fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r086-smll-174860102200260
Last Updated
June 24, 2025

About the Execution of ITS-Tools for FireWire-PT-03

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 959294.00 0.00 0.00 FFFFFFTFTFFTFFFF normal

Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r086-smll-174860102200260.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is FireWire-PT-03, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r086-smll-174860102200260
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 6.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 10K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 86K May 29 14:32 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME FireWire-PT-03-LTLFireability-00
FORMULA_NAME FireWire-PT-03-LTLFireability-01
FORMULA_NAME FireWire-PT-03-LTLFireability-02
FORMULA_NAME FireWire-PT-03-LTLFireability-03
FORMULA_NAME FireWire-PT-03-LTLFireability-04
FORMULA_NAME FireWire-PT-03-LTLFireability-05
FORMULA_NAME FireWire-PT-03-LTLFireability-06
FORMULA_NAME FireWire-PT-03-LTLFireability-07
FORMULA_NAME FireWire-PT-03-LTLFireability-08
FORMULA_NAME FireWire-PT-03-LTLFireability-09
FORMULA_NAME FireWire-PT-03-LTLFireability-10
FORMULA_NAME FireWire-PT-03-LTLFireability-11
FORMULA_NAME FireWire-PT-03-LTLFireability-12
FORMULA_NAME FireWire-PT-03-LTLFireability-13
FORMULA_NAME FireWire-PT-03-LTLFireability-14
FORMULA_NAME FireWire-PT-03-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748845248644

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FireWire-PT-03
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-02 06:20:50] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 06:20:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 06:20:50] [INFO ] Load time of PNML (sax parser for PT used): 180 ms
[2025-06-02 06:20:50] [INFO ] Transformed 112 places.
[2025-06-02 06:20:50] [INFO ] Transformed 356 transitions.
[2025-06-02 06:20:50] [INFO ] Found NUPN structural information;
[2025-06-02 06:20:50] [INFO ] Parsed PT model containing 112 places and 356 transitions and 1308 arcs in 410 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 16 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Ensure Unique test removed 53 transitions
Reduce redundant transitions removed 53 transitions.
FORMULA FireWire-PT-03-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-03-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 36 out of 112 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 112/112 places, 303/303 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 110 transition count 297
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 110 transition count 297
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 108 transition count 293
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 108 transition count 293
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 0 with 6 rules applied. Total rules applied 14 place count 108 transition count 287
Applied a total of 14 rules in 65 ms. Remains 108 /112 variables (removed 4) and now considering 287/303 (removed 16) transitions.
[2025-06-02 06:20:51] [INFO ] Flow matrix only has 261 transitions (discarded 26 similar events)
// Phase 1: matrix 261 rows 108 cols
[2025-06-02 06:20:51] [INFO ] Computed 9 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:20:51] [INFO ] Implicit Places using invariants in 399 ms returned []
[2025-06-02 06:20:51] [INFO ] Flow matrix only has 261 transitions (discarded 26 similar events)
[2025-06-02 06:20:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:20:52] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-06-02 06:20:52] [INFO ] Implicit Places using invariants and state equation in 685 ms returned []
Implicit Place search using SMT with State Equation took 1143 ms to find 0 implicit places.
Running 286 sub problems to find dead transitions.
[2025-06-02 06:20:52] [INFO ] Flow matrix only has 261 transitions (discarded 26 similar events)
[2025-06-02 06:20:52] [INFO ] Invariant cache hit.
[2025-06-02 06:20:52] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 286 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:20:56] [INFO ] Deduced a trap composed of 3 places in 89 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:20:56] [INFO ] Deduced a trap composed of 37 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:20:56] [INFO ] Deduced a trap composed of 36 places in 106 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:20:56] [INFO ] Deduced a trap composed of 22 places in 108 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:20:57] [INFO ] Deduced a trap composed of 15 places in 92 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:20:57] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:20:57] [INFO ] Deduced a trap composed of 17 places in 68 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:20:58] [INFO ] Deduced a trap composed of 37 places in 71 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 4 (OVERLAPS) 260/368 variables, 108/125 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 38/163 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/368 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 7 (OVERLAPS) 1/369 variables, 1/164 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/369 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 9 (OVERLAPS) 0/369 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 286 unsolved
No progress, stopping.
After SMT solving in domain Real declared 369/369 variables, and 164 constraints, problems are : Problem set: 0 solved, 286 unsolved in 27249 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 108/108 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 286/286 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 286 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 4 (OVERLAPS) 260/368 variables, 108/125 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 38/163 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/368 variables, 286/449 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/449 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 8 (OVERLAPS) 1/369 variables, 1/450 constraints. Problems are: Problem set: 0 solved, 286 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 369/369 variables, and 450 constraints, problems are : Problem set: 0 solved, 286 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 108/108 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 286/286 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 57603ms problems are : Problem set: 0 solved, 286 unsolved
Search for dead transitions found 0 dead transitions in 57622ms
Starting structural reductions in LTL mode, iteration 1 : 108/112 places, 287/303 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 58859 ms. Remains : 108/112 places, 287/303 transitions.
Support contains 36 out of 108 places after structural reductions.
[2025-06-02 06:21:50] [INFO ] Flatten gal took : 80 ms
[2025-06-02 06:21:50] [INFO ] Flatten gal took : 40 ms
[2025-06-02 06:21:50] [INFO ] Input system was already deterministic with 287 transitions.
