About the Execution of 2024-gold for EisenbergMcGuire-PT-10
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 15690.930 | 1800000.00 | 4759531.00 | 2109.60 | [undef] | Time out reached |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r084-tall-174860080800508.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 gold2024
Input is EisenbergMcGuire-PT-10, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r084-tall-174860080800508
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.6M
-rw-r--r-- 1 mcc users 8.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 156K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.2K 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 3.1M 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 StableMarking
=== Now, execution of the tool begins
BK_START 1748744828810
Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=EisenbergMcGuire-PT-10
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-01 02:27:10] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -timeout, 180, -rebuildPNML]
[2025-06-01 02:27:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 02:27:10] [INFO ] Load time of PNML (sax parser for PT used): 259 ms
[2025-06-01 02:27:10] [INFO ] Transformed 1090 places.
[2025-06-01 02:27:10] [INFO ] Transformed 5200 transitions.
[2025-06-01 02:27:10] [INFO ] Found NUPN structural information;
[2025-06-01 02:27:10] [INFO ] Parsed PT model containing 1090 places and 5200 transitions and 25400 arcs in 537 ms.
RANDOM walk for 40000 steps (8 resets) in 2658 ms. (15 steps per ms) remains 366/1090 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 366/366 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 366/366 properties
[2025-06-01 02:27:11] [INFO ] Flow matrix only has 2330 transitions (discarded 2870 similar events)
// Phase 1: matrix 2330 rows 1090 cols
[2025-06-01 02:27:12] [INFO ] Computed 31 invariants in 40 ms
[2025-06-01 02:27:12] [INFO ] State equation strengthened by 1246 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/366 variables, 366/366 constraints. Problems are: Problem set: 0 solved, 366 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 366/3420 variables, and 366 constraints, problems are : Problem set: 0 solved, 366 unsolved in 5246 ms.
Refiners :[Domain max(s): 366/1090 constraints, Positive P Invariants (semi-flows): 0/21 constraints, Generalized P Invariants (flows): 0/10 constraints, State Equation: 0/1090 constraints, ReadFeed: 0/1246 constraints, PredecessorRefiner: 366/366 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 366 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/366 variables, 366/366 constraints. Problems are: Problem set: 0 solved, 366 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/366 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 366 unsolved
At refinement iteration 2 (OVERLAPS) 694/1060 variables, 20/386 constraints. Problems are: Problem set: 0 solved, 366 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1060 variables, 694/1080 constraints. Problems are: Problem set: 0 solved, 366 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1060/3420 variables, and 1080 constraints, problems are : Problem set: 0 solved, 366 unsolved in 5014 ms.
Refiners :[Domain max(s): 1060/1090 constraints, Positive P Invariants (semi-flows): 20/21 constraints, Generalized P Invariants (flows): 0/10 constraints, State Equation: 0/1090 constraints, ReadFeed: 0/1246 constraints, PredecessorRefiner: 0/366 constraints, Known Traps: 0/0 constraints]
After SMT, in 10598ms problems are : Problem set: 0 solved, 366 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 366 out of 1090 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1090/1090 places, 5200/5200 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 1090 transition count 5190
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 20 place count 1080 transition count 5190
Performed 220 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 220 Pre rules applied. Total rules applied 20 place count 1080 transition count 4970
Deduced a syphon composed of 220 places in 5 ms
Reduce places removed 220 places and 0 transitions.
Iterating global reduction 2 with 440 rules applied. Total rules applied 460 place count 860 transition count 4970
Discarding 90 places :
Symmetric choice reduction at 2 with 90 rule applications. Total rules 550 place count 770 transition count 4070
Iterating global reduction 2 with 90 rules applied. Total rules applied 640 place count 770 transition count 4070
Performed 82 Post agglomeration using F-continuation condition.Transition count delta: 82
Deduced a syphon composed of 82 places in 10 ms
Reduce places removed 82 places and 0 transitions.
Iterating global reduction 2 with 164 rules applied. Total rules applied 804 place count 688 transition count 3988
Applied a total of 804 rules in 567 ms. Remains 688 /1090 variables (removed 402) and now considering 3988/5200 (removed 1212) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 585 ms. Remains : 688/1090 places, 3988/5200 transitions.
RANDOM walk for 4000000 steps (8 resets) in 92022 ms. (43 steps per ms) remains 349/366 properties
BEST_FIRST walk for 40004 steps (8 resets) in 113 ms. (350 steps per ms) remains 348/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 107 ms. (370 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 106 ms. (373 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 105 ms. (377 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 126 ms. (314 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 152 ms. (261 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 347/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 106 ms. (373 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 104 ms. (380 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 107 ms. (370 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 106 ms. (373 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 104 ms. (380 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 346/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 107 ms. (370 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 104 ms. (380 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 104 ms. (380 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 104 ms. (380 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 104 ms. (380 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 346/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 345/346 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 105 ms. (377 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 107 ms. (370 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 134 ms. (296 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 105 ms. (377 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 345/345 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 345/345 properties
Interrupted probabilistic random walk after 5033281 steps, run timeout after 81001 ms. (steps per millisecond=62 ) properties seen :323 out of 345
Probabilistic random walk after 5033281 steps, saw 2708096 distinct states, run finished after 81023 ms. (steps per millisecond=62 ) properties seen :323
[2025-06-01 02:29:11] [INFO ] Flow matrix only has 1118 transitions (discarded 2870 similar events)
// Phase 1: matrix 1118 rows 688 cols
[2025-06-01 02:29:12] [INFO ] Computed 31 invariants in 8 ms
[2025-06-01 02:29:12] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 571/593 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/593 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 18/611 variables, 9/27 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/611 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 1007/1618 variables, 611/638 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1618 variables, 234/872 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1618 variables, 0/872 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (OVERLAPS) 28/1646 variables, 10/882 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1646 variables, 1/883 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1646 variables, 106/989 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1646 variables, 0/989 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 12 (OVERLAPS) 26/1672 variables, 12/1001 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1672 variables, 12/1013 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1672 variables, 0/1013 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 15 (OVERLAPS) 53/1725 variables, 2/1015 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1725 variables, 0/1015 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 17 (OVERLAPS) 2/1727 variables, 1/1016 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1727 variables, 0/1016 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 19 (OVERLAPS) 79/1806 variables, 55/1071 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1806 variables, 84/1155 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1806 variables, 0/1155 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 22 (OVERLAPS) 0/1806 variables, 0/1155 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1806/1806 variables, and 1155 constraints, problems are : Problem set: 0 solved, 22 unsolved in 6139 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 688/688 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 571/593 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/593 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 18/611 variables, 9/27 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2025-06-01 02:29:19] [INFO ] Deduced a trap composed of 3 places in 482 ms of which 64 ms to minimize.
[2025-06-01 02:29:19] [INFO ] Deduced a trap composed of 3 places in 462 ms of which 6 ms to minimize.
[2025-06-01 02:29:20] [INFO ] Deduced a trap composed of 3 places in 389 ms of which 5 ms to minimize.
[2025-06-01 02:29:20] [INFO ] Deduced a trap composed of 43 places in 297 ms of which 3 ms to minimize.
[2025-06-01 02:29:20] [INFO ] Deduced a trap composed of 3 places in 279 ms of which 3 ms to minimize.
[2025-06-01 02:29:21] [INFO ] Deduced a trap composed of 3 places in 251 ms of which 3 ms to minimize.
[2025-06-01 02:29:21] [INFO ] Deduced a trap composed of 25 places in 285 ms of which 3 ms to minimize.
[2025-06-01 02:29:21] [INFO ] Deduced a trap composed of 35 places in 227 ms of which 4 ms to minimize.
[2025-06-01 02:29:21] [INFO ] Deduced a trap composed of 15 places in 238 ms of which 2 ms to minimize.
[2025-06-01 02:29:22] [INFO ] Deduced a trap composed of 11 places in 227 ms of which 3 ms to minimize.
[2025-06-01 02:29:22] [INFO ] Deduced a trap composed of 27 places in 204 ms of which 2 ms to minimize.
[2025-06-01 02:29:22] [INFO ] Deduced a trap composed of 16 places in 193 ms of which 3 ms to minimize.
[2025-06-01 02:29:22] [INFO ] Deduced a trap composed of 3 places in 42 ms of which 0 ms to minimize.
[2025-06-01 02:29:22] [INFO ] Deduced a trap composed of 13 places in 204 ms of which 2 ms to minimize.
[2025-06-01 02:29:23] [INFO ] Deduced a trap composed of 17 places in 163 ms of which 2 ms to minimize.
[2025-06-01 02:29:23] [INFO ] Deduced a trap composed of 3 places in 74 ms of which 0 ms to minimize.
[2025-06-01 02:29:23] [INFO ] Deduced a trap composed of 19 places in 125 ms of which 1 ms to minimize.
[2025-06-01 02:29:23] [INFO ] Deduced a trap composed of 23 places in 130 ms of which 3 ms to minimize.
[2025-06-01 02:29:23] [INFO ] Deduced a trap composed of 15 places in 168 ms of which 2 ms to minimize.
[2025-06-01 02:29:23] [INFO ] Deduced a trap composed of 58 places in 124 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/611 variables, 20/47 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2025-06-01 02:29:24] [INFO ] Deduced a trap composed of 56 places in 88 ms of which 1 ms to minimize.
[2025-06-01 02:29:24] [INFO ] Deduced a trap composed of 33 places in 95 ms of which 1 ms to minimize.
[2025-06-01 02:29:24] [INFO ] Deduced a trap composed of 31 places in 118 ms of which 1 ms to minimize.
[2025-06-01 02:29:24] [INFO ] Deduced a trap composed of 54 places in 83 ms of which 1 ms to minimize.
[2025-06-01 02:29:24] [INFO ] Deduced a trap composed of 27 places in 85 ms of which 1 ms to minimize.
[2025-06-01 02:29:24] [INFO ] Deduced a trap composed of 54 places in 85 ms of which 1 ms to minimize.
[2025-06-01 02:29:24] [INFO ] Deduced a trap composed of 29 places in 84 ms of which 2 ms to minimize.
[2025-06-01 02:29:24] [INFO ] Deduced a trap composed of 58 places in 122 ms of which 2 ms to minimize.
[2025-06-01 02:29:25] [INFO ] Deduced a trap composed of 61 places in 88 ms of which 1 ms to minimize.
[2025-06-01 02:29:25] [INFO ] Deduced a trap composed of 21 places in 171 ms of which 1 ms to minimize.
[2025-06-01 02:29:25] [INFO ] Deduced a trap composed of 52 places in 128 ms of which 1 ms to minimize.
[2025-06-01 02:29:25] [INFO ] Deduced a trap composed of 57 places in 91 ms of which 1 ms to minimize.
[2025-06-01 02:29:25] [INFO ] Deduced a trap composed of 23 places in 161 ms of which 2 ms to minimize.
[2025-06-01 02:29:25] [INFO ] Deduced a trap composed of 51 places in 127 ms of which 1 ms to minimize.
[2025-06-01 02:29:25] [INFO ] Deduced a trap composed of 56 places in 87 ms of which 1 ms to minimize.
[2025-06-01 02:29:26] [INFO ] Deduced a trap composed of 25 places in 160 ms of which 2 ms to minimize.
[2025-06-01 02:29:26] [INFO ] Deduced a trap composed of 55 places in 121 ms of which 2 ms to minimize.
[2025-06-01 02:29:26] [INFO ] Deduced a trap composed of 58 places in 89 ms of which 1 ms to minimize.
[2025-06-01 02:29:26] [INFO ] Deduced a trap composed of 48 places in 84 ms of which 1 ms to minimize.
[2025-06-01 02:29:26] [INFO ] Deduced a trap composed of 17 places in 158 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/611 variables, 20/67 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2025-06-01 02:29:26] [INFO ] Deduced a trap composed of 3 places in 65 ms of which 1 ms to minimize.
[2025-06-01 02:29:27] [INFO ] Deduced a trap composed of 19 places in 132 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/611 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/611 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (OVERLAPS) 1007/1618 variables, 611/680 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1618 variables, 234/914 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2025-06-01 02:29:29] [INFO ] Deduced a trap composed of 3 places in 65 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/1618 variables, 1/915 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2025-06-01 02:29:30] [INFO ] Deduced a trap composed of 21 places in 137 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/1618 variables, 1/916 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2025-06-01 02:29:32] [INFO ] Deduced a trap composed of 25 places in 87 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/1618 variables, 1/917 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1618 variables, 0/917 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 14 (OVERLAPS) 28/1646 variables, 10/927 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1646 variables, 1/928 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1646 variables, 106/1034 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1646 variables, 12/1046 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2025-06-01 02:29:35] [INFO ] Deduced a trap composed of 27 places in 127 ms of which 1 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/1646 variables, 1/1047 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1646 variables, 0/1047 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 20 (OVERLAPS) 26/1672 variables, 12/1059 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1672 variables, 12/1071 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2025-06-01 02:29:39] [INFO ] Deduced a trap composed of 19 places in 85 ms of which 1 ms to minimize.
[2025-06-01 02:29:39] [INFO ] Deduced a trap composed of 21 places in 97 ms of which 1 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1672 variables, 2/1073 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1672 variables, 0/1073 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 24 (OVERLAPS) 53/1725 variables, 2/1075 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1725 variables, 0/1075 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 26 (OVERLAPS) 2/1727 variables, 1/1076 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1727 variables, 10/1086 constraints. Problems are: Problem set: 0 solved, 22 unsolved
[2025-06-01 02:29:45] [INFO ] Deduced a trap composed of 3 places in 406 ms of which 4 ms to minimize.
At refinement iteration 28 (INCLUDED_ONLY) 0/1727 variables, 1/1087 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/1727 variables, 0/1087 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 30 (OVERLAPS) 79/1806 variables, 55/1142 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 31 (INCLUDED_ONLY) 0/1806 variables, 84/1226 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/1806 variables, 0/1226 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 33 (OVERLAPS) 0/1806 variables, 0/1226 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1806/1806 variables, and 1226 constraints, problems are : Problem set: 0 solved, 22 unsolved in 33286 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 688/688 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 49/49 constraints]
After SMT, in 39486ms problems are : Problem set: 0 solved, 22 unsolved
Fused 22 Parikh solutions to 21 different solutions.
Parikh walk visited 5 properties in 2857 ms.
Support contains 17 out of 688 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 688/688 places, 3988/3988 transitions.
Performed 90 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 90 Pre rules applied. Total rules applied 0 place count 688 transition count 3898
Deduced a syphon composed of 90 places in 10 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 0 with 180 rules applied. Total rules applied 180 place count 598 transition count 3898
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 10 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 196 place count 590 transition count 3890
Applied a total of 196 rules in 221 ms. Remains 590 /688 variables (removed 98) and now considering 3890/3988 (removed 98) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 222 ms. Remains : 590/688 places, 3890/3988 transitions.
RANDOM walk for 4000000 steps (8 resets) in 28427 ms. (140 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 396 ms. (1007 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 577 ms. (692 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 576 ms. (693 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 383 ms. (1041 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 388 ms. (1028 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 390 ms. (1023 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 383 ms. (1041 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 390 ms. (1023 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 382 ms. (1044 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 392 ms. (1017 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 390 ms. (1023 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 379 ms. (1052 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 392 ms. (1017 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 378 ms. (1055 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 387 ms. (1030 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 385 ms. (1036 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 385 ms. (1036 steps per ms) remains 17/17 properties
Interrupted probabilistic random walk after 1714647 steps, run timeout after 27001 ms. (steps per millisecond=63 ) properties seen :0 out of 17
Probabilistic random walk after 1714647 steps, saw 1017888 distinct states, run finished after 27002 ms. (steps per millisecond=63 ) properties seen :0
[2025-06-01 02:30:31] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
// Phase 1: matrix 1020 rows 590 cols
[2025-06-01 02:30:31] [INFO ] Computed 31 invariants in 6 ms
[2025-06-01 02:30:31] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/17 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 375/392 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 14/406 variables, 7/21 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/406 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 714/1120 variables, 406/427 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1120 variables, 140/567 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1120 variables, 0/567 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 64/1184 variables, 10/577 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1184 variables, 1/578 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1184 variables, 82/660 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1184 variables, 0/660 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 12 (OVERLAPS) 78/1262 variables, 36/696 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1262 variables, 30/726 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1262 variables, 0/726 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 15 (OVERLAPS) 132/1394 variables, 6/732 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1394 variables, 0/732 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 17 (OVERLAPS) 6/1400 variables, 3/735 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1400 variables, 0/735 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 19 (OVERLAPS) 210/1610 variables, 138/873 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 184/1057 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 17 unsolved in 3242 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/17 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 375/392 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 14/406 variables, 7/21 constraints. Problems are: Problem set: 0 solved, 17 unsolved
[2025-06-01 02:30:35] [INFO ] Deduced a trap composed of 3 places in 252 ms of which 3 ms to minimize.
[2025-06-01 02:30:35] [INFO ] Deduced a trap composed of 3 places in 250 ms of which 3 ms to minimize.
[2025-06-01 02:30:35] [INFO ] Deduced a trap composed of 29 places in 215 ms of which 3 ms to minimize.
[2025-06-01 02:30:36] [INFO ] Deduced a trap composed of 30 places in 211 ms of which 3 ms to minimize.
[2025-06-01 02:30:36] [INFO ] Deduced a trap composed of 19 places in 207 ms of which 2 ms to minimize.
[2025-06-01 02:30:36] [INFO ] Deduced a trap composed of 62 places in 192 ms of which 1 ms to minimize.
[2025-06-01 02:30:36] [INFO ] Deduced a trap composed of 72 places in 172 ms of which 1 ms to minimize.
[2025-06-01 02:30:36] [INFO ] Deduced a trap composed of 46 places in 178 ms of which 6 ms to minimize.
[2025-06-01 02:30:37] [INFO ] Deduced a trap composed of 53 places in 177 ms of which 2 ms to minimize.
[2025-06-01 02:30:37] [INFO ] Deduced a trap composed of 17 places in 144 ms of which 1 ms to minimize.
[2025-06-01 02:30:37] [INFO ] Deduced a trap composed of 49 places in 182 ms of which 2 ms to minimize.
[2025-06-01 02:30:37] [INFO ] Deduced a trap composed of 33 places in 148 ms of which 2 ms to minimize.
[2025-06-01 02:30:37] [INFO ] Deduced a trap composed of 45 places in 142 ms of which 2 ms to minimize.
[2025-06-01 02:30:37] [INFO ] Deduced a trap composed of 11 places in 109 ms of which 2 ms to minimize.
[2025-06-01 02:30:37] [INFO ] Deduced a trap composed of 13 places in 115 ms of which 1 ms to minimize.
[2025-06-01 02:30:38] [INFO ] Deduced a trap composed of 53 places in 177 ms of which 2 ms to minimize.
[2025-06-01 02:30:38] [INFO ] Deduced a trap composed of 27 places in 178 ms of which 2 ms to minimize.
[2025-06-01 02:30:38] [INFO ] Deduced a trap composed of 23 places in 176 ms of which 2 ms to minimize.
[2025-06-01 02:30:38] [INFO ] Deduced a trap composed of 15 places in 175 ms of which 2 ms to minimize.
[2025-06-01 02:30:38] [INFO ] Deduced a trap composed of 43 places in 141 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/406 variables, 20/41 constraints. Problems are: Problem set: 0 solved, 17 unsolved
[2025-06-01 02:30:39] [INFO ] Deduced a trap composed of 53 places in 183 ms of which 2 ms to minimize.
[2025-06-01 02:30:39] [INFO ] Deduced a trap composed of 21 places in 146 ms of which 2 ms to minimize.
[2025-06-01 02:30:39] [INFO ] Deduced a trap composed of 13 places in 139 ms of which 2 ms to minimize.
[2025-06-01 02:30:39] [INFO ] Deduced a trap composed of 17 places in 113 ms of which 2 ms to minimize.
[2025-06-01 02:30:39] [INFO ] Deduced a trap composed of 3 places in 82 ms of which 1 ms to minimize.
[2025-06-01 02:30:39] [INFO ] Deduced a trap composed of 3 places in 56 ms of which 1 ms to minimize.
[2025-06-01 02:30:39] [INFO ] Deduced a trap composed of 3 places in 216 ms of which 2 ms to minimize.
[2025-06-01 02:30:40] [INFO ] Deduced a trap composed of 51 places in 188 ms of which 1 ms to minimize.
[2025-06-01 02:30:40] [INFO ] Deduced a trap composed of 32 places in 143 ms of which 2 ms to minimize.
[2025-06-01 02:30:40] [INFO ] Deduced a trap composed of 3 places in 85 ms of which 1 ms to minimize.
[2025-06-01 02:30:40] [INFO ] Deduced a trap composed of 27 places in 172 ms of which 1 ms to minimize.
[2025-06-01 02:30:40] [INFO ] Deduced a trap composed of 15 places in 178 ms of which 2 ms to minimize.
[2025-06-01 02:30:40] [INFO ] Deduced a trap composed of 53 places in 87 ms of which 0 ms to minimize.
[2025-06-01 02:30:40] [INFO ] Deduced a trap composed of 53 places in 80 ms of which 1 ms to minimize.
[2025-06-01 02:30:41] [INFO ] Deduced a trap composed of 19 places in 110 ms of which 2 ms to minimize.
[2025-06-01 02:30:41] [INFO ] Deduced a trap composed of 31 places in 75 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/406 variables, 16/57 constraints. Problems are: Problem set: 0 solved, 17 unsolved
[2025-06-01 02:30:41] [INFO ] Deduced a trap composed of 51 places in 80 ms of which 1 ms to minimize.
[2025-06-01 02:30:41] [INFO ] Deduced a trap composed of 51 places in 80 ms of which 0 ms to minimize.
[2025-06-01 02:30:41] [INFO ] Deduced a trap composed of 51 places in 81 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/406 variables, 3/60 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/406 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 714/1120 variables, 406/466 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1120 variables, 140/606 constraints. Problems are: Problem set: 0 solved, 17 unsolved
[2025-06-01 02:30:42] [INFO ] Deduced a trap composed of 25 places in 76 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/1120 variables, 1/607 constraints. Problems are: Problem set: 0 solved, 17 unsolved
[2025-06-01 02:30:43] [INFO ] Deduced a trap composed of 23 places in 76 ms of which 1 ms to minimize.
[2025-06-01 02:30:43] [INFO ] Deduced a trap composed of 21 places in 78 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/1120 variables, 2/609 constraints. Problems are: Problem set: 0 solved, 17 unsolved
[2025-06-01 02:30:44] [INFO ] Deduced a trap composed of 25 places in 84 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/1120 variables, 1/610 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1120 variables, 0/610 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 14 (OVERLAPS) 64/1184 variables, 10/620 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1184 variables, 1/621 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1184 variables, 82/703 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1184 variables, 11/714 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1184 variables, 0/714 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 19 (OVERLAPS) 78/1262 variables, 36/750 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1262 variables, 30/780 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1262 variables, 0/780 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 22 (OVERLAPS) 132/1394 variables, 6/786 constraints. Problems are: Problem set: 0 solved, 17 unsolved
[2025-06-01 02:30:47] [INFO ] Deduced a trap composed of 73 places in 272 ms of which 2 ms to minimize.
[2025-06-01 02:30:48] [INFO ] Deduced a trap composed of 91 places in 317 ms of which 3 ms to minimize.
[2025-06-01 02:30:48] [INFO ] Deduced a trap composed of 54 places in 338 ms of which 3 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1394 variables, 3/789 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1394 variables, 0/789 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 25 (OVERLAPS) 6/1400 variables, 3/792 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1400 variables, 6/798 constraints. Problems are: Problem set: 0 solved, 17 unsolved
[2025-06-01 02:30:50] [INFO ] Deduced a trap composed of 3 places in 124 ms of which 1 ms to minimize.
[2025-06-01 02:30:50] [INFO ] Deduced a trap composed of 59 places in 89 ms of which 1 ms to minimize.
[2025-06-01 02:30:50] [INFO ] Deduced a trap composed of 27 places in 85 ms of which 1 ms to minimize.
At refinement iteration 27 (INCLUDED_ONLY) 0/1400 variables, 3/801 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1400 variables, 0/801 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 29 (OVERLAPS) 210/1610 variables, 138/939 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/1610 variables, 184/1123 constraints. Problems are: Problem set: 0 solved, 17 unsolved
[2025-06-01 02:30:52] [INFO ] Deduced a trap composed of 59 places in 94 ms of which 1 ms to minimize.
At refinement iteration 31 (INCLUDED_ONLY) 0/1610 variables, 1/1124 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/1610 variables, 0/1124 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 33 (OVERLAPS) 0/1610 variables, 0/1124 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1124 constraints, problems are : Problem set: 0 solved, 17 unsolved in 20372 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 50/50 constraints]
After SMT, in 23650ms problems are : Problem set: 0 solved, 17 unsolved
Parikh walk visited 0 properties in 1725 ms.
Support contains 17 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 142 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 142 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 139 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-06-01 02:30:57] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:30:57] [INFO ] Invariant cache hit.
[2025-06-01 02:30:57] [INFO ] Implicit Places using invariants in 690 ms returned []
[2025-06-01 02:30:57] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:30:57] [INFO ] Invariant cache hit.
[2025-06-01 02:30:58] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-06-01 02:31:01] [INFO ] Implicit Places using invariants and state equation in 3511 ms returned []
Implicit Place search using SMT with State Equation took 4209 ms to find 0 implicit places.
[2025-06-01 02:31:01] [INFO ] Redundant transitions in 211 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-06-01 02:31:01] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:31:01] [INFO ] Invariant cache hit.
[2025-06-01 02:31:01] [INFO ] State equation strengthened by 436 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 33043ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 33085ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37677 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 400000 steps (8 resets) in 4072 ms. (98 steps per ms) remains 17/17 properties
Running SMT prover for 17 properties.
[2025-06-01 02:31:35] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:31:35] [INFO ] Invariant cache hit.
[2025-06-01 02:31:36] [INFO ] [Real]Absence check using 21 positive place invariants in 11 ms returned sat
[2025-06-01 02:31:36] [INFO ] [Real]Absence check using 21 positive and 10 generalized place invariants in 6 ms returned sat
[2025-06-01 02:31:36] [INFO ] After 257ms SMT Verify possible using state equation in real domain returned unsat :0 sat :17
[2025-06-01 02:31:36] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-06-01 02:31:36] [INFO ] After 156ms SMT Verify possible using 436 Read/Feed constraints in real domain returned unsat :0 sat :17
TRAPS : Iteration 0
[2025-06-01 02:31:37] [INFO ] After 1206ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:17
[2025-06-01 02:31:37] [INFO ] After 1604ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:17
[2025-06-01 02:31:37] [INFO ] [Nat]Absence check using 21 positive place invariants in 11 ms returned sat
[2025-06-01 02:31:37] [INFO ] [Nat]Absence check using 21 positive and 10 generalized place invariants in 5 ms returned sat
[2025-06-01 02:31:37] [INFO ] After 289ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :17
[2025-06-01 02:31:38] [INFO ] After 202ms SMT Verify possible using 436 Read/Feed constraints in natural domain returned unsat :0 sat :17
TRAPS : Iteration 0
[2025-06-01 02:31:38] [INFO ] Deduced a trap composed of 38 places in 231 ms of which 3 ms to minimize.
[2025-06-01 02:31:38] [INFO ] Deduced a trap composed of 3 places in 189 ms of which 2 ms to minimize.
[2025-06-01 02:31:38] [INFO ] Deduced a trap composed of 54 places in 195 ms of which 2 ms to minimize.
[2025-06-01 02:31:39] [INFO ] Deduced a trap composed of 33 places in 170 ms of which 2 ms to minimize.
[2025-06-01 02:31:39] [INFO ] Deduced a trap composed of 3 places in 163 ms of which 2 ms to minimize.
[2025-06-01 02:31:39] [INFO ] Deduced a trap composed of 23 places in 189 ms of which 2 ms to minimize.
[2025-06-01 02:31:39] [INFO ] Deduced a trap composed of 34 places in 186 ms of which 2 ms to minimize.
[2025-06-01 02:31:39] [INFO ] Deduced a trap composed of 28 places in 200 ms of which 1 ms to minimize.
[2025-06-01 02:31:40] [INFO ] Deduced a trap composed of 25 places in 203 ms of which 2 ms to minimize.
[2025-06-01 02:31:40] [INFO ] Deduced a trap composed of 13 places in 152 ms of which 2 ms to minimize.
[2025-06-01 02:31:40] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 2299 ms
[2025-06-01 02:31:40] [INFO ] Deduced a trap composed of 3 places in 44 ms of which 1 ms to minimize.
[2025-06-01 02:31:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 118 ms
[2025-06-01 02:31:40] [INFO ] Deduced a trap composed of 19 places in 193 ms of which 2 ms to minimize.
[2025-06-01 02:31:41] [INFO ] Deduced a trap composed of 17 places in 193 ms of which 2 ms to minimize.
[2025-06-01 02:31:41] [INFO ] Deduced a trap composed of 3 places in 92 ms of which 1 ms to minimize.
[2025-06-01 02:31:41] [INFO ] Deduced a trap composed of 3 places in 59 ms of which 1 ms to minimize.
[2025-06-01 02:31:41] [INFO ] Deduced a trap composed of 15 places in 115 ms of which 1 ms to minimize.
[2025-06-01 02:31:41] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 894 ms
[2025-06-01 02:31:41] [INFO ] Deduced a trap composed of 3 places in 64 ms of which 1 ms to minimize.
[2025-06-01 02:31:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 143 ms
[2025-06-01 02:31:41] [INFO ] Deduced a trap composed of 14 places in 161 ms of which 1 ms to minimize.
[2025-06-01 02:31:42] [INFO ] Deduced a trap composed of 23 places in 164 ms of which 1 ms to minimize.
[2025-06-01 02:31:42] [INFO ] Deduced a trap composed of 17 places in 126 ms of which 1 ms to minimize.
[2025-06-01 02:31:42] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 611 ms
[2025-06-01 02:31:42] [INFO ] Deduced a trap composed of 53 places in 100 ms of which 1 ms to minimize.
[2025-06-01 02:31:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 178 ms
[2025-06-01 02:31:42] [INFO ] Deduced a trap composed of 43 places in 86 ms of which 1 ms to minimize.
[2025-06-01 02:31:42] [INFO ] Deduced a trap composed of 11 places in 83 ms of which 0 ms to minimize.
[2025-06-01 02:31:42] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 282 ms
[2025-06-01 02:31:43] [INFO ] Deduced a trap composed of 19 places in 88 ms of which 1 ms to minimize.
[2025-06-01 02:31:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 168 ms
[2025-06-01 02:31:43] [INFO ] Deduced a trap composed of 51 places in 87 ms of which 1 ms to minimize.
[2025-06-01 02:31:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 168 ms
TRAPS : Iteration 1
[2025-06-01 02:31:44] [INFO ] Deduced a trap composed of 51 places in 91 ms of which 1 ms to minimize.
[2025-06-01 02:31:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 160 ms
[2025-06-01 02:31:44] [INFO ] Deduced a trap composed of 49 places in 120 ms of which 1 ms to minimize.
[2025-06-01 02:31:44] [INFO ] Deduced a trap composed of 53 places in 85 ms of which 1 ms to minimize.
[2025-06-01 02:31:44] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 306 ms
[2025-06-01 02:31:45] [INFO ] Deduced a trap composed of 27 places in 76 ms of which 1 ms to minimize.
[2025-06-01 02:31:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 150 ms
[2025-06-01 02:31:45] [INFO ] Deduced a trap composed of 53 places in 82 ms of which 0 ms to minimize.
[2025-06-01 02:31:45] [INFO ] Deduced a trap composed of 27 places in 82 ms of which 1 ms to minimize.
[2025-06-01 02:31:45] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 278 ms
TRAPS : Iteration 2
[2025-06-01 02:31:46] [INFO ] Deduced a trap composed of 3 places in 64 ms of which 0 ms to minimize.
[2025-06-01 02:31:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 137 ms
[2025-06-01 02:31:46] [INFO ] Deduced a trap composed of 47 places in 86 ms of which 1 ms to minimize.
[2025-06-01 02:31:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 159 ms
[2025-06-01 02:31:46] [INFO ] Deduced a trap composed of 62 places in 95 ms of which 1 ms to minimize.
[2025-06-01 02:31:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 163 ms
[2025-06-01 02:31:46] [INFO ] Deduced a trap composed of 21 places in 115 ms of which 1 ms to minimize.
[2025-06-01 02:31:46] [INFO ] Deduced a trap composed of 53 places in 95 ms of which 1 ms to minimize.
[2025-06-01 02:31:47] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 319 ms
[2025-06-01 02:31:47] [INFO ] Deduced a trap composed of 47 places in 91 ms of which 1 ms to minimize.
[2025-06-01 02:31:47] [INFO ] Deduced a trap composed of 24 places in 78 ms of which 1 ms to minimize.
[2025-06-01 02:31:47] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 279 ms
[2025-06-01 02:31:47] [INFO ] Deduced a trap composed of 64 places in 89 ms of which 1 ms to minimize.
[2025-06-01 02:31:48] [INFO ] Deduced a trap composed of 29 places in 80 ms of which 0 ms to minimize.
[2025-06-01 02:31:48] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 285 ms
TRAPS : Iteration 3
[2025-06-01 02:31:48] [INFO ] Deduced a trap composed of 15 places in 112 ms of which 1 ms to minimize.
[2025-06-01 02:31:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 183 ms
TRAPS : Iteration 4
[2025-06-01 02:31:49] [INFO ] Deduced a trap composed of 25 places in 110 ms of which 1 ms to minimize.
[2025-06-01 02:31:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 184 ms
[2025-06-01 02:31:50] [INFO ] Deduced a trap composed of 21 places in 81 ms of which 1 ms to minimize.
[2025-06-01 02:31:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 159 ms
TRAPS : Iteration 5
[2025-06-01 02:31:51] [INFO ] Deduced a trap composed of 20 places in 93 ms of which 4 ms to minimize.
[2025-06-01 02:31:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 164 ms
TRAPS : Iteration 6
[2025-06-01 02:31:53] [INFO ] After 15597ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :17
[2025-06-01 02:31:53] [INFO ] After 16160ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :17
RANDOM walk for 4000000 steps (8 resets) in 28781 ms. (138 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 392 ms. (1017 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 398 ms. (1002 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 390 ms. (1023 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 389 ms. (1025 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 393 ms. (1015 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 389 ms. (1025 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 399 ms. (1000 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 390 ms. (1023 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 390 ms. (1023 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 386 ms. (1033 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 390 ms. (1023 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 399 ms. (1000 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 390 ms. (1023 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 388 ms. (1028 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 390 ms. (1023 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 386 ms. (1033 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 398 ms. (1002 steps per ms) remains 17/17 properties
Interrupted probabilistic random walk after 2300826 steps, run timeout after 33001 ms. (steps per millisecond=69 ) properties seen :0 out of 17
Probabilistic random walk after 2300826 steps, saw 1322820 distinct states, run finished after 33001 ms. (steps per millisecond=69 ) properties seen :0
[2025-06-01 02:32:37] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:32:37] [INFO ] Invariant cache hit.
[2025-06-01 02:32:37] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/17 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 375/392 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 14/406 variables, 7/21 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/406 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 714/1120 variables, 406/427 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1120 variables, 140/567 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1120 variables, 0/567 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 64/1184 variables, 10/577 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1184 variables, 1/578 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1184 variables, 82/660 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1184 variables, 0/660 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 12 (OVERLAPS) 78/1262 variables, 36/696 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1262 variables, 30/726 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1262 variables, 0/726 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 15 (OVERLAPS) 132/1394 variables, 6/732 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1394 variables, 0/732 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 17 (OVERLAPS) 6/1400 variables, 3/735 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1400 variables, 0/735 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 19 (OVERLAPS) 210/1610 variables, 138/873 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 184/1057 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 17 unsolved in 3346 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/17 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 375/392 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 14/406 variables, 7/21 constraints. Problems are: Problem set: 0 solved, 17 unsolved
[2025-06-01 02:32:41] [INFO ] Deduced a trap composed of 3 places in 253 ms of which 3 ms to minimize.
[2025-06-01 02:32:41] [INFO ] Deduced a trap composed of 65 places in 215 ms of which 3 ms to minimize.
[2025-06-01 02:32:42] [INFO ] Deduced a trap composed of 19 places in 250 ms of which 2 ms to minimize.
[2025-06-01 02:32:42] [INFO ] Deduced a trap composed of 27 places in 218 ms of which 2 ms to minimize.
[2025-06-01 02:32:42] [INFO ] Deduced a trap composed of 31 places in 210 ms of which 2 ms to minimize.
[2025-06-01 02:32:42] [INFO ] Deduced a trap composed of 23 places in 201 ms of which 2 ms to minimize.
[2025-06-01 02:32:43] [INFO ] Deduced a trap composed of 40 places in 263 ms of which 3 ms to minimize.
[2025-06-01 02:32:43] [INFO ] Deduced a trap composed of 25 places in 263 ms of which 3 ms to minimize.
[2025-06-01 02:32:43] [INFO ] Deduced a trap composed of 15 places in 270 ms of which 3 ms to minimize.
[2025-06-01 02:32:43] [INFO ] Deduced a trap composed of 17 places in 258 ms of which 3 ms to minimize.
[2025-06-01 02:32:44] [INFO ] Deduced a trap composed of 3 places in 56 ms of which 0 ms to minimize.
[2025-06-01 02:32:44] [INFO ] Deduced a trap composed of 15 places in 232 ms of which 2 ms to minimize.
[2025-06-01 02:32:44] [INFO ] Deduced a trap composed of 11 places in 196 ms of which 2 ms to minimize.
[2025-06-01 02:32:44] [INFO ] Deduced a trap composed of 18 places in 148 ms of which 2 ms to minimize.
[2025-06-01 02:32:44] [INFO ] Deduced a trap composed of 23 places in 124 ms of which 2 ms to minimize.
[2025-06-01 02:32:44] [INFO ] Deduced a trap composed of 4 places in 150 ms of which 2 ms to minimize.
[2025-06-01 02:32:45] [INFO ] Deduced a trap composed of 28 places in 151 ms of which 1 ms to minimize.
[2025-06-01 02:32:45] [INFO ] Deduced a trap composed of 3 places in 120 ms of which 1 ms to minimize.
[2025-06-01 02:32:45] [INFO ] Deduced a trap composed of 13 places in 88 ms of which 1 ms to minimize.
[2025-06-01 02:32:45] [INFO ] Deduced a trap composed of 19 places in 115 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/406 variables, 20/41 constraints. Problems are: Problem set: 0 solved, 17 unsolved
[2025-06-01 02:32:45] [INFO ] Deduced a trap composed of 3 places in 54 ms of which 0 ms to minimize.
[2025-06-01 02:32:45] [INFO ] Deduced a trap composed of 3 places in 118 ms of which 1 ms to minimize.
[2025-06-01 02:32:45] [INFO ] Deduced a trap composed of 53 places in 76 ms of which 1 ms to minimize.
[2025-06-01 02:32:45] [INFO ] Deduced a trap composed of 29 places in 66 ms of which 1 ms to minimize.
[2025-06-01 02:32:46] [INFO ] Deduced a trap composed of 3 places in 90 ms of which 1 ms to minimize.
[2025-06-01 02:32:46] [INFO ] Deduced a trap composed of 51 places in 119 ms of which 1 ms to minimize.
[2025-06-01 02:32:46] [INFO ] Deduced a trap composed of 53 places in 83 ms of which 1 ms to minimize.
[2025-06-01 02:32:46] [INFO ] Deduced a trap composed of 51 places in 89 ms of which 0 ms to minimize.
[2025-06-01 02:32:46] [INFO ] Deduced a trap composed of 27 places in 118 ms of which 2 ms to minimize.
[2025-06-01 02:32:46] [INFO ] Deduced a trap composed of 49 places in 113 ms of which 1 ms to minimize.
[2025-06-01 02:32:46] [INFO ] Deduced a trap composed of 51 places in 89 ms of which 1 ms to minimize.
[2025-06-01 02:32:46] [INFO ] Deduced a trap composed of 51 places in 83 ms of which 1 ms to minimize.
[2025-06-01 02:32:46] [INFO ] Deduced a trap composed of 3 places in 91 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/406 variables, 13/54 constraints. Problems are: Problem set: 0 solved, 17 unsolved
[2025-06-01 02:32:47] [INFO ] Deduced a trap composed of 47 places in 84 ms of which 1 ms to minimize.
[2025-06-01 02:32:47] [INFO ] Deduced a trap composed of 17 places in 85 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/406 variables, 2/56 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/406 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 714/1120 variables, 406/462 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1120 variables, 140/602 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1120 variables, 0/602 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 11 (OVERLAPS) 64/1184 variables, 10/612 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1184 variables, 1/613 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1184 variables, 82/695 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1184 variables, 11/706 constraints. Problems are: Problem set: 0 solved, 17 unsolved
[2025-06-01 02:32:49] [INFO ] Deduced a trap composed of 19 places in 99 ms of which 0 ms to minimize.
[2025-06-01 02:32:49] [INFO ] Deduced a trap composed of 21 places in 88 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/1184 variables, 2/708 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1184 variables, 0/708 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 17 (OVERLAPS) 78/1262 variables, 36/744 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1262 variables, 30/774 constraints. Problems are: Problem set: 0 solved, 17 unsolved
[2025-06-01 02:32:51] [INFO ] Deduced a trap composed of 21 places in 81 ms of which 1 ms to minimize.
[2025-06-01 02:32:51] [INFO ] Deduced a trap composed of 21 places in 84 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/1262 variables, 2/776 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1262 variables, 0/776 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 21 (OVERLAPS) 132/1394 variables, 6/782 constraints. Problems are: Problem set: 0 solved, 17 unsolved
[2025-06-01 02:32:53] [INFO ] Deduced a trap composed of 23 places in 83 ms of which 1 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1394 variables, 1/783 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1394 variables, 0/783 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 24 (OVERLAPS) 6/1400 variables, 3/786 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1400 variables, 6/792 constraints. Problems are: Problem set: 0 solved, 17 unsolved
[2025-06-01 02:32:54] [INFO ] Deduced a trap composed of 3 places in 62 ms of which 1 ms to minimize.
[2025-06-01 02:32:54] [INFO ] Deduced a trap composed of 25 places in 115 ms of which 1 ms to minimize.
[2025-06-01 02:32:54] [INFO ] Deduced a trap composed of 27 places in 94 ms of which 1 ms to minimize.
[2025-06-01 02:32:54] [INFO ] Deduced a trap composed of 29 places in 94 ms of which 1 ms to minimize.
[2025-06-01 02:32:55] [INFO ] Deduced a trap composed of 31 places in 90 ms of which 1 ms to minimize.
At refinement iteration 26 (INCLUDED_ONLY) 0/1400 variables, 5/797 constraints. Problems are: Problem set: 0 solved, 17 unsolved
[2025-06-01 02:32:55] [INFO ] Deduced a trap composed of 39 places in 91 ms of which 1 ms to minimize.
[2025-06-01 02:32:56] [INFO ] Deduced a trap composed of 33 places in 92 ms of which 1 ms to minimize.
[2025-06-01 02:32:56] [INFO ] Deduced a trap composed of 35 places in 89 ms of which 1 ms to minimize.
[2025-06-01 02:32:56] [INFO ] Deduced a trap composed of 59 places in 95 ms of which 1 ms to minimize.
At refinement iteration 27 (INCLUDED_ONLY) 0/1400 variables, 4/801 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1400 variables, 0/801 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 29 (OVERLAPS) 210/1610 variables, 138/939 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/1610 variables, 184/1123 constraints. Problems are: Problem set: 0 solved, 17 unsolved
[2025-06-01 02:32:58] [INFO ] Deduced a trap composed of 23 places in 94 ms of which 1 ms to minimize.
[2025-06-01 02:32:58] [INFO ] Deduced a trap composed of 25 places in 92 ms of which 1 ms to minimize.
[2025-06-01 02:32:58] [INFO ] Deduced a trap composed of 27 places in 95 ms of which 1 ms to minimize.
[2025-06-01 02:32:58] [INFO ] Deduced a trap composed of 29 places in 93 ms of which 1 ms to minimize.
[2025-06-01 02:32:59] [INFO ] Deduced a trap composed of 31 places in 131 ms of which 1 ms to minimize.
At refinement iteration 31 (INCLUDED_ONLY) 0/1610 variables, 5/1128 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/1610 variables, 0/1128 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 33 (OVERLAPS) 0/1610 variables, 0/1128 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1128 constraints, problems are : Problem set: 0 solved, 17 unsolved in 20877 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 54/54 constraints]
After SMT, in 24251ms problems are : Problem set: 0 solved, 17 unsolved
Parikh walk visited 0 properties in 1725 ms.
Support contains 17 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 153 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 153 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 140 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-06-01 02:33:04] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:33:04] [INFO ] Invariant cache hit.
[2025-06-01 02:33:04] [INFO ] Implicit Places using invariants in 647 ms returned []
[2025-06-01 02:33:04] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:33:04] [INFO ] Invariant cache hit.
[2025-06-01 02:33:04] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-06-01 02:33:08] [INFO ] Implicit Places using invariants and state equation in 3779 ms returned []
Implicit Place search using SMT with State Equation took 4429 ms to find 0 implicit places.
[2025-06-01 02:33:08] [INFO ] Redundant transitions in 186 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-06-01 02:33:08] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:33:08] [INFO ] Invariant cache hit.
[2025-06-01 02:33:08] [INFO ] State equation strengthened by 436 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 32717ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 32750ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37518 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 400000 steps (8 resets) in 2747 ms. (145 steps per ms) remains 17/17 properties
Running SMT prover for 17 properties.
[2025-06-01 02:33:42] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:33:42] [INFO ] Invariant cache hit.
[2025-06-01 02:33:42] [INFO ] [Real]Absence check using 21 positive place invariants in 12 ms returned sat
[2025-06-01 02:33:42] [INFO ] [Real]Absence check using 21 positive and 10 generalized place invariants in 6 ms returned sat
[2025-06-01 02:33:42] [INFO ] After 266ms SMT Verify possible using state equation in real domain returned unsat :0 sat :17
[2025-06-01 02:33:42] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-06-01 02:33:42] [INFO ] After 155ms SMT Verify possible using 436 Read/Feed constraints in real domain returned unsat :0 sat :17
TRAPS : Iteration 0
[2025-06-01 02:33:43] [INFO ] After 1197ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:17
[2025-06-01 02:33:43] [INFO ] After 1581ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:17
[2025-06-01 02:33:43] [INFO ] [Nat]Absence check using 21 positive place invariants in 10 ms returned sat
[2025-06-01 02:33:43] [INFO ] [Nat]Absence check using 21 positive and 10 generalized place invariants in 6 ms returned sat
[2025-06-01 02:33:44] [INFO ] After 240ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :17
[2025-06-01 02:33:44] [INFO ] After 192ms SMT Verify possible using 436 Read/Feed constraints in natural domain returned unsat :0 sat :17
TRAPS : Iteration 0
[2025-06-01 02:33:44] [INFO ] Deduced a trap composed of 38 places in 223 ms of which 2 ms to minimize.
[2025-06-01 02:33:44] [INFO ] Deduced a trap composed of 3 places in 189 ms of which 2 ms to minimize.
[2025-06-01 02:33:45] [INFO ] Deduced a trap composed of 54 places in 193 ms of which 2 ms to minimize.
[2025-06-01 02:33:45] [INFO ] Deduced a trap composed of 33 places in 193 ms of which 1 ms to minimize.
[2025-06-01 02:33:45] [INFO ] Deduced a trap composed of 3 places in 169 ms of which 2 ms to minimize.
[2025-06-01 02:33:45] [INFO ] Deduced a trap composed of 23 places in 187 ms of which 2 ms to minimize.
[2025-06-01 02:33:45] [INFO ] Deduced a trap composed of 34 places in 179 ms of which 2 ms to minimize.
[2025-06-01 02:33:46] [INFO ] Deduced a trap composed of 28 places in 175 ms of which 2 ms to minimize.
[2025-06-01 02:33:46] [INFO ] Deduced a trap composed of 25 places in 175 ms of which 2 ms to minimize.
[2025-06-01 02:33:46] [INFO ] Deduced a trap composed of 13 places in 151 ms of which 2 ms to minimize.
[2025-06-01 02:33:46] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 2228 ms
[2025-06-01 02:33:46] [INFO ] Deduced a trap composed of 3 places in 52 ms of which 0 ms to minimize.
[2025-06-01 02:33:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 128 ms
[2025-06-01 02:33:46] [INFO ] Deduced a trap composed of 19 places in 184 ms of which 2 ms to minimize.
[2025-06-01 02:33:47] [INFO ] Deduced a trap composed of 17 places in 177 ms of which 1 ms to minimize.
[2025-06-01 02:33:47] [INFO ] Deduced a trap composed of 3 places in 84 ms of which 1 ms to minimize.
[2025-06-01 02:33:47] [INFO ] Deduced a trap composed of 3 places in 60 ms of which 0 ms to minimize.
[2025-06-01 02:33:47] [INFO ] Deduced a trap composed of 15 places in 123 ms of which 1 ms to minimize.
[2025-06-01 02:33:47] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 846 ms
[2025-06-01 02:33:47] [INFO ] Deduced a trap composed of 3 places in 60 ms of which 1 ms to minimize.
[2025-06-01 02:33:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 135 ms
[2025-06-01 02:33:47] [INFO ] Deduced a trap composed of 14 places in 156 ms of which 2 ms to minimize.
[2025-06-01 02:33:48] [INFO ] Deduced a trap composed of 23 places in 162 ms of which 1 ms to minimize.
[2025-06-01 02:33:48] [INFO ] Deduced a trap composed of 17 places in 115 ms of which 1 ms to minimize.
[2025-06-01 02:33:48] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 574 ms
[2025-06-01 02:33:48] [INFO ] Deduced a trap composed of 53 places in 90 ms of which 1 ms to minimize.
[2025-06-01 02:33:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 160 ms
[2025-06-01 02:33:48] [INFO ] Deduced a trap composed of 43 places in 78 ms of which 1 ms to minimize.
[2025-06-01 02:33:48] [INFO ] Deduced a trap composed of 11 places in 78 ms of which 1 ms to minimize.
[2025-06-01 02:33:48] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 265 ms
[2025-06-01 02:33:49] [INFO ] Deduced a trap composed of 19 places in 84 ms of which 1 ms to minimize.
[2025-06-01 02:33:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 157 ms
[2025-06-01 02:33:49] [INFO ] Deduced a trap composed of 51 places in 88 ms of which 1 ms to minimize.
[2025-06-01 02:33:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 158 ms
TRAPS : Iteration 1
[2025-06-01 02:33:50] [INFO ] Deduced a trap composed of 51 places in 87 ms of which 1 ms to minimize.
[2025-06-01 02:33:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 164 ms
[2025-06-01 02:33:50] [INFO ] Deduced a trap composed of 49 places in 128 ms of which 1 ms to minimize.
[2025-06-01 02:33:50] [INFO ] Deduced a trap composed of 53 places in 92 ms of which 1 ms to minimize.
[2025-06-01 02:33:50] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 327 ms
[2025-06-01 02:33:51] [INFO ] Deduced a trap composed of 27 places in 79 ms of which 1 ms to minimize.
[2025-06-01 02:33:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 152 ms
[2025-06-01 02:33:51] [INFO ] Deduced a trap composed of 53 places in 88 ms of which 1 ms to minimize.
[2025-06-01 02:33:51] [INFO ] Deduced a trap composed of 27 places in 77 ms of which 1 ms to minimize.
[2025-06-01 02:33:51] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 276 ms
TRAPS : Iteration 2
[2025-06-01 02:33:52] [INFO ] Deduced a trap composed of 3 places in 63 ms of which 0 ms to minimize.
[2025-06-01 02:33:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 141 ms
[2025-06-01 02:33:52] [INFO ] Deduced a trap composed of 47 places in 83 ms of which 1 ms to minimize.
[2025-06-01 02:33:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 162 ms
[2025-06-01 02:33:52] [INFO ] Deduced a trap composed of 62 places in 92 ms of which 1 ms to minimize.
[2025-06-01 02:33:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 161 ms
[2025-06-01 02:33:52] [INFO ] Deduced a trap composed of 21 places in 117 ms of which 1 ms to minimize.
[2025-06-01 02:33:52] [INFO ] Deduced a trap composed of 53 places in 82 ms of which 2 ms to minimize.
[2025-06-01 02:33:52] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 307 ms
[2025-06-01 02:33:53] [INFO ] Deduced a trap composed of 47 places in 83 ms of which 1 ms to minimize.
[2025-06-01 02:33:53] [INFO ] Deduced a trap composed of 24 places in 78 ms of which 0 ms to minimize.
[2025-06-01 02:33:53] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 278 ms
[2025-06-01 02:33:53] [INFO ] Deduced a trap composed of 64 places in 77 ms of which 1 ms to minimize.
[2025-06-01 02:33:53] [INFO ] Deduced a trap composed of 29 places in 76 ms of which 0 ms to minimize.
[2025-06-01 02:33:54] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 266 ms
TRAPS : Iteration 3
[2025-06-01 02:33:54] [INFO ] Deduced a trap composed of 15 places in 115 ms of which 1 ms to minimize.
[2025-06-01 02:33:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 179 ms
TRAPS : Iteration 4
[2025-06-01 02:33:55] [INFO ] Deduced a trap composed of 25 places in 107 ms of which 1 ms to minimize.
[2025-06-01 02:33:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 176 ms
[2025-06-01 02:33:56] [INFO ] Deduced a trap composed of 21 places in 79 ms of which 1 ms to minimize.
[2025-06-01 02:33:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 152 ms
TRAPS : Iteration 5
[2025-06-01 02:33:57] [INFO ] Deduced a trap composed of 20 places in 84 ms of which 1 ms to minimize.
[2025-06-01 02:33:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 158 ms
TRAPS : Iteration 6
[2025-06-01 02:33:59] [INFO ] After 15086ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :17
[2025-06-01 02:33:59] [INFO ] After 15598ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :17
RANDOM walk for 40000 steps (8 resets) in 191 ms. (208 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 411389 steps, run timeout after 3001 ms. (steps per millisecond=137 ) properties seen :0 out of 1
Probabilistic random walk after 411389 steps, saw 272190 distinct states, run finished after 3001 ms. (steps per millisecond=137 ) properties seen :0
[2025-06-01 02:34:02] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:34:02] [INFO ] Invariant cache hit.
[2025-06-01 02:34:02] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 10/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 36/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 388/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 448 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 10/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 36/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:34:03] [INFO ] Deduced a trap composed of 3 places in 368 ms of which 3 ms to minimize.
[2025-06-01 02:34:03] [INFO ] Deduced a trap composed of 33 places in 196 ms of which 2 ms to minimize.
[2025-06-01 02:34:03] [INFO ] Deduced a trap composed of 23 places in 180 ms of which 2 ms to minimize.
[2025-06-01 02:34:04] [INFO ] Deduced a trap composed of 3 places in 93 ms of which 0 ms to minimize.
[2025-06-01 02:34:04] [INFO ] Deduced a trap composed of 3 places in 58 ms of which 1 ms to minimize.
[2025-06-01 02:34:04] [INFO ] Deduced a trap composed of 17 places in 188 ms of which 2 ms to minimize.
[2025-06-01 02:34:04] [INFO ] Deduced a trap composed of 28 places in 142 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 7/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/677 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 388/1065 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1065 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1065 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1065 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1913 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints]
After SMT, in 2380ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 984 steps, including 39 resets, run visited all 1 properties in 7 ms. (steps per millisecond=140 )
Parikh walk visited 1 properties in 10 ms.
RANDOM walk for 40000 steps (8 resets) in 228 ms. (174 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 412511 steps, run timeout after 3001 ms. (steps per millisecond=137 ) properties seen :0 out of 1
Probabilistic random walk after 412511 steps, saw 272838 distinct states, run finished after 3001 ms. (steps per millisecond=137 ) properties seen :0
[2025-06-01 02:34:07] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:34:07] [INFO ] Invariant cache hit.
[2025-06-01 02:34:07] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 422 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:34:08] [INFO ] Deduced a trap composed of 3 places in 51 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 172/332 variables, 10/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 12/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 234/566 variables, 108/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 33/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 396/962 variables, 18/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/962 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 18/980 variables, 9/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:34:08] [INFO ] Deduced a trap composed of 3 places in 187 ms of which 2 ms to minimize.
[2025-06-01 02:34:09] [INFO ] Deduced a trap composed of 3 places in 141 ms of which 1 ms to minimize.
[2025-06-01 02:34:09] [INFO ] Deduced a trap composed of 3 places in 100 ms of which 1 ms to minimize.
[2025-06-01 02:34:09] [INFO ] Deduced a trap composed of 3 places in 55 ms of which 0 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 4/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/980 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 630/1610 variables, 414/674 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 389/1063 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:34:09] [INFO ] Deduced a trap composed of 3 places in 67 ms of which 1 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 1/1064 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1064 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1064 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1064 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1301 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 6/6 constraints]
After SMT, in 1758ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 88 steps, including 1 resets, run visited all 1 properties in 3 ms. (steps per millisecond=29 )
Parikh walk visited 1 properties in 2 ms.
RANDOM walk for 40000 steps (8 resets) in 216 ms. (184 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 416801 steps, run timeout after 3001 ms. (steps per millisecond=138 ) properties seen :0 out of 1
Probabilistic random walk after 416801 steps, saw 275664 distinct states, run finished after 3001 ms. (steps per millisecond=138 ) properties seen :0
[2025-06-01 02:34:12] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:34:12] [INFO ] Invariant cache hit.
[2025-06-01 02:34:12] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 437 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:34:13] [INFO ] Deduced a trap composed of 3 places in 361 ms of which 4 ms to minimize.
[2025-06-01 02:34:14] [INFO ] Deduced a trap composed of 3 places in 194 ms of which 2 ms to minimize.
[2025-06-01 02:34:14] [INFO ] Deduced a trap composed of 3 places in 160 ms of which 2 ms to minimize.
[2025-06-01 02:34:14] [INFO ] Deduced a trap composed of 14 places in 126 ms of which 1 ms to minimize.
[2025-06-01 02:34:14] [INFO ] Deduced a trap composed of 3 places in 124 ms of which 1 ms to minimize.
[2025-06-01 02:34:14] [INFO ] Deduced a trap composed of 19 places in 99 ms of which 1 ms to minimize.
[2025-06-01 02:34:14] [INFO ] Deduced a trap composed of 13 places in 84 ms of which 0 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 7/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/676 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1065 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:34:15] [INFO ] Deduced a trap composed of 3 places in 64 ms of which 1 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 1/1066 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 0/1066 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1610 variables, 0/1066 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1066 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1978 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 8/8 constraints]
After SMT, in 2440ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1124 steps, including 26 resets, run visited all 1 properties in 9 ms. (steps per millisecond=124 )
Parikh walk visited 1 properties in 10 ms.
RANDOM walk for 40000 steps (8 resets) in 210 ms. (189 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 415635 steps, run timeout after 3001 ms. (steps per millisecond=138 ) properties seen :0 out of 1
Probabilistic random walk after 415635 steps, saw 274899 distinct states, run finished after 3001 ms. (steps per millisecond=138 ) properties seen :0
[2025-06-01 02:34:18] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:34:18] [INFO ] Invariant cache hit.
[2025-06-01 02:34:18] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 432 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:34:19] [INFO ] Deduced a trap composed of 120 places in 391 ms of which 3 ms to minimize.
[2025-06-01 02:34:19] [INFO ] Deduced a trap composed of 3 places in 419 ms of which 3 ms to minimize.
[2025-06-01 02:34:20] [INFO ] Deduced a trap composed of 3 places in 362 ms of which 3 ms to minimize.
[2025-06-01 02:34:20] [INFO ] Deduced a trap composed of 3 places in 314 ms of which 3 ms to minimize.
[2025-06-01 02:34:20] [INFO ] Deduced a trap composed of 3 places in 294 ms of which 2 ms to minimize.
[2025-06-01 02:34:21] [INFO ] Deduced a trap composed of 102 places in 266 ms of which 2 ms to minimize.
[2025-06-01 02:34:21] [INFO ] Deduced a trap composed of 21 places in 257 ms of which 3 ms to minimize.
[2025-06-01 02:34:21] [INFO ] Deduced a trap composed of 3 places in 60 ms of which 1 ms to minimize.
[2025-06-01 02:34:21] [INFO ] Deduced a trap composed of 87 places in 248 ms of which 2 ms to minimize.
[2025-06-01 02:34:22] [INFO ] Deduced a trap composed of 17 places in 255 ms of which 3 ms to minimize.
[2025-06-01 02:34:22] [INFO ] Deduced a trap composed of 15 places in 256 ms of which 3 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 11/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/680 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1069 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1069 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1069 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1069 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3927 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 11/11 constraints]
After SMT, in 4379ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 18019 steps, including 443 resets, run visited all 1 properties in 97 ms. (steps per millisecond=185 )
Parikh walk visited 1 properties in 97 ms.
RANDOM walk for 40000 steps (8 resets) in 200 ms. (199 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 416504 steps, run timeout after 3001 ms. (steps per millisecond=138 ) properties seen :0 out of 1
Probabilistic random walk after 416504 steps, saw 275501 distinct states, run finished after 3001 ms. (steps per millisecond=138 ) properties seen :0
[2025-06-01 02:34:25] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:34:25] [INFO ] Invariant cache hit.
[2025-06-01 02:34:25] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 420 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:34:26] [INFO ] Deduced a trap composed of 3 places in 349 ms of which 3 ms to minimize.
[2025-06-01 02:34:27] [INFO ] Deduced a trap composed of 3 places in 339 ms of which 4 ms to minimize.
[2025-06-01 02:34:27] [INFO ] Deduced a trap composed of 71 places in 307 ms of which 3 ms to minimize.
[2025-06-01 02:34:27] [INFO ] Deduced a trap composed of 3 places in 298 ms of which 3 ms to minimize.
[2025-06-01 02:34:28] [INFO ] Deduced a trap composed of 3 places in 222 ms of which 2 ms to minimize.
[2025-06-01 02:34:28] [INFO ] Deduced a trap composed of 26 places in 184 ms of which 2 ms to minimize.
[2025-06-01 02:34:28] [INFO ] Deduced a trap composed of 3 places in 189 ms of which 2 ms to minimize.
[2025-06-01 02:34:28] [INFO ] Deduced a trap composed of 3 places in 154 ms of which 1 ms to minimize.
[2025-06-01 02:34:28] [INFO ] Deduced a trap composed of 37 places in 88 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 9/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/678 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1067 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1067 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1067 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1067 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2833 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 9/9 constraints]
After SMT, in 3278ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 72 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=36 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 40000 steps (8 resets) in 199 ms. (200 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 410883 steps, run timeout after 3001 ms. (steps per millisecond=136 ) properties seen :0 out of 1
Probabilistic random walk after 410883 steps, saw 271973 distinct states, run finished after 3001 ms. (steps per millisecond=136 ) properties seen :0
[2025-06-01 02:34:32] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:34:32] [INFO ] Invariant cache hit.
[2025-06-01 02:34:32] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 10/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 36/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 388/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 428 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 10/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 36/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 630/1610 variables, 414/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 388/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:34:33] [INFO ] Deduced a trap composed of 3 places in 165 ms of which 1 ms to minimize.
[2025-06-01 02:34:33] [INFO ] Deduced a trap composed of 3 places in 128 ms of which 1 ms to minimize.
[2025-06-01 02:34:33] [INFO ] Deduced a trap composed of 27 places in 89 ms of which 1 ms to minimize.
[2025-06-01 02:34:33] [INFO ] Deduced a trap composed of 3 places in 59 ms of which 1 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 4/1062 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1062 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1062 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1062 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1121 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1573ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 149 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 143 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 145 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 308 ms. (129 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 414909 steps, run timeout after 3001 ms. (steps per millisecond=138 ) properties seen :0 out of 1
Probabilistic random walk after 414909 steps, saw 274474 distinct states, run finished after 3001 ms. (steps per millisecond=138 ) properties seen :0
[2025-06-01 02:34:37] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:34:37] [INFO ] Invariant cache hit.
[2025-06-01 02:34:37] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 10/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 36/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 388/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 425 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 10/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 36/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 630/1610 variables, 414/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 388/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:34:38] [INFO ] Deduced a trap composed of 3 places in 150 ms of which 1 ms to minimize.
[2025-06-01 02:34:38] [INFO ] Deduced a trap composed of 3 places in 119 ms of which 1 ms to minimize.
[2025-06-01 02:34:38] [INFO ] Deduced a trap composed of 27 places in 85 ms of which 0 ms to minimize.
[2025-06-01 02:34:38] [INFO ] Deduced a trap composed of 3 places in 57 ms of which 0 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 4/1062 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1062 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1062 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1062 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1096 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 1539ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 144 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 136 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 137 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 136 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-06-01 02:34:39] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:34:39] [INFO ] Invariant cache hit.
[2025-06-01 02:34:39] [INFO ] Implicit Places using invariants in 658 ms returned []
[2025-06-01 02:34:39] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:34:39] [INFO ] Invariant cache hit.
[2025-06-01 02:34:40] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-06-01 02:34:43] [INFO ] Implicit Places using invariants and state equation in 3660 ms returned []
Implicit Place search using SMT with State Equation took 4321 ms to find 0 implicit places.
[2025-06-01 02:34:43] [INFO ] Redundant transitions in 137 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-06-01 02:34:43] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:34:43] [INFO ] Invariant cache hit.
[2025-06-01 02:34:43] [INFO ] State equation strengthened by 436 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 32962ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 32994ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37610 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 5 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 1 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 92 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 231 rows 71 cols
[2025-06-01 02:35:16] [INFO ] Computed 21 invariants in 2 ms
[2025-06-01 02:35:16] [INFO ] After 26ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 02:35:16] [INFO ] [Nat]Absence check using 21 positive place invariants in 3 ms returned sat
[2025-06-01 02:35:16] [INFO ] After 37ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 02:35:16] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-01 02:35:16] [INFO ] After 16ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 02:35:16] [INFO ] After 25ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 02:35:16] [INFO ] After 92ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 221 ms.
RANDOM walk for 40000 steps (8 resets) in 420 ms. (95 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 428560 steps, run timeout after 3001 ms. (steps per millisecond=142 ) properties seen :0 out of 1
Probabilistic random walk after 428560 steps, saw 283268 distinct states, run finished after 3002 ms. (steps per millisecond=142 ) properties seen :0
[2025-06-01 02:35:20] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
// Phase 1: matrix 1020 rows 590 cols
[2025-06-01 02:35:20] [INFO ] Computed 31 invariants in 13 ms
[2025-06-01 02:35:20] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 418 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 630/1610 variables, 414/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 389/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:35:21] [INFO ] Deduced a trap composed of 3 places in 69 ms of which 1 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 1/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1059 constraints, problems are : Problem set: 0 solved, 1 unsolved in 672 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1125ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 106 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 128 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 129 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 266 ms. (149 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 442332 steps, run timeout after 3001 ms. (steps per millisecond=147 ) properties seen :0 out of 1
Probabilistic random walk after 442332 steps, saw 291549 distinct states, run finished after 3001 ms. (steps per millisecond=147 ) properties seen :0
[2025-06-01 02:35:24] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:35:24] [INFO ] Invariant cache hit.
[2025-06-01 02:35:24] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 439 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:35:25] [INFO ] Deduced a trap composed of 130 places in 383 ms of which 3 ms to minimize.
[2025-06-01 02:35:26] [INFO ] Deduced a trap composed of 82 places in 377 ms of which 3 ms to minimize.
[2025-06-01 02:35:26] [INFO ] Deduced a trap composed of 11 places in 78 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/672 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1061 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1061 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1061 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1061 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1468 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1934ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 101 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 142 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 143 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 131 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-06-01 02:35:26] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:35:26] [INFO ] Invariant cache hit.
[2025-06-01 02:35:27] [INFO ] Implicit Places using invariants in 660 ms returned []
[2025-06-01 02:35:27] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:35:27] [INFO ] Invariant cache hit.
[2025-06-01 02:35:27] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-06-01 02:35:31] [INFO ] Implicit Places using invariants and state equation in 3624 ms returned []
Implicit Place search using SMT with State Equation took 4289 ms to find 0 implicit places.
[2025-06-01 02:35:31] [INFO ] Redundant transitions in 244 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-06-01 02:35:31] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:35:31] [INFO ] Invariant cache hit.
[2025-06-01 02:35:31] [INFO ] State equation strengthened by 436 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 32402ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 32433ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37121 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 2 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 1 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 51 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 231 rows 71 cols
[2025-06-01 02:36:03] [INFO ] Computed 21 invariants in 2 ms
[2025-06-01 02:36:03] [INFO ] After 23ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 02:36:03] [INFO ] [Nat]Absence check using 21 positive place invariants in 2 ms returned sat
[2025-06-01 02:36:03] [INFO ] After 45ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 02:36:03] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-01 02:36:04] [INFO ] After 7ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 02:36:04] [INFO ] After 16ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 02:36:04] [INFO ] After 92ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 175 ms.
RANDOM walk for 40000 steps (8 resets) in 247 ms. (161 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 397925 steps, run timeout after 3001 ms. (steps per millisecond=132 ) properties seen :0 out of 1
Probabilistic random walk after 397925 steps, saw 264389 distinct states, run finished after 3001 ms. (steps per millisecond=132 ) properties seen :0
[2025-06-01 02:36:07] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
// Phase 1: matrix 1020 rows 590 cols
[2025-06-01 02:36:07] [INFO ] Computed 31 invariants in 15 ms
[2025-06-01 02:36:07] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 429 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:36:07] [INFO ] Deduced a trap composed of 13 places in 96 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:36:08] [INFO ] Deduced a trap composed of 94 places in 341 ms of which 3 ms to minimize.
[2025-06-01 02:36:08] [INFO ] Deduced a trap composed of 28 places in 92 ms of which 1 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 2/1061 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 0/1061 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1610 variables, 0/1061 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1061 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1233 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1701ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 109 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 134 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 135 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 231 ms. (172 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 397837 steps, run timeout after 3001 ms. (steps per millisecond=132 ) properties seen :0 out of 1
Probabilistic random walk after 397837 steps, saw 264321 distinct states, run finished after 3002 ms. (steps per millisecond=132 ) properties seen :0
[2025-06-01 02:36:12] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:36:12] [INFO ] Invariant cache hit.
[2025-06-01 02:36:12] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 441 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:36:12] [INFO ] Deduced a trap composed of 3 places in 51 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 172/332 variables, 10/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 12/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 234/566 variables, 108/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 33/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 396/962 variables, 18/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/962 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 18/980 variables, 9/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:36:13] [INFO ] Deduced a trap composed of 13 places in 346 ms of which 3 ms to minimize.
[2025-06-01 02:36:13] [INFO ] Deduced a trap composed of 114 places in 351 ms of which 3 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 2/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/980 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 630/1610 variables, 414/672 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 389/1061 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 0/1061 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1610 variables, 0/1061 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1061 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1360 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1829ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 98 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 126 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 126 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 124 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-06-01 02:36:14] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:36:14] [INFO ] Invariant cache hit.
[2025-06-01 02:36:15] [INFO ] Implicit Places using invariants in 661 ms returned []
[2025-06-01 02:36:15] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:36:15] [INFO ] Invariant cache hit.
[2025-06-01 02:36:15] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-06-01 02:36:18] [INFO ] Implicit Places using invariants and state equation in 3775 ms returned []
Implicit Place search using SMT with State Equation took 4439 ms to find 0 implicit places.
[2025-06-01 02:36:18] [INFO ] Redundant transitions in 128 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-06-01 02:36:18] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:36:18] [INFO ] Invariant cache hit.
[2025-06-01 02:36:18] [INFO ] State equation strengthened by 436 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 32992ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 33029ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37737 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 1 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 0 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 35 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 231 rows 71 cols
[2025-06-01 02:36:52] [INFO ] Computed 21 invariants in 1 ms
[2025-06-01 02:36:52] [INFO ] After 23ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 02:36:52] [INFO ] [Nat]Absence check using 21 positive place invariants in 3 ms returned sat
[2025-06-01 02:36:52] [INFO ] After 44ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 02:36:52] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-01 02:36:52] [INFO ] After 6ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 02:36:52] [INFO ] After 16ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 02:36:52] [INFO ] After 96ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 166 ms.
RANDOM walk for 40000 steps (8 resets) in 233 ms. (170 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 397892 steps, run timeout after 3001 ms. (steps per millisecond=132 ) properties seen :0 out of 1
Probabilistic random walk after 397892 steps, saw 264366 distinct states, run finished after 3002 ms. (steps per millisecond=132 ) properties seen :0
[2025-06-01 02:36:55] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
// Phase 1: matrix 1020 rows 590 cols
[2025-06-01 02:36:55] [INFO ] Computed 31 invariants in 10 ms
[2025-06-01 02:36:55] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 438 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:36:56] [INFO ] Deduced a trap composed of 15 places in 86 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:36:56] [INFO ] Deduced a trap composed of 53 places in 93 ms of which 1 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 1/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 0/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1610 variables, 0/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1060 constraints, problems are : Problem set: 0 solved, 1 unsolved in 816 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1289ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 82 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 127 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 130 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 236 ms. (168 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 406010 steps, run timeout after 3001 ms. (steps per millisecond=135 ) properties seen :0 out of 1
Probabilistic random walk after 406010 steps, saw 269328 distinct states, run finished after 3001 ms. (steps per millisecond=135 ) properties seen :0
[2025-06-01 02:36:59] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:36:59] [INFO ] Invariant cache hit.
[2025-06-01 02:36:59] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 449 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:37:00] [INFO ] Deduced a trap composed of 15 places in 91 ms of which 0 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1059 constraints, problems are : Problem set: 0 solved, 1 unsolved in 709 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1179ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 110 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 131 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 131 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 119 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-06-01 02:37:01] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:37:01] [INFO ] Invariant cache hit.
[2025-06-01 02:37:02] [INFO ] Implicit Places using invariants in 663 ms returned []
[2025-06-01 02:37:02] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:37:02] [INFO ] Invariant cache hit.
[2025-06-01 02:37:02] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-06-01 02:37:05] [INFO ] Implicit Places using invariants and state equation in 3779 ms returned []
Implicit Place search using SMT with State Equation took 4446 ms to find 0 implicit places.
[2025-06-01 02:37:05] [INFO ] Redundant transitions in 131 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-06-01 02:37:06] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:37:06] [INFO ] Invariant cache hit.
[2025-06-01 02:37:06] [INFO ] State equation strengthened by 436 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 32523ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 32554ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37269 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 0 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 1 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 39 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 231 rows 71 cols
[2025-06-01 02:37:38] [INFO ] Computed 21 invariants in 2 ms
[2025-06-01 02:37:38] [INFO ] After 26ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 02:37:38] [INFO ] [Nat]Absence check using 21 positive place invariants in 4 ms returned sat
[2025-06-01 02:37:38] [INFO ] After 45ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 02:37:38] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-01 02:37:38] [INFO ] After 6ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 02:37:38] [INFO ] After 15ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 02:37:38] [INFO ] After 94ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 168 ms.
RANDOM walk for 40000 steps (8 resets) in 242 ms. (164 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 402622 steps, run timeout after 3001 ms. (steps per millisecond=134 ) properties seen :0 out of 1
Probabilistic random walk after 402622 steps, saw 267135 distinct states, run finished after 3001 ms. (steps per millisecond=134 ) properties seen :0
[2025-06-01 02:37:41] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
// Phase 1: matrix 1020 rows 590 cols
[2025-06-01 02:37:41] [INFO ] Computed 31 invariants in 9 ms
[2025-06-01 02:37:41] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 449 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 630/1610 variables, 414/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 389/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:37:42] [INFO ] Deduced a trap composed of 3 places in 70 ms of which 0 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 1/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1059 constraints, problems are : Problem set: 0 solved, 1 unsolved in 703 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1184ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 113 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 127 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 127 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 196 ms. (203 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 393140 steps, run timeout after 3001 ms. (steps per millisecond=131 ) properties seen :0 out of 1
Probabilistic random walk after 393140 steps, saw 261334 distinct states, run finished after 3001 ms. (steps per millisecond=131 ) properties seen :0
[2025-06-01 02:37:46] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:37:46] [INFO ] Invariant cache hit.
[2025-06-01 02:37:46] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 424 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:37:47] [INFO ] Deduced a trap composed of 47 places in 84 ms of which 0 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1059 constraints, problems are : Problem set: 0 solved, 1 unsolved in 655 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1099ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 106 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 114 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 114 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 113 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-06-01 02:37:47] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:37:47] [INFO ] Invariant cache hit.
[2025-06-01 02:37:48] [INFO ] Implicit Places using invariants in 617 ms returned []
[2025-06-01 02:37:48] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:37:48] [INFO ] Invariant cache hit.
[2025-06-01 02:37:48] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-06-01 02:37:51] [INFO ] Implicit Places using invariants and state equation in 3587 ms returned []
Implicit Place search using SMT with State Equation took 4206 ms to find 0 implicit places.
[2025-06-01 02:37:52] [INFO ] Redundant transitions in 124 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-06-01 02:37:52] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:37:52] [INFO ] Invariant cache hit.
[2025-06-01 02:37:52] [INFO ] State equation strengthened by 436 read => feed constraints.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 1.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 1.0)
(s11 1.0)
(s12 1.0)
(s13 1.0)
(s14 1.0)
(s15 1.0)
(s16 1.0)
(s17 1.0)
(s18 1.0)
(s19 1.0)
(s20 1.0)
(s21 timeout
1.0)
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 32694ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 32724ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37182 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 1 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 0 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 26 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 231 rows 71 cols
[2025-06-01 02:38:24] [INFO ] Computed 21 invariants in 1 ms
[2025-06-01 02:38:24] [INFO ] After 28ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 02:38:24] [INFO ] [Nat]Absence check using 21 positive place invariants in 3 ms returned sat
[2025-06-01 02:38:24] [INFO ] After 36ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 02:38:24] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-01 02:38:24] [INFO ] After 5ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 02:38:24] [INFO ] After 12ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 02:38:24] [INFO ] After 76ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 135 ms.
RANDOM walk for 40000 steps (8 resets) in 193 ms. (206 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 445159 steps, run timeout after 3001 ms. (steps per millisecond=148 ) properties seen :0 out of 1
Probabilistic random walk after 445159 steps, saw 293406 distinct states, run finished after 3001 ms. (steps per millisecond=148 ) properties seen :0
[2025-06-01 02:38:28] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
// Phase 1: matrix 1020 rows 590 cols
[2025-06-01 02:38:28] [INFO ] Computed 31 invariants in 8 ms
[2025-06-01 02:38:28] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 402 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:38:28] [INFO ] Deduced a trap composed of 47 places in 85 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:38:29] [INFO ] Deduced a trap composed of 3 places in 67 ms of which 1 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 1/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 0/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1610 variables, 0/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1060 constraints, problems are : Problem set: 0 solved, 1 unsolved in 763 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1201ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 89 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 157 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 157 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 205 ms. (194 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 443850 steps, run timeout after 3001 ms. (steps per millisecond=147 ) properties seen :0 out of 1
Probabilistic random walk after 443850 steps, saw 292601 distinct states, run finished after 3001 ms. (steps per millisecond=147 ) properties seen :0
[2025-06-01 02:38:32] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:38:32] [INFO ] Invariant cache hit.
[2025-06-01 02:38:32] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 432 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:38:33] [INFO ] Deduced a trap composed of 103 places in 386 ms of which 3 ms to minimize.
[2025-06-01 02:38:34] [INFO ] Deduced a trap composed of 112 places in 387 ms of which 3 ms to minimize.
[2025-06-01 02:38:34] [INFO ] Deduced a trap composed of 84 places in 393 ms of which 4 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/672 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1061 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:38:34] [INFO ] Deduced a trap composed of 3 places in 98 ms of which 1 ms to minimize.
[2025-06-01 02:38:34] [INFO ] Deduced a trap composed of 3 places in 61 ms of which 1 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 2/1063 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 0/1063 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1610 variables, 0/1063 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1063 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2003 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 2450ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 71 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 118 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 118 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 116 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-06-01 02:38:35] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:38:35] [INFO ] Invariant cache hit.
[2025-06-01 02:38:35] [INFO ] Implicit Places using invariants in 653 ms returned []
[2025-06-01 02:38:35] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:38:35] [INFO ] Invariant cache hit.
[2025-06-01 02:38:36] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-06-01 02:38:39] [INFO ] Implicit Places using invariants and state equation in 3715 ms returned []
Implicit Place search using SMT with State Equation took 4375 ms to find 0 implicit places.
[2025-06-01 02:38:39] [INFO ] Redundant transitions in 123 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-06-01 02:38:39] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:38:39] [INFO ] Invariant cache hit.
[2025-06-01 02:38:39] [INFO ] State equation strengthened by 436 read => feed constraints.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 timeout
1.0)
(s2 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 32687ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 32719ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37349 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 0 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 0 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 31 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 231 rows 71 cols
[2025-06-01 02:39:12] [INFO ] Computed 21 invariants in 1 ms
[2025-06-01 02:39:12] [INFO ] After 37ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 02:39:12] [INFO ] [Nat]Absence check using 21 positive place invariants in 3 ms returned sat
[2025-06-01 02:39:12] [INFO ] After 43ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 02:39:12] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-01 02:39:12] [INFO ] After 5ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 02:39:12] [INFO ] After 14ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 02:39:12] [INFO ] After 103ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 187 ms.
RANDOM walk for 40000 steps (8 resets) in 275 ms. (144 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 442112 steps, run timeout after 3001 ms. (steps per millisecond=147 ) properties seen :0 out of 1
Probabilistic random walk after 442112 steps, saw 291382 distinct states, run finished after 3001 ms. (steps per millisecond=147 ) properties seen :0
[2025-06-01 02:39:15] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
// Phase 1: matrix 1020 rows 590 cols
[2025-06-01 02:39:15] [INFO ] Computed 31 invariants in 8 ms
[2025-06-01 02:39:15] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 454 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:39:16] [INFO ] Deduced a trap composed of 101 places in 389 ms of which 3 ms to minimize.
[2025-06-01 02:39:17] [INFO ] Deduced a trap composed of 58 places in 383 ms of which 3 ms to minimize.
[2025-06-01 02:39:17] [INFO ] Deduced a trap composed of 118 places in 404 ms of which 3 ms to minimize.
[2025-06-01 02:39:18] [INFO ] Deduced a trap composed of 104 places in 349 ms of which 3 ms to minimize.
[2025-06-01 02:39:18] [INFO ] Deduced a trap composed of 115 places in 368 ms of which 4 ms to minimize.
[2025-06-01 02:39:18] [INFO ] Deduced a trap composed of 113 places in 362 ms of which 3 ms to minimize.
[2025-06-01 02:39:19] [INFO ] Deduced a trap composed of 106 places in 369 ms of which 3 ms to minimize.
[2025-06-01 02:39:19] [INFO ] Deduced a trap composed of 106 places in 365 ms of which 3 ms to minimize.
[2025-06-01 02:39:20] [INFO ] Deduced a trap composed of 94 places in 400 ms of which 4 ms to minimize.
[2025-06-01 02:39:20] [INFO ] Deduced a trap composed of 85 places in 385 ms of which 3 ms to minimize.
[2025-06-01 02:39:20] [INFO ] Deduced a trap composed of 55 places in 355 ms of which 3 ms to minimize.
[2025-06-01 02:39:21] [INFO ] Deduced a trap composed of 119 places in 360 ms of which 4 ms to minimize.
[2025-06-01 02:39:21] [INFO ] Deduced a trap composed of 95 places in 360 ms of which 3 ms to minimize.
SMT process timed out in 5718ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 117 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 117 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 212 ms. (187 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 444312 steps, run timeout after 3001 ms. (steps per millisecond=148 ) properties seen :0 out of 1
Probabilistic random walk after 444312 steps, saw 292825 distinct states, run finished after 3001 ms. (steps per millisecond=148 ) properties seen :0
[2025-06-01 02:39:24] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:39:24] [INFO ] Invariant cache hit.
[2025-06-01 02:39:24] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 399 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 630/1610 variables, 414/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 389/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:39:25] [INFO ] Deduced a trap composed of 3 places in 61 ms of which 0 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 1/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1059 constraints, problems are : Problem set: 0 solved, 1 unsolved in 674 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1091ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 84 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 115 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 115 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 119 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-06-01 02:39:26] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:39:26] [INFO ] Invariant cache hit.
[2025-06-01 02:39:26] [INFO ] Implicit Places using invariants in 633 ms returned []
[2025-06-01 02:39:26] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:39:26] [INFO ] Invariant cache hit.
[2025-06-01 02:39:27] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-06-01 02:39:30] [INFO ] Implicit Places using invariants and state equation in 3651 ms returned []
Implicit Place search using SMT with State Equation took 4285 ms to find 0 implicit places.
[2025-06-01 02:39:30] [INFO ] Redundant transitions in 130 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-06-01 02:39:30] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:39:30] [INFO ] Invariant cache hit.
[2025-06-01 02:39:30] [INFO ] State equation strengthened by 436 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 32715ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 32746ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37298 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 1 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 1 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 31 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 231 rows 71 cols
[2025-06-01 02:40:03] [INFO ] Computed 21 invariants in 2 ms
[2025-06-01 02:40:03] [INFO ] After 26ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 02:40:03] [INFO ] [Nat]Absence check using 21 positive place invariants in 3 ms returned sat
[2025-06-01 02:40:03] [INFO ] After 46ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 02:40:03] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-01 02:40:03] [INFO ] After 6ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 02:40:03] [INFO ] After 15ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 02:40:03] [INFO ] After 96ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 166 ms.
RANDOM walk for 40000 steps (8 resets) in 190 ms. (209 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 444004 steps, run timeout after 3001 ms. (steps per millisecond=147 ) properties seen :0 out of 1
Probabilistic random walk after 444004 steps, saw 292669 distinct states, run finished after 3002 ms. (steps per millisecond=147 ) properties seen :0
[2025-06-01 02:40:06] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
// Phase 1: matrix 1020 rows 590 cols
[2025-06-01 02:40:06] [INFO ] Computed 31 invariants in 7 ms
[2025-06-01 02:40:06] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 436 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:40:07] [INFO ] Deduced a trap composed of 23 places in 93 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1059 constraints, problems are : Problem set: 0 solved, 1 unsolved in 661 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1123ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 91 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 118 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 119 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 261 ms. (152 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 439098 steps, run timeout after 3001 ms. (steps per millisecond=146 ) properties seen :0 out of 1
Probabilistic random walk after 439098 steps, saw 289601 distinct states, run finished after 3001 ms. (steps per millisecond=146 ) properties seen :0
[2025-06-01 02:40:11] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:40:11] [INFO ] Invariant cache hit.
[2025-06-01 02:40:11] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 428 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 630/1610 variables, 414/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 389/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:40:12] [INFO ] Deduced a trap composed of 3 places in 69 ms of which 0 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 1/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1059 constraints, problems are : Problem set: 0 solved, 1 unsolved in 661 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1109ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 69 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 114 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 115 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 122 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-06-01 02:40:12] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:40:12] [INFO ] Invariant cache hit.
[2025-06-01 02:40:13] [INFO ] Implicit Places using invariants in 653 ms returned []
[2025-06-01 02:40:13] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:40:13] [INFO ] Invariant cache hit.
[2025-06-01 02:40:13] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-06-01 02:40:16] [INFO ] Implicit Places using invariants and state equation in 3269 ms returned []
Implicit Place search using SMT with State Equation took 3923 ms to find 0 implicit places.
[2025-06-01 02:40:16] [INFO ] Redundant transitions in 123 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-06-01 02:40:16] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:40:16] [INFO ] Invariant cache hit.
[2025-06-01 02:40:16] [INFO ] State equation strengthened by 436 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 32650ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 32681ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36864 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 0 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 1 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 26 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 231 rows 71 cols
[2025-06-01 02:40:49] [INFO ] Computed 21 invariants in 2 ms
[2025-06-01 02:40:49] [INFO ] After 29ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 02:40:49] [INFO ] [Nat]Absence check using 21 positive place invariants in 3 ms returned sat
[2025-06-01 02:40:49] [INFO ] After 40ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 02:40:49] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-01 02:40:49] [INFO ] After 6ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 02:40:49] [INFO ] After 14ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 02:40:49] [INFO ] After 85ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 147 ms.
RANDOM walk for 40000 steps (8 resets) in 190 ms. (209 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 442563 steps, run timeout after 3001 ms. (steps per millisecond=147 ) properties seen :0 out of 1
Probabilistic random walk after 442563 steps, saw 291703 distinct states, run finished after 3001 ms. (steps per millisecond=147 ) properties seen :0
[2025-06-01 02:40:52] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
// Phase 1: matrix 1020 rows 590 cols
[2025-06-01 02:40:52] [INFO ] Computed 31 invariants in 8 ms
[2025-06-01 02:40:52] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 392 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:40:53] [INFO ] Deduced a trap composed of 72 places in 371 ms of which 3 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:40:53] [INFO ] Deduced a trap composed of 3 places in 88 ms of which 1 ms to minimize.
[2025-06-01 02:40:53] [INFO ] Deduced a trap composed of 3 places in 72 ms of which 1 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 2/1061 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 0/1061 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1610 variables, 0/1061 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1061 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1202 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 1624ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 116 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 144 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 145 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 184 ms. (216 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 430342 steps, run timeout after 3001 ms. (steps per millisecond=143 ) properties seen :0 out of 1
Probabilistic random walk after 430342 steps, saw 284373 distinct states, run finished after 3001 ms. (steps per millisecond=143 ) properties seen :0
[2025-06-01 02:40:57] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:40:57] [INFO ] Invariant cache hit.
[2025-06-01 02:40:57] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 447 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:40:58] [INFO ] Deduced a trap composed of 27 places in 397 ms of which 4 ms to minimize.
[2025-06-01 02:40:58] [INFO ] Deduced a trap composed of 93 places in 402 ms of which 4 ms to minimize.
[2025-06-01 02:40:59] [INFO ] Deduced a trap composed of 91 places in 414 ms of which 4 ms to minimize.
[2025-06-01 02:40:59] [INFO ] Deduced a trap composed of 110 places in 407 ms of which 4 ms to minimize.
[2025-06-01 02:41:00] [INFO ] Deduced a trap composed of 84 places in 404 ms of which 3 ms to minimize.
[2025-06-01 02:41:00] [INFO ] Deduced a trap composed of 99 places in 386 ms of which 3 ms to minimize.
[2025-06-01 02:41:00] [INFO ] Deduced a trap composed of 90 places in 351 ms of which 3 ms to minimize.
[2025-06-01 02:41:01] [INFO ] Deduced a trap composed of 76 places in 354 ms of which 3 ms to minimize.
[2025-06-01 02:41:01] [INFO ] Deduced a trap composed of 76 places in 340 ms of which 3 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 9/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/678 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1067 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:41:02] [INFO ] Deduced a trap composed of 3 places in 128 ms of which 1 ms to minimize.
[2025-06-01 02:41:02] [INFO ] Deduced a trap composed of 3 places in 102 ms of which 1 ms to minimize.
[2025-06-01 02:41:02] [INFO ] Deduced a trap composed of 3 places in 71 ms of which 1 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 3/1070 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 0/1070 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1610 variables, 0/1070 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1070 constraints, problems are : Problem set: 0 solved, 1 unsolved in 4598 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 12/12 constraints]
After SMT, in 5065ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 115 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 113 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 114 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 113 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-06-01 02:41:02] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:41:02] [INFO ] Invariant cache hit.
[2025-06-01 02:41:03] [INFO ] Implicit Places using invariants in 700 ms returned []
[2025-06-01 02:41:03] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:41:03] [INFO ] Invariant cache hit.
[2025-06-01 02:41:03] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-06-01 02:41:07] [INFO ] Implicit Places using invariants and state equation in 3519 ms returned []
Implicit Place search using SMT with State Equation took 4221 ms to find 0 implicit places.
[2025-06-01 02:41:07] [INFO ] Redundant transitions in 130 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-06-01 02:41:07] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:41:07] [INFO ] Invariant cache hit.
[2025-06-01 02:41:07] [INFO ] State equation strengthened by 436 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 33217ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 33255ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37739 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 1 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 1 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 27 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 231 rows 71 cols
[2025-06-01 02:41:40] [INFO ] Computed 21 invariants in 1 ms
[2025-06-01 02:41:40] [INFO ] After 26ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 02:41:40] [INFO ] [Nat]Absence check using 21 positive place invariants in 3 ms returned sat
[2025-06-01 02:41:40] [INFO ] After 46ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 02:41:40] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-01 02:41:40] [INFO ] After 14ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 02:41:40] [INFO ] After 26ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 02:41:40] [INFO ] After 109ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 167 ms.
RANDOM walk for 40000 steps (8 resets) in 223 ms. (178 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 449031 steps, run timeout after 3001 ms. (steps per millisecond=149 ) properties seen :0 out of 1
Probabilistic random walk after 449031 steps, saw 295803 distinct states, run finished after 3001 ms. (steps per millisecond=149 ) properties seen :0
[2025-06-01 02:41:43] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
// Phase 1: matrix 1020 rows 590 cols
[2025-06-01 02:41:43] [INFO ] Computed 31 invariants in 7 ms
[2025-06-01 02:41:43] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 425 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:41:44] [INFO ] Deduced a trap composed of 25 places in 85 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1059 constraints, problems are : Problem set: 0 solved, 1 unsolved in 645 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1096ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 114 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 112 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 113 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 290 ms. (137 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 446237 steps, run timeout after 3001 ms. (steps per millisecond=148 ) properties seen :0 out of 1
Probabilistic random walk after 446237 steps, saw 294103 distinct states, run finished after 3001 ms. (steps per millisecond=148 ) properties seen :0
[2025-06-01 02:41:48] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:41:48] [INFO ] Invariant cache hit.
[2025-06-01 02:41:48] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 424 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:41:49] [INFO ] Deduced a trap composed of 125 places in 397 ms of which 4 ms to minimize.
[2025-06-01 02:41:49] [INFO ] Deduced a trap composed of 160 places in 372 ms of which 3 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 2/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/671 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1060 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1372 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1814ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 118 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 114 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 114 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 114 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-06-01 02:41:50] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:41:50] [INFO ] Invariant cache hit.
[2025-06-01 02:41:50] [INFO ] Implicit Places using invariants in 643 ms returned []
[2025-06-01 02:41:50] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:41:50] [INFO ] Invariant cache hit.
[2025-06-01 02:41:51] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-06-01 02:41:54] [INFO ] Implicit Places using invariants and state equation in 3640 ms returned []
Implicit Place search using SMT with State Equation took 4284 ms to find 0 implicit places.
[2025-06-01 02:41:54] [INFO ] Redundant transitions in 128 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-06-01 02:41:54] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:41:54] [INFO ] Invariant cache hit.
[2025-06-01 02:41:54] [INFO ] State equation strengthened by 436 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 32558ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 32588ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37130 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 0 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 0 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 27 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 231 rows 71 cols
[2025-06-01 02:42:27] [INFO ] Computed 21 invariants in 2 ms
[2025-06-01 02:42:27] [INFO ] After 23ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 02:42:27] [INFO ] [Nat]Absence check using 21 positive place invariants in 3 ms returned sat
[2025-06-01 02:42:27] [INFO ] After 41ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 02:42:27] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-01 02:42:27] [INFO ] After 12ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 02:42:27] [INFO ] After 23ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 02:42:27] [INFO ] After 102ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 160 ms.
RANDOM walk for 40000 steps (8 resets) in 376 ms. (106 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 447315 steps, run timeout after 3001 ms. (steps per millisecond=149 ) properties seen :0 out of 1
Probabilistic random walk after 447315 steps, saw 294793 distinct states, run finished after 3001 ms. (steps per millisecond=149 ) properties seen :0
[2025-06-01 02:42:30] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
// Phase 1: matrix 1020 rows 590 cols
[2025-06-01 02:42:30] [INFO ] Computed 31 invariants in 5 ms
[2025-06-01 02:42:30] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 427 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 630/1610 variables, 414/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 389/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:42:31] [INFO ] Deduced a trap composed of 3 places in 61 ms of which 1 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 1/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1059 constraints, problems are : Problem set: 0 solved, 1 unsolved in 600 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 1049ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 47 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=23 )
Parikh walk visited 1 properties in 1 ms.
RANDOM walk for 40000 steps (8 resets) in 188 ms. (211 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 442497 steps, run timeout after 3001 ms. (steps per millisecond=147 ) properties seen :0 out of 1
Probabilistic random walk after 442497 steps, saw 291662 distinct states, run finished after 3001 ms. (steps per millisecond=147 ) properties seen :0
[2025-06-01 02:42:34] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-06-01 02:42:34] [INFO ] Invariant cache hit.
[2025-06-01 02:42:34] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 418 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:42:35] [INFO ] Deduced a trap composed of 83 places in 374 ms of which 3 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-01 02:42:36] [INFO ] Deduced a trap composed of 3 places in 69 ms of which 0 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 1/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 0/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1610 variables, 0/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1060 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1060 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 1497ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 56 steps, including 1 resets, run visited all 1 properties in 1 ms. (steps per millisecond=56 )
Parikh walk visited 1 properties in 1 ms.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3506 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 3 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 114 transitions
Trivial Post-agglo rules discarded 114 transitions
Performed 114 trivial Post agglomeration. Transition count delta: 114
Iterating post reduction 0 with 114 rules applied. Total rules applied 115 place count 500 transition count 636
Reduce places removed 114 places and 0 transitions.
Iterating post reduction 1 with 114 rules applied. Total rules applied 229 place count 386 transition count 636
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 229 place count 386 transition count 615
Deduced a syphon composed of 21 places in 0 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 281 place count 355 transition count 615
Performed 163 Post agglomeration using F-continuation condition.Transition count delta: 163
Deduced a syphon composed of 163 places in 0 ms
Reduce places removed 163 places and 0 transitions.
Iterating global reduction 2 with 326 rules applied. Total rules applied 607 place count 192 transition count 452
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Iterating post reduction 2 with 80 rules applied. Total rules applied 687 place count 192 transition count 372
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 707 place count 182 transition count 372
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 717 place count 182 transition count 362
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 4 with 15 rules applied. Total rules applied 732 place count 182 transition count 347
Free-agglomeration rule applied 95 times.
Iterating global reduction 4 with 95 rules applied. Total rules applied 827 place count 182 transition count 252
Reduce places removed 95 places and 0 transitions.
Iterating post reduction 4 with 95 rules applied. Total rules applied 922 place count 87 transition count 252
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 932 place count 87 transition count 252
Applied a total of 932 rules in 33 ms. Remains 87 /590 variables (removed 503) and now considering 252/3890 (removed 3638) transitions.
Running SMT prover for 17 properties.
// Phase 1: matrix 252 rows 87 cols
[2025-06-01 02:42:36] [INFO ] Computed 21 invariants in 2 ms
[2025-06-01 02:42:36] [INFO ] After 55ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:17
[2025-06-01 02:42:36] [INFO ] [Nat]Absence check using 21 positive place invariants in 4 ms returned sat
[2025-06-01 02:42:36] [INFO ] After 139ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :17
[2025-06-01 02:42:36] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-01 02:42:36] [INFO ] After 97ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :17
TRAPS : Iteration 0
[2025-06-01 02:42:36] [INFO ] After 261ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :17
[2025-06-01 02:42:36] [INFO ] After 597ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :17
Over-approximation ignoring read arcs solved 0 properties in 692 ms.
Unable to solve all queries for examination StableMarking. Remains :17 assertions to prove.
No /home/mcc/execution/StableMarking.xml examination file found. Proceeding without properties.
Parsed 17 properties from file /home/mcc/execution/StableMarking.xml in 2 ms.
Working with output stream class java.io.PrintStream
Total runtime 926779 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------
Running EisenbergMcGuire-PT-10
IS_COLORED=
IS_NUPN=1
LOADING model.pnml ...
MODEL CLASS: P/T NET WITH NUPN EXTENSION
PLACES: 1090
TRANSITIONS: 5200
CONSTANTS: 0
TEMPLATE VARS: 0
ARCS: 25400
NUPN UNITS: 25
LOADING TIME: 3.127
SAVING AS /home/mcc/execution/model.(net/def) ...
exportGspn useExt=true
SAVING TIME: 0.128
SAVING NAME MAP FILE /home/mcc/execution/model.id2name ...
SAVING NUPN UNITS AS FILE /home/mcc/execution/model.nu ...
TOTAL TIME: 3.709
OK.
----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES
Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net
Process ID: 2081
MODEL NAME: /home/mcc/execution/model
1090 places, 5200 transitions.
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
BK_TIME_CONFINEMENT_REACHED
--------------------
content from stderr:
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination StableMarking -timeout 180 -rebuildPNML
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="EisenbergMcGuire-PT-10"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="gold2024"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool gold2024"
echo " Input is EisenbergMcGuire-PT-10, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r084-tall-174860080800508"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/EisenbergMcGuire-PT-10.tgz
mv EisenbergMcGuire-PT-10 execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.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 '
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;