5.01318e+07
BEST_FIRST walk for 400002 steps (923 resets) in 1346 ms. (296 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400002 steps (2490 resets) in 1121 ms. (356 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400003 steps (926 resets) in 1411 ms. (283 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400004 steps (2467 resets) in 1413 ms. (282 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400003 steps (921 resets) in 1409 ms. (283 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400004 steps (2483 resets) in 1337 ms. (298 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400004 steps (2472 resets) in 1260 ms. (317 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400003 steps (948 resets) in 1353 ms. (295 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400002 steps (2493 resets) in 1370 ms. (291 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400004 steps (914 resets) in 1613 ms. (247 steps per ms) remains 92/92 properties
BEST_FIRST walk for 400002 steps (2485 resets) in 1299 ms. (307 steps per ms) remains 91/92 properties
BEST_FIRST walk for 400003 steps (946 resets) in 1441 ms. (277 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2467 resets) in 1530 ms. (261 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (919 resets) in 1774 ms. (225 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2471 resets) in 1375 ms. (290 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400001 steps (955 resets) in 1369 ms. (291 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400002 steps (2493 resets) in 1348 ms. (296 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2509 resets) in 1369 ms. (291 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2417 resets) in 1359 ms. (294 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2385 resets) in 1163 ms. (343 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2391 resets) in 1453 ms. (275 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2414 resets) in 1526 ms. (261 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (933 resets) in 1400 ms. (285 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (930 resets) in 1455 ms. (274 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2507 resets) in 1570 ms. (254 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400002 steps (2539 resets) in 1205 ms. (331 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2521 resets) in 1238 ms. (322 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2493 resets) in 1545 ms. (258 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400002 steps (2536 resets) in 1362 ms. (293 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2505 resets) in 1488 ms. (268 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400002 steps (2540 resets) in 1215 ms. (328 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (2512 resets) in 1494 ms. (267 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2523 resets) in 1373 ms. (291 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (2493 resets) in 1329 ms. (300 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (2425 resets) in 1371 ms. (291 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (2480 resets) in 1418 ms. (281 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2451 resets) in 1277 ms. (312 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (2464 resets) in 1233 ms. (324 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2476 resets) in 1197 ms. (333 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2464 resets) in 1246 ms. (320 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400002 steps (2483 resets) in 1493 ms. (267 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (2473 resets) in 1252 ms. (319 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2464 resets) in 1198 ms. (333 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (2503 resets) in 1419 ms. (281 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (2457 resets) in 1319 ms. (303 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400002 steps (2495 resets) in 1627 ms. (245 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400002 steps (2500 resets) in 1448 ms. (276 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2459 resets) in 1403 ms. (284 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (2545 resets) in 1262 ms. (316 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (2511 resets) in 1380 ms. (289 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (2533 resets) in 1246 ms. (320 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2541 resets) in 1467 ms. (272 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400001 steps (2560 resets) in 1259 ms. (317 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (2530 resets) in 1290 ms. (309 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400002 steps (2547 resets) in 1256 ms. (318 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400002 steps (2515 resets) in 1339 ms. (298 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2522 resets) in 1436 ms. (278 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2558 resets) in 1208 ms. (330 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (2536 resets) in 1159 ms. (344 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400002 steps (2462 resets) in 1325 ms. (301 steps per ms) remains 91/91 properties
Reachability property qltransition_1037 is true.
Reachability property qltransition_1035 is true.
Reachability property qltransition_1033 is true.
Reachability property qltransition_1029 is true.
Reachability property qltransition_1025 is true.
Reachability property qltransition_1021 is true.
Reachability property qltransition_1017 is true.
Reachability property qltransition_1013 is true.
Reachability property qltransition_1009 is true.
Reachability property qltransition_1006 is true.
Reachability property qltransition_1003 is true.
Reachability property qltransition_1000 is true.
Reachability property qltransition_997 is true.
Reachability property qltransition_994 is true.
Reachability property qltransition_991 is true.
Reachability property qltransition_976 is true.
Reachability property qltransition_973 is true.
Reachability property qltransition_970 is true.
Reachability property qltransition_967 is true.
Reachability property qltransition_964 is true.
Reachability property qltransition_961 is true.
Reachability property qltransition_241 is true.
Reachability property qltransition_240 is true.
Reachability property qltransition_239 is true.
Reachability property qltransition_192 is true.
Reachability property qltransition_191 is true.
Reachability property qltransition_190 is true.
Reachability property qltransition_189 is true.
Reachability property qltransition_188 is true.
Reachability property qltransition_160 is true.
Reachability property qltransition_159 is true.
Reachability property qltransition_158 is true.
Reachability property qltransition_157 is true.
Reachability property qltransition_151 is true.
Reachability property qltransition_54 is true.
Reachability property qltransition_53 is true.
Reachability property qltransition_52 is true.
Reachability property qltransition_51 is true.
Reachability property qltransition_50 is true.
Reachability property qltransition_49 is true.
Reachability property qltransition_48 is true.
Reachability property qltransition_47 is true.
SDD proceeding with computation,150 properties remain. new max is 262144
SDD size :5.01318e+07 after 1.49784e+08
Interrupted probabilistic random walk after 8418158 steps, run timeout after 132001 ms. (steps per millisecond=63 ) properties seen :0 out of 91
Probabilistic random walk after 8418158 steps, saw 2546000 distinct states, run finished after 132001 ms. (steps per millisecond=63 ) properties seen :0
[2025-05-31 00:49:58] [INFO ] Flow matrix only has 596 transitions (discarded 11 similar events)
// Phase 1: matrix 596 rows 215 cols
[2025-05-31 00:49:58] [INFO ] Computed 10 invariants in 4 ms
[2025-05-31 00:49:58] [INFO ] State equation strengthened by 73 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 1 (OVERLAPS) 89/149 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 91 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:49:59] [INFO ] Deduced a trap composed of 46 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:49:59] [INFO ] Deduced a trap composed of 52 places in 73 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/149 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/149 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 4 (OVERLAPS) 55/204 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 91 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:50:02] [INFO ] Deduced a trap composed of 36 places in 86 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:50:02] [INFO ] Deduced a trap composed of 28 places in 339 ms of which 39 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/204 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 7 (OVERLAPS) 596/800 variables, 204/218 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/800 variables, 73/291 constraints. Problems are: Problem set: 0 solved, 91 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/800 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 10 (OVERLAPS) 11/811 variables, 11/302 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/811 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 12 (OVERLAPS) 0/811 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 91 unsolved
No progress, stopping.
After SMT solving in domain Real declared 811/811 variables, and 302 constraints, problems are : Problem set: 0 solved, 91 unsolved in 12926 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 215/215 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 91/91 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 91 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 1 (OVERLAPS) 89/149 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/149 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/149 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 4 (OVERLAPS) 55/204 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 91 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:50:12] [INFO ] Deduced a trap composed of 35 places in 49 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/204 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/204 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 8 (OVERLAPS) 596/800 variables, 204/219 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/800 variables, 73/292 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/800 variables, 87/379 constraints. Problems are: Problem set: 0 solved, 91 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:50:16] [INFO ] Deduced a trap composed of 41 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:50:17] [INFO ] Deduced a trap composed of 20 places in 214 ms of which 22 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/800 variables, 2/381 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/800 variables, 0/381 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 13 (OVERLAPS) 11/811 variables, 11/392 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/811 variables, 4/396 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/811 variables, 0/396 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 16 (OVERLAPS) 0/811 variables, 0/396 constraints. Problems are: Problem set: 0 solved, 91 unsolved
No progress, stopping.
After SMT solving in domain Int declared 811/811 variables, and 396 constraints, problems are : Problem set: 0 solved, 91 unsolved in 89934 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 215/215 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 91/91 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 102951ms problems are : Problem set: 0 solved, 91 unsolved
Reachability property qltransition_331 is true.
Reachability property qltransition_330 is true.
Reachability property qltransition_319 is true.
Reachability property qltransition_318 is true.
SDD proceeding with computation,146 properties remain. new max is 262144
SDD size :1.49784e+08 after 1.96719e+08
Detected timeout of ITS tools.
[2025-05-31 00:52:02] [INFO ] Flatten gal took : 174 ms
[2025-05-31 00:52:02] [INFO ] Applying decomposition
[2025-05-31 00:52:02] [INFO ] Flatten gal took : 138 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/graph6292323541353700411.txt' '-o' '/tmp/graph6292323541353700411.bin' '-w' '/tmp/graph6292323541353700411.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6292323541353700411.bin' '-l' '-1' '-v' '-w' '/tmp/graph6292323541353700411.weights' '-q' '0' '-e' '0.001'
[2025-05-31 00:52:03] [INFO ] Decomposing Gal with order
[2025-05-31 00:52:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 00:52:04] [INFO ] Removed a total of 2087 redundant transitions.
[2025-05-31 00:52:04] [INFO ] Flatten gal took : 486 ms
Parikh walk visited 0 properties in 22775 ms.
Support contains 60 out of 215 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 215/215 places, 607/607 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 213 transition count 605
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 213 transition count 605
Applied a total of 4 rules in 18 ms. Remains 213 /215 variables (removed 2) and now considering 605/607 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 213/215 places, 605/607 transitions.
[2025-05-31 00:52:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 389 labels/synchronizations in 136 ms.
[2025-05-31 00:52:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1651001540167206672.gal : 29 ms
[2025-05-31 00:52:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3144225968460600610.prop : 6 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1651001540167206672.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3144225968460600610.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality3144225968460600610.prop.
SDD proceeding with computation,91 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,91 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,91 properties remain. new max is 16
SDD size :1 after 28
SDD proceeding with computation,91 properties remain. new max is 32
SDD size :28 after 676
SDD proceeding with computation,91 properties remain. new max is 64
SDD size :676 after 3187
SDD proceeding with computation,91 properties remain. new max is 128
SDD size :3187 after 185383
Reachability property qltransition_615 is true.
Reachability property qltransition_322 is true.
Reachability property qltransition_267 is true.
Reachability property qltransition_266 is true.
Reachability property qltransition_265 is true.
Reachability property qltransition_264 is true.
Reachability property qltransition_263 is true.
Reachability property qltransition_144 is true.
Reachability property qltransition_118 is true.
Reachability property qltransition_112 is true.
Reachability property qltransition_110 is true.
Reachability property qltransition_108 is true.
Reachability property qltransition_106 is true.
Reachability property qltransition_104 is true.
SDD proceeding with computation,77 properties remain. new max is 128
SDD size :185383 after 3.88797e+07
Reachability property qltransition_619 is true.
Reachability property qltransition_328 is true.
Reachability property qltransition_327 is true.
Reachability property qltransition_325 is true.
Reachability property qltransition_213 is true.
Reachability property qltransition_174 is true.
Reachability property qltransition_101 is true.
SDD proceeding with computation,70 properties remain. new max is 128
SDD size :3.88797e+07 after 6.57005e+07
RANDOM walk for 4000000 steps (127197 resets) in 53772 ms. (74 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400002 steps (933 resets) in 1422 ms. (281 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2487 resets) in 1293 ms. (309 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (917 resets) in 1315 ms. (303 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (2512 resets) in 1562 ms. (255 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400002 steps (927 resets) in 1962 ms. (203 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (2516 resets) in 1601 ms. (249 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (932 resets) in 1775 ms. (225 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2496 resets) in 1798 ms. (222 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (939 resets) in 1859 ms. (215 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (2506 resets) in 1585 ms. (252 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (936 resets) in 2018 ms. (198 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (2489 resets) in 1850 ms. (216 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (2525 resets) in 1777 ms. (224 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (938 resets) in 2041 ms. (195 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (2500 resets) in 1818 ms. (219 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (941 resets) in 1880 ms. (212 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400002 steps (2451 resets) in 1464 ms. (273 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400002 steps (924 resets) in 1508 ms. (265 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (2460 resets) in 1476 ms. (270 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400004 steps (939 resets) in 1432 ms. (279 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400002 steps (2443 resets) in 1475 ms. (271 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400003 steps (945 resets) in 1510 ms. (264 steps per ms) remains 91/91 properties
BEST_FIRST walk for 400000 steps (2483 resets) in 1247 ms. (320 steps per ms) remains 88/91 properties
BEST_FIRST walk for 400003 steps (2509 resets) in 1385 ms. (288 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400001 steps (2389 resets) in 1223 ms. (326 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2452 resets) in 1225 ms. (326 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2453 resets) in 1332 ms. (300 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2456 resets) in 1261 ms. (316 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (917 resets) in 1654 ms. (241 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (939 resets) in 1477 ms. (270 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2531 resets) in 1370 ms. (291 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2494 resets) in 1293 ms. (309 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2526 resets) in 1237 ms. (323 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2486 resets) in 1195 ms. (334 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2483 resets) in 1314 ms. (304 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2497 resets) in 1254 ms. (318 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400002 steps (2488 resets) in 1227 ms. (325 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2505 resets) in 1186 ms. (336 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2504 resets) in 1225 ms. (326 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2522 resets) in 1393 ms. (286 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2516 resets) in 1286 ms. (310 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2449 resets) in 1338 ms. (298 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2432 resets) in 1692 ms. (236 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2440 resets) in 1519 ms. (263 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2458 resets) in 1543 ms. (259 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400002 steps (2466 resets) in 1184 ms. (337 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400002 steps (2469 resets) in 1405 ms. (284 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2473 resets) in 1258 ms. (317 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2469 resets) in 1422 ms. (281 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2444 resets) in 1251 ms. (319 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2497 resets) in 1513 ms. (264 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400002 steps (2458 resets) in 1431 ms. (279 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2442 resets) in 1532 ms. (260 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400002 steps (2469 resets) in 1703 ms. (234 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2500 resets) in 1356 ms. (294 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2531 resets) in 1318 ms. (303 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2504 resets) in 1204 ms. (331 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2543 resets) in 1217 ms. (328 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2549 resets) in 1414 ms. (282 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2536 resets) in 1368 ms. (292 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2524 resets) in 1530 ms. (261 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2546 resets) in 1720 ms. (232 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2509 resets) in 1316 ms. (303 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400002 steps (2490 resets) in 1405 ms. (284 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2502 resets) in 1396 ms. (286 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2476 resets) in 1531 ms. (261 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2479 resets) in 1324 ms. (301 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2559 resets) in 1317 ms. (303 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400001 steps (2527 resets) in 1436 ms. (278 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2427 resets) in 1215 ms. (328 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2548 resets) in 1381 ms. (289 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2459 resets) in 1224 ms. (326 steps per ms) remains 88/88 properties
Reachability property qltransition_613 is true.
Reachability property qltransition_611 is true.
Reachability property qltransition_224 is true.
Reachability property qltransition_219 is true.
Reachability property qltransition_218 is true.
Reachability property qltransition_217 is true.
Reachability property qltransition_216 is true.
Reachability property qltransition_215 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_128 is true.
Reachability property qltransition_111 is true.
Reachability property qltransition_109 is true.
Reachability property qltransition_107 is true.
Reachability property qltransition_105 is true.
Reachability property qltransition_103 is true.
SDD proceeding with computation,52 properties remain. new max is 128
SDD size :6.57005e+07 after 7.37669e+08
SDD proceeding with computation,52 properties remain. new max is 256
SDD size :1.11098e+10 after 1.30628e+10
SDD proceeding with computation,52 properties remain. new max is 512
SDD size :4.82712e+10 after 4.82712e+10
SDD proceeding with computation,52 properties remain. new max is 1024
SDD size :4.82712e+10 after 2.28961e+11
Interrupted probabilistic random walk after 10721914 steps, run timeout after 150001 ms. (steps per millisecond=71 ) properties seen :0 out of 88
Probabilistic random walk after 10721914 steps, saw 3232032 distinct states, run finished after 150001 ms. (steps per millisecond=71 ) properties seen :0
[2025-05-31 00:55:24] [INFO ] Flow matrix only has 594 transitions (discarded 11 similar events)
// Phase 1: matrix 594 rows 213 cols
[2025-05-31 00:55:24] [INFO ] Computed 10 invariants in 4 ms
[2025-05-31 00:55:24] [INFO ] State equation strengthened by 73 read => feed constraints.
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 1 (OVERLAPS) 51/87 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:55:25] [INFO ] Deduced a trap composed of 52 places in 61 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 4 (OVERLAPS) 114/201 variables, 7/11 constraints. Problems are: Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:55:26] [INFO ] Deduced a trap composed of 36 places in 74 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:55:26] [INFO ] Deduced a trap composed of 28 places in 201 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:55:26] [INFO ] Deduced a trap composed of 30 places in 229 ms of which 27 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 7 (OVERLAPS) 594/795 variables, 201/215 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/795 variables, 73/288 constraints. Problems are: Problem set: 0 solved, 49 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/795 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 10 (OVERLAPS) 12/807 variables, 12/300 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/807 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 12 (OVERLAPS) 0/807 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 49 unsolved
No progress, stopping.
After SMT solving in domain Real declared 807/807 variables, and 300 constraints, problems are : Problem set: 0 solved, 49 unsolved in 6156 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 213/213 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 49/49 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 1 (OVERLAPS) 51/87 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 4 (OVERLAPS) 114/201 variables, 7/11 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 7 (OVERLAPS) 594/795 variables, 201/215 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/795 variables, 73/288 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/795 variables, 46/334 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/795 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 11 (OVERLAPS) 12/807 variables, 12/346 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/807 variables, 3/349 constraints. Problems are: Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:55:40] [INFO ] Deduced a trap composed of 41 places in 63 ms of which 4 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/807 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/807 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 15 (OVERLAPS) 0/807 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 49 unsolved
No progress, stopping.
After SMT solving in domain Int declared 807/807 variables, and 350 constraints, problems are : Problem set: 0 solved, 49 unsolved in 31918 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 213/213 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 49/49 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38113ms problems are : Problem set: 0 solved, 49 unsolved
Parikh walk visited 0 properties in 16095 ms.
Support contains 36 out of 213 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 213/213 places, 605/605 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 209 transition count 598
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 209 transition count 598
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 208 transition count 592
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 208 transition count 592
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 207 transition count 590
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 207 transition count 590
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 206 transition count 587
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 206 transition count 587
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 205 transition count 585
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 205 transition count 585
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 204 transition count 582
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 204 transition count 582
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 203 transition count 580
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 203 transition count 580
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 202 transition count 577
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 202 transition count 577
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 201 transition count 575
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 201 transition count 575
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 200 transition count 572
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 200 transition count 572
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 27 place count 199 transition count 570
Iterating global reduction 0 with 1 rules applied. Total rules applied 28 place count 199 transition count 570
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 29 place count 198 transition count 568
Iterating global reduction 0 with 1 rules applied. Total rules applied 30 place count 198 transition count 568
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 31 place count 197 transition count 566
Iterating global reduction 0 with 1 rules applied. Total rules applied 32 place count 197 transition count 566
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 33 place count 197 transition count 565
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 34 place count 196 transition count 565
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 35 place count 195 transition count 564
Iterating global reduction 1 with 1 rules applied. Total rules applied 36 place count 195 transition count 564
Applied a total of 36 rules in 89 ms. Remains 195 /213 variables (removed 18) and now considering 564/605 (removed 41) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 89 ms. Remains : 195/213 places, 564/605 transitions.
RANDOM walk for 4000000 steps (129687 resets) in 39625 ms. (100 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (928 resets) in 1137 ms. (351 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (2521 resets) in 1230 ms. (324 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (939 resets) in 1122 ms. (356 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (2477 resets) in 1095 ms. (364 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (942 resets) in 1026 ms. (389 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (2529 resets) in 1103 ms. (362 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (917 resets) in 1148 ms. (348 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (2563 resets) in 959 ms. (416 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (952 resets) in 1091 ms. (366 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (2509 resets) in 958 ms. (417 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (923 resets) in 1116 ms. (358 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (2509 resets) in 1053 ms. (379 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (2485 resets) in 987 ms. (404 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (2484 resets) in 998 ms. (400 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (941 resets) in 1115 ms. (358 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (2554 resets) in 1127 ms. (354 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (2556 resets) in 1046 ms. (382 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (2527 resets) in 1152 ms. (346 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (2567 resets) in 1162 ms. (343 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (2575 resets) in 1106 ms. (361 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (2568 resets) in 1193 ms. (335 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (2546 resets) in 1519 ms. (263 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (2517 resets) in 1108 ms. (360 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (2552 resets) in 1355 ms. (294 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (2516 resets) in 1233 ms. (324 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (2543 resets) in 1129 ms. (353 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (2541 resets) in 1158 ms. (345 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (2589 resets) in 1046 ms. (382 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (2560 resets) in 1083 ms. (369 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (2610 resets) in 1093 ms. (365 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (2563 resets) in 1198 ms. (333 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (2585 resets) in 1026 ms. (389 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (2587 resets) in 1164 ms. (343 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (2483 resets) in 1291 ms. (309 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (2548 resets) in 990 ms. (403 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (2548 resets) in 1221 ms. (327 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (2551 resets) in 974 ms. (410 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (2538 resets) in 1082 ms. (369 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (2569 resets) in 962 ms. (415 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (2236 resets) in 1011 ms. (395 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (2200 resets) in 993 ms. (402 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (2171 resets) in 1009 ms. (396 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (2177 resets) in 887 ms. (450 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (2150 resets) in 968 ms. (412 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (2158 resets) in 866 ms. (461 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (2576 resets) in 942 ms. (424 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (2603 resets) in 972 ms. (411 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (2605 resets) in 1110 ms. (360 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (2491 resets) in 1153 ms. (346 steps per ms) remains 49/49 properties
Interrupted probabilistic random walk after 6695091 steps, run timeout after 90001 ms. (steps per millisecond=74 ) properties seen :0 out of 49
Probabilistic random walk after 6695091 steps, saw 2124862 distinct states, run finished after 90001 ms. (steps per millisecond=74 ) properties seen :0
[2025-05-31 00:58:19] [INFO ] Flow matrix only has 553 transitions (discarded 11 similar events)
// Phase 1: matrix 553 rows 195 cols
[2025-05-31 00:58:19] [INFO ] Computed 10 invariants in 3 ms
[2025-05-31 00:58:19] [INFO ] State equation strengthened by 73 read => feed constraints.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 1 (OVERLAPS) 51/87 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:58:20] [INFO ] Deduced a trap composed of 52 places in 92 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 4 (OVERLAPS) 97/184 variables, 7/11 constraints. Problems are: Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:58:21] [INFO ] Deduced a trap composed of 41 places in 81 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:58:21] [INFO ] Deduced a trap composed of 28 places in 311 ms of which 39 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/184 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 7 (OVERLAPS) 553/737 variables, 184/197 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/737 variables, 73/270 constraints. Problems are: Problem set: 0 solved, 49 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/737 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 10 (OVERLAPS) 11/748 variables, 11/281 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/748 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 12 (OVERLAPS) 0/748 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 49 unsolved
No progress, stopping.
After SMT solving in domain Real declared 748/748 variables, and 281 constraints, problems are : Problem set: 0 solved, 49 unsolved in 6254 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 195/195 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 49/49 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 1 (OVERLAPS) 51/87 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 4 (OVERLAPS) 97/184 variables, 7/11 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:58:27] [INFO ] Deduced a trap composed of 30 places in 259 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:58:27] [INFO ] Deduced a trap composed of 57 places in 239 ms of which 27 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/184 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/184 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 8 (OVERLAPS) 553/737 variables, 184/199 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/737 variables, 73/272 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/737 variables, 46/318 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/737 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 12 (OVERLAPS) 11/748 variables, 11/329 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/748 variables, 3/332 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/748 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 15 (OVERLAPS) 0/748 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 49 unsolved
No progress, stopping.
After SMT solving in domain Int declared 748/748 variables, and 332 constraints, problems are : Problem set: 0 solved, 49 unsolved in 33140 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 195/195 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 49/49 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 39440ms problems are : Problem set: 0 solved, 49 unsolved
Parikh walk visited 0 properties in 10942 ms.
Support contains 36 out of 195 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 195/195 places, 564/564 transitions.
Applied a total of 0 rules in 9 ms. Remains 195 /195 variables (removed 0) and now considering 564/564 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 195/195 places, 564/564 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 195/195 places, 564/564 transitions.
Applied a total of 0 rules in 9 ms. Remains 195 /195 variables (removed 0) and now considering 564/564 (removed 0) transitions.
[2025-05-31 00:59:10] [INFO ] Flow matrix only has 553 transitions (discarded 11 similar events)
[2025-05-31 00:59:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 00:59:10] [INFO ] Implicit Places using invariants in 180 ms returned []
[2025-05-31 00:59:10] [INFO ] Flow matrix only has 553 transitions (discarded 11 similar events)
[2025-05-31 00:59:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 00:59:10] [INFO ] State equation strengthened by 73 read => feed constraints.
[2025-05-31 00:59:11] [INFO ] Implicit Places using invariants and state equation in 720 ms returned []
Implicit Place search using SMT with State Equation took 902 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 00:59:11] [INFO ] Redundant transitions in 39 ms returned []
Running 556 sub problems to find dead transitions.
[2025-05-31 00:59:11] [INFO ] Flow matrix only has 553 transitions (discarded 11 similar events)
[2025-05-31 00:59:11] [INFO ] Invariant cache hit.
[2025-05-31 00:59:11] [INFO ] State equation strengthened by 73 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/194 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 556 unsolved
At refinement iteration 1 (OVERLAPS) 1/195 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 556 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:59:19] [INFO ] Deduced a trap composed of 52 places in 62 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:59:20] [INFO ] Deduced a trap composed of 28 places in 181 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:59:20] [INFO ] Deduced a trap composed of 35 places in 149 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:59:20] [INFO ] Deduced a trap composed of 35 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:59:21] [INFO ] Deduced a trap composed of 19 places in 188 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:59:21] [INFO ] Deduced a trap composed of 20 places in 183 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:59:21] [INFO ] Deduced a trap composed of 41 places in 182 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:59:21] [INFO ] Deduced a trap composed of 57 places in 206 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:59:23] [INFO ] Deduced a trap composed of 132 places in 167 ms of which 17 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/195 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 556 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:59:24] [INFO ] Deduced a trap composed of 106 places in 185 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:59:24] [INFO ] Deduced a trap composed of 142 places in 176 ms of which 18 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 556 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 556 unsolved
At refinement iteration 5 (OVERLAPS) 553/748 variables, 195/216 constraints. Problems are: Problem set: 0 solved, 556 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/748 variables, 73/289 constraints. Problems are: Problem set: 0 solved, 556 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 748/748 variables, and 289 constraints, problems are : Problem set: 0 solved, 556 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 195/195 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 556/556 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 556 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/194 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 556 unsolved
At refinement iteration 1 (OVERLAPS) 1/195 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 556 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/195 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 556 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 556 unsolved
At refinement iteration 4 (OVERLAPS) 553/748 variables, 195/216 constraints. Problems are: Problem set: 0 solved, 556 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/748 variables, 73/289 constraints. Problems are: Problem set: 0 solved, 556 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/748 variables, 556/845 constraints. Problems are: Problem set: 0 solved, 556 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 748/748 variables, and 845 constraints, problems are : Problem set: 0 solved, 556 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 195/195 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 556/556 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60389ms problems are : Problem set: 0 solved, 556 unsolved
Search for dead transitions found 0 dead transitions in 60391ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61355 ms. Remains : 195/195 places, 564/564 transitions.
RANDOM walk for 400000 steps (13098 resets) in 4249 ms. (94 steps per ms) remains 25/36 properties
Running SMT prover for 25 properties.
[2025-05-31 01:00:12] [INFO ] Flow matrix only has 553 transitions (discarded 11 similar events)
[2025-05-31 01:00:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 01:00:12] [INFO ] [Real]Absence check using 10 positive place invariants in 7 ms returned sat
[2025-05-31 01:00:13] [INFO ] After 264ms SMT Verify possible using state equation in real domain returned unsat :0 sat :25
[2025-05-31 01:00:13] [INFO ] State equation strengthened by 73 read => feed constraints.
[2025-05-31 01:00:13] [INFO ] After 157ms SMT Verify possible using 73 Read/Feed constraints in real domain returned unsat :0 sat :25
TRAPS : Iteration 0
[2025-05-31 01:00:14] [INFO ] After 1086ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:25
[2025-05-31 01:00:14] [INFO ] After 1467ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:25
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 01:00:14] [INFO ] [Nat]Absence check using 10 positive place invariants in 6 ms returned sat
[2025-05-31 01:00:14] [INFO ] After 271ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :25
[2025-05-31 01:00:14] [INFO ] After 149ms SMT Verify possible using 73 Read/Feed constraints in natural domain returned unsat :0 sat :25
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:00:14] [INFO ] Deduced a trap composed of 52 places in 75 ms of which 4 ms to minimize.
[2025-05-31 01:00:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 118 ms
Reachability property qltransition_382 is true.
Reachability property qltransition_381 is true.
Reachability property qltransition_376 is true.
Reachability property qltransition_375 is true.
Reachability property qltransition_374 is true.
Reachability property qltransition_373 is true.
TRAPS : Iteration 1
[2025-05-31 01:00:16] [INFO ] After 1973ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :25
[2025-05-31 01:00:16] [INFO ] After 2463ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :25
SDD proceeding with computation,46 properties remain. new max is 1024
SDD size :4.27175e+11 after 4.42563e+11
RANDOM walk for 4000000 steps (129997 resets) in 38965 ms. (102 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (947 resets) in 1088 ms. (367 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2555 resets) in 1057 ms. (378 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (938 resets) in 1139 ms. (350 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2542 resets) in 921 ms. (433 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (929 resets) in 1060 ms. (377 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2563 resets) in 1064 ms. (375 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (941 resets) in 1065 ms. (375 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2556 resets) in 1131 ms. (353 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (926 resets) in 1039 ms. (384 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2514 resets) in 924 ms. (432 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (941 resets) in 1273 ms. (313 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2479 resets) in 947 ms. (421 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400002 steps (2535 resets) in 907 ms. (440 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2522 resets) in 938 ms. (425 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (939 resets) in 1080 ms. (370 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2604 resets) in 1072 ms. (372 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2587 resets) in 1036 ms. (385 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2532 resets) in 1039 ms. (384 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2593 resets) in 1113 ms. (359 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2560 resets) in 922 ms. (433 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2556 resets) in 955 ms. (418 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2521 resets) in 1025 ms. (389 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2505 resets) in 917 ms. (435 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2528 resets) in 1076 ms. (371 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2530 resets) in 1073 ms. (372 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2553 resets) in 949 ms. (421 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2522 resets) in 1170 ms. (341 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2598 resets) in 964 ms. (414 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2606 resets) in 1050 ms. (380 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400002 steps (2589 resets) in 970 ms. (411 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2582 resets) in 1068 ms. (374 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2570 resets) in 994 ms. (402 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2600 resets) in 955 ms. (418 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400002 steps (2498 resets) in 1035 ms. (386 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400002 steps (2559 resets) in 846 ms. (472 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2524 resets) in 1117 ms. (357 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2542 resets) in 1066 ms. (374 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2552 resets) in 953 ms. (419 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2608 resets) in 944 ms. (423 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2566 resets) in 1092 ms. (365 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2556 resets) in 1179 ms. (338 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2614 resets) in 1200 ms. (333 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2516 resets) in 1035 ms. (386 steps per ms) remains 43/43 properties
Detected timeout of ITS tools.
Interrupted probabilistic random walk after 6116173 steps, run timeout after 84001 ms. (steps per millisecond=72 ) properties seen :0 out of 43
Probabilistic random walk after 6116173 steps, saw 1926553 distinct states, run finished after 84001 ms. (steps per millisecond=72 ) properties seen :0
[2025-05-31 01:02:08] [INFO ] Flow matrix only has 553 transitions (discarded 11 similar events)
[2025-05-31 01:02:08] [INFO ] Invariant cache hit.
[2025-05-31 01:02:08] [INFO ] State equation strengthened by 73 read => feed constraints.
Starting Z3 with timeout 135.0 s and query timeout 13500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (OVERLAPS) 58/87 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:02:09] [INFO ] Deduced a trap composed of 52 places in 80 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (OVERLAPS) 97/184 variables, 7/11 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:02:10] [INFO ] Deduced a trap composed of 35 places in 73 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:02:10] [INFO ] Deduced a trap composed of 41 places in 72 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:02:10] [INFO ] Deduced a trap composed of 28 places in 204 ms of which 24 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/184 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (OVERLAPS) 553/737 variables, 184/198 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/737 variables, 73/271 constraints. Problems are: Problem set: 0 solved, 43 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/737 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 10 (OVERLAPS) 11/748 variables, 11/282 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/748 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 12 (OVERLAPS) 0/748 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Real declared 748/748 variables, and 282 constraints, problems are : Problem set: 0 solved, 43 unsolved in 4868 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 195/195 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 135.0 s and query timeout 13500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (OVERLAPS) 58/87 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (OVERLAPS) 97/184 variables, 7/11 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/184 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (OVERLAPS) 553/737 variables, 184/198 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/737 variables, 73/271 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/737 variables, 40/311 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/737 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 11 (OVERLAPS) 11/748 variables, 11/322 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/748 variables, 3/325 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:02:20] [INFO ] Deduced a trap composed of 35 places in 57 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/748 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/748 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 15 (OVERLAPS) 0/748 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Int declared 748/748 variables, and 326 constraints, problems are : Problem set: 0 solved, 43 unsolved in 24343 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 195/195 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 29239ms problems are : Problem set: 0 solved, 43 unsolved
Parikh walk visited 0 properties in 11103 ms.
Support contains 29 out of 195 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 195/195 places, 564/564 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 191 transition count 560
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 191 transition count 560
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 10 place count 191 transition count 558
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 11 place count 191 transition count 557
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 12 place count 190 transition count 557
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 13 place count 189 transition count 556
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 189 transition count 556
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 17 place count 189 transition count 553
Applied a total of 17 rules in 31 ms. Remains 189 /195 variables (removed 6) and now considering 553/564 (removed 11) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 189/195 places, 553/564 transitions.
RANDOM walk for 4000000 steps (130226 resets) in 28779 ms. (138 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (933 resets) in 780 ms. (512 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2521 resets) in 679 ms. (588 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (925 resets) in 784 ms. (509 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400001 steps (2529 resets) in 683 ms. (584 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (939 resets) in 780 ms. (512 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2607 resets) in 679 ms. (588 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (960 resets) in 788 ms. (506 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400002 steps (2571 resets) in 676 ms. (590 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (934 resets) in 784 ms. (509 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2606 resets) in 683 ms. (584 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (938 resets) in 776 ms. (514 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2512 resets) in 654 ms. (610 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2540 resets) in 662 ms. (603 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2488 resets) in 656 ms. (608 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (943 resets) in 786 ms. (508 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2577 resets) in 674 ms. (592 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2597 resets) in 692 ms. (577 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2640 resets) in 667 ms. (598 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2554 resets) in 662 ms. (603 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2558 resets) in 680 ms. (587 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400002 steps (2554 resets) in 667 ms. (598 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2532 resets) in 668 ms. (597 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2577 resets) in 674 ms. (592 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2513 resets) in 672 ms. (594 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2522 resets) in 669 ms. (597 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400001 steps (2568 resets) in 673 ms. (593 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2606 resets) in 678 ms. (589 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2584 resets) in 676 ms. (590 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2584 resets) in 687 ms. (581 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2589 resets) in 675 ms. (591 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2585 resets) in 674 ms. (592 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400002 steps (2608 resets) in 670 ms. (596 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2618 resets) in 671 ms. (595 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2567 resets) in 669 ms. (597 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2616 resets) in 678 ms. (589 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2522 resets) in 665 ms. (600 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2562 resets) in 691 ms. (578 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400003 steps (2621 resets) in 662 ms. (603 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400002 steps (2599 resets) in 669 ms. (597 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2605 resets) in 670 ms. (596 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2585 resets) in 661 ms. (604 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2636 resets) in 676 ms. (590 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (2551 resets) in 690 ms. (578 steps per ms) remains 43/43 properties
Interrupted probabilistic random walk after 3402332 steps, run timeout after 48001 ms. (steps per millisecond=70 ) properties seen :0 out of 43
Probabilistic random walk after 3402332 steps, saw 1103895 distinct states, run finished after 48001 ms. (steps per millisecond=70 ) properties seen :0
[2025-05-31 01:03:53] [INFO ] Flow matrix only has 542 transitions (discarded 11 similar events)
// Phase 1: matrix 542 rows 189 cols
[2025-05-31 01:03:53] [INFO ] Computed 10 invariants in 3 ms
[2025-05-31 01:03:53] [INFO ] State equation strengthened by 70 read => feed constraints.
Starting Z3 with timeout 150.0 s and query timeout 15000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (OVERLAPS) 52/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:03:54] [INFO ] Deduced a trap composed of 46 places in 59 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/81 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (OVERLAPS) 97/178 variables, 7/11 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:03:54] [INFO ] Deduced a trap composed of 36 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:03:55] [INFO ] Deduced a trap composed of 57 places in 268 ms of which 41 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/178 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (OVERLAPS) 542/720 variables, 178/191 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/720 variables, 70/261 constraints. Problems are: Problem set: 0 solved, 43 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/720 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 10 (OVERLAPS) 11/731 variables, 11/272 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/731 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 12 (OVERLAPS) 0/731 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Real declared 731/731 variables, and 272 constraints, problems are : Problem set: 0 solved, 43 unsolved in 6307 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 189/189 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 150.0 s and query timeout 15000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (OVERLAPS) 52/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/81 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (OVERLAPS) 97/178 variables, 7/11 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/178 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (OVERLAPS) 542/720 variables, 178/191 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/720 variables, 70/261 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/720 variables, 40/301 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/720 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 11 (OVERLAPS) 11/731 variables, 11/312 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/731 variables, 3/315 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/731 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 14 (OVERLAPS) 0/731 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Int declared 731/731 variables, and 315 constraints, problems are : Problem set: 0 solved, 43 unsolved in 16131 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 189/189 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 22470ms problems are : Problem set: 0 solved, 43 unsolved
Parikh walk visited 0 properties in 11413 ms.
Support contains 29 out of 189 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 189/189 places, 553/553 transitions.
Applied a total of 0 rules in 10 ms. Remains 189 /189 variables (removed 0) and now considering 553/553 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 189/189 places, 553/553 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 189/189 places, 553/553 transitions.
Applied a total of 0 rules in 8 ms. Remains 189 /189 variables (removed 0) and now considering 553/553 (removed 0) transitions.
[2025-05-31 01:04:27] [INFO ] Flow matrix only has 542 transitions (discarded 11 similar events)
[2025-05-31 01:04:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 01:04:27] [INFO ] Implicit Places using invariants in 222 ms returned []
[2025-05-31 01:04:27] [INFO ] Flow matrix only has 542 transitions (discarded 11 similar events)
[2025-05-31 01:04:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 01:04:27] [INFO ] State equation strengthened by 70 read => feed constraints.
[2025-05-31 01:04:28] [INFO ] Implicit Places using invariants and state equation in 703 ms returned []
Implicit Place search using SMT with State Equation took 927 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 01:04:28] [INFO ] Redundant transitions in 14 ms returned []
Running 545 sub problems to find dead transitions.
[2025-05-31 01:04:28] [INFO ] Flow matrix only has 542 transitions (discarded 11 similar events)
[2025-05-31 01:04:28] [INFO ] Invariant cache hit.
[2025-05-31 01:04:28] [INFO ] State equation strengthened by 70 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/188 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 545 unsolved
At refinement iteration 1 (OVERLAPS) 1/189 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 545 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:04:36] [INFO ] Deduced a trap composed of 46 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:04:36] [INFO ] Deduced a trap composed of 28 places in 188 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:04:37] [INFO ] Deduced a trap composed of 35 places in 154 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:04:37] [INFO ] Deduced a trap composed of 35 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:04:38] [INFO ] Deduced a trap composed of 19 places in 226 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:04:38] [INFO ] Deduced a trap composed of 20 places in 272 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:04:38] [INFO ] Deduced a trap composed of 36 places in 192 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:04:38] [INFO ] Deduced a trap composed of 57 places in 240 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:04:40] [INFO ] Deduced a trap composed of 126 places in 175 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:04:40] [INFO ] Deduced a trap composed of 137 places in 223 ms of which 27 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/189 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 545 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 545 unsolved
At refinement iteration 4 (OVERLAPS) 542/731 variables, 189/209 constraints. Problems are: Problem set: 0 solved, 545 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/731 variables, 70/279 constraints. Problems are: Problem set: 0 solved, 545 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 731/731 variables, and 279 constraints, problems are : Problem set: 0 solved, 545 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 189/189 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 545/545 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 545 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/188 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 545 unsolved
At refinement iteration 1 (OVERLAPS) 1/189 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 545 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/189 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 545 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 545 unsolved
At refinement iteration 4 (OVERLAPS) 542/731 variables, 189/209 constraints. Problems are: Problem set: 0 solved, 545 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/731 variables, 70/279 constraints. Problems are: Problem set: 0 solved, 545 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/731 variables, 545/824 constraints. Problems are: Problem set: 0 solved, 545 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 731/731 variables, and 824 constraints, problems are : Problem set: 0 solved, 545 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 189/189 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 545/545 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60292ms problems are : Problem set: 0 solved, 545 unsolved
Search for dead transitions found 0 dead transitions in 60294ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61251 ms. Remains : 189/189 places, 553/553 transitions.
RANDOM walk for 400000 steps (12977 resets) in 2957 ms. (135 steps per ms) remains 21/29 properties
Running SMT prover for 21 properties.
[2025-05-31 01:05:29] [INFO ] Flow matrix only has 542 transitions (discarded 11 similar events)
[2025-05-31 01:05:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 01:05:29] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2025-05-31 01:05:29] [INFO ] After 240ms SMT Verify possible using state equation in real domain returned unsat :0 sat :21
[2025-05-31 01:05:29] [INFO ] State equation strengthened by 70 read => feed constraints.
[2025-05-31 01:05:30] [INFO ] After 122ms SMT Verify possible using 70 Read/Feed constraints in real domain returned unsat :0 sat :21
TRAPS : Iteration 0
[2025-05-31 01:05:30] [INFO ] After 871ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:21
[2025-05-31 01:05:30] [INFO ] After 1197ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:21
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 01:05:30] [INFO ] [Nat]Absence check using 10 positive place invariants in 5 ms returned sat
[2025-05-31 01:05:31] [INFO ] After 270ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :21
[2025-05-31 01:05:31] [INFO ] After 177ms SMT Verify possible using 70 Read/Feed constraints in natural domain returned unsat :0 sat :21
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:05:32] [INFO ] Deduced a trap composed of 46 places in 72 ms of which 5 ms to minimize.
[2025-05-31 01:05:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 120 ms
TRAPS : Iteration 1
[2025-05-31 01:05:33] [INFO ] After 2027ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :21
[2025-05-31 01:05:33] [INFO ] After 2443ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :21
RANDOM walk for 276 steps (8 resets) in 6 ms. (39 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1282 resets) in 259 ms. (153 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (258 resets) in 114 ms. (347 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 575858 steps, run timeout after 3001 ms. (steps per millisecond=191 ) properties seen :0 out of 1
Probabilistic random walk after 575858 steps, saw 187677 distinct states, run finished after 3001 ms. (steps per millisecond=191 ) properties seen :0
[2025-05-31 01:05:36] [INFO ] Flow matrix only has 542 transitions (discarded 11 similar events)
[2025-05-31 01:05:36] [INFO ] Invariant cache hit.
[2025-05-31 01:05:36] [INFO ] State equation strengthened by 70 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:05:36] [INFO ] Deduced a trap composed of 36 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:05:36] [INFO ] Deduced a trap composed of 46 places in 51 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 542/717 variables, 175/187 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/717 variables, 70/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/717 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 14/731 variables, 14/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/731 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/731 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 731/731 variables, and 271 constraints, problems are : Problem set: 0 solved, 1 unsolved in 478 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 189/189 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 542/717 variables, 175/187 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/717 variables, 70/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/717 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/717 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 14/731 variables, 14/272 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/731 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/731 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 731/731 variables, and 272 constraints, problems are : Problem set: 0 solved, 1 unsolved in 429 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 189/189 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 913ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 1 out of 189 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 189/189 places, 553/553 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 184 transition count 545
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 184 transition count 545
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 183 transition count 539
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 183 transition count 539
Free-agglomeration rule applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 16 place count 183 transition count 535
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 20 place count 179 transition count 535
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 21 place count 178 transition count 534
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 178 transition count 534
Applied a total of 22 rules in 26 ms. Remains 178 /189 variables (removed 11) and now considering 534/553 (removed 19) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 178/189 places, 534/553 transitions.
RANDOM walk for 40000 steps (1342 resets) in 162 ms. (245 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (251 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 759457 steps, run timeout after 3001 ms. (steps per millisecond=253 ) properties seen :0 out of 1
Probabilistic random walk after 759457 steps, saw 209516 distinct states, run finished after 3001 ms. (steps per millisecond=253 ) properties seen :0
[2025-05-31 01:05:40] [INFO ] Flow matrix only has 523 transitions (discarded 11 similar events)
// Phase 1: matrix 523 rows 178 cols
[2025-05-31 01:05:40] [INFO ] Computed 10 invariants in 3 ms
[2025-05-31 01:05:40] [INFO ] State equation strengthened by 98 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 51/52 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/166 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:05:40] [INFO ] Deduced a trap composed of 42 places in 53 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/166 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 523/689 variables, 166/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/689 variables, 98/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/689 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 12/701 variables, 12/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/701 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/701 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 701/701 variables, and 287 constraints, problems are : Problem set: 0 solved, 1 unsolved in 436 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 178/178 constraints, ReadFeed: 98/98 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 51/52 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/166 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:05:41] [INFO ] Deduced a trap composed of 17 places in 185 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:05:41] [INFO ] Deduced a trap composed of 35 places in 46 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/166 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/166 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 523/689 variables, 166/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/689 variables, 98/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/689 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/689 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 12/701 variables, 12/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/701 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/701 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 701/701 variables, and 290 constraints, problems are : Problem set: 0 solved, 1 unsolved in 616 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 178/178 constraints, ReadFeed: 98/98 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1062ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 11 ms.
Support contains 1 out of 178 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 178/178 places, 534/534 transitions.
Applied a total of 0 rules in 7 ms. Remains 178 /178 variables (removed 0) and now considering 534/534 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 178/178 places, 534/534 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 178/178 places, 534/534 transitions.
Applied a total of 0 rules in 7 ms. Remains 178 /178 variables (removed 0) and now considering 534/534 (removed 0) transitions.
[2025-05-31 01:05:41] [INFO ] Flow matrix only has 523 transitions (discarded 11 similar events)
[2025-05-31 01:05:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 01:05:41] [INFO ] Implicit Places using invariants in 215 ms returned []
[2025-05-31 01:05:41] [INFO ] Flow matrix only has 523 transitions (discarded 11 similar events)
[2025-05-31 01:05:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 01:05:41] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-05-31 01:05:42] [INFO ] Implicit Places using invariants and state equation in 721 ms returned []
Implicit Place search using SMT with State Equation took 938 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 01:05:42] [INFO ] Redundant transitions in 6 ms returned []
Running 526 sub problems to find dead transitions.
[2025-05-31 01:05:42] [INFO ] Flow matrix only has 523 transitions (discarded 11 similar events)
[2025-05-31 01:05:42] [INFO ] Invariant cache hit.
[2025-05-31 01:05:42] [INFO ] State equation strengthened by 98 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/177 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 1 (OVERLAPS) 1/178 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 526 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:05:51] [INFO ] Deduced a trap composed of 25 places in 274 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:05:52] [INFO ] Deduced a trap composed of 42 places in 79 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:05:52] [INFO ] Deduced a trap composed of 35 places in 178 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:05:52] [INFO ] Deduced a trap composed of 35 places in 73 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:05:53] [INFO ] Deduced a trap composed of 16 places in 296 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:05:53] [INFO ] Deduced a trap composed of 17 places in 202 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:05:53] [INFO ] Deduced a trap composed of 35 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:05:55] [INFO ] Deduced a trap composed of 122 places in 227 ms of which 22 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/178 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/178 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 4 (OVERLAPS) 523/701 variables, 178/196 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/701 variables, 98/294 constraints. Problems are: Problem set: 0 solved, 526 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(s133 0.0)timeout

org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 701/701 variables, and 294 constraints, problems are : Problem set: 0 solved, 526 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 178/178 constraints, ReadFeed: 98/98 constraints, PredecessorRefiner: 526/526 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 526 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/177 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 1 (OVERLAPS) 1/178 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/178 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/178 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 4 (OVERLAPS) 523/701 variables, 178/196 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/701 variables, 98/294 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/701 variables, 526/820 constraints. Problems are: Problem set: 0 solved, 526 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 701/701 variables, and 820 constraints, problems are : Problem set: 0 solved, 526 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 178/178 constraints, ReadFeed: 98/98 constraints, PredecessorRefiner: 526/526 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60307ms problems are : Problem set: 0 solved, 526 unsolved
Search for dead transitions found 0 dead transitions in 60317ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61280 ms. Remains : 178/178 places, 534/534 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 119 edges and 178 vertex of which 29 / 178 are part of one of the 4 SCC in 0 ms
Free SCC test removed 25 places
Drop transitions (Empty/Sink Transition effects.) removed 148 transitions
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 175 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 4 place count 150 transition count 356
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 150 transition count 356
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 0 with 15 rules applied. Total rules applied 22 place count 150 transition count 341
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 24 place count 149 transition count 340
Drop transitions (Redundant composition of simpler transitions.) removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 1 with 27 rules applied. Total rules applied 51 place count 149 transition count 313
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 1 with 6 rules applied. Total rules applied 57 place count 149 transition count 307
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 66 place count 143 transition count 304
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 66 place count 143 transition count 301
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 72 place count 140 transition count 301
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 74 place count 139 transition count 300
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 75 place count 139 transition count 299
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 77 place count 138 transition count 298
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 78 place count 137 transition count 260
Iterating global reduction 3 with 1 rules applied. Total rules applied 79 place count 137 transition count 260
Free-agglomeration rule applied 3 times.
Iterating global reduction 3 with 3 rules applied. Total rules applied 82 place count 137 transition count 257
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 85 place count 134 transition count 257
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 4 with 6 rules applied. Total rules applied 91 place count 134 transition count 251
Free-agglomeration rule applied 3 times.
Iterating global reduction 4 with 3 rules applied. Total rules applied 94 place count 134 transition count 248
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 97 place count 131 transition count 248
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 5 with 6 rules applied. Total rules applied 103 place count 131 transition count 248
Applied a total of 103 rules in 82 ms. Remains 131 /178 variables (removed 47) and now considering 248/534 (removed 286) transitions.
Running SMT prover for 1 properties.
[2025-05-31 01:06:42] [INFO ] Flow matrix only has 244 transitions (discarded 4 similar events)
// Phase 1: matrix 244 rows 131 cols
[2025-05-31 01:06:42] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 01:06:42] [INFO ] [Real]Absence check using 10 positive place invariants in 5 ms returned sat
[2025-05-31 01:06:43] [INFO ] After 270ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 01:06:43] [INFO ] [Nat]Absence check using 10 positive place invariants in 5 ms returned sat
[2025-05-31 01:06:43] [INFO ] After 94ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 01:06:43] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-31 01:06:43] [INFO ] After 14ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 01:06:43] [INFO ] After 33ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 01:06:43] [INFO ] After 200ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 563 ms.
RANDOM walk for 163 steps (2 resets) in 5 ms. (27 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1308 resets) in 192 ms. (207 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (255 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 628463 steps, run timeout after 3001 ms. (steps per millisecond=209 ) properties seen :0 out of 1
Probabilistic random walk after 628463 steps, saw 203775 distinct states, run finished after 3001 ms. (steps per millisecond=209 ) properties seen :0
[2025-05-31 01:06:46] [INFO ] Flow matrix only has 542 transitions (discarded 11 similar events)
// Phase 1: matrix 542 rows 189 cols
[2025-05-31 01:06:46] [INFO ] Computed 10 invariants in 3 ms
[2025-05-31 01:06:46] [INFO ] State equation strengthened by 70 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:06:46] [INFO ] Deduced a trap composed of 20 places in 192 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:06:46] [INFO ] Deduced a trap composed of 36 places in 50 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 542/717 variables, 175/187 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/717 variables, 70/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/717 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 14/731 variables, 14/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/731 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/731 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 731/731 variables, and 271 constraints, problems are : Problem set: 0 solved, 1 unsolved in 587 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 189/189 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:06:47] [INFO ] Deduced a trap composed of 35 places in 87 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:06:47] [INFO ] Deduced a trap composed of 46 places in 56 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 542/717 variables, 175/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/717 variables, 70/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/717 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/717 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/731 variables, 14/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/731 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/731 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 731/731 variables, and 274 constraints, problems are : Problem set: 0 solved, 1 unsolved in 571 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 189/189 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1167ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 18 ms.
Support contains 1 out of 189 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 189/189 places, 553/553 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 184 transition count 545
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 184 transition count 545
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 183 transition count 539
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 183 transition count 539
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 182 transition count 537
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 182 transition count 537
Free-agglomeration rule applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 18 place count 182 transition count 533
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 22 place count 178 transition count 533
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 23 place count 177 transition count 532
Iterating global reduction 1 with 1 rules applied. Total rules applied 24 place count 177 transition count 532
Applied a total of 24 rules in 43 ms. Remains 177 /189 variables (removed 12) and now considering 532/553 (removed 21) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 177/189 places, 532/553 transitions.
RANDOM walk for 40000 steps (1310 resets) in 173 ms. (229 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (265 resets) in 64 ms. (615 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 767172 steps, run timeout after 3001 ms. (steps per millisecond=255 ) properties seen :0 out of 1
Probabilistic random walk after 767172 steps, saw 212040 distinct states, run finished after 3001 ms. (steps per millisecond=255 ) properties seen :0
[2025-05-31 01:06:50] [INFO ] Flow matrix only has 521 transitions (discarded 11 similar events)
// Phase 1: matrix 521 rows 177 cols
[2025-05-31 01:06:50] [INFO ] Computed 10 invariants in 3 ms
[2025-05-31 01:06:50] [INFO ] State equation strengthened by 98 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 50/51 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/165 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:06:51] [INFO ] Deduced a trap composed of 25 places in 157 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:06:51] [INFO ] Deduced a trap composed of 35 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:06:51] [INFO ] Deduced a trap composed of 42 places in 62 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/165 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/165 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 521/686 variables, 165/178 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/686 variables, 98/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/686 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 12/698 variables, 12/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/698 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/698 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 698/698 variables, and 288 constraints, problems are : Problem set: 0 solved, 1 unsolved in 690 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 177/177 constraints, ReadFeed: 98/98 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 50/51 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/165 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/165 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:06:51] [INFO ] Deduced a trap composed of 17 places in 278 ms of which 29 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/165 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/165 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 521/686 variables, 165/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/686 variables, 98/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/686 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/686 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 12/698 variables, 12/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/698 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/698 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 698/698 variables, and 290 constraints, problems are : Problem set: 0 solved, 1 unsolved in 876 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 177/177 constraints, ReadFeed: 98/98 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1576ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 8 ms.
Support contains 1 out of 177 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 177/177 places, 532/532 transitions.
Applied a total of 0 rules in 15 ms. Remains 177 /177 variables (removed 0) and now considering 532/532 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 177/177 places, 532/532 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 177/177 places, 532/532 transitions.
Applied a total of 0 rules in 10 ms. Remains 177 /177 variables (removed 0) and now considering 532/532 (removed 0) transitions.
[2025-05-31 01:06:52] [INFO ] Flow matrix only has 521 transitions (discarded 11 similar events)
[2025-05-31 01:06:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 01:06:52] [INFO ] Implicit Places using invariants in 291 ms returned []
[2025-05-31 01:06:52] [INFO ] Flow matrix only has 521 transitions (discarded 11 similar events)
[2025-05-31 01:06:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 01:06:52] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-05-31 01:06:53] [INFO ] Implicit Places using invariants and state equation in 980 ms returned []
Implicit Place search using SMT with State Equation took 1274 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 01:06:53] [INFO ] Redundant transitions in 5 ms returned []
Running 524 sub problems to find dead transitions.
[2025-05-31 01:06:53] [INFO ] Flow matrix only has 521 transitions (discarded 11 similar events)
[2025-05-31 01:06:53] [INFO ] Invariant cache hit.
[2025-05-31 01:06:53] [INFO ] State equation strengthened by 98 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/176 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 524 unsolved
At refinement iteration 1 (OVERLAPS) 1/177 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 524 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:07:04] [INFO ] Deduced a trap composed of 25 places in 283 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:07:04] [INFO ] Deduced a trap composed of 42 places in 73 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:07:05] [INFO ] Deduced a trap composed of 35 places in 221 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:07:05] [INFO ] Deduced a trap composed of 35 places in 70 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:07:06] [INFO ] Deduced a trap composed of 16 places in 294 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:07:06] [INFO ] Deduced a trap composed of 17 places in 282 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:07:06] [INFO ] Deduced a trap composed of 35 places in 82 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:07:08] [INFO ] Deduced a trap composed of 122 places in 250 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:07:08] [INFO ] Deduced a trap composed of 131 places in 241 ms of which 24 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/177 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 524 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:07:12] [INFO ] Deduced a trap composed of 51 places in 302 ms of which 39 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/177 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 524 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 0.0)
(s2 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 177/698 variables, and 20 constraints, problems are : Problem set: 0 solved, 524 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 0/177 constraints, ReadFeed: 0/98 constraints, PredecessorRefiner: 524/524 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 524 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/176 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 524 unsolved
At refinement iteration 1 (OVERLAPS) 1/177 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 524 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/177 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 524 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/177 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 524 unsolved
At refinement iteration 4 (OVERLAPS) 521/698 variables, 177/197 constraints. Problems are: Problem set: 0 solved, 524 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/698 variables, 98/295 constraints. Problems are: Problem set: 0 solved, 524 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/698 variables, 524/819 constraints. Problems are: Problem set: 0 solved, 524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 698/698 variables, and 819 constraints, problems are : Problem set: 0 solved, 524 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 177/177 constraints, ReadFeed: 98/98 constraints, PredecessorRefiner: 524/524 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60489ms problems are : Problem set: 0 solved, 524 unsolved
Search for dead transitions found 0 dead transitions in 60490ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61787 ms. Remains : 177/177 places, 532/532 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 119 edges and 177 vertex of which 29 / 177 are part of one of the 4 SCC in 1 ms
Free SCC test removed 25 places
Drop transitions (Empty/Sink Transition effects.) removed 148 transitions
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 175 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 4 place count 149 transition count 354
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 149 transition count 354
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 0 with 15 rules applied. Total rules applied 22 place count 149 transition count 339
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 24 place count 148 transition count 338
Drop transitions (Redundant composition of simpler transitions.) removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 1 with 27 rules applied. Total rules applied 51 place count 148 transition count 311
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 1 with 6 rules applied. Total rules applied 57 place count 148 transition count 305
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 66 place count 142 transition count 302
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 66 place count 142 transition count 299
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 72 place count 139 transition count 299
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 74 place count 138 transition count 298
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 75 place count 138 transition count 297
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 77 place count 137 transition count 296
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 78 place count 136 transition count 258
Iterating global reduction 3 with 1 rules applied. Total rules applied 79 place count 136 transition count 258
Free-agglomeration rule applied 3 times.
Iterating global reduction 3 with 3 rules applied. Total rules applied 82 place count 136 transition count 255
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 85 place count 133 transition count 255
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 4 with 6 rules applied. Total rules applied 91 place count 133 transition count 249
Free-agglomeration rule applied 3 times.
Iterating global reduction 4 with 3 rules applied. Total rules applied 94 place count 133 transition count 246
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 97 place count 130 transition count 246
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 5 with 6 rules applied. Total rules applied 103 place count 130 transition count 246
Applied a total of 103 rules in 63 ms. Remains 130 /177 variables (removed 47) and now considering 246/532 (removed 286) transitions.
Running SMT prover for 1 properties.
[2025-05-31 01:07:54] [INFO ] Flow matrix only has 242 transitions (discarded 4 similar events)
// Phase 1: matrix 242 rows 130 cols
[2025-05-31 01:07:54] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 01:07:54] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2025-05-31 01:07:54] [INFO ] After 203ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 01:07:54] [INFO ] [Nat]Absence check using 10 positive place invariants in 7 ms returned sat
[2025-05-31 01:07:54] [INFO ] After 151ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 01:07:54] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-31 01:07:54] [INFO ] After 22ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:07:54] [INFO ] Deduced a trap composed of 28 places in 74 ms of which 5 ms to minimize.
[2025-05-31 01:07:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 104 ms
TRAPS : Iteration 1
[2025-05-31 01:07:54] [INFO ] After 168ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 01:07:54] [INFO ] After 409ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 682 ms.
RANDOM walk for 40000 steps (1298 resets) in 141 ms. (281 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (261 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 589048 steps, run timeout after 3001 ms. (steps per millisecond=196 ) properties seen :0 out of 1
Probabilistic random walk after 589048 steps, saw 190825 distinct states, run finished after 3001 ms. (steps per millisecond=196 ) properties seen :0
[2025-05-31 01:07:57] [INFO ] Flow matrix only has 542 transitions (discarded 11 similar events)
// Phase 1: matrix 542 rows 189 cols
[2025-05-31 01:07:57] [INFO ] Computed 10 invariants in 2 ms
[2025-05-31 01:07:57] [INFO ] State equation strengthened by 70 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:07:58] [INFO ] Deduced a trap composed of 20 places in 184 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:07:58] [INFO ] Deduced a trap composed of 36 places in 47 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 542/717 variables, 175/187 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/717 variables, 70/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/717 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 14/731 variables, 14/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/731 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/731 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 731/731 variables, and 271 constraints, problems are : Problem set: 0 solved, 1 unsolved in 673 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 189/189 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:07:58] [INFO ] Deduced a trap composed of 35 places in 93 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:07:58] [INFO ] Deduced a trap composed of 46 places in 63 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 542/717 variables, 175/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/717 variables, 70/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/717 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/717 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/731 variables, 14/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/731 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/731 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 731/731 variables, and 274 constraints, problems are : Problem set: 0 solved, 1 unsolved in 736 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 189/189 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1418ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 10 ms.
Support contains 1 out of 189 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 189/189 places, 553/553 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 184 transition count 545
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 184 transition count 545
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 183 transition count 539
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 183 transition count 539
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 182 transition count 537
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 182 transition count 537
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 181 transition count 534
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 181 transition count 534
Free-agglomeration rule applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 20 place count 181 transition count 530
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 24 place count 177 transition count 530
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 25 place count 176 transition count 529
Iterating global reduction 1 with 1 rules applied. Total rules applied 26 place count 176 transition count 529
Applied a total of 26 rules in 31 ms. Remains 176 /189 variables (removed 13) and now considering 529/553 (removed 24) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 176/189 places, 529/553 transitions.
RANDOM walk for 40000 steps (1318 resets) in 170 ms. (233 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (265 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 786041 steps, run timeout after 3001 ms. (steps per millisecond=261 ) properties seen :0 out of 1
Probabilistic random walk after 786041 steps, saw 217607 distinct states, run finished after 3001 ms. (steps per millisecond=261 ) properties seen :0
[2025-05-31 01:08:02] [INFO ] Flow matrix only has 518 transitions (discarded 11 similar events)
// Phase 1: matrix 518 rows 176 cols
[2025-05-31 01:08:02] [INFO ] Computed 10 invariants in 3 ms
[2025-05-31 01:08:02] [INFO ] State equation strengthened by 97 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 49/50 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/164 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:08:02] [INFO ] Deduced a trap composed of 25 places in 153 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:08:02] [INFO ] Deduced a trap composed of 35 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:08:02] [INFO ] Deduced a trap composed of 42 places in 64 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/164 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/164 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 518/682 variables, 164/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/682 variables, 97/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/682 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 12/694 variables, 12/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/694 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/694 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 694/694 variables, and 286 constraints, problems are : Problem set: 0 solved, 1 unsolved in 629 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 176/176 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 49/50 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/164 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/164 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:08:03] [INFO ] Deduced a trap composed of 17 places in 187 ms of which 30 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/164 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/164 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 518/682 variables, 164/178 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/682 variables, 97/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/682 variables, 1/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/682 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 12/694 variables, 12/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/694 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/694 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 694/694 variables, and 288 constraints, problems are : Problem set: 0 solved, 1 unsolved in 739 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 176/176 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1381ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 1 out of 176 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 176/176 places, 529/529 transitions.
Applied a total of 0 rules in 12 ms. Remains 176 /176 variables (removed 0) and now considering 529/529 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 176/176 places, 529/529 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 176/176 places, 529/529 transitions.
Applied a total of 0 rules in 11 ms. Remains 176 /176 variables (removed 0) and now considering 529/529 (removed 0) transitions.
[2025-05-31 01:08:03] [INFO ] Flow matrix only has 518 transitions (discarded 11 similar events)
[2025-05-31 01:08:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 01:08:04] [INFO ] Implicit Places using invariants in 326 ms returned []
[2025-05-31 01:08:04] [INFO ] Flow matrix only has 518 transitions (discarded 11 similar events)
[2025-05-31 01:08:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 01:08:04] [INFO ] State equation strengthened by 97 read => feed constraints.
[2025-05-31 01:08:04] [INFO ] Implicit Places using invariants and state equation in 777 ms returned []
Implicit Place search using SMT with State Equation took 1110 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 01:08:04] [INFO ] Redundant transitions in 6 ms returned []
Running 521 sub problems to find dead transitions.
[2025-05-31 01:08:04] [INFO ] Flow matrix only has 518 transitions (discarded 11 similar events)
[2025-05-31 01:08:04] [INFO ] Invariant cache hit.
[2025-05-31 01:08:04] [INFO ] State equation strengthened by 97 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/175 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 1 (OVERLAPS) 1/176 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 521 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:08:13] [INFO ] Deduced a trap composed of 25 places in 262 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:08:14] [INFO ] Deduced a trap composed of 42 places in 68 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:08:14] [INFO ] Deduced a trap composed of 35 places in 194 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:08:15] [INFO ] Deduced a trap composed of 35 places in 68 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:08:15] [INFO ] Deduced a trap composed of 16 places in 284 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:08:15] [INFO ] Deduced a trap composed of 17 places in 283 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:08:15] [INFO ] Deduced a trap composed of 35 places in 87 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:08:17] [INFO ] Deduced a trap composed of 122 places in 254 ms of which 24 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/176 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/176 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 4 (OVERLAPS) 518/694 variables, 176/194 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/694 variables, 97/291 constraints. Problems are: Problem set: 0 solved, 521 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 694/694 variables, and 291 constraints, problems are : Problem set: 0 solved, 521 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 176/176 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 521/521 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 521 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/175 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 1 (OVERLAPS) 1/176 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/176 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/176 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 4 (OVERLAPS) 518/694 variables, 176/194 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/694 variables, 97/291 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/694 variables, 521/812 constraints. Problems are: Problem set: 0 solved, 521 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 694/694 variables, and 812 constraints, problems are : Problem set: 0 solved, 521 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 176/176 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 521/521 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60306ms problems are : Problem set: 0 solved, 521 unsolved
Search for dead transitions found 0 dead transitions in 60308ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61446 ms. Remains : 176/176 places, 529/529 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 118 edges and 176 vertex of which 29 / 176 are part of one of the 4 SCC in 1 ms
Free SCC test removed 25 places
Drop transitions (Empty/Sink Transition effects.) removed 148 transitions
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 175 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 4 place count 148 transition count 351
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 148 transition count 351
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 0 with 15 rules applied. Total rules applied 22 place count 148 transition count 336
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 24 place count 147 transition count 335
Drop transitions (Redundant composition of simpler transitions.) removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 1 with 27 rules applied. Total rules applied 51 place count 147 transition count 308
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 1 with 6 rules applied. Total rules applied 57 place count 147 transition count 302
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 66 place count 141 transition count 299
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 66 place count 141 transition count 296
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 72 place count 138 transition count 296
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 74 place count 137 transition count 295
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 75 place count 137 transition count 294
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 77 place count 136 transition count 293
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 78 place count 135 transition count 256
Iterating global reduction 3 with 1 rules applied. Total rules applied 79 place count 135 transition count 256
Free-agglomeration rule applied 3 times.
Iterating global reduction 3 with 3 rules applied. Total rules applied 82 place count 135 transition count 253
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 85 place count 132 transition count 253
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 4 with 6 rules applied. Total rules applied 91 place count 132 transition count 247
Free-agglomeration rule applied 3 times.
Iterating global reduction 4 with 3 rules applied. Total rules applied 94 place count 132 transition count 244
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 97 place count 129 transition count 244
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 5 with 6 rules applied. Total rules applied 103 place count 129 transition count 244
Applied a total of 103 rules in 86 ms. Remains 129 /176 variables (removed 47) and now considering 244/529 (removed 285) transitions.
Running SMT prover for 1 properties.
[2025-05-31 01:09:05] [INFO ] Flow matrix only has 240 transitions (discarded 4 similar events)
// Phase 1: matrix 240 rows 129 cols
[2025-05-31 01:09:05] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 01:09:05] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2025-05-31 01:09:05] [INFO ] After 184ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 01:09:05] [INFO ] [Nat]Absence check using 10 positive place invariants in 5 ms returned sat
[2025-05-31 01:09:05] [INFO ] After 119ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 01:09:05] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-31 01:09:05] [INFO ] After 17ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:09:05] [INFO ] Deduced a trap composed of 12 places in 180 ms of which 18 ms to minimize.
[2025-05-31 01:09:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 207 ms
TRAPS : Iteration 1
[2025-05-31 01:09:05] [INFO ] After 257ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 01:09:06] [INFO ] After 450ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 727 ms.
RANDOM walk for 40000 steps (1302 resets) in 140 ms. (283 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (254 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 550372 steps, run timeout after 3001 ms. (steps per millisecond=183 ) properties seen :0 out of 1
Probabilistic random walk after 550372 steps, saw 183169 distinct states, run finished after 3001 ms. (steps per millisecond=183 ) properties seen :0
[2025-05-31 01:09:09] [INFO ] Flow matrix only has 542 transitions (discarded 11 similar events)
// Phase 1: matrix 542 rows 189 cols
[2025-05-31 01:09:09] [INFO ] Computed 10 invariants in 4 ms
[2025-05-31 01:09:09] [INFO ] State equation strengthened by 70 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:09:09] [INFO ] Deduced a trap composed of 20 places in 277 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:09:09] [INFO ] Deduced a trap composed of 36 places in 68 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 542/717 variables, 175/187 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/717 variables, 70/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/717 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 14/731 variables, 14/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/731 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/731 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 731/731 variables, and 271 constraints, problems are : Problem set: 0 solved, 1 unsolved in 797 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 189/189 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:09:10] [INFO ] Deduced a trap composed of 35 places in 101 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:09:10] [INFO ] Deduced a trap composed of 46 places in 66 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 542/717 variables, 175/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/717 variables, 70/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/717 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/717 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/731 variables, 14/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/731 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/731 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 731/731 variables, and 274 constraints, problems are : Problem set: 0 solved, 1 unsolved in 782 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 189/189 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1592ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 18 ms.
Support contains 1 out of 189 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 189/189 places, 553/553 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 184 transition count 545
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 184 transition count 545
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 183 transition count 539
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 183 transition count 539
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 182 transition count 537
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 182 transition count 537
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 181 transition count 534
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 181 transition count 534
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 180 transition count 532
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 180 transition count 532
Free-agglomeration rule applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 22 place count 180 transition count 528
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 26 place count 176 transition count 528
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 27 place count 175 transition count 527
Iterating global reduction 1 with 1 rules applied. Total rules applied 28 place count 175 transition count 527
Applied a total of 28 rules in 47 ms. Remains 175 /189 variables (removed 14) and now considering 527/553 (removed 26) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 175/189 places, 527/553 transitions.
RANDOM walk for 40000 steps (1337 resets) in 185 ms. (215 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (247 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 795202 steps, run timeout after 3001 ms. (steps per millisecond=264 ) properties seen :0 out of 1
Probabilistic random walk after 795202 steps, saw 220286 distinct states, run finished after 3001 ms. (steps per millisecond=264 ) properties seen :0
[2025-05-31 01:09:13] [INFO ] Flow matrix only has 516 transitions (discarded 11 similar events)
// Phase 1: matrix 516 rows 175 cols
[2025-05-31 01:09:13] [INFO ] Computed 10 invariants in 3 ms
[2025-05-31 01:09:13] [INFO ] State equation strengthened by 97 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 48/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/163 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:09:13] [INFO ] Deduced a trap composed of 35 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:09:14] [INFO ] Deduced a trap composed of 42 places in 57 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/163 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 516/679 variables, 163/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/679 variables, 97/272 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/679 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 12/691 variables, 12/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/691 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/691 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 691/691 variables, and 284 constraints, problems are : Problem set: 0 solved, 1 unsolved in 488 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 175/175 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 48/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/163 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:09:14] [INFO ] Deduced a trap composed of 16 places in 210 ms of which 18 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/163 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/163 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 516/679 variables, 163/176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/679 variables, 97/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/679 variables, 1/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/679 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 12/691 variables, 12/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/691 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/691 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 691/691 variables, and 286 constraints, problems are : Problem set: 0 solved, 1 unsolved in 759 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 175/175 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1254ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 9 ms.
Support contains 1 out of 175 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 175/175 places, 527/527 transitions.
Applied a total of 0 rules in 11 ms. Remains 175 /175 variables (removed 0) and now considering 527/527 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 175/175 places, 527/527 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 175/175 places, 527/527 transitions.
Applied a total of 0 rules in 10 ms. Remains 175 /175 variables (removed 0) and now considering 527/527 (removed 0) transitions.
[2025-05-31 01:09:15] [INFO ] Flow matrix only has 516 transitions (discarded 11 similar events)
[2025-05-31 01:09:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 01:09:15] [INFO ] Implicit Places using invariants in 325 ms returned []
[2025-05-31 01:09:15] [INFO ] Flow matrix only has 516 transitions (discarded 11 similar events)
[2025-05-31 01:09:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 01:09:15] [INFO ] State equation strengthened by 97 read => feed constraints.
[2025-05-31 01:09:16] [INFO ] Implicit Places using invariants and state equation in 827 ms returned []
Implicit Place search using SMT with State Equation took 1154 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 01:09:16] [INFO ] Redundant transitions in 6 ms returned []
Running 519 sub problems to find dead transitions.
[2025-05-31 01:09:16] [INFO ] Flow matrix only has 516 transitions (discarded 11 similar events)
[2025-05-31 01:09:16] [INFO ] Invariant cache hit.
[2025-05-31 01:09:16] [INFO ] State equation strengthened by 97 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/174 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 519 unsolved
At refinement iteration 1 (OVERLAPS) 1/175 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 519 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:09:25] [INFO ] Deduced a trap composed of 25 places in 272 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:09:26] [INFO ] Deduced a trap composed of 42 places in 80 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:09:26] [INFO ] Deduced a trap composed of 35 places in 212 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:09:27] [INFO ] Deduced a trap composed of 35 places in 76 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:09:27] [INFO ] Deduced a trap composed of 16 places in 290 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:09:27] [INFO ] Deduced a trap composed of 17 places in 276 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:09:27] [INFO ] Deduced a trap composed of 35 places in 76 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:09:29] [INFO ] Deduced a trap composed of 122 places in 254 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:09:29] [INFO ] Deduced a trap composed of 129 places in 260 ms of which 24 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/175 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 519 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:09:33] [INFO ] Deduced a trap composed of 50 places in 287 ms of which 34 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/175 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 519 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 175/691 variables, and 20 constraints, problems are : Problem set: 0 solved, 519 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 0/175 constraints, ReadFeed: 0/97 constraints, PredecessorRefiner: 519/519 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 519 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/174 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 519 unsolved
At refinement iteration 1 (OVERLAPS) 1/175 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 519 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/175 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 519 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/175 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 519 unsolved
At refinement iteration 4 (OVERLAPS) 516/691 variables, 175/195 constraints. Problems are: Problem set: 0 solved, 519 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/691 variables, 97/292 constraints. Problems are: Problem set: 0 solved, 519 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/691 variables, 519/811 constraints. Problems are: Problem set: 0 solved, 519 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 691/691 variables, and 811 constraints, problems are : Problem set: 0 solved, 519 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 175/175 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 519/519 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60308ms problems are : Problem set: 0 solved, 519 unsolved
Search for dead transitions found 0 dead transitions in 60311ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61489 ms. Remains : 175/175 places, 527/527 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 118 edges and 175 vertex of which 29 / 175 are part of one of the 4 SCC in 1 ms
Free SCC test removed 25 places
Drop transitions (Empty/Sink Transition effects.) removed 148 transitions
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 175 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 4 place count 147 transition count 349
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 147 transition count 349
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 0 with 15 rules applied. Total rules applied 22 place count 147 transition count 334
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 24 place count 146 transition count 333
Drop transitions (Redundant composition of simpler transitions.) removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 1 with 27 rules applied. Total rules applied 51 place count 146 transition count 306
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 1 with 6 rules applied. Total rules applied 57 place count 146 transition count 300
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 66 place count 140 transition count 297
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 66 place count 140 transition count 294
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 72 place count 137 transition count 294
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 74 place count 136 transition count 293
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 75 place count 136 transition count 292
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 77 place count 135 transition count 291
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 78 place count 134 transition count 254
Iterating global reduction 3 with 1 rules applied. Total rules applied 79 place count 134 transition count 254
Free-agglomeration rule applied 3 times.
Iterating global reduction 3 with 3 rules applied. Total rules applied 82 place count 134 transition count 251
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 85 place count 131 transition count 251
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 4 with 6 rules applied. Total rules applied 91 place count 131 transition count 245
Free-agglomeration rule applied 3 times.
Iterating global reduction 4 with 3 rules applied. Total rules applied 94 place count 131 transition count 242
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 97 place count 128 transition count 242
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 5 with 6 rules applied. Total rules applied 103 place count 128 transition count 242
Applied a total of 103 rules in 64 ms. Remains 128 /175 variables (removed 47) and now considering 242/527 (removed 285) transitions.
Running SMT prover for 1 properties.
[2025-05-31 01:10:16] [INFO ] Flow matrix only has 238 transitions (discarded 4 similar events)
// Phase 1: matrix 238 rows 128 cols
[2025-05-31 01:10:16] [INFO ] Computed 10 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 01:10:16] [INFO ] [Real]Absence check using 10 positive place invariants in 5 ms returned sat
[2025-05-31 01:10:16] [INFO ] After 182ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 01:10:16] [INFO ] [Nat]Absence check using 10 positive place invariants in 5 ms returned sat
[2025-05-31 01:10:17] [INFO ] After 123ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 01:10:17] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-31 01:10:17] [INFO ] After 18ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:10:17] [INFO ] Deduced a trap composed of 28 places in 65 ms of which 5 ms to minimize.
[2025-05-31 01:10:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 91 ms
TRAPS : Iteration 1
[2025-05-31 01:10:17] [INFO ] After 143ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 01:10:17] [INFO ] After 336ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 592 ms.
RANDOM walk for 40000 steps (1314 resets) in 142 ms. (279 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (259 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 631260 steps, run timeout after 3001 ms. (steps per millisecond=210 ) properties seen :0 out of 1
Probabilistic random walk after 631260 steps, saw 204984 distinct states, run finished after 3001 ms. (steps per millisecond=210 ) properties seen :0
[2025-05-31 01:10:20] [INFO ] Flow matrix only has 542 transitions (discarded 11 similar events)
// Phase 1: matrix 542 rows 189 cols
[2025-05-31 01:10:20] [INFO ] Computed 10 invariants in 2 ms
[2025-05-31 01:10:20] [INFO ] State equation strengthened by 70 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:10:20] [INFO ] Deduced a trap composed of 20 places in 190 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:10:20] [INFO ] Deduced a trap composed of 36 places in 56 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 542/717 variables, 175/187 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/717 variables, 70/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/717 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 14/731 variables, 14/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/731 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/731 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 731/731 variables, and 271 constraints, problems are : Problem set: 0 solved, 1 unsolved in 685 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 189/189 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:10:21] [INFO ] Deduced a trap composed of 35 places in 110 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:10:21] [INFO ] Deduced a trap composed of 46 places in 61 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 542/717 variables, 175/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/717 variables, 70/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/717 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/717 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/731 variables, 14/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/731 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/731 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 731/731 variables, and 274 constraints, problems are : Problem set: 0 solved, 1 unsolved in 663 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 189/189 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1357ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 15 ms.
Support contains 1 out of 189 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 189/189 places, 553/553 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 184 transition count 545
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 184 transition count 545
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 183 transition count 539
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 183 transition count 539
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 182 transition count 537
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 182 transition count 537
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 181 transition count 534
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 181 transition count 534
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 180 transition count 532
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 180 transition count 532
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 179 transition count 529
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 179 transition count 529
Free-agglomeration rule applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 24 place count 179 transition count 525
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 28 place count 175 transition count 525
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 29 place count 174 transition count 524
Iterating global reduction 1 with 1 rules applied. Total rules applied 30 place count 174 transition count 524
Applied a total of 30 rules in 45 ms. Remains 174 /189 variables (removed 15) and now considering 524/553 (removed 29) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 174/189 places, 524/553 transitions.
RANDOM walk for 40000 steps (1328 resets) in 236 ms. (168 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (260 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 756692 steps, run timeout after 3001 ms. (steps per millisecond=252 ) properties seen :0 out of 1
Probabilistic random walk after 756692 steps, saw 208926 distinct states, run finished after 3001 ms. (steps per millisecond=252 ) properties seen :0
[2025-05-31 01:10:24] [INFO ] Flow matrix only has 513 transitions (discarded 11 similar events)
// Phase 1: matrix 513 rows 174 cols
[2025-05-31 01:10:24] [INFO ] Computed 10 invariants in 1 ms
[2025-05-31 01:10:24] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/162 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:10:24] [INFO ] Deduced a trap composed of 35 places in 48 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 513/675 variables, 162/173 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/675 variables, 96/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/675 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 12/687 variables, 12/281 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/687 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/687 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 687/687 variables, and 281 constraints, problems are : Problem set: 0 solved, 1 unsolved in 408 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 174/174 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/162 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:10:25] [INFO ] Deduced a trap composed of 42 places in 45 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 513/675 variables, 162/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/675 variables, 96/270 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/675 variables, 1/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/675 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 12/687 variables, 12/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/687 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/687 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 687/687 variables, and 283 constraints, problems are : Problem set: 0 solved, 1 unsolved in 470 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 174/174 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 886ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 11 ms.
Support contains 1 out of 174 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 174/174 places, 524/524 transitions.
Applied a total of 0 rules in 9 ms. Remains 174 /174 variables (removed 0) and now considering 524/524 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 174/174 places, 524/524 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 174/174 places, 524/524 transitions.
Applied a total of 0 rules in 9 ms. Remains 174 /174 variables (removed 0) and now considering 524/524 (removed 0) transitions.
[2025-05-31 01:10:25] [INFO ] Flow matrix only has 513 transitions (discarded 11 similar events)
[2025-05-31 01:10:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 01:10:25] [INFO ] Implicit Places using invariants in 307 ms returned []
[2025-05-31 01:10:25] [INFO ] Flow matrix only has 513 transitions (discarded 11 similar events)
[2025-05-31 01:10:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 01:10:26] [INFO ] State equation strengthened by 96 read => feed constraints.
[2025-05-31 01:10:27] [INFO ] Implicit Places using invariants and state equation in 1078 ms returned []
Implicit Place search using SMT with State Equation took 1389 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 01:10:27] [INFO ] Redundant transitions in 9 ms returned []
Running 516 sub problems to find dead transitions.
[2025-05-31 01:10:27] [INFO ] Flow matrix only has 513 transitions (discarded 11 similar events)
[2025-05-31 01:10:27] [INFO ] Invariant cache hit.
[2025-05-31 01:10:27] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/173 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 516 unsolved
At refinement iteration 1 (OVERLAPS) 1/174 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 516 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:10:37] [INFO ] Deduced a trap composed of 25 places in 273 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:10:37] [INFO ] Deduced a trap composed of 42 places in 65 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:10:38] [INFO ] Deduced a trap composed of 35 places in 215 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:10:38] [INFO ] Deduced a trap composed of 35 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:10:39] [INFO ] Deduced a trap composed of 16 places in 291 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:10:39] [INFO ] Deduced a trap composed of 17 places in 276 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:10:39] [INFO ] Deduced a trap composed of 35 places in 70 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 01:10:40] [INFO ] Deduced a trap composed of 122 places in 237 ms of which 23 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/174 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 516 unsolved

BK_TIME_CONFINEMENT_REACHED

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FireWire-PT-20"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is FireWire-PT-20, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r091-smll-174860108100247"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-20.tgz
mv FireWire-PT-20 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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