RANDOM walk for 40000 steps (2003 resets) in 2131 ms. (18 steps per ms) remains 21/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 80 ms. (49 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (51 resets) in 45 ms. (87 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (82 resets) in 42 ms. (93 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (78 resets) in 48 ms. (81 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (66 resets) in 59 ms. (66 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (51 resets) in 62 ms. (63 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (23 resets) in 35 ms. (111 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (48 resets) in 32 ms. (121 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4000 steps (8 resets) in 32 ms. (121 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (77 resets) in 21 ms. (181 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (44 resets) in 16 ms. (235 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (53 resets) in 9 ms. (400 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (44 resets) in 21 ms. (181 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (47 resets) in 10 ms. (363 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (61 resets) in 18 ms. (210 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (19 resets) in 13 ms. (285 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (52 resets) in 11 ms. (333 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (45 resets) in 16 ms. (235 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (21 resets) in 36 ms. (108 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (40 resets) in 10 ms. (364 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (16 resets) in 11 ms. (333 steps per ms) remains 21/21 properties
[2025-06-02 06:21:51] [INFO ] Flow matrix only has 261 transitions (discarded 26 similar events)
[2025-06-02 06:21:51] [INFO ] Invariant cache hit.
[2025-06-02 06:21:51] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 75/102 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 21 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:21:51] [INFO ] Deduced a trap composed of 22 places in 99 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:21:51] [INFO ] Deduced a trap composed of 15 places in 91 ms of which 7 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/102 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/102 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (OVERLAPS) 6/108 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 21 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:21:52] [INFO ] Deduced a trap composed of 3 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:21:52] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 21 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:21:52] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/108 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 8 (OVERLAPS) 260/368 variables, 108/122 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/368 variables, 38/160 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/368 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 11 (OVERLAPS) 1/369 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/369 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 13 (OVERLAPS) 0/369 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 21 unsolved
No progress, stopping.
After SMT solving in domain Real declared 369/369 variables, and 161 constraints, problems are : Problem set: 0 solved, 21 unsolved in 1533 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 108/108 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 21 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
Problem AtomicPropp5 is UNSAT
At refinement iteration 1 (OVERLAPS) 75/102 variables, 6/6 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/102 variables, 2/8 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/102 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 6/108 variables, 3/11 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 3/14 constraints. Problems are: Problem set: 1 solved, 20 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:21:53] [INFO ] Deduced a trap composed of 47 places in 45 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 1/15 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/108 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 260/368 variables, 108/123 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/368 variables, 38/161 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/368 variables, 20/181 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/368 variables, 0/181 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 12 (OVERLAPS) 1/369 variables, 1/182 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/369 variables, 0/182 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 14 (OVERLAPS) 0/369 variables, 0/182 constraints. Problems are: Problem set: 1 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 369/369 variables, and 182 constraints, problems are : Problem set: 1 solved, 20 unsolved in 3326 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 108/108 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 20/21 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4887ms problems are : Problem set: 1 solved, 20 unsolved
Parikh walk visited 0 properties in 1800 ms.
Support contains 26 out of 108 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 108/108 places, 287/287 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 108 transition count 284
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 3 place count 108 transition count 283
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 107 transition count 283
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 7 place count 106 transition count 282
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 9 place count 105 transition count 284
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 11 place count 105 transition count 282
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 12 place count 105 transition count 281
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 13 place count 105 transition count 283
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 16 place count 104 transition count 281
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 18 place count 104 transition count 279
Applied a total of 18 rules in 93 ms. Remains 104 /108 variables (removed 4) and now considering 279/287 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 93 ms. Remains : 104/108 places, 279/287 transitions.
RANDOM walk for 40000 steps (2160 resets) in 423 ms. (94 steps per ms) remains 19/20 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (50 resets) in 14 ms. (266 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (101 resets) in 47 ms. (83 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (115 resets) in 26 ms. (148 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4002 steps (41 resets) in 15 ms. (250 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (10 resets) in 21 ms. (181 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (58 resets) in 15 ms. (250 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (102 resets) in 21 ms. (182 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (50 resets) in 16 ms. (235 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (45 resets) in 13 ms. (286 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (64 resets) in 16 ms. (235 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (44 resets) in 13 ms. (286 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (14 resets) in 11 ms. (333 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (58 resets) in 15 ms. (250 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (63 resets) in 16 ms. (235 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (18 resets) in 12 ms. (307 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4002 steps (59 resets) in 17 ms. (222 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4002 steps (11 resets) in 17 ms. (222 steps per ms) remains 19/19 properties
Interrupted probabilistic random walk after 448882 steps, run timeout after 3001 ms. (steps per millisecond=149 ) properties seen :1 out of 19
Probabilistic random walk after 448882 steps, saw 75121 distinct states, run finished after 3008 ms. (steps per millisecond=149 ) properties seen :1
[2025-06-02 06:22:01] [INFO ] Flow matrix only has 254 transitions (discarded 25 similar events)
// Phase 1: matrix 254 rows 104 cols
[2025-06-02 06:22:01] [INFO ] Computed 9 invariants in 5 ms
[2025-06-02 06:22:01] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 57/81 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 23/104 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:01] [INFO ] Deduced a trap composed of 22 places in 95 ms of which 14 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/104 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (OVERLAPS) 254/358 variables, 104/114 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/358 variables, 40/154 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/358 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (OVERLAPS) 0/358 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Real declared 358/358 variables, and 154 constraints, problems are : Problem set: 0 solved, 18 unsolved in 834 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 104/104 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 57/81 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 23/104 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/104 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:02] [INFO ] Deduced a trap composed of 45 places in 55 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (OVERLAPS) 254/358 variables, 104/115 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/358 variables, 40/155 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/358 variables, 18/173 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:03] [INFO ] Deduced a trap composed of 15 places in 118 ms of which 18 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/358 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 12 (OVERLAPS) 0/358 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Int declared 358/358 variables, and 174 constraints, problems are : Problem set: 0 solved, 18 unsolved in 2751 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 104/104 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3609ms problems are : Problem set: 0 solved, 18 unsolved
Fused 18 Parikh solutions to 17 different solutions.
Parikh walk visited 0 properties in 1976 ms.
Support contains 24 out of 104 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 279/279 transitions.
Applied a total of 0 rules in 15 ms. Remains 104 /104 variables (removed 0) and now considering 279/279 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 104/104 places, 279/279 transitions.
RANDOM walk for 40000 steps (2242 resets) in 286 ms. (139 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (59 resets) in 12 ms. (308 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (104 resets) in 26 ms. (148 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4002 steps (105 resets) in 14 ms. (266 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (23 resets) in 11 ms. (333 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (55 resets) in 15 ms. (250 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4002 steps (103 resets) in 12 ms. (307 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4002 steps (76 resets) in 8 ms. (444 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (48 resets) in 9 ms. (400 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (54 resets) in 13 ms. (285 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4002 steps (54 resets) in 11 ms. (333 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (17 resets) in 10 ms. (364 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (57 resets) in 9 ms. (400 steps per ms) remains 15/18 properties
BEST_FIRST walk for 4004 steps (52 resets) in 11 ms. (333 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (20 resets) in 8 ms. (444 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (10 resets) in 9 ms. (400 steps per ms) remains 15/15 properties
[2025-06-02 06:22:07] [INFO ] Flow matrix only has 254 transitions (discarded 25 similar events)
[2025-06-02 06:22:07] [INFO ] Invariant cache hit.
[2025-06-02 06:22:07] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 56/77 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/77 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 27/104 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:07] [INFO ] Deduced a trap composed of 22 places in 92 ms of which 13 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/104 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (OVERLAPS) 254/358 variables, 104/114 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/358 variables, 40/154 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/358 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (OVERLAPS) 0/358 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 358/358 variables, and 154 constraints, problems are : Problem set: 0 solved, 15 unsolved in 778 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 104/104 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 56/77 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/77 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 27/104 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/104 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:08] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 254/358 variables, 104/115 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/358 variables, 40/155 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/358 variables, 15/170 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:09] [INFO ] Deduced a trap composed of 35 places in 51 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/358 variables, 1/171 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 0/171 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 12 (OVERLAPS) 0/358 variables, 0/171 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Int declared 358/358 variables, and 171 constraints, problems are : Problem set: 0 solved, 15 unsolved in 2247 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 104/104 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3044ms problems are : Problem set: 0 solved, 15 unsolved
Fused 15 Parikh solutions to 14 different solutions.
Parikh walk visited 0 properties in 14153 ms.
Support contains 21 out of 104 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 279/279 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 103 transition count 278
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 103 transition count 276
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 6 place count 103 transition count 276
Applied a total of 6 rules in 32 ms. Remains 103 /104 variables (removed 1) and now considering 276/279 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 103/104 places, 276/279 transitions.
RANDOM walk for 40000 steps (2198 resets) in 212 ms. (187 steps per ms) remains 12/15 properties
BEST_FIRST walk for 40004 steps (566 resets) in 109 ms. (363 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (1107 resets) in 99 ms. (400 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (16 resets) in 40 ms. (975 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 153 ms. (259 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (1079 resets) in 102 ms. (388 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (598 resets) in 114 ms. (347 steps per ms) remains 10/12 properties
BEST_FIRST walk for 40004 steps (546 resets) in 83 ms. (476 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (511 resets) in 91 ms. (434 steps per ms) remains 7/10 properties
BEST_FIRST walk for 40003 steps (563 resets) in 58 ms. (678 steps per ms) remains 6/7 properties
[2025-06-02 06:22:25] [INFO ] Flow matrix only has 252 transitions (discarded 24 similar events)
// Phase 1: matrix 252 rows 103 cols
[2025-06-02 06:22:25] [INFO ] Computed 9 invariants in 3 ms
[2025-06-02 06:22:25] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 67/76 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 27/103 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:25] [INFO ] Deduced a trap composed of 22 places in 107 ms of which 14 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 252/355 variables, 103/113 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 39/152 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 0/355 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 355/355 variables, and 152 constraints, problems are : Problem set: 0 solved, 6 unsolved in 414 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 103/103 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 67/76 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 27/103 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 252/355 variables, 103/113 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 39/152 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 6/158 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:25] [INFO ] Deduced a trap composed of 34 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:26] [INFO ] Deduced a trap composed of 35 places in 59 ms of which 6 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 2/160 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/355 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 0/355 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 355/355 variables, and 160 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1070 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 103/103 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1499ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 4 different solutions.
Parikh walk visited 0 properties in 1034 ms.
Support contains 9 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 276/276 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 102 transition count 274
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 102 transition count 274
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -5
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 101 transition count 279
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 101 transition count 277
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 101 transition count 276
Applied a total of 7 rules in 36 ms. Remains 101 /103 variables (removed 2) and now considering 276/276 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 101/103 places, 276/276 transitions.
RANDOM walk for 40000 steps (2147 resets) in 140 ms. (283 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (1072 resets) in 65 ms. (606 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (1058 resets) in 61 ms. (645 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (544 resets) in 86 ms. (459 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (571 resets) in 82 ms. (481 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (574 resets) in 74 ms. (533 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (542 resets) in 75 ms. (526 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 678924 steps, run timeout after 3001 ms. (steps per millisecond=226 ) properties seen :0 out of 6
Probabilistic random walk after 678924 steps, saw 127563 distinct states, run finished after 3001 ms. (steps per millisecond=226 ) properties seen :0
[2025-06-02 06:22:30] [INFO ] Flow matrix only has 250 transitions (discarded 26 similar events)
// Phase 1: matrix 250 rows 101 cols
[2025-06-02 06:22:30] [INFO ] Computed 9 invariants in 3 ms
[2025-06-02 06:22:30] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 65/74 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 27/101 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/101 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 250/351 variables, 101/110 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/351 variables, 39/149 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/351 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 0/351 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 351/351 variables, and 149 constraints, problems are : Problem set: 0 solved, 6 unsolved in 290 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 101/101 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 65/74 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 27/101 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/101 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 250/351 variables, 101/110 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/351 variables, 39/149 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/351 variables, 6/155 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:31] [INFO ] Deduced a trap composed of 33 places in 44 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/351 variables, 1/156 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/351 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 0/351 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 351/351 variables, and 156 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1004 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 101/101 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1306ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 4 different solutions.
Parikh walk visited 0 properties in 2451 ms.
Support contains 9 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 276/276 transitions.
Applied a total of 0 rules in 8 ms. Remains 101 /101 variables (removed 0) and now considering 276/276 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 101/101 places, 276/276 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 276/276 transitions.
Applied a total of 0 rules in 7 ms. Remains 101 /101 variables (removed 0) and now considering 276/276 (removed 0) transitions.
[2025-06-02 06:22:34] [INFO ] Flow matrix only has 250 transitions (discarded 26 similar events)
[2025-06-02 06:22:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:22:34] [INFO ] Implicit Places using invariants in 110 ms returned [100]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 114 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 100/101 places, 276/276 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 100 transition count 275
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 99 transition count 275
Applied a total of 2 rules in 10 ms. Remains 99 /100 variables (removed 1) and now considering 275/276 (removed 1) transitions.
[2025-06-02 06:22:34] [INFO ] Flow matrix only has 249 transitions (discarded 26 similar events)
// Phase 1: matrix 249 rows 99 cols
[2025-06-02 06:22:34] [INFO ] Computed 8 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:22:34] [INFO ] Implicit Places using invariants in 90 ms returned []
[2025-06-02 06:22:34] [INFO ] Flow matrix only has 249 transitions (discarded 26 similar events)
[2025-06-02 06:22:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:22:35] [INFO ] State equation strengthened by 38 read => feed constraints.
[2025-06-02 06:22:35] [INFO ] Implicit Places using invariants and state equation in 220 ms returned []
Implicit Place search using SMT with State Equation took 311 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 99/101 places, 275/276 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 442 ms. Remains : 99/101 places, 275/276 transitions.
RANDOM walk for 40000 steps (2269 resets) in 202 ms. (197 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (1200 resets) in 70 ms. (563 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (1174 resets) in 69 ms. (571 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (574 resets) in 139 ms. (285 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (670 resets) in 123 ms. (322 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (668 resets) in 146 ms. (272 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (608 resets) in 188 ms. (211 steps per ms) remains 4/6 properties
[2025-06-02 06:22:35] [INFO ] Flow matrix only has 249 transitions (discarded 26 similar events)
[2025-06-02 06:22:35] [INFO ] Invariant cache hit.
[2025-06-02 06:22:35] [INFO ] State equation strengthened by 38 read => feed constraints.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 47/52 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 47/99 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:35] [INFO ] Deduced a trap composed of 33 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:35] [INFO ] Deduced a trap composed of 22 places in 135 ms of which 22 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/99 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 249/348 variables, 99/109 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/348 variables, 38/147 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/348 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 0/348 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 348/348 variables, and 147 constraints, problems are : Problem set: 0 solved, 4 unsolved in 467 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 99/99 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 47/52 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 47/99 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:36] [INFO ] Deduced a trap composed of 33 places in 41 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/99 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/99 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 249/348 variables, 99/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/348 variables, 38/148 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/348 variables, 4/152 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/348 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 0/348 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 348/348 variables, and 152 constraints, problems are : Problem set: 0 solved, 4 unsolved in 619 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 99/99 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1093ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 1159 ms.
Support contains 5 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 275/275 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 98 transition count 277
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 98 transition count 275
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 98 transition count 274
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 97 transition count 273
Applied a total of 6 rules in 25 ms. Remains 97 /99 variables (removed 2) and now considering 273/275 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 97/99 places, 273/275 transitions.
RANDOM walk for 40000 steps (2433 resets) in 308 ms. (129 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40000 steps (1258 resets) in 99 ms. (400 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (1267 resets) in 84 ms. (470 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (561 resets) in 102 ms. (388 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (587 resets) in 84 ms. (470 steps per ms) remains 4/4 properties
Finished probabilistic random walk after 193976 steps, run visited all 4 properties in 416 ms. (steps per millisecond=466 )
Probabilistic random walk after 193976 steps, saw 43425 distinct states, run finished after 422 ms. (steps per millisecond=459 ) properties seen :4
Successfully simplified 1 atomic propositions for a total of 14 simplifications.
Computed a total of 3 stabilizing places and 2 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((!p0||(p1 U G(p2)))) U G(p0)))'
Support contains 6 out of 108 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 287/287 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 107 transition count 285
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 107 transition count 285
Applied a total of 2 rules in 3 ms. Remains 107 /108 variables (removed 1) and now considering 285/287 (removed 2) transitions.
[2025-06-02 06:22:39] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
// Phase 1: matrix 259 rows 107 cols
[2025-06-02 06:22:39] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:22:39] [INFO ] Implicit Places using invariants in 141 ms returned []
[2025-06-02 06:22:39] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:22:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:22:39] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-06-02 06:22:39] [INFO ] Implicit Places using invariants and state equation in 312 ms returned []
Implicit Place search using SMT with State Equation took 455 ms to find 0 implicit places.
Running 284 sub problems to find dead transitions.
[2025-06-02 06:22:39] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:22:39] [INFO ] Invariant cache hit.
[2025-06-02 06:22:39] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 284 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:42] [INFO ] Deduced a trap composed of 3 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:42] [INFO ] Deduced a trap composed of 36 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:42] [INFO ] Deduced a trap composed of 36 places in 93 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:42] [INFO ] Deduced a trap composed of 22 places in 124 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:42] [INFO ] Deduced a trap composed of 17 places in 155 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:42] [INFO ] Deduced a trap composed of 15 places in 85 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:43] [INFO ] Deduced a trap composed of 17 places in 147 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:22:43] [INFO ] Deduced a trap composed of 36 places in 53 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/124 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 38/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 7 (OVERLAPS) 1/366 variables, 1/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/366 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 9 (OVERLAPS) 0/366 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
No progress, stopping.
After SMT solving in domain Real declared 366/366 variables, and 163 constraints, problems are : Problem set: 0 solved, 284 unsolved in 29204 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 284/284 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 284 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/124 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 38/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 284/446 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 8 (OVERLAPS) 1/366 variables, 1/447 constraints. Problems are: Problem set: 0 solved, 284 unsolved
Error getting values : (error "ParserException while parsing response: ((t0 1)
(t1 1)
(t2 3)
(t3 timeout
0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 366/366 variables, and 447 constraints, problems are : Problem set: 0 solved, 284 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 284/284 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 59336ms problems are : Problem set: 0 solved, 284 unsolved
Search for dead transitions found 0 dead transitions in 59338ms
Starting structural reductions in LTL mode, iteration 1 : 107/108 places, 285/287 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 59798 ms. Remains : 107/108 places, 285/287 transitions.
Stuttering acceptance computed with spot in 543 ms :[(NOT p0), (AND p0 (NOT p2)), false, true, (NOT p2), (NOT p2), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : FireWire-PT-03-LTLFireability-00
Stuttering criterion allowed to conclude after 11 steps with 5 reset in 3 ms.
FORMULA FireWire-PT-03-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-03-LTLFireability-00 finished in 60452 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Support contains 4 out of 108 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 108/108 places, 287/287 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 107 transition count 285
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 106 transition count 285
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 105 transition count 283
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 105 transition count 283
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 6 place count 104 transition count 282
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 101 transition count 289
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 20 place count 101 transition count 281
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 21 place count 100 transition count 280
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 22 place count 99 transition count 280
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 22 place count 99 transition count 279
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 24 place count 98 transition count 279
Applied a total of 24 rules in 46 ms. Remains 98 /108 variables (removed 10) and now considering 279/287 (removed 8) transitions.
[2025-06-02 06:23:39] [INFO ] Flow matrix only has 247 transitions (discarded 32 similar events)
// Phase 1: matrix 247 rows 98 cols
[2025-06-02 06:23:39] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:23:39] [INFO ] Implicit Places using invariants in 89 ms returned []
[2025-06-02 06:23:39] [INFO ] Flow matrix only has 247 transitions (discarded 32 similar events)
[2025-06-02 06:23:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:23:39] [INFO ] State equation strengthened by 37 read => feed constraints.
[2025-06-02 06:23:39] [INFO ] Implicit Places using invariants and state equation in 238 ms returned []
Implicit Place search using SMT with State Equation took 329 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:23:39] [INFO ] Redundant transitions in 18 ms returned []
Running 276 sub problems to find dead transitions.
[2025-06-02 06:23:39] [INFO ] Flow matrix only has 247 transitions (discarded 32 similar events)
[2025-06-02 06:23:39] [INFO ] Invariant cache hit.
[2025-06-02 06:23:39] [INFO ] State equation strengthened by 37 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 276 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:23:41] [INFO ] Deduced a trap composed of 35 places in 115 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:23:41] [INFO ] Deduced a trap composed of 21 places in 95 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:23:41] [INFO ] Deduced a trap composed of 15 places in 110 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:23:42] [INFO ] Deduced a trap composed of 23 places in 100 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:23:42] [INFO ] Deduced a trap composed of 33 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:23:42] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:23:42] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:23:42] [INFO ] Deduced a trap composed of 32 places in 76 ms of which 5 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 3 (OVERLAPS) 246/344 variables, 98/114 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/344 variables, 37/151 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/344 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 6 (OVERLAPS) 0/344 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 276 unsolved
No progress, stopping.
After SMT solving in domain Real declared 344/345 variables, and 151 constraints, problems are : Problem set: 0 solved, 276 unsolved in 17480 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 98/98 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 276/276 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 276 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 3 (OVERLAPS) 246/344 variables, 98/114 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/344 variables, 37/151 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/344 variables, 276/427 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/344 variables, 0/427 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 7 (OVERLAPS) 0/344 variables, 0/427 constraints. Problems are: Problem set: 0 solved, 276 unsolved
No progress, stopping.
After SMT solving in domain Int declared 344/345 variables, and 427 constraints, problems are : Problem set: 0 solved, 276 unsolved in 26168 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 98/98 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 276/276 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43800ms problems are : Problem set: 0 solved, 276 unsolved
Search for dead transitions found 0 dead transitions in 43801ms
Starting structural reductions in SI_LTL mode, iteration 1 : 98/108 places, 279/287 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 44201 ms. Remains : 98/108 places, 279/287 transitions.
Stuttering acceptance computed with spot in 109 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : FireWire-PT-03-LTLFireability-01
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-03-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-03-LTLFireability-01 finished in 44326 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(G(p0)) U (p1||X(X(((p2 U p0)||F(p2)))))))'
Support contains 6 out of 108 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 287/287 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 107 transition count 285
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 107 transition count 285
Applied a total of 2 rules in 3 ms. Remains 107 /108 variables (removed 1) and now considering 285/287 (removed 2) transitions.
[2025-06-02 06:24:23] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
// Phase 1: matrix 259 rows 107 cols
[2025-06-02 06:24:23] [INFO ] Computed 9 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:24:23] [INFO ] Implicit Places using invariants in 103 ms returned []
[2025-06-02 06:24:23] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:24:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:24:24] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-06-02 06:24:24] [INFO ] Implicit Places using invariants and state equation in 242 ms returned []
Implicit Place search using SMT with State Equation took 347 ms to find 0 implicit places.
Running 284 sub problems to find dead transitions.
[2025-06-02 06:24:24] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:24:24] [INFO ] Invariant cache hit.
[2025-06-02 06:24:24] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 284 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:24:26] [INFO ] Deduced a trap composed of 3 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:24:26] [INFO ] Deduced a trap composed of 36 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:24:26] [INFO ] Deduced a trap composed of 36 places in 167 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:24:27] [INFO ] Deduced a trap composed of 22 places in 139 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:24:27] [INFO ] Deduced a trap composed of 17 places in 151 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:24:27] [INFO ] Deduced a trap composed of 15 places in 109 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:24:27] [INFO ] Deduced a trap composed of 17 places in 124 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:24:28] [INFO ] Deduced a trap composed of 36 places in 45 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/124 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 38/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 7 (OVERLAPS) 1/366 variables, 1/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/366 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 9 (OVERLAPS) 0/366 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
No progress, stopping.
After SMT solving in domain Real declared 366/366 variables, and 163 constraints, problems are : Problem set: 0 solved, 284 unsolved in 28406 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 284/284 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 284 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/124 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 38/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 284/446 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 8 (OVERLAPS) 1/366 variables, 1/447 constraints. Problems are: Problem set: 0 solved, 284 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 366/366 variables, and 447 constraints, problems are : Problem set: 0 solved, 284 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 284/284 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 58486ms problems are : Problem set: 0 solved, 284 unsolved
Search for dead transitions found 0 dead transitions in 58488ms
Starting structural reductions in LTL mode, iteration 1 : 107/108 places, 285/287 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 58844 ms. Remains : 107/108 places, 285/287 transitions.
Stuttering acceptance computed with spot in 253 ms :[(AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : FireWire-PT-03-LTLFireability-02
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-03-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-03-LTLFireability-02 finished in 59120 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U X(X(G((F(p1) U p2))))))'
Support contains 4 out of 108 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 287/287 transitions.
Applied a total of 0 rules in 1 ms. Remains 108 /108 variables (removed 0) and now considering 287/287 (removed 0) transitions.
[2025-06-02 06:25:22] [INFO ] Flow matrix only has 261 transitions (discarded 26 similar events)
// Phase 1: matrix 261 rows 108 cols
[2025-06-02 06:25:22] [INFO ] Computed 9 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:25:23] [INFO ] Implicit Places using invariants in 106 ms returned []
[2025-06-02 06:25:23] [INFO ] Flow matrix only has 261 transitions (discarded 26 similar events)
[2025-06-02 06:25:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:25:23] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-06-02 06:25:23] [INFO ] Implicit Places using invariants and state equation in 398 ms returned []
Implicit Place search using SMT with State Equation took 506 ms to find 0 implicit places.
Running 286 sub problems to find dead transitions.
[2025-06-02 06:25:23] [INFO ] Flow matrix only has 261 transitions (discarded 26 similar events)
[2025-06-02 06:25:23] [INFO ] Invariant cache hit.
[2025-06-02 06:25:23] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 286 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:25:26] [INFO ] Deduced a trap composed of 3 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:25:26] [INFO ] Deduced a trap composed of 37 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:25:26] [INFO ] Deduced a trap composed of 36 places in 84 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:25:26] [INFO ] Deduced a trap composed of 22 places in 100 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:25:26] [INFO ] Deduced a trap composed of 15 places in 100 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:25:26] [INFO ] Deduced a trap composed of 17 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:25:27] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:25:27] [INFO ] Deduced a trap composed of 37 places in 53 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 4 (OVERLAPS) 260/368 variables, 108/125 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 38/163 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/368 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 7 (OVERLAPS) 1/369 variables, 1/164 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/369 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 9 (OVERLAPS) 0/369 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 286 unsolved
No progress, stopping.
After SMT solving in domain Real declared 369/369 variables, and 164 constraints, problems are : Problem set: 0 solved, 286 unsolved in 25837 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 108/108 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 286/286 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 286 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 4 (OVERLAPS) 260/368 variables, 108/125 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 38/163 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/368 variables, 286/449 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/449 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 8 (OVERLAPS) 1/369 variables, 1/450 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/369 variables, 0/450 constraints. Problems are: Problem set: 0 solved, 286 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 369/369 variables, and 450 constraints, problems are : Problem set: 0 solved, 286 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 108/108 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 286/286 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 55938ms problems are : Problem set: 0 solved, 286 unsolved
Search for dead transitions found 0 dead transitions in 55940ms
Finished structural reductions in LTL mode , in 1 iterations and 56449 ms. Remains : 108/108 places, 287/287 transitions.
Stuttering acceptance computed with spot in 449 ms :[(NOT p2), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2)]
Running random walk in product with property : FireWire-PT-03-LTLFireability-03
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-03-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-03-LTLFireability-03 finished in 56938 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0||X(p0))) U X(X(p1))))'
Support contains 4 out of 108 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 287/287 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 107 transition count 285
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 107 transition count 285
Applied a total of 2 rules in 2 ms. Remains 107 /108 variables (removed 1) and now considering 285/287 (removed 2) transitions.
[2025-06-02 06:26:19] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
// Phase 1: matrix 259 rows 107 cols
[2025-06-02 06:26:19] [INFO ] Computed 9 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:26:19] [INFO ] Implicit Places using invariants in 104 ms returned []
[2025-06-02 06:26:19] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:26:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:26:20] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-06-02 06:26:20] [INFO ] Implicit Places using invariants and state equation in 245 ms returned []
Implicit Place search using SMT with State Equation took 351 ms to find 0 implicit places.
Running 284 sub problems to find dead transitions.
[2025-06-02 06:26:20] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:26:20] [INFO ] Invariant cache hit.
[2025-06-02 06:26:20] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 284 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:26:22] [INFO ] Deduced a trap composed of 3 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:26:22] [INFO ] Deduced a trap composed of 36 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:26:23] [INFO ] Deduced a trap composed of 36 places in 136 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:26:23] [INFO ] Deduced a trap composed of 22 places in 122 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:26:23] [INFO ] Deduced a trap composed of 17 places in 126 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:26:23] [INFO ] Deduced a trap composed of 15 places in 124 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:26:23] [INFO ] Deduced a trap composed of 17 places in 87 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:26:24] [INFO ] Deduced a trap composed of 36 places in 43 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/124 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 38/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 7 (OVERLAPS) 1/366 variables, 1/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/366 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 9 (OVERLAPS) 0/366 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
No progress, stopping.
After SMT solving in domain Real declared 366/366 variables, and 163 constraints, problems are : Problem set: 0 solved, 284 unsolved in 24374 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 284/284 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 284 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/124 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 38/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 284/446 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 8 (OVERLAPS) 1/366 variables, 1/447 constraints. Problems are: Problem set: 0 solved, 284 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 366/366 variables, and 447 constraints, problems are : Problem set: 0 solved, 284 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 284/284 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 54461ms problems are : Problem set: 0 solved, 284 unsolved
Search for dead transitions found 0 dead transitions in 54463ms
Starting structural reductions in LTL mode, iteration 1 : 107/108 places, 285/287 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 54816 ms. Remains : 107/108 places, 285/287 transitions.
Stuttering acceptance computed with spot in 348 ms :[(NOT p1), false, (NOT p1), (AND p0 (NOT p1)), true, (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0), (NOT p0)]
Running random walk in product with property : FireWire-PT-03-LTLFireability-04
Stuttering criterion allowed to conclude after 7 steps with 2 reset in 1 ms.
FORMULA FireWire-PT-03-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-03-LTLFireability-04 finished in 55185 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 108 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 108/108 places, 287/287 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 108 transition count 286
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 107 transition count 286
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 106 transition count 284
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 106 transition count 284
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 104 transition count 282
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -4
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 12 place count 102 transition count 286
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 0 with 6 rules applied. Total rules applied 18 place count 102 transition count 280
Applied a total of 18 rules in 27 ms. Remains 102 /108 variables (removed 6) and now considering 280/287 (removed 7) transitions.
[2025-06-02 06:27:15] [INFO ] Flow matrix only has 251 transitions (discarded 29 similar events)
// Phase 1: matrix 251 rows 102 cols
[2025-06-02 06:27:15] [INFO ] Computed 9 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:27:15] [INFO ] Implicit Places using invariants in 125 ms returned [101]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 128 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 101/108 places, 280/287 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 101 transition count 279
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 100 transition count 279
Applied a total of 2 rules in 10 ms. Remains 100 /101 variables (removed 1) and now considering 279/280 (removed 1) transitions.
[2025-06-02 06:27:15] [INFO ] Flow matrix only has 250 transitions (discarded 29 similar events)
// Phase 1: matrix 250 rows 100 cols
[2025-06-02 06:27:15] [INFO ] Computed 8 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:27:15] [INFO ] Implicit Places using invariants in 128 ms returned []
[2025-06-02 06:27:15] [INFO ] Flow matrix only has 250 transitions (discarded 29 similar events)
[2025-06-02 06:27:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:27:15] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-06-02 06:27:15] [INFO ] Implicit Places using invariants and state equation in 240 ms returned []
Implicit Place search using SMT with State Equation took 369 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 100/108 places, 279/287 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 535 ms. Remains : 100/108 places, 279/287 transitions.
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FireWire-PT-03-LTLFireability-05
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-03-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-03-LTLFireability-05 finished in 629 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)||(G((!(p0 U p2)||p1))&&X(X(p3))))))'
Support contains 6 out of 108 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 287/287 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 107 transition count 285
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 107 transition count 285
Applied a total of 2 rules in 1 ms. Remains 107 /108 variables (removed 1) and now considering 285/287 (removed 2) transitions.
[2025-06-02 06:27:15] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
// Phase 1: matrix 259 rows 107 cols
[2025-06-02 06:27:15] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:27:15] [INFO ] Implicit Places using invariants in 110 ms returned []
[2025-06-02 06:27:15] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:27:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:27:15] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-06-02 06:27:16] [INFO ] Implicit Places using invariants and state equation in 307 ms returned []
Implicit Place search using SMT with State Equation took 419 ms to find 0 implicit places.
Running 284 sub problems to find dead transitions.
[2025-06-02 06:27:16] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:27:16] [INFO ] Invariant cache hit.
[2025-06-02 06:27:16] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 284 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:27:18] [INFO ] Deduced a trap composed of 3 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:27:18] [INFO ] Deduced a trap composed of 36 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:27:18] [INFO ] Deduced a trap composed of 36 places in 96 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:27:19] [INFO ] Deduced a trap composed of 22 places in 139 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:27:19] [INFO ] Deduced a trap composed of 17 places in 93 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:27:19] [INFO ] Deduced a trap composed of 15 places in 80 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:27:19] [INFO ] Deduced a trap composed of 17 places in 138 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:27:20] [INFO ] Deduced a trap composed of 36 places in 60 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/124 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 38/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 7 (OVERLAPS) 1/366 variables, 1/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/366 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 9 (OVERLAPS) 0/366 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
No progress, stopping.
After SMT solving in domain Real declared 366/366 variables, and 163 constraints, problems are : Problem set: 0 solved, 284 unsolved in 24481 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 284/284 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 284 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/124 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 38/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 284/446 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 8 (OVERLAPS) 1/366 variables, 1/447 constraints. Problems are: Problem set: 0 solved, 284 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 366/366 variables, and 447 constraints, problems are : Problem set: 0 solved, 284 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 284/284 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 54576ms problems are : Problem set: 0 solved, 284 unsolved
Search for dead transitions found 0 dead transitions in 54577ms
Starting structural reductions in LTL mode, iteration 1 : 107/108 places, 285/287 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 54997 ms. Remains : 107/108 places, 285/287 transitions.
Stuttering acceptance computed with spot in 479 ms :[(OR (AND (NOT p0) (NOT p1) p2) (AND (NOT p0) (NOT p3))), (OR (AND (NOT p0) (NOT p1) p2) (AND (NOT p0) (NOT p3))), true, (NOT p0), (AND (NOT p1) p2), (NOT p3), (AND (NOT p0) p1 p2), (AND p2 (NOT p0) (NOT p1)), (AND (NOT p3) (NOT p0)), (AND p1 p2), (NOT p3), (AND (NOT p0) (NOT p3))]
Running random walk in product with property : FireWire-PT-03-LTLFireability-06
Product exploration explored 100000 steps with 0 reset in 232 ms.
Product exploration explored 100000 steps with 8 reset in 190 ms.
Computed a total of 3 stabilizing places and 2 stable transitions
Computed a total of 3 stabilizing places and 2 stable transitions
Knowledge obtained : [(AND (NOT p0) p1 (NOT p2) p3), (X (NOT p2)), (X (NOT (AND p0 (NOT p1) p2))), (X (NOT (AND (NOT p0) (NOT p1) p2))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (OR (AND (NOT p0) p1) (AND (NOT p0) (NOT p2)))), (X (NOT p0)), (X p1), (X (NOT (OR (AND p0 p1) (AND p0 (NOT p2))))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT (AND (NOT p0) p1 p2)))), (X (X (NOT (AND p0 (NOT p1) p2)))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (NOT (AND p0 p1 p2)))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X (OR (AND (NOT p0) p1) (AND (NOT p0) (NOT p2))))), (X (X (OR p1 (NOT p2)))), (X (X (NOT p0))), (X (X p1)), (X (X (NOT (OR (AND p0 p1) (AND p0 (NOT p2))))))]
False Knowledge obtained : []
Knowledge based reduction with 22 factoid took 169 ms. Reduced automaton from 12 states, 30 edges and 4 AP (stutter sensitive) to 7 states, 11 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 294 ms :[(OR (NOT p3) (AND (NOT p1) p2)), (OR (NOT p3) (AND (NOT p1) p2)), true, (AND (NOT p1) p2), (NOT p3), (AND p1 p2), (NOT p3)]
Reduction of identical properties reduced properties to check from 9 to 8
RANDOM walk for 40000 steps (1991 resets) in 324 ms. (123 steps per ms) remains 5/8 properties
BEST_FIRST walk for 40003 steps (17 resets) in 194 ms. (205 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (32 resets) in 46 ms. (851 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (545 resets) in 85 ms. (465 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (514 resets) in 57 ms. (689 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (473 resets) in 57 ms. (689 steps per ms) remains 5/5 properties
[2025-06-02 06:28:12] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:28:12] [INFO ] Invariant cache hit.
[2025-06-02 06:28:12] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem apf1 is UNSAT
Problem apf2 is UNSAT
At refinement iteration 1 (OVERLAPS) 68/74 variables, 3/3 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 33/107 variables, 6/9 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 0/9 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 258/365 variables, 107/116 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 38/154 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 0/154 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 1/366 variables, 1/155 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/366 variables, 0/155 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/366 variables, 0/155 constraints. Problems are: Problem set: 2 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 366/366 variables, and 155 constraints, problems are : Problem set: 2 solved, 3 unsolved in 243 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 68/74 variables, 3/3 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 33/107 variables, 6/9 constraints. Problems are: Problem set: 2 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:28:12] [INFO ] Deduced a trap composed of 22 places in 106 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:28:12] [INFO ] Deduced a trap composed of 36 places in 45 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 2/11 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/107 variables, 0/11 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 258/365 variables, 107/118 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 38/156 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/365 variables, 3/159 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/365 variables, 0/159 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 1/366 variables, 1/160 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/366 variables, 0/160 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 0/366 variables, 0/160 constraints. Problems are: Problem set: 2 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 366/366 variables, and 160 constraints, problems are : Problem set: 2 solved, 3 unsolved in 1064 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 3/5 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1326ms problems are : Problem set: 2 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 61 ms.
Support contains 6 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 285/285 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 107 transition count 282
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 3 place count 107 transition count 281
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 106 transition count 281
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 9 place count 104 transition count 279
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -5
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 13 place count 102 transition count 284
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 17 place count 102 transition count 280
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 21 place count 102 transition count 276
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 2 with 2 rules applied. Total rