About the Execution of GreatSPN+red for DNAwalker-PT-08ringLL
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 683.027 | 2514094.00 | 2588462.00 | 8124.30 | 2 2 2 2 2 1 2 2 1 2 2 2 2 2 2 2 | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2024-input.r113-smll-171624274900429.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is DNAwalker-PT-08ringLL, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r113-smll-171624274900429
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 608K
-rw-r--r-- 1 mcc users 7.2K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 33K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 22 14:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 22 14:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 22 14:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 13 13:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 136K Apr 13 13:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Apr 13 13:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 109K Apr 13 13:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:39 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 9 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 112K May 18 16:42 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME DNAwalker-PT-08ringLL-UpperBounds-00
FORMULA_NAME DNAwalker-PT-08ringLL-UpperBounds-01
FORMULA_NAME DNAwalker-PT-08ringLL-UpperBounds-02
FORMULA_NAME DNAwalker-PT-08ringLL-UpperBounds-03
FORMULA_NAME DNAwalker-PT-08ringLL-UpperBounds-04
FORMULA_NAME DNAwalker-PT-08ringLL-UpperBounds-05
FORMULA_NAME DNAwalker-PT-08ringLL-UpperBounds-06
FORMULA_NAME DNAwalker-PT-08ringLL-UpperBounds-07
FORMULA_NAME DNAwalker-PT-08ringLL-UpperBounds-08
FORMULA_NAME DNAwalker-PT-08ringLL-UpperBounds-09
FORMULA_NAME DNAwalker-PT-08ringLL-UpperBounds-10
FORMULA_NAME DNAwalker-PT-08ringLL-UpperBounds-11
FORMULA_NAME DNAwalker-PT-08ringLL-UpperBounds-12
FORMULA_NAME DNAwalker-PT-08ringLL-UpperBounds-13
FORMULA_NAME DNAwalker-PT-08ringLL-UpperBounds-14
FORMULA_NAME DNAwalker-PT-08ringLL-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1716490425964
Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DNAwalker-PT-08ringLL
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-23 18:53:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-23 18:53:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-23 18:53:48] [INFO ] Load time of PNML (sax parser for PT used): 156 ms
[2024-05-23 18:53:48] [INFO ] Transformed 27 places.
[2024-05-23 18:53:48] [INFO ] Transformed 260 transitions.
[2024-05-23 18:53:48] [INFO ] Parsed PT model containing 27 places and 260 transitions and 760 arcs in 372 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 15 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 18:53:48] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
// Phase 1: matrix 259 rows 27 cols
[2024-05-23 18:53:48] [INFO ] Computed 0 invariants in 25 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 10000 steps (814 resets) in 133 ms. (74 steps per ms)
BEST_FIRST walk for 160015 steps (1053 resets) in 366 ms. (436 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 1, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 18:53:49] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2024-05-23 18:53:49] [INFO ] Invariant cache hit.
[2024-05-23 18:53:49] [INFO ] [Real]Absence check using state equation in 174 ms returned sat
[2024-05-23 18:53:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:53:50] [INFO ] [Nat]Absence check using state equation in 629 ms returned unknown
[2024-05-23 18:53:50] [INFO ] [Real]Absence check using state equation in 348 ms returned sat
[2024-05-23 18:53:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:53:51] [INFO ] [Nat]Absence check using state equation in 652 ms returned unknown
[2024-05-23 18:53:51] [INFO ] [Real]Absence check using state equation in 111 ms returned sat
[2024-05-23 18:53:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:53:52] [INFO ] [Nat]Absence check using state equation in 594 ms returned unknown
[2024-05-23 18:53:52] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2024-05-23 18:53:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:53:53] [INFO ] [Nat]Absence check using state equation in 600 ms returned unknown
[2024-05-23 18:53:53] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2024-05-23 18:53:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:53:53] [INFO ] [Nat]Absence check using state equation in 582 ms returned unknown
[2024-05-23 18:53:53] [INFO ] [Real]Absence check using state equation in 55 ms returned unsat
[2024-05-23 18:53:54] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-05-23 18:53:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:53:54] [INFO ] [Nat]Absence check using state equation in 559 ms returned unknown
[2024-05-23 18:53:54] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2024-05-23 18:53:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:53:55] [INFO ] [Nat]Absence check using state equation in 583 ms returned unknown
[2024-05-23 18:53:55] [INFO ] [Real]Absence check using state equation in 65 ms returned unsat
[2024-05-23 18:53:55] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-05-23 18:53:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:53:56] [INFO ] [Nat]Absence check using state equation in 575 ms returned unknown
[2024-05-23 18:53:56] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2024-05-23 18:53:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:53:56] [INFO ] [Nat]Absence check using state equation in 575 ms returned unknown
[2024-05-23 18:53:57] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2024-05-23 18:53:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:53:57] [INFO ] [Nat]Absence check using state equation in 566 ms returned unknown
[2024-05-23 18:53:57] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2024-05-23 18:53:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:53:58] [INFO ] [Nat]Absence check using state equation in 552 ms returned unknown
[2024-05-23 18:53:58] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2024-05-23 18:53:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:53:59] [INFO ] [Nat]Absence check using state equation in 563 ms returned unknown
[2024-05-23 18:53:59] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2024-05-23 18:53:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:53:59] [INFO ] [Nat]Absence check using state equation in 571 ms returned unknown
[2024-05-23 18:53:59] [INFO ] [Real]Absence check using state equation in 87 ms returned sat
[2024-05-23 18:53:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:54:00] [INFO ] [Nat]Absence check using state equation in 580 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 1, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, 1, +inf, +inf, 1, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
FORMULA DNAwalker-PT-08ringLL-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-08ringLL-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 27 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 27/27 places, 260/260 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 27 transition count 252
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 26 transition count 251
Applied a total of 9 rules in 84 ms. Remains 26 /27 variables (removed 1) and now considering 251/260 (removed 9) transitions.
Running 231 sub problems to find dead transitions.
// Phase 1: matrix 251 rows 26 cols
[2024-05-23 18:54:00] [INFO ] Computed 0 invariants in 9 ms
[2024-05-23 18:54:00] [INFO ] State equation strengthened by 60 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 1 (OVERLAPS) 251/272 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/272 variables, 60/81 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 4 (OVERLAPS) 5/277 variables, 5/86 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/277 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 6 (OVERLAPS) 0/277 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 231 unsolved
No progress, stopping.
After SMT solving in domain Real declared 277/277 variables, and 86 constraints, problems are : Problem set: 0 solved, 231 unsolved in 13879 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 231/231 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 231 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 1 (OVERLAPS) 251/272 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/272 variables, 60/81 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 231/312 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/272 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 5 (OVERLAPS) 5/277 variables, 5/317 constraints. Problems are: Problem set: 0 solved, 231 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 277/277 variables, and 317 constraints, problems are : Problem set: 0 solved, 231 unsolved in 20037 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 231/231 constraints, Known Traps: 0/0 constraints]
After SMT, in 34728ms problems are : Problem set: 0 solved, 231 unsolved
Search for dead transitions found 0 dead transitions in 34763ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34884 ms. Remains : 26/27 places, 251/260 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 18:54:35] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (84285 resets) in 3850 ms. (259 steps per ms)
BEST_FIRST walk for 14000013 steps (124179 resets) in 9680 ms. (1446 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 18:54:49] [INFO ] Invariant cache hit.
[2024-05-23 18:54:49] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2024-05-23 18:54:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:54:53] [INFO ] [Nat]Absence check using state equation in 4582 ms returned unknown
[2024-05-23 18:54:53] [INFO ] [Real]Absence check using state equation in 134 ms returned sat
[2024-05-23 18:54:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:54:58] [INFO ] [Nat]Absence check using state equation in 4577 ms returned unknown
[2024-05-23 18:54:58] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-05-23 18:54:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:55:03] [INFO ] [Nat]Absence check using state equation in 4548 ms returned unknown
[2024-05-23 18:55:03] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-05-23 18:55:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:55:07] [INFO ] [Nat]Absence check using state equation in 4568 ms returned unknown
[2024-05-23 18:55:07] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-05-23 18:55:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:55:12] [INFO ] [Nat]Absence check using state equation in 4549 ms returned unknown
[2024-05-23 18:55:12] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-05-23 18:55:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:55:17] [INFO ] [Nat]Absence check using state equation in 4549 ms returned unknown
[2024-05-23 18:55:17] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2024-05-23 18:55:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:55:21] [INFO ] [Nat]Absence check using state equation in 4564 ms returned unknown
[2024-05-23 18:55:21] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2024-05-23 18:55:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:55:26] [INFO ] [Nat]Absence check using state equation in 4562 ms returned unknown
[2024-05-23 18:55:26] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2024-05-23 18:55:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:55:31] [INFO ] [Nat]Absence check using state equation in 4563 ms returned unknown
[2024-05-23 18:55:31] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2024-05-23 18:55:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:55:35] [INFO ] [Nat]Absence check using state equation in 4566 ms returned unknown
[2024-05-23 18:55:36] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-05-23 18:55:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:55:40] [INFO ] [Nat]Absence check using state equation in 4562 ms returned unknown
[2024-05-23 18:55:40] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2024-05-23 18:55:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:55:45] [INFO ] [Nat]Absence check using state equation in 4564 ms returned unknown
[2024-05-23 18:55:45] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-05-23 18:55:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:55:50] [INFO ] [Nat]Absence check using state equation in 4548 ms returned unknown
[2024-05-23 18:55:50] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2024-05-23 18:55:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:55:54] [INFO ] [Nat]Absence check using state equation in 4562 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Applied a total of 0 rules in 17 ms. Remains 26 /26 variables (removed 0) and now considering 251/251 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 26/26 places, 251/251 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Applied a total of 0 rules in 13 ms. Remains 26 /26 variables (removed 0) and now considering 251/251 (removed 0) transitions.
[2024-05-23 18:55:54] [INFO ] Invariant cache hit.
[2024-05-23 18:55:54] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-05-23 18:55:54] [INFO ] Invariant cache hit.
[2024-05-23 18:55:54] [INFO ] State equation strengthened by 60 read => feed constraints.
[2024-05-23 18:55:55] [INFO ] Implicit Places using invariants and state equation in 267 ms returned []
Implicit Place search using SMT with State Equation took 335 ms to find 0 implicit places.
[2024-05-23 18:55:55] [INFO ] Redundant transitions in 21 ms returned []
Running 231 sub problems to find dead transitions.
[2024-05-23 18:55:55] [INFO ] Invariant cache hit.
[2024-05-23 18:55:55] [INFO ] State equation strengthened by 60 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 1 (OVERLAPS) 251/272 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/272 variables, 60/81 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 4 (OVERLAPS) 5/277 variables, 5/86 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/277 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 6 (OVERLAPS) 0/277 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 231 unsolved
No progress, stopping.
After SMT solving in domain Real declared 277/277 variables, and 86 constraints, problems are : Problem set: 0 solved, 231 unsolved in 14680 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 231/231 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 231 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 1 (OVERLAPS) 251/272 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/272 variables, 60/81 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 231/312 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/272 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 5 (OVERLAPS) 5/277 variables, 5/317 constraints. Problems are: Problem set: 0 solved, 231 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 277/277 variables, and 317 constraints, problems are : Problem set: 0 solved, 231 unsolved in 30019 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 231/231 constraints, Known Traps: 0/0 constraints]
After SMT, in 45227ms problems are : Problem set: 0 solved, 231 unsolved
Search for dead transitions found 0 dead transitions in 45235ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45613 ms. Remains : 26/26 places, 251/251 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (3357 resets) in 1668 ms. (23 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (260 resets) in 267 ms. (149 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (270 resets) in 204 ms. (195 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (972 resets) in 224 ms. (177 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (241 resets) in 148 ms. (268 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (972 resets) in 213 ms. (186 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (242 resets) in 45 ms. (869 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (261 resets) in 67 ms. (588 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (254 resets) in 52 ms. (754 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (270 resets) in 71 ms. (555 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (205 resets) in 48 ms. (816 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (255 resets) in 81 ms. (487 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (255 resets) in 80 ms. (493 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (267 resets) in 45 ms. (869 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (211 resets) in 60 ms. (655 steps per ms) remains 14/14 properties
Interrupted probabilistic random walk after 543094 steps, run timeout after 3001 ms. (steps per millisecond=180 ) properties seen :0 out of 14
Probabilistic random walk after 543094 steps, saw 105540 distinct states, run finished after 3010 ms. (steps per millisecond=180 ) properties seen :0
[2024-05-23 18:56:44] [INFO ] Invariant cache hit.
[2024-05-23 18:56:44] [INFO ] State equation strengthened by 60 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 221/235 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/235 variables, 60/74 constraints. Problems are: Problem set: 0 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/235 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 42/277 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/277 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/277 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 277/277 variables, and 86 constraints, problems are : Problem set: 0 solved, 14 unsolved in 723 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 221/235 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/235 variables, 60/74 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/235 variables, 2/76 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/235 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 277/277 variables, and 88 constraints, problems are : Problem set: 0 solved, 14 unsolved in 5008 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 2/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 5747ms problems are : Problem set: 0 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 14 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Applied a total of 0 rules in 9 ms. Remains 26 /26 variables (removed 0) and now considering 251/251 (removed 0) transitions.
Running 231 sub problems to find dead transitions.
[2024-05-23 18:56:50] [INFO ] Invariant cache hit.
[2024-05-23 18:56:50] [INFO ] State equation strengthened by 60 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 1 (OVERLAPS) 251/272 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/272 variables, 60/81 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 4 (OVERLAPS) 5/277 variables, 5/86 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/277 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 6 (OVERLAPS) 0/277 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 231 unsolved
No progress, stopping.
After SMT solving in domain Real declared 277/277 variables, and 86 constraints, problems are : Problem set: 0 solved, 231 unsolved in 13844 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 231/231 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 231 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 1 (OVERLAPS) 251/272 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/272 variables, 60/81 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 231/312 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/272 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 5 (OVERLAPS) 5/277 variables, 5/317 constraints. Problems are: Problem set: 0 solved, 231 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 277/277 variables, and 317 constraints, problems are : Problem set: 0 solved, 231 unsolved in 20027 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 231/231 constraints, Known Traps: 0/0 constraints]
After SMT, in 34069ms problems are : Problem set: 0 solved, 231 unsolved
Search for dead transitions found 0 dead transitions in 34074ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34085 ms. Remains : 26/26 places, 251/251 transitions.
RANDOM walk for 40000 steps (3364 resets) in 347 ms. (114 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (259 resets) in 54 ms. (727 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (265 resets) in 56 ms. (701 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (972 resets) in 69 ms. (571 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (247 resets) in 55 ms. (714 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (972 resets) in 68 ms. (579 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (244 resets) in 53 ms. (740 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (274 resets) in 72 ms. (547 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (255 resets) in 54 ms. (727 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (270 resets) in 56 ms. (701 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (207 resets) in 50 ms. (784 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (247 resets) in 54 ms. (727 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (253 resets) in 61 ms. (645 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (271 resets) in 54 ms. (727 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (213 resets) in 54 ms. (727 steps per ms) remains 14/14 properties
Interrupted probabilistic random walk after 505644 steps, run timeout after 3001 ms. (steps per millisecond=168 ) properties seen :0 out of 14
Probabilistic random walk after 505644 steps, saw 98854 distinct states, run finished after 3002 ms. (steps per millisecond=168 ) properties seen :0
[2024-05-23 18:57:27] [INFO ] Invariant cache hit.
[2024-05-23 18:57:27] [INFO ] State equation strengthened by 60 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 221/235 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/235 variables, 60/74 constraints. Problems are: Problem set: 0 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/235 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 42/277 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/277 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/277 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 277/277 variables, and 86 constraints, problems are : Problem set: 0 solved, 14 unsolved in 800 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 221/235 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/235 variables, 60/74 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/235 variables, 2/76 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/235 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 277/277 variables, and 88 constraints, problems are : Problem set: 0 solved, 14 unsolved in 45015 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 2/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 45836ms problems are : Problem set: 0 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 14 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Applied a total of 0 rules in 11 ms. Remains 26 /26 variables (removed 0) and now considering 251/251 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 26/26 places, 251/251 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Applied a total of 0 rules in 8 ms. Remains 26 /26 variables (removed 0) and now considering 251/251 (removed 0) transitions.
[2024-05-23 18:58:13] [INFO ] Invariant cache hit.
[2024-05-23 18:58:13] [INFO ] Implicit Places using invariants in 44 ms returned []
[2024-05-23 18:58:13] [INFO ] Invariant cache hit.
[2024-05-23 18:58:13] [INFO ] State equation strengthened by 60 read => feed constraints.
[2024-05-23 18:58:14] [INFO ] Implicit Places using invariants and state equation in 293 ms returned []
Implicit Place search using SMT with State Equation took 340 ms to find 0 implicit places.
[2024-05-23 18:58:14] [INFO ] Redundant transitions in 6 ms returned []
Running 231 sub problems to find dead transitions.
[2024-05-23 18:58:14] [INFO ] Invariant cache hit.
[2024-05-23 18:58:14] [INFO ] State equation strengthened by 60 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 1 (OVERLAPS) 251/272 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/272 variables, 60/81 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 4 (OVERLAPS) 5/277 variables, 5/86 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/277 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 6 (OVERLAPS) 0/277 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 231 unsolved
No progress, stopping.
After SMT solving in domain Real declared 277/277 variables, and 86 constraints, problems are : Problem set: 0 solved, 231 unsolved in 15121 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 231/231 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 231 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 1 (OVERLAPS) 251/272 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/272 variables, 60/81 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 231/312 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/272 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 5 (OVERLAPS) 5/277 variables, 5/317 constraints. Problems are: Problem set: 0 solved, 231 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 277/277 variables, and 317 constraints, problems are : Problem set: 0 solved, 231 unsolved in 30012 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 231/231 constraints, Known Traps: 0/0 constraints]
After SMT, in 45448ms problems are : Problem set: 0 solved, 231 unsolved
Search for dead transitions found 0 dead transitions in 45453ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45817 ms. Remains : 26/26 places, 251/251 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 18:58:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (857 resets) in 29 ms. (333 steps per ms)
BEST_FIRST walk for 10001 steps (65 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 18:58:59] [INFO ] Invariant cache hit.
[2024-05-23 18:58:59] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-05-23 18:58:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:59:00] [INFO ] [Nat]Absence check using state equation in 547 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Graph (complete) has 251 edges and 26 vertex of which 25 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 25 transition count 239
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 17 place count 21 transition count 235
Applied a total of 17 rules in 49 ms. Remains 21 /26 variables (removed 5) and now considering 235/251 (removed 16) transitions.
Running 216 sub problems to find dead transitions.
// Phase 1: matrix 235 rows 21 cols
[2024-05-23 18:59:00] [INFO ] Computed 0 invariants in 3 ms
[2024-05-23 18:59:00] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 1 (OVERLAPS) 235/255 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 10/30 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/255 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 4 (OVERLAPS) 1/256 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/256 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 6 (OVERLAPS) 0/256 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
No progress, stopping.
After SMT solving in domain Real declared 256/256 variables, and 31 constraints, problems are : Problem set: 0 solved, 216 unsolved in 7262 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 216 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 1 (OVERLAPS) 235/255 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 10/30 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/255 variables, 216/246 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/255 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 5 (OVERLAPS) 1/256 variables, 1/247 constraints. Problems are: Problem set: 0 solved, 216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/256 variables, and 247 constraints, problems are : Problem set: 0 solved, 216 unsolved in 20020 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints]
After SMT, in 27477ms problems are : Problem set: 0 solved, 216 unsolved
Search for dead transitions found 0 dead transitions in 27483ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27543 ms. Remains : 21/26 places, 235/251 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 18:59:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (85285 resets) in 3375 ms. (296 steps per ms)
BEST_FIRST walk for 1000001 steps (8445 resets) in 627 ms. (1592 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 18:59:31] [INFO ] Invariant cache hit.
[2024-05-23 18:59:32] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2024-05-23 18:59:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:59:36] [INFO ] [Nat]Absence check using state equation in 4547 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 21 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 235/235 transitions.
Applied a total of 0 rules in 7 ms. Remains 21 /21 variables (removed 0) and now considering 235/235 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 21/21 places, 235/235 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 235/235 transitions.
Applied a total of 0 rules in 6 ms. Remains 21 /21 variables (removed 0) and now considering 235/235 (removed 0) transitions.
[2024-05-23 18:59:36] [INFO ] Invariant cache hit.
[2024-05-23 18:59:36] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-05-23 18:59:36] [INFO ] Invariant cache hit.
[2024-05-23 18:59:36] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-23 18:59:36] [INFO ] Implicit Places using invariants and state equation in 274 ms returned [16]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 343 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 20/21 places, 224/235 transitions.
Applied a total of 0 rules in 11 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 362 ms. Remains : 20/21 places, 224/235 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 224 rows 20 cols
[2024-05-23 18:59:37] [INFO ] Computed 0 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (54686 resets) in 2863 ms. (349 steps per ms)
BEST_FIRST walk for 1000001 steps (7297 resets) in 611 ms. (1633 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 18:59:40] [INFO ] Invariant cache hit.
[2024-05-23 18:59:40] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2024-05-23 18:59:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 18:59:45] [INFO ] [Nat]Absence check using state equation in 4542 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 8 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 6 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-23 18:59:45] [INFO ] Invariant cache hit.
[2024-05-23 18:59:45] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-23 18:59:45] [INFO ] Invariant cache hit.
[2024-05-23 18:59:45] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-23 18:59:45] [INFO ] Implicit Places using invariants and state equation in 325 ms returned []
Implicit Place search using SMT with State Equation took 386 ms to find 0 implicit places.
[2024-05-23 18:59:45] [INFO ] Redundant transitions in 6 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 18:59:45] [INFO ] Invariant cache hit.
[2024-05-23 18:59:45] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6109 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30013 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 36445ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 36451ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36860 ms. Remains : 20/20 places, 224/224 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2184 resets) in 152 ms. (261 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (290 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1558438 steps, run timeout after 3001 ms. (steps per millisecond=519 ) properties seen :0 out of 1
Probabilistic random walk after 1558438 steps, saw 302336 distinct states, run finished after 3006 ms. (steps per millisecond=518 ) properties seen :0
[2024-05-23 19:00:25] [INFO ] Invariant cache hit.
[2024-05-23 19:00:25] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 171/194 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 50/244 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 1 unsolved in 89 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 171/194 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1079 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1176ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 6 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Running 206 sub problems to find dead transitions.
[2024-05-23 19:00:26] [INFO ] Invariant cache hit.
[2024-05-23 19:00:26] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6417 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 243/244 variables, and 235 constraints, problems are : Problem set: 0 solved, 206 unsolved in 20048 ms.
Refiners :[State Equation: 19/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 26621ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 26624ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26631 ms. Remains : 20/20 places, 224/224 transitions.
RANDOM walk for 40000 steps (2191 resets) in 142 ms. (279 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (287 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1601952 steps, run timeout after 3001 ms. (steps per millisecond=533 ) properties seen :0 out of 1
Probabilistic random walk after 1601952 steps, saw 310235 distinct states, run finished after 3001 ms. (steps per millisecond=533 ) properties seen :0
[2024-05-23 19:00:56] [INFO ] Invariant cache hit.
[2024-05-23 19:00:56] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 171/194 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 50/244 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 1 unsolved in 116 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 171/194 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9078 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9200ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 9 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 4 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-23 19:01:05] [INFO ] Invariant cache hit.
[2024-05-23 19:01:05] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-23 19:01:05] [INFO ] Invariant cache hit.
[2024-05-23 19:01:05] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-23 19:01:05] [INFO ] Implicit Places using invariants and state equation in 215 ms returned []
Implicit Place search using SMT with State Equation took 269 ms to find 0 implicit places.
[2024-05-23 19:01:05] [INFO ] Redundant transitions in 4 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 19:01:05] [INFO ] Invariant cache hit.
[2024-05-23 19:01:05] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7173 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30024 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 37358ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 37360ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37648 ms. Remains : 20/20 places, 224/224 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-00 in 163393 ms.
Starting property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 251 rows 26 cols
[2024-05-23 19:01:42] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (868 resets) in 28 ms. (344 steps per ms)
BEST_FIRST walk for 10001 steps (63 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:01:42] [INFO ] Invariant cache hit.
[2024-05-23 19:01:43] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-05-23 19:01:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:01:43] [INFO ] [Nat]Absence check using state equation in 548 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Graph (complete) has 251 edges and 26 vertex of which 25 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 25 transition count 239
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 18 place count 20 transition count 234
Applied a total of 18 rules in 9 ms. Remains 20 /26 variables (removed 6) and now considering 234/251 (removed 17) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-05-23 19:01:43] [INFO ] Computed 0 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 4512 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 235 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20073 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 24799ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 24807ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24817 ms. Remains : 20/26 places, 234/251 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 19:02:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92249 resets) in 3163 ms. (316 steps per ms)
BEST_FIRST walk for 1000001 steps (10171 resets) in 624 ms. (1600 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:02:12] [INFO ] Invariant cache hit.
[2024-05-23 19:02:12] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2024-05-23 19:02:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:02:17] [INFO ] [Nat]Absence check using state equation in 4565 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 5 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 5 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-05-23 19:02:17] [INFO ] Invariant cache hit.
[2024-05-23 19:02:17] [INFO ] Implicit Places using invariants in 68 ms returned []
[2024-05-23 19:02:17] [INFO ] Invariant cache hit.
[2024-05-23 19:02:17] [INFO ] Implicit Places using invariants and state equation in 229 ms returned [6]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 302 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/20 places, 223/234 transitions.
Applied a total of 0 rules in 6 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 313 ms. Remains : 19/20 places, 223/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-05-23 19:02:17] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58953 resets) in 3112 ms. (321 steps per ms)
BEST_FIRST walk for 1000001 steps (8476 resets) in 623 ms. (1602 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:02:21] [INFO ] Invariant cache hit.
[2024-05-23 19:02:21] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-23 19:02:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:02:30] [INFO ] [Nat]Absence check using state equation in 9056 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 4 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 19:02:30] [INFO ] Invariant cache hit.
[2024-05-23 19:02:30] [INFO ] Implicit Places using invariants in 65 ms returned []
[2024-05-23 19:02:30] [INFO ] Invariant cache hit.
[2024-05-23 19:02:30] [INFO ] Implicit Places using invariants and state equation in 254 ms returned []
Implicit Place search using SMT with State Equation took 321 ms to find 0 implicit places.
[2024-05-23 19:02:30] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 19:02:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3177 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 224 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30052 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 33384ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 33388ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33720 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2349 resets) in 156 ms. (254 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (342 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1694035 steps, run timeout after 3001 ms. (steps per millisecond=564 ) properties seen :0 out of 1
Probabilistic random walk after 1694035 steps, saw 340371 distinct states, run finished after 3001 ms. (steps per millisecond=564 ) properties seen :0
[2024-05-23 19:03:07] [INFO ] Invariant cache hit.
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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 168/190 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 52/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 80 ms.
Refiners :[State Equation: 19/19 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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 168/190 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1084 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1172ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 6 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-05-23 19:03:08] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4109 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20015 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 24371ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 24375ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24382 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2356 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (336 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1805588 steps, run timeout after 3001 ms. (steps per millisecond=601 ) properties seen :0 out of 1
Probabilistic random walk after 1805588 steps, saw 366952 distinct states, run finished after 3003 ms. (steps per millisecond=601 ) properties seen :0
[2024-05-23 19:03:35] [INFO ] Invariant cache hit.
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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 168/190 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 52/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 119 ms.
Refiners :[State Equation: 19/19 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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 168/190 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9089 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9216ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 7 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 4 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 19:03:45] [INFO ] Invariant cache hit.
[2024-05-23 19:03:45] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-23 19:03:45] [INFO ] Invariant cache hit.
[2024-05-23 19:03:45] [INFO ] Implicit Places using invariants and state equation in 218 ms returned []
Implicit Place search using SMT with State Equation took 285 ms to find 0 implicit places.
[2024-05-23 19:03:45] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 19:03:45] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4667 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30018 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34948ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34953ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35251 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-01 in 157399 ms.
Starting property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 251 rows 26 cols
[2024-05-23 19:04:20] [INFO ] Computed 0 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (851 resets) in 45 ms. (217 steps per ms)
BEST_FIRST walk for 10001 steps (243 resets) in 11 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:04:20] [INFO ] Invariant cache hit.
[2024-05-23 19:04:20] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2024-05-23 19:04:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:04:21] [INFO ] [Nat]Absence check using state equation in 570 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Graph (complete) has 251 edges and 26 vertex of which 25 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 25 transition count 239
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 18 place count 20 transition count 234
Applied a total of 18 rules in 13 ms. Remains 20 /26 variables (removed 6) and now considering 234/251 (removed 17) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-05-23 19:04:21] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 4860 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20015 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 25132ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 25137ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25150 ms. Remains : 20/26 places, 234/251 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 19:04:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92412 resets) in 3045 ms. (328 steps per ms)
BEST_FIRST walk for 1000001 steps (47619 resets) in 497 ms. (2008 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:04:49] [INFO ] Invariant cache hit.
[2024-05-23 19:04:50] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-05-23 19:04:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:04:54] [INFO ] [Nat]Absence check using state equation in 4541 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-05-23 19:04:54] [INFO ] Invariant cache hit.
[2024-05-23 19:04:54] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-23 19:04:54] [INFO ] Invariant cache hit.
[2024-05-23 19:04:54] [INFO ] Implicit Places using invariants and state equation in 207 ms returned []
Implicit Place search using SMT with State Equation took 296 ms to find 0 implicit places.
[2024-05-23 19:04:54] [INFO ] Redundant transitions in 1 ms returned []
Running 215 sub problems to find dead transitions.
[2024-05-23 19:04:54] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 3951 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 30014 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 34179ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 34182ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34491 ms. Remains : 20/20 places, 234/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (3683 resets) in 174 ms. (228 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (1904 resets) in 29 ms. (1333 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1782057 steps, run timeout after 3001 ms. (steps per millisecond=593 ) properties seen :0 out of 1
Probabilistic random walk after 1782057 steps, saw 340542 distinct states, run finished after 3004 ms. (steps per millisecond=593 ) properties seen :0
[2024-05-23 19:05:32] [INFO ] Invariant cache hit.
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) 12/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 204/217 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/217 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 37/254 variables, 7/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 79 ms.
Refiners :[State Equation: 20/20 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) 12/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 204/217 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/217 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 21 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1122 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1208ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Running 215 sub problems to find dead transitions.
[2024-05-23 19:05:33] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 3062 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 235 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20049 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 23276ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 23281ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23284 ms. Remains : 20/20 places, 234/234 transitions.
RANDOM walk for 40000 steps (3707 resets) in 148 ms. (268 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (1904 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1734703 steps, run timeout after 3001 ms. (steps per millisecond=578 ) properties seen :0 out of 1
Probabilistic random walk after 1734703 steps, saw 332673 distinct states, run finished after 3001 ms. (steps per millisecond=578 ) properties seen :0
[2024-05-23 19:05:59] [INFO ] Invariant cache hit.
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) 12/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 204/217 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/217 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 37/254 variables, 7/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 101 ms.
Refiners :[State Equation: 20/20 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) 12/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 204/217 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/217 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 21 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9095 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9211ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 4 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-05-23 19:06:09] [INFO ] Invariant cache hit.
[2024-05-23 19:06:09] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-23 19:06:09] [INFO ] Invariant cache hit.
[2024-05-23 19:06:09] [INFO ] Implicit Places using invariants and state equation in 203 ms returned []
Implicit Place search using SMT with State Equation took 263 ms to find 0 implicit places.
[2024-05-23 19:06:09] [INFO ] Redundant transitions in 1 ms returned []
Running 215 sub problems to find dead transitions.
[2024-05-23 19:06:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 3568 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 30014 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 33741ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 33744ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34015 ms. Remains : 20/20 places, 234/234 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-02 in 142705 ms.
Starting property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 251 rows 26 cols
[2024-05-23 19:06:43] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (836 resets) in 29 ms. (333 steps per ms)
BEST_FIRST walk for 10001 steps (61 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:06:43] [INFO ] Invariant cache hit.
[2024-05-23 19:06:43] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-05-23 19:06:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:06:43] [INFO ] [Nat]Absence check using state equation in 552 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 22 transition count 247
Applied a total of 4 rules in 6 ms. Remains 22 /26 variables (removed 4) and now considering 247/251 (removed 4) transitions.
Running 227 sub problems to find dead transitions.
// Phase 1: matrix 247 rows 22 cols
[2024-05-23 19:06:43] [INFO ] Computed 0 invariants in 4 ms
[2024-05-23 19:06:43] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 1 (OVERLAPS) 247/268 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 11/32 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 4 (OVERLAPS) 1/269 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/269 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 6 (OVERLAPS) 0/269 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 227 unsolved
No progress, stopping.
After SMT solving in domain Real declared 269/269 variables, and 33 constraints, problems are : Problem set: 0 solved, 227 unsolved in 8554 ms.
Refiners :[State Equation: 22/22 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 227/227 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 227 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 1 (OVERLAPS) 247/268 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 11/32 constraints. Problems are: Problem set: 0 solved, 227 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 268/269 variables, and 259 constraints, problems are : Problem set: 0 solved, 227 unsolved in 20071 ms.
Refiners :[State Equation: 21/22 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 227/227 constraints, Known Traps: 0/0 constraints]
After SMT, in 28871ms problems are : Problem set: 0 solved, 227 unsolved
Search for dead transitions found 0 dead transitions in 28875ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28882 ms. Remains : 22/26 places, 247/251 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 19:07:12] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (115006 resets) in 3663 ms. (272 steps per ms)
BEST_FIRST walk for 1000001 steps (9454 resets) in 628 ms. (1589 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:07:17] [INFO ] Invariant cache hit.
[2024-05-23 19:07:17] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-05-23 19:07:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:07:26] [INFO ] [Nat]Absence check using state equation in 9049 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 22 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 22/22 places, 247/247 transitions.
Applied a total of 0 rules in 4 ms. Remains 22 /22 variables (removed 0) and now considering 247/247 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 22/22 places, 247/247 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 22/22 places, 247/247 transitions.
Applied a total of 0 rules in 2 ms. Remains 22 /22 variables (removed 0) and now considering 247/247 (removed 0) transitions.
[2024-05-23 19:07:26] [INFO ] Invariant cache hit.
[2024-05-23 19:07:26] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-05-23 19:07:26] [INFO ] Invariant cache hit.
[2024-05-23 19:07:26] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-05-23 19:07:26] [INFO ] Implicit Places using invariants and state equation in 236 ms returned [7, 17]
Discarding 2 places :
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 23 transitions.
Implicit Place search using SMT with State Equation took 316 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 20/22 places, 224/247 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 321 ms. Remains : 20/22 places, 224/247 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 224 rows 20 cols
[2024-05-23 19:07:26] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (54687 resets) in 2689 ms. (371 steps per ms)
BEST_FIRST walk for 1000001 steps (7234 resets) in 603 ms. (1655 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:07:29] [INFO ] Invariant cache hit.
[2024-05-23 19:07:29] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-23 19:07:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:07:34] [INFO ] [Nat]Absence check using state equation in 4552 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 5 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-23 19:07:34] [INFO ] Invariant cache hit.
[2024-05-23 19:07:34] [INFO ] Implicit Places using invariants in 46 ms returned []
[2024-05-23 19:07:34] [INFO ] Invariant cache hit.
[2024-05-23 19:07:34] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-05-23 19:07:34] [INFO ] Implicit Places using invariants and state equation in 199 ms returned []
Implicit Place search using SMT with State Equation took 267 ms to find 0 implicit places.
[2024-05-23 19:07:34] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 19:07:34] [INFO ] Invariant cache hit.
[2024-05-23 19:07:34] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7767 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 237 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30015 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 38018ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 38023ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38307 ms. Remains : 20/20 places, 224/224 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2185 resets) in 155 ms. (256 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (288 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1683270 steps, run timeout after 3001 ms. (steps per millisecond=560 ) properties seen :0 out of 1
Probabilistic random walk after 1683270 steps, saw 325527 distinct states, run finished after 3001 ms. (steps per millisecond=560 ) properties seen :0
[2024-05-23 19:08:16] [INFO ] Invariant cache hit.
[2024-05-23 19:08:16] [INFO ] State equation strengthened by 11 read => feed constraints.
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) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 176/201 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 43/244 variables, 7/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 118 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 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) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 176/201 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1075 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1201ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Running 206 sub problems to find dead transitions.
[2024-05-23 19:08:17] [INFO ] Invariant cache hit.
[2024-05-23 19:08:17] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 206 unsolved in 5933 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 237 constraints, problems are : Problem set: 0 solved, 206 unsolved in 20014 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 26121ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 26124ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26127 ms. Remains : 20/20 places, 224/224 transitions.
RANDOM walk for 40000 steps (2186 resets) in 140 ms. (283 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (290 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1772703 steps, run timeout after 3001 ms. (steps per millisecond=590 ) properties seen :0 out of 1
Probabilistic random walk after 1772703 steps, saw 339525 distinct states, run finished after 3001 ms. (steps per millisecond=590 ) properties seen :0
[2024-05-23 19:08:46] [INFO ] Invariant cache hit.
[2024-05-23 19:08:46] [INFO ] State equation strengthened by 11 read => feed constraints.
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) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 176/201 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 43/244 variables, 7/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 86 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 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) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 176/201 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9094 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9201ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-23 19:08:55] [INFO ] Invariant cache hit.
[2024-05-23 19:08:55] [INFO ] Implicit Places using invariants in 50 ms returned []
[2024-05-23 19:08:55] [INFO ] Invariant cache hit.
[2024-05-23 19:08:55] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-05-23 19:08:56] [INFO ] Implicit Places using invariants and state equation in 337 ms returned []
Implicit Place search using SMT with State Equation took 390 ms to find 0 implicit places.
[2024-05-23 19:08:56] [INFO ] Redundant transitions in 2 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 19:08:56] [INFO ] Invariant cache hit.
[2024-05-23 19:08:56] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6023 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 237 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30014 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 36285ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 36289ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36688 ms. Remains : 20/20 places, 224/224 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-03 in 169255 ms.
Starting property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 251 rows 26 cols
[2024-05-23 19:09:32] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (838 resets) in 29 ms. (333 steps per ms)
BEST_FIRST walk for 10001 steps (243 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:09:32] [INFO ] Invariant cache hit.
[2024-05-23 19:09:32] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2024-05-23 19:09:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:09:33] [INFO ] [Nat]Absence check using state equation in 548 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Graph (complete) has 251 edges and 26 vertex of which 25 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 25 transition count 239
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 18 place count 20 transition count 234
Applied a total of 18 rules in 6 ms. Remains 20 /26 variables (removed 6) and now considering 234/251 (removed 17) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-05-23 19:09:33] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 3165 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20013 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 23348ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 23351ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23358 ms. Remains : 20/26 places, 234/251 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 19:09:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92390 resets) in 3259 ms. (306 steps per ms)
BEST_FIRST walk for 1000001 steps (47619 resets) in 514 ms. (1941 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:10:00] [INFO ] Invariant cache hit.
[2024-05-23 19:10:00] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-05-23 19:10:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:10:04] [INFO ] [Nat]Absence check using state equation in 4564 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-05-23 19:10:04] [INFO ] Invariant cache hit.
[2024-05-23 19:10:05] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-23 19:10:05] [INFO ] Invariant cache hit.
[2024-05-23 19:10:05] [INFO ] Implicit Places using invariants and state equation in 189 ms returned []
Implicit Place search using SMT with State Equation took 261 ms to find 0 implicit places.
[2024-05-23 19:10:05] [INFO ] Redundant transitions in 1 ms returned []
Running 215 sub problems to find dead transitions.
[2024-05-23 19:10:05] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 4530 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 30014 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 34741ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 34743ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35014 ms. Remains : 20/20 places, 234/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (3718 resets) in 183 ms. (217 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (1904 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1756660 steps, run timeout after 3001 ms. (steps per millisecond=585 ) properties seen :0 out of 1
Probabilistic random walk after 1756660 steps, saw 342053 distinct states, run finished after 3001 ms. (steps per millisecond=585 ) properties seen :0
[2024-05-23 19:10:43] [INFO ] Invariant cache hit.
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) 12/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 204/217 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/217 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 37/254 variables, 7/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 103 ms.
Refiners :[State Equation: 20/20 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) 12/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 204/217 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/217 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 21 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1098 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1206ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 5 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Running 215 sub problems to find dead transitions.
[2024-05-23 19:10:44] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 3865 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 235 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20055 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 24095ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 24097ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24103 ms. Remains : 20/20 places, 234/234 transitions.
RANDOM walk for 40000 steps (3727 resets) in 186 ms. (213 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (1904 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1527495 steps, run timeout after 3005 ms. (steps per millisecond=508 ) properties seen :0 out of 1
Probabilistic random walk after 1527495 steps, saw 300196 distinct states, run finished after 3007 ms. (steps per millisecond=507 ) properties seen :0
[2024-05-23 19:11:11] [INFO ] Invariant cache hit.
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) 12/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 204/217 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/217 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 37/254 variables, 7/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 121 ms.
Refiners :[State Equation: 20/20 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) 12/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 204/217 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/217 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 21 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9105 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9234ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 4 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-05-23 19:11:20] [INFO ] Invariant cache hit.
[2024-05-23 19:11:20] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-23 19:11:20] [INFO ] Invariant cache hit.
[2024-05-23 19:11:21] [INFO ] Implicit Places using invariants and state equation in 303 ms returned []
Implicit Place search using SMT with State Equation took 372 ms to find 0 implicit places.
[2024-05-23 19:11:21] [INFO ] Redundant transitions in 2 ms returned []
Running 215 sub problems to find dead transitions.
[2024-05-23 19:11:21] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 5191 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 235 constraints, problems are : Problem set: 0 solved, 215 unsolved in 30049 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 35523ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 35527ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35911 ms. Remains : 20/20 places, 234/234 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-04 in 144349 ms.
Starting property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 251 rows 26 cols
[2024-05-23 19:11:56] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (836 resets) in 28 ms. (344 steps per ms)
BEST_FIRST walk for 10001 steps (60 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:11:56] [INFO ] Invariant cache hit.
[2024-05-23 19:11:56] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-05-23 19:11:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:11:57] [INFO ] [Nat]Absence check using state equation in 561 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Graph (complete) has 251 edges and 26 vertex of which 25 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 25 transition count 239
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 17 place count 21 transition count 235
Applied a total of 17 rules in 6 ms. Remains 21 /26 variables (removed 5) and now considering 235/251 (removed 16) transitions.
Running 216 sub problems to find dead transitions.
// Phase 1: matrix 235 rows 21 cols
[2024-05-23 19:11:57] [INFO ] Computed 0 invariants in 1 ms
[2024-05-23 19:11:57] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 1 (OVERLAPS) 235/255 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/255 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 4 (OVERLAPS) 1/256 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/256 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 6 (OVERLAPS) 0/256 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 216 unsolved
No progress, stopping.
After SMT solving in domain Real declared 256/256 variables, and 32 constraints, problems are : Problem set: 0 solved, 216 unsolved in 5550 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 216 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 1 (OVERLAPS) 235/255 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/255 variables, 216/247 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/255 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/256 variables, and 248 constraints, problems are : Problem set: 0 solved, 216 unsolved in 20016 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints]
After SMT, in 25727ms problems are : Problem set: 0 solved, 216 unsolved
Search for dead transitions found 0 dead transitions in 25730ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25737 ms. Remains : 21/26 places, 235/251 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 19:12:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (85465 resets) in 3037 ms. (329 steps per ms)
BEST_FIRST walk for 1000000 steps (8339 resets) in 629 ms. (1587 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:12:26] [INFO ] Invariant cache hit.
[2024-05-23 19:12:26] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2024-05-23 19:12:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:12:31] [INFO ] [Nat]Absence check using state equation in 4545 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 21 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 235/235 transitions.
Applied a total of 0 rules in 4 ms. Remains 21 /21 variables (removed 0) and now considering 235/235 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 21/21 places, 235/235 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 235/235 transitions.
Applied a total of 0 rules in 2 ms. Remains 21 /21 variables (removed 0) and now considering 235/235 (removed 0) transitions.
[2024-05-23 19:12:31] [INFO ] Invariant cache hit.
[2024-05-23 19:12:31] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-23 19:12:31] [INFO ] Invariant cache hit.
[2024-05-23 19:12:31] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-05-23 19:12:31] [INFO ] Implicit Places using invariants and state equation in 231 ms returned [16]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 294 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 20/21 places, 224/235 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 300 ms. Remains : 20/21 places, 224/235 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 224 rows 20 cols
[2024-05-23 19:12:31] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (54746 resets) in 2903 ms. (344 steps per ms)
BEST_FIRST walk for 1000001 steps (7247 resets) in 615 ms. (1623 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:12:35] [INFO ] Invariant cache hit.
[2024-05-23 19:12:35] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2024-05-23 19:12:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:12:40] [INFO ] [Nat]Absence check using state equation in 4542 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-23 19:12:40] [INFO ] Invariant cache hit.
[2024-05-23 19:12:40] [INFO ] Implicit Places using invariants in 50 ms returned []
[2024-05-23 19:12:40] [INFO ] Invariant cache hit.
[2024-05-23 19:12:40] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-05-23 19:12:40] [INFO ] Implicit Places using invariants and state equation in 174 ms returned []
Implicit Place search using SMT with State Equation took 226 ms to find 0 implicit places.
[2024-05-23 19:12:40] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 19:12:40] [INFO ] Invariant cache hit.
[2024-05-23 19:12:40] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6994 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 237 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30014 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 37220ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 37223ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37457 ms. Remains : 20/20 places, 224/224 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2185 resets) in 159 ms. (250 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (291 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1743874 steps, run timeout after 3001 ms. (steps per millisecond=581 ) properties seen :0 out of 1
Probabilistic random walk after 1743874 steps, saw 336858 distinct states, run finished after 3001 ms. (steps per millisecond=581 ) properties seen :0
[2024-05-23 19:13:20] [INFO ] Invariant cache hit.
[2024-05-23 19:13:20] [INFO ] State equation strengthened by 11 read => feed constraints.
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) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 176/201 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 43/244 variables, 7/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 116 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 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) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 176/201 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1074 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1196ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Running 206 sub problems to find dead transitions.
[2024-05-23 19:13:21] [INFO ] Invariant cache hit.
[2024-05-23 19:13:21] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 206 unsolved in 5442 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 243/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 20045 ms.
Refiners :[State Equation: 19/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 25652ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 25656ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25658 ms. Remains : 20/20 places, 224/224 transitions.
RANDOM walk for 40000 steps (2185 resets) in 114 ms. (347 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (289 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1728011 steps, run timeout after 3001 ms. (steps per millisecond=575 ) properties seen :0 out of 1
Probabilistic random walk after 1728011 steps, saw 334116 distinct states, run finished after 3001 ms. (steps per millisecond=575 ) properties seen :0
[2024-05-23 19:13:50] [INFO ] Invariant cache hit.
[2024-05-23 19:13:50] [INFO ] State equation strengthened by 11 read => feed constraints.
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) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 176/201 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 43/244 variables, 7/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 129 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 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) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 176/201 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9091 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9238ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-23 19:13:59] [INFO ] Invariant cache hit.
[2024-05-23 19:13:59] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-23 19:13:59] [INFO ] Invariant cache hit.
[2024-05-23 19:14:00] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-05-23 19:14:00] [INFO ] Implicit Places using invariants and state equation in 223 ms returned []
Implicit Place search using SMT with State Equation took 288 ms to find 0 implicit places.
[2024-05-23 19:14:00] [INFO ] Redundant transitions in 2 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 19:14:00] [INFO ] Invariant cache hit.
[2024-05-23 19:14:00] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6303 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 243/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30043 ms.
Refiners :[State Equation: 19/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 36606ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 36610ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36906 ms. Remains : 20/20 places, 224/224 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-06 in 160108 ms.
Starting property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 251 rows 26 cols
[2024-05-23 19:14:36] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (836 resets) in 28 ms. (344 steps per ms)
BEST_FIRST walk for 10001 steps (67 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:14:36] [INFO ] Invariant cache hit.
[2024-05-23 19:14:36] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2024-05-23 19:14:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:14:37] [INFO ] [Nat]Absence check using state equation in 549 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Graph (complete) has 251 edges and 26 vertex of which 25 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 25 transition count 239
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 18 place count 20 transition count 234
Applied a total of 18 rules in 6 ms. Remains 20 /26 variables (removed 6) and now considering 234/251 (removed 17) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-05-23 19:14:37] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 4554 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 235 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20049 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 24763ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 24765ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24772 ms. Remains : 20/26 places, 234/251 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 19:15:02] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92240 resets) in 3231 ms. (309 steps per ms)
BEST_FIRST walk for 1000001 steps (10254 resets) in 631 ms. (1582 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:15:06] [INFO ] Invariant cache hit.
[2024-05-23 19:15:06] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2024-05-23 19:15:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:15:10] [INFO ] [Nat]Absence check using state equation in 4557 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-05-23 19:15:10] [INFO ] Invariant cache hit.
[2024-05-23 19:15:10] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-23 19:15:10] [INFO ] Invariant cache hit.
[2024-05-23 19:15:11] [INFO ] Implicit Places using invariants and state equation in 199 ms returned [15]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 279 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/20 places, 223/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 284 ms. Remains : 19/20 places, 223/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-05-23 19:15:11] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58918 resets) in 2515 ms. (397 steps per ms)
BEST_FIRST walk for 1000001 steps (8459 resets) in 620 ms. (1610 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:15:14] [INFO ] Invariant cache hit.
[2024-05-23 19:15:14] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2024-05-23 19:15:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:15:23] [INFO ] [Nat]Absence check using state equation in 9041 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 19:15:23] [INFO ] Invariant cache hit.
[2024-05-23 19:15:23] [INFO ] Implicit Places using invariants in 68 ms returned []
[2024-05-23 19:15:23] [INFO ] Invariant cache hit.
[2024-05-23 19:15:23] [INFO ] Implicit Places using invariants and state equation in 278 ms returned []
Implicit Place search using SMT with State Equation took 350 ms to find 0 implicit places.
[2024-05-23 19:15:23] [INFO ] Redundant transitions in 0 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 19:15:23] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3736 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30009 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 33888ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 33890ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34251 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2354 resets) in 171 ms. (232 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (334 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1858167 steps, run timeout after 3001 ms. (steps per millisecond=619 ) properties seen :0 out of 1
Probabilistic random walk after 1858167 steps, saw 366946 distinct states, run finished after 3004 ms. (steps per millisecond=618 ) properties seen :0
[2024-05-23 19:16:00] [INFO ] Invariant cache hit.
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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 168/190 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 52/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 79 ms.
Refiners :[State Equation: 19/19 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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 168/190 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1094 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1180ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-05-23 19:16:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3137 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20012 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 23424ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 23428ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23431 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2351 resets) in 141 ms. (281 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (335 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1601090 steps, run timeout after 3001 ms. (steps per millisecond=533 ) properties seen :0 out of 1
Probabilistic random walk after 1601090 steps, saw 308857 distinct states, run finished after 3001 ms. (steps per millisecond=533 ) properties seen :0
[2024-05-23 19:16:28] [INFO ] Invariant cache hit.
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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 168/190 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 52/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 105 ms.
Refiners :[State Equation: 19/19 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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 168/190 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9094 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9204ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 19:16:37] [INFO ] Invariant cache hit.
[2024-05-23 19:16:37] [INFO ] Implicit Places using invariants in 49 ms returned []
[2024-05-23 19:16:37] [INFO ] Invariant cache hit.
[2024-05-23 19:16:38] [INFO ] Implicit Places using invariants and state equation in 192 ms returned []
Implicit Place search using SMT with State Equation took 242 ms to find 0 implicit places.
[2024-05-23 19:16:38] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 19:16:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4359 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 224 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30044 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34547ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34550ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34800 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-07 in 155854 ms.
Starting property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 251 rows 26 cols
[2024-05-23 19:17:12] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (838 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (65 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:17:12] [INFO ] Invariant cache hit.
[2024-05-23 19:17:12] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2024-05-23 19:17:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:17:13] [INFO ] [Nat]Absence check using state equation in 563 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Graph (complete) has 251 edges and 26 vertex of which 25 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 25 transition count 239
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 17 place count 21 transition count 235
Applied a total of 17 rules in 7 ms. Remains 21 /26 variables (removed 5) and now considering 235/251 (removed 16) transitions.
Running 216 sub problems to find dead transitions.
// Phase 1: matrix 235 rows 21 cols
[2024-05-23 19:17:13] [INFO ] Computed 0 invariants in 3 ms
[2024-05-23 19:17:13] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 1 (OVERLAPS) 235/255 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 10/30 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/255 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 4 (OVERLAPS) 1/256 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/256 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 6 (OVERLAPS) 0/256 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
No progress, stopping.
After SMT solving in domain Real declared 256/256 variables, and 31 constraints, problems are : Problem set: 0 solved, 216 unsolved in 7835 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 216 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 1 (OVERLAPS) 235/255 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 10/30 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/255 variables, 216/246 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/255 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 5 (OVERLAPS) 1/256 variables, 1/247 constraints. Problems are: Problem set: 0 solved, 216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/256 variables, and 247 constraints, problems are : Problem set: 0 solved, 216 unsolved in 20014 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints]
After SMT, in 28037ms problems are : Problem set: 0 solved, 216 unsolved
Search for dead transitions found 0 dead transitions in 28042ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28051 ms. Remains : 21/26 places, 235/251 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 19:17:41] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (85199 resets) in 2878 ms. (347 steps per ms)
BEST_FIRST walk for 1000001 steps (8498 resets) in 610 ms. (1636 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:17:44] [INFO ] Invariant cache hit.
[2024-05-23 19:17:45] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-05-23 19:17:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:17:49] [INFO ] [Nat]Absence check using state equation in 4549 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 21 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 235/235 transitions.
Applied a total of 0 rules in 2 ms. Remains 21 /21 variables (removed 0) and now considering 235/235 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 21/21 places, 235/235 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 235/235 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 235/235 (removed 0) transitions.
[2024-05-23 19:17:49] [INFO ] Invariant cache hit.
[2024-05-23 19:17:49] [INFO ] Implicit Places using invariants in 48 ms returned []
[2024-05-23 19:17:49] [INFO ] Invariant cache hit.
[2024-05-23 19:17:49] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-23 19:17:50] [INFO ] Implicit Places using invariants and state equation in 306 ms returned [7]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 356 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 20/21 places, 224/235 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 360 ms. Remains : 20/21 places, 224/235 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 224 rows 20 cols
[2024-05-23 19:17:50] [INFO ] Computed 0 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (54710 resets) in 2993 ms. (334 steps per ms)
BEST_FIRST walk for 1000001 steps (7312 resets) in 608 ms. (1642 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:17:53] [INFO ] Invariant cache hit.
[2024-05-23 19:17:53] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-23 19:17:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:17:58] [INFO ] [Nat]Absence check using state equation in 4570 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-23 19:17:58] [INFO ] Invariant cache hit.
[2024-05-23 19:17:58] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-23 19:17:58] [INFO ] Invariant cache hit.
[2024-05-23 19:17:58] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-23 19:17:58] [INFO ] Implicit Places using invariants and state equation in 312 ms returned []
Implicit Place search using SMT with State Equation took 371 ms to find 0 implicit places.
[2024-05-23 19:17:58] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 19:17:58] [INFO ] Invariant cache hit.
[2024-05-23 19:17:58] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6658 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30012 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 36824ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 36828ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37212 ms. Remains : 20/20 places, 224/224 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2177 resets) in 144 ms. (275 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (290 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1496756 steps, run timeout after 3001 ms. (steps per millisecond=498 ) properties seen :0 out of 1
Probabilistic random walk after 1496756 steps, saw 291951 distinct states, run finished after 3001 ms. (steps per millisecond=498 ) properties seen :0
[2024-05-23 19:18:38] [INFO ] Invariant cache hit.
[2024-05-23 19:18:38] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 171/194 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 50/244 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 1 unsolved in 92 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 171/194 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1070 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1169ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Running 206 sub problems to find dead transitions.
[2024-05-23 19:18:39] [INFO ] Invariant cache hit.
[2024-05-23 19:18:39] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6112 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 20016 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 26396ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 26398ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26401 ms. Remains : 20/20 places, 224/224 transitions.
RANDOM walk for 40000 steps (2186 resets) in 154 ms. (258 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (290 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1630711 steps, run timeout after 3001 ms. (steps per millisecond=543 ) properties seen :0 out of 1
Probabilistic random walk after 1630711 steps, saw 316853 distinct states, run finished after 3001 ms. (steps per millisecond=543 ) properties seen :0
[2024-05-23 19:19:09] [INFO ] Invariant cache hit.
[2024-05-23 19:19:09] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 171/194 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 50/244 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 1 unsolved in 118 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 171/194 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9076 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9200ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-23 19:19:18] [INFO ] Invariant cache hit.
[2024-05-23 19:19:18] [INFO ] Implicit Places using invariants in 72 ms returned []
[2024-05-23 19:19:18] [INFO ] Invariant cache hit.
[2024-05-23 19:19:18] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-23 19:19:19] [INFO ] Implicit Places using invariants and state equation in 316 ms returned []
Implicit Place search using SMT with State Equation took 390 ms to find 0 implicit places.
[2024-05-23 19:19:19] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 19:19:19] [INFO ] Invariant cache hit.
[2024-05-23 19:19:19] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6464 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30011 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 36717ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 36720ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37122 ms. Remains : 20/20 places, 224/224 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-09 in 163114 ms.
Starting property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 251 rows 26 cols
[2024-05-23 19:19:55] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (818 resets) in 28 ms. (344 steps per ms)
BEST_FIRST walk for 10001 steps (66 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:19:55] [INFO ] Invariant cache hit.
[2024-05-23 19:19:55] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2024-05-23 19:19:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:19:56] [INFO ] [Nat]Absence check using state equation in 575 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Graph (complete) has 251 edges and 26 vertex of which 25 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 25 transition count 239
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 18 place count 20 transition count 234
Applied a total of 18 rules in 10 ms. Remains 20 /26 variables (removed 6) and now considering 234/251 (removed 17) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-05-23 19:19:56] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 4717 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20012 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 25035ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 25039ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25051 ms. Remains : 20/26 places, 234/251 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 19:20:21] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92266 resets) in 3188 ms. (313 steps per ms)
BEST_FIRST walk for 1000001 steps (10256 resets) in 636 ms. (1569 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:20:25] [INFO ] Invariant cache hit.
[2024-05-23 19:20:25] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-05-23 19:20:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:20:30] [INFO ] [Nat]Absence check using state equation in 4556 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 5 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-05-23 19:20:30] [INFO ] Invariant cache hit.
[2024-05-23 19:20:30] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-23 19:20:30] [INFO ] Invariant cache hit.
[2024-05-23 19:20:30] [INFO ] Implicit Places using invariants and state equation in 315 ms returned [15]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 378 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/20 places, 223/234 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 384 ms. Remains : 19/20 places, 223/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-05-23 19:20:30] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (59015 resets) in 2839 ms. (352 steps per ms)
BEST_FIRST walk for 1000001 steps (8481 resets) in 620 ms. (1610 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:20:34] [INFO ] Invariant cache hit.
[2024-05-23 19:20:34] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-05-23 19:20:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:20:43] [INFO ] [Nat]Absence check using state equation in 9050 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 4 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 19:20:43] [INFO ] Invariant cache hit.
[2024-05-23 19:20:43] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-23 19:20:43] [INFO ] Invariant cache hit.
[2024-05-23 19:20:43] [INFO ] Implicit Places using invariants and state equation in 258 ms returned []
Implicit Place search using SMT with State Equation took 316 ms to find 0 implicit places.
[2024-05-23 19:20:43] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 19:20:43] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4063 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30017 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34324ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34328ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34654 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2360 resets) in 154 ms. (258 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (338 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1587170 steps, run timeout after 3001 ms. (steps per millisecond=528 ) properties seen :0 out of 1
Probabilistic random walk after 1587170 steps, saw 319050 distinct states, run finished after 3001 ms. (steps per millisecond=528 ) properties seen :0
[2024-05-23 19:21:21] [INFO ] Invariant cache hit.
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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 172/194 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 48/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 100 ms.
Refiners :[State Equation: 19/19 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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 172/194 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1092 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1196ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 4 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-05-23 19:21:22] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4497 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 224 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20090 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 24823ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 24827ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24831 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2353 resets) in 155 ms. (256 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (327 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1625649 steps, run timeout after 3001 ms. (steps per millisecond=541 ) properties seen :0 out of 1
Probabilistic random walk after 1625649 steps, saw 326047 distinct states, run finished after 3001 ms. (steps per millisecond=541 ) properties seen :0
[2024-05-23 19:21:50] [INFO ] Invariant cache hit.
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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 172/194 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 48/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 82 ms.
Refiners :[State Equation: 19/19 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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 172/194 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9070 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9159ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 19:21:59] [INFO ] Invariant cache hit.
[2024-05-23 19:21:59] [INFO ] Implicit Places using invariants in 72 ms returned []
[2024-05-23 19:21:59] [INFO ] Invariant cache hit.
[2024-05-23 19:21:59] [INFO ] Implicit Places using invariants and state equation in 276 ms returned []
Implicit Place search using SMT with State Equation took 350 ms to find 0 implicit places.
[2024-05-23 19:21:59] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 19:21:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3187 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30015 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 33404ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 33407ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33768 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-10 in 157340 ms.
Starting property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 251 rows 26 cols
[2024-05-23 19:22:33] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (851 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (51 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:22:33] [INFO ] Invariant cache hit.
[2024-05-23 19:22:33] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-05-23 19:22:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:22:33] [INFO ] [Nat]Absence check using state equation in 548 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 22 transition count 247
Applied a total of 4 rules in 5 ms. Remains 22 /26 variables (removed 4) and now considering 247/251 (removed 4) transitions.
Running 227 sub problems to find dead transitions.
// Phase 1: matrix 247 rows 22 cols
[2024-05-23 19:22:33] [INFO ] Computed 0 invariants in 1 ms
[2024-05-23 19:22:33] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 1 (OVERLAPS) 247/268 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 18/39 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 4 (OVERLAPS) 1/269 variables, 1/40 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/269 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 6 (OVERLAPS) 0/269 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 227 unsolved
No progress, stopping.
After SMT solving in domain Real declared 269/269 variables, and 40 constraints, problems are : Problem set: 0 solved, 227 unsolved in 6344 ms.
Refiners :[State Equation: 22/22 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 227/227 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 227 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 1 (OVERLAPS) 247/268 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 18/39 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 227/266 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/268 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 5 (OVERLAPS) 1/269 variables, 1/267 constraints. Problems are: Problem set: 0 solved, 227 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 269/269 variables, and 267 constraints, problems are : Problem set: 0 solved, 227 unsolved in 20013 ms.
Refiners :[State Equation: 22/22 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 227/227 constraints, Known Traps: 0/0 constraints]
After SMT, in 26524ms problems are : Problem set: 0 solved, 227 unsolved
Search for dead transitions found 0 dead transitions in 26533ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26539 ms. Remains : 22/26 places, 247/251 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 19:23:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (117227 resets) in 3369 ms. (296 steps per ms)
BEST_FIRST walk for 1000001 steps (9027 resets) in 638 ms. (1564 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:23:04] [INFO ] Invariant cache hit.
[2024-05-23 19:23:04] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2024-05-23 19:23:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:23:13] [INFO ] [Nat]Absence check using state equation in 9046 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 22 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 22/22 places, 247/247 transitions.
Applied a total of 0 rules in 3 ms. Remains 22 /22 variables (removed 0) and now considering 247/247 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 22/22 places, 247/247 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 22/22 places, 247/247 transitions.
Applied a total of 0 rules in 2 ms. Remains 22 /22 variables (removed 0) and now considering 247/247 (removed 0) transitions.
[2024-05-23 19:23:13] [INFO ] Invariant cache hit.
[2024-05-23 19:23:13] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-05-23 19:23:13] [INFO ] Invariant cache hit.
[2024-05-23 19:23:13] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 19:23:13] [INFO ] Implicit Places using invariants and state equation in 303 ms returned [7, 17]
Discarding 2 places :
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 23 transitions.
Implicit Place search using SMT with State Equation took 377 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 20/22 places, 224/247 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 381 ms. Remains : 20/22 places, 224/247 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 224 rows 20 cols
[2024-05-23 19:23:14] [INFO ] Computed 0 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (53968 resets) in 2716 ms. (368 steps per ms)
BEST_FIRST walk for 1000001 steps (7051 resets) in 609 ms. (1639 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:23:17] [INFO ] Invariant cache hit.
[2024-05-23 19:23:17] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2024-05-23 19:23:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:23:22] [INFO ] [Nat]Absence check using state equation in 4539 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-23 19:23:22] [INFO ] Invariant cache hit.
[2024-05-23 19:23:22] [INFO ] Implicit Places using invariants in 43 ms returned []
[2024-05-23 19:23:22] [INFO ] Invariant cache hit.
[2024-05-23 19:23:22] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 19:23:22] [INFO ] Implicit Places using invariants and state equation in 242 ms returned []
Implicit Place search using SMT with State Equation took 285 ms to find 0 implicit places.
[2024-05-23 19:23:22] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 19:23:22] [INFO ] Invariant cache hit.
[2024-05-23 19:23:22] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6032 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/243 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 244 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30017 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 36201ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 36203ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36497 ms. Remains : 20/20 places, 224/224 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2154 resets) in 131 ms. (303 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (280 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1651822 steps, run timeout after 3001 ms. (steps per millisecond=550 ) properties seen :0 out of 1
Probabilistic random walk after 1651822 steps, saw 326739 distinct states, run finished after 3001 ms. (steps per millisecond=550 ) properties seen :0
[2024-05-23 19:24:01] [INFO ] Invariant cache hit.
[2024-05-23 19:24:01] [INFO ] State equation strengthened by 18 read => feed constraints.
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) 38/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 205/244 variables, 19/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 1 unsolved in 111 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 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) 38/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1086 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1208ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Running 206 sub problems to find dead transitions.
[2024-05-23 19:24:02] [INFO ] Invariant cache hit.
[2024-05-23 19:24:02] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6543 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/243 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 244 constraints, problems are : Problem set: 0 solved, 206 unsolved in 20013 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 26765ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 26768ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26771 ms. Remains : 20/20 places, 224/224 transitions.
RANDOM walk for 40000 steps (2165 resets) in 155 ms. (256 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (280 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1794584 steps, run timeout after 3001 ms. (steps per millisecond=597 ) properties seen :0 out of 1
Probabilistic random walk after 1794584 steps, saw 351097 distinct states, run finished after 3002 ms. (steps per millisecond=597 ) properties seen :0
[2024-05-23 19:24:32] [INFO ] Invariant cache hit.
[2024-05-23 19:24:32] [INFO ] State equation strengthened by 18 read => feed constraints.
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) 38/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 205/244 variables, 19/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 1 unsolved in 89 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 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) 38/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9093 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9189ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 4 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-23 19:24:41] [INFO ] Invariant cache hit.
[2024-05-23 19:24:41] [INFO ] Implicit Places using invariants in 43 ms returned []
[2024-05-23 19:24:41] [INFO ] Invariant cache hit.
[2024-05-23 19:24:42] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 19:24:42] [INFO ] Implicit Places using invariants and state equation in 252 ms returned []
Implicit Place search using SMT with State Equation took 300 ms to find 0 implicit places.
[2024-05-23 19:24:42] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 19:24:42] [INFO ] Invariant cache hit.
[2024-05-23 19:24:42] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6482 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/243 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 244 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30011 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 36648ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 36650ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36959 ms. Remains : 20/20 places, 224/224 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-11 in 165770 ms.
Starting property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 251 rows 26 cols
[2024-05-23 19:25:18] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (846 resets) in 29 ms. (333 steps per ms)
BEST_FIRST walk for 10001 steps (64 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:25:18] [INFO ] Invariant cache hit.
[2024-05-23 19:25:18] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-23 19:25:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:25:19] [INFO ] [Nat]Absence check using state equation in 559 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 0 with 5 rules applied. Total rules applied 5 place count 21 transition count 246
Applied a total of 5 rules in 6 ms. Remains 21 /26 variables (removed 5) and now considering 246/251 (removed 5) transitions.
Running 226 sub problems to find dead transitions.
// Phase 1: matrix 246 rows 21 cols
[2024-05-23 19:25:19] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 1 (OVERLAPS) 246/267 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/267 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 3 (OVERLAPS) 0/267 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 226 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 21 constraints, problems are : Problem set: 0 solved, 226 unsolved in 5203 ms.
Refiners :[State Equation: 21/21 constraints, PredecessorRefiner: 226/226 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 226 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/267 variables, and 21 constraints, problems are : Problem set: 0 solved, 226 unsolved in 20012 ms.
Refiners :[State Equation: 21/21 constraints, PredecessorRefiner: 0/226 constraints, Known Traps: 0/0 constraints]
After SMT, in 25484ms problems are : Problem set: 0 solved, 226 unsolved
Search for dead transitions found 0 dead transitions in 25488ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25494 ms. Remains : 21/26 places, 246/251 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 19:25:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (128400 resets) in 3295 ms. (303 steps per ms)
BEST_FIRST walk for 1000001 steps (11672 resets) in 702 ms. (1422 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:25:49] [INFO ] Invariant cache hit.
[2024-05-23 19:25:49] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-05-23 19:25:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:25:53] [INFO ] [Nat]Absence check using state equation in 4549 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 21 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 246/246 transitions.
Applied a total of 0 rules in 2 ms. Remains 21 /21 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 21/21 places, 246/246 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 246/246 transitions.
Applied a total of 0 rules in 2 ms. Remains 21 /21 variables (removed 0) and now considering 246/246 (removed 0) transitions.
[2024-05-23 19:25:53] [INFO ] Invariant cache hit.
[2024-05-23 19:25:53] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-23 19:25:53] [INFO ] Invariant cache hit.
[2024-05-23 19:25:54] [INFO ] Implicit Places using invariants and state equation in 233 ms returned [6, 16]
Discarding 2 places :
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 23 transitions.
Implicit Place search using SMT with State Equation took 293 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/21 places, 223/246 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 297 ms. Remains : 19/21 places, 223/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-05-23 19:25:54] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58777 resets) in 2654 ms. (376 steps per ms)
BEST_FIRST walk for 1000001 steps (8362 resets) in 654 ms. (1526 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:25:57] [INFO ] Invariant cache hit.
[2024-05-23 19:25:57] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2024-05-23 19:25:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:26:06] [INFO ] [Nat]Absence check using state equation in 9045 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 19:26:06] [INFO ] Invariant cache hit.
[2024-05-23 19:26:06] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-05-23 19:26:06] [INFO ] Invariant cache hit.
[2024-05-23 19:26:06] [INFO ] Implicit Places using invariants and state equation in 196 ms returned []
Implicit Place search using SMT with State Equation took 249 ms to find 0 implicit places.
[2024-05-23 19:26:06] [INFO ] Redundant transitions in 0 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 19:26:06] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 2884 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30011 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 33045ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 33047ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33305 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2362 resets) in 123 ms. (322 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (328 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1601198 steps, run timeout after 3001 ms. (steps per millisecond=533 ) properties seen :0 out of 1
Probabilistic random walk after 1601198 steps, saw 322223 distinct states, run finished after 3001 ms. (steps per millisecond=533 ) properties seen :0
[2024-05-23 19:26:43] [INFO ] Invariant cache hit.
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) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 175/199 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/199 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 43/242 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 83 ms.
Refiners :[State Equation: 19/19 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) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 175/199 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/199 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/199 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1076 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1169ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-05-23 19:26:44] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3113 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20018 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 23285ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 23287ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23290 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2353 resets) in 142 ms. (279 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (332 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1619491 steps, run timeout after 3003 ms. (steps per millisecond=539 ) properties seen :0 out of 1
Probabilistic random walk after 1619491 steps, saw 325542 distinct states, run finished after 3007 ms. (steps per millisecond=538 ) properties seen :0
[2024-05-23 19:27:10] [INFO ] Invariant cache hit.
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) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 175/199 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/199 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 43/242 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 84 ms.
Refiners :[State Equation: 19/19 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) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 175/199 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/199 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/199 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9078 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9180ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 19:27:19] [INFO ] Invariant cache hit.
[2024-05-23 19:27:19] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-05-23 19:27:19] [INFO ] Invariant cache hit.
[2024-05-23 19:27:19] [INFO ] Implicit Places using invariants and state equation in 194 ms returned []
Implicit Place search using SMT with State Equation took 251 ms to find 0 implicit places.
[2024-05-23 19:27:19] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 19:27:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3100 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30009 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 33262ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 33265ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33523 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-12 in 154418 ms.
Starting property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 251 rows 26 cols
[2024-05-23 19:27:53] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (821 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (65 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:27:53] [INFO ] Invariant cache hit.
[2024-05-23 19:27:53] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-05-23 19:27:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:27:53] [INFO ] [Nat]Absence check using state equation in 547 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Graph (complete) has 251 edges and 26 vertex of which 25 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 25 transition count 239
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 18 place count 20 transition count 234
Applied a total of 18 rules in 5 ms. Remains 20 /26 variables (removed 6) and now considering 234/251 (removed 17) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-05-23 19:27:53] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 4095 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20015 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 24373ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 24375ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24380 ms. Remains : 20/26 places, 234/251 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 19:28:18] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92438 resets) in 2905 ms. (344 steps per ms)
BEST_FIRST walk for 1000001 steps (10139 resets) in 631 ms. (1582 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:28:21] [INFO ] Invariant cache hit.
[2024-05-23 19:28:22] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-05-23 19:28:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:28:26] [INFO ] [Nat]Absence check using state equation in 4546 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-05-23 19:28:26] [INFO ] Invariant cache hit.
[2024-05-23 19:28:26] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-23 19:28:26] [INFO ] Invariant cache hit.
[2024-05-23 19:28:26] [INFO ] Implicit Places using invariants and state equation in 326 ms returned [6]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 386 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/20 places, 223/234 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 391 ms. Remains : 19/20 places, 223/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-05-23 19:28:27] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58683 resets) in 2934 ms. (340 steps per ms)
BEST_FIRST walk for 1000001 steps (8353 resets) in 645 ms. (1547 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:28:30] [INFO ] Invariant cache hit.
[2024-05-23 19:28:30] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2024-05-23 19:28:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:28:39] [INFO ] [Nat]Absence check using state equation in 9042 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 5 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 19:28:39] [INFO ] Invariant cache hit.
[2024-05-23 19:28:39] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-05-23 19:28:39] [INFO ] Invariant cache hit.
[2024-05-23 19:28:40] [INFO ] Implicit Places using invariants and state equation in 192 ms returned []
Implicit Place search using SMT with State Equation took 261 ms to find 0 implicit places.
[2024-05-23 19:28:40] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 19:28:40] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3089 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30013 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 33271ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 33273ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33546 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2348 resets) in 121 ms. (327 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (336 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1628823 steps, run timeout after 3001 ms. (steps per millisecond=542 ) properties seen :0 out of 1
Probabilistic random walk after 1628823 steps, saw 327639 distinct states, run finished after 3001 ms. (steps per millisecond=542 ) properties seen :0
[2024-05-23 19:29:16] [INFO ] Invariant cache hit.
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) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/242 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 81 ms.
Refiners :[State Equation: 19/19 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) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1081 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1168ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-05-23 19:29:17] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3251 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20011 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 23414ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 23416ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23419 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2351 resets) in 131 ms. (303 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (323 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1625693 steps, run timeout after 3001 ms. (steps per millisecond=541 ) properties seen :0 out of 1
Probabilistic random walk after 1625693 steps, saw 327077 distinct states, run finished after 3001 ms. (steps per millisecond=541 ) properties seen :0
[2024-05-23 19:29:44] [INFO ] Invariant cache hit.
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) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/242 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 78 ms.
Refiners :[State Equation: 19/19 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) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9075 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9157ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 19:29:53] [INFO ] Invariant cache hit.
[2024-05-23 19:29:53] [INFO ] Implicit Places using invariants in 119 ms returned []
[2024-05-23 19:29:53] [INFO ] Invariant cache hit.
[2024-05-23 19:29:53] [INFO ] Implicit Places using invariants and state equation in 199 ms returned []
Implicit Place search using SMT with State Equation took 321 ms to find 0 implicit places.
[2024-05-23 19:29:53] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 19:29:53] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3129 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30012 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 33290ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 33293ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33623 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-13 in 153653 ms.
Starting property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-14
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 251 rows 26 cols
[2024-05-23 19:30:26] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (835 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (67 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:30:26] [INFO ] Invariant cache hit.
[2024-05-23 19:30:27] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2024-05-23 19:30:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:30:27] [INFO ] [Nat]Absence check using state equation in 548 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Graph (complete) has 251 edges and 26 vertex of which 25 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 25 transition count 239
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 18 place count 20 transition count 234
Applied a total of 18 rules in 4 ms. Remains 20 /26 variables (removed 6) and now considering 234/251 (removed 17) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-05-23 19:30:27] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 3374 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 235 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20044 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 23591ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 23593ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23598 ms. Remains : 20/26 places, 234/251 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 19:30:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92333 resets) in 3065 ms. (326 steps per ms)
BEST_FIRST walk for 1000001 steps (10131 resets) in 678 ms. (1472 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:30:55] [INFO ] Invariant cache hit.
[2024-05-23 19:30:55] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-23 19:30:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:30:59] [INFO ] [Nat]Absence check using state equation in 4548 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-05-23 19:30:59] [INFO ] Invariant cache hit.
[2024-05-23 19:30:59] [INFO ] Implicit Places using invariants in 40 ms returned []
[2024-05-23 19:30:59] [INFO ] Invariant cache hit.
[2024-05-23 19:30:59] [INFO ] Implicit Places using invariants and state equation in 220 ms returned [6]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 282 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/20 places, 223/234 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 284 ms. Remains : 19/20 places, 223/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-05-23 19:31:00] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58899 resets) in 2684 ms. (372 steps per ms)
BEST_FIRST walk for 1000001 steps (8516 resets) in 649 ms. (1538 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:31:03] [INFO ] Invariant cache hit.
[2024-05-23 19:31:03] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2024-05-23 19:31:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:31:12] [INFO ] [Nat]Absence check using state equation in 9042 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 19:31:12] [INFO ] Invariant cache hit.
[2024-05-23 19:31:12] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-05-23 19:31:12] [INFO ] Invariant cache hit.
[2024-05-23 19:31:12] [INFO ] Implicit Places using invariants and state equation in 197 ms returned []
Implicit Place search using SMT with State Equation took 274 ms to find 0 implicit places.
[2024-05-23 19:31:12] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 19:31:12] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3042 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30013 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 33220ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 33222ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33506 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2340 resets) in 196 ms. (203 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (337 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1586798 steps, run timeout after 3001 ms. (steps per millisecond=528 ) properties seen :0 out of 1
Probabilistic random walk after 1586798 steps, saw 319642 distinct states, run finished after 3001 ms. (steps per millisecond=528 ) properties seen :0
[2024-05-23 19:31:49] [INFO ] Invariant cache hit.
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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 166/188 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 54/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 99 ms.
Refiners :[State Equation: 19/19 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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 166/188 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1085 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1201ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-05-23 19:31:50] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3545 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20019 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 23718ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 23722ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23725 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2363 resets) in 188 ms. (211 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (335 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1614047 steps, run timeout after 3001 ms. (steps per millisecond=537 ) properties seen :0 out of 1
Probabilistic random walk after 1614047 steps, saw 324496 distinct states, run finished after 3001 ms. (steps per millisecond=537 ) properties seen :0
[2024-05-23 19:32:17] [INFO ] Invariant cache hit.
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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 166/188 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 54/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 83 ms.
Refiners :[State Equation: 19/19 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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 166/188 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9075 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9192ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 19:32:26] [INFO ] Invariant cache hit.
[2024-05-23 19:32:26] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-05-23 19:32:26] [INFO ] Invariant cache hit.
[2024-05-23 19:32:26] [INFO ] Implicit Places using invariants and state equation in 204 ms returned []
Implicit Place search using SMT with State Equation took 265 ms to find 0 implicit places.
[2024-05-23 19:32:26] [INFO ] Redundant transitions in 0 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 19:32:26] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3060 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30026 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 33252ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 33255ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33537 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-14 in 153131 ms.
Starting property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 251 rows 26 cols
[2024-05-23 19:33:00] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (843 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (50 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:33:00] [INFO ] Invariant cache hit.
[2024-05-23 19:33:00] [INFO ] [Real]Absence check using state equation in 112 ms returned sat
[2024-05-23 19:33:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:33:00] [INFO ] [Nat]Absence check using state equation in 550 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 0 with 5 rules applied. Total rules applied 5 place count 21 transition count 246
Applied a total of 5 rules in 4 ms. Remains 21 /26 variables (removed 5) and now considering 246/251 (removed 5) transitions.
Running 226 sub problems to find dead transitions.
// Phase 1: matrix 246 rows 21 cols
[2024-05-23 19:33:00] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 1 (OVERLAPS) 246/267 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/267 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 3 (OVERLAPS) 0/267 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 226 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 21 constraints, problems are : Problem set: 0 solved, 226 unsolved in 3492 ms.
Refiners :[State Equation: 21/21 constraints, PredecessorRefiner: 226/226 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 226 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/267 variables, and 21 constraints, problems are : Problem set: 0 solved, 226 unsolved in 20041 ms.
Refiners :[State Equation: 21/21 constraints, PredecessorRefiner: 0/226 constraints, Known Traps: 0/0 constraints]
After SMT, in 23707ms problems are : Problem set: 0 solved, 226 unsolved
Search for dead transitions found 0 dead transitions in 23710ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23714 ms. Remains : 21/26 places, 246/251 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 19:33:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (128588 resets) in 3315 ms. (301 steps per ms)
BEST_FIRST walk for 1000001 steps (11173 resets) in 705 ms. (1416 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:33:28] [INFO ] Invariant cache hit.
[2024-05-23 19:33:28] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-05-23 19:33:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:33:33] [INFO ] [Nat]Absence check using state equation in 4547 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 21 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 246/246 transitions.
Applied a total of 0 rules in 2 ms. Remains 21 /21 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 21/21 places, 246/246 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 246/246 transitions.
Applied a total of 0 rules in 2 ms. Remains 21 /21 variables (removed 0) and now considering 246/246 (removed 0) transitions.
[2024-05-23 19:33:33] [INFO ] Invariant cache hit.
[2024-05-23 19:33:33] [INFO ] Implicit Places using invariants in 65 ms returned []
[2024-05-23 19:33:33] [INFO ] Invariant cache hit.
[2024-05-23 19:33:33] [INFO ] Implicit Places using invariants and state equation in 225 ms returned [6, 16]
Discarding 2 places :
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 23 transitions.
Implicit Place search using SMT with State Equation took 303 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/21 places, 223/246 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 307 ms. Remains : 19/21 places, 223/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-05-23 19:33:33] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58169 resets) in 2692 ms. (371 steps per ms)
BEST_FIRST walk for 1000000 steps (8170 resets) in 673 ms. (1483 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 19:33:37] [INFO ] Invariant cache hit.
[2024-05-23 19:33:37] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2024-05-23 19:33:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 19:33:46] [INFO ] [Nat]Absence check using state equation in 9067 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 19:33:46] [INFO ] Invariant cache hit.
[2024-05-23 19:33:46] [INFO ] Implicit Places using invariants in 45 ms returned []
[2024-05-23 19:33:46] [INFO ] Invariant cache hit.
[2024-05-23 19:33:46] [INFO ] Implicit Places using invariants and state equation in 187 ms returned []
Implicit Place search using SMT with State Equation took 278 ms to find 0 implicit places.
[2024-05-23 19:33:46] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 19:33:46] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3029 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30017 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 33201ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 33204ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33490 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2317 resets) in 161 ms. (246 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (326 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1682661 steps, run timeout after 3001 ms. (steps per millisecond=560 ) properties seen :0 out of 1
Probabilistic random walk after 1682661 steps, saw 337107 distinct states, run finished after 3001 ms. (steps per millisecond=560 ) properties seen :0
[2024-05-23 19:34:22] [INFO ] Invariant cache hit.
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) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 204/242 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 75 ms.
Refiners :[State Equation: 19/19 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) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1068 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1171ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-05-23 19:34:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3025 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 224 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20067 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 23242ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 23245ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23247 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2331 resets) in 152 ms. (261 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (323 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1683131 steps, run timeout after 3001 ms. (steps per millisecond=560 ) properties seen :0 out of 1
Probabilistic random walk after 1683131 steps, saw 337253 distinct states, run finished after 3001 ms. (steps per millisecond=560 ) properties seen :0
[2024-05-23 19:34:50] [INFO ] Invariant cache hit.
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) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 204/242 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 74 ms.
Refiners :[State Equation: 19/19 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) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9060 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9155ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 19:34:59] [INFO ] Invariant cache hit.
[2024-05-23 19:34:59] [INFO ] Implicit Places using invariants in 39 ms returned []
[2024-05-23 19:34:59] [INFO ] Invariant cache hit.
[2024-05-23 19:34:59] [INFO ] Implicit Places using invariants and state equation in 188 ms returned []
Implicit Place search using SMT with State Equation took 254 ms to find 0 implicit places.
[2024-05-23 19:34:59] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 19:34:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3397 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30010 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 33569ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 33572ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33844 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-08ringLL-UpperBounds-15 in 153427 ms.
[2024-05-23 19:35:33] [INFO ] Flatten gal took : 107 ms
[2024-05-23 19:35:33] [INFO ] Export to MCC of 14 properties in file /home/mcc/execution/UpperBounds.sr.xml took 15 ms.
[2024-05-23 19:35:33] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 26 places, 251 transitions and 748 arcs took 10 ms.
Total runtime 2505636 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------
Running DNAwalker-PT-08ringLL
IS_COLORED=
IS_NUPN=
LOADING PETRI NET FILE /home/mcc/execution/415/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 26
TRANSITIONS: 251
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.006s, Sys 0.000s]
SAVING FILE /home/mcc/execution/415/model (.net / .def) ...
EXPORT TIME: [User 0.001s, Sys 0.000s]
----------------------------------------------------------------------
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: 2348
MODEL NAME: /home/mcc/execution/415/model
26 places, 251 transitions.
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA DNAwalker-PT-08ringLL-UpperBounds-00 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-08ringLL-UpperBounds-02 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-08ringLL-UpperBounds-03 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-08ringLL-UpperBounds-01 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-08ringLL-UpperBounds-07 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-08ringLL-UpperBounds-06 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-08ringLL-UpperBounds-04 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-08ringLL-UpperBounds-10 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-08ringLL-UpperBounds-11 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-08ringLL-UpperBounds-12 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-08ringLL-UpperBounds-14 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-08ringLL-UpperBounds-15 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-08ringLL-UpperBounds-09 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-08ringLL-UpperBounds-13 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------
BK_STOP 1716492940058
--------------------
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 UpperBounds -timeout 360 -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="DNAwalker-PT-08ringLL"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 2-5568"
echo " Executing tool greatspnxred"
echo " Input is DNAwalker-PT-08ringLL, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r113-smll-171624274900429"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-08ringLL.tgz
mv DNAwalker-PT-08ringLL execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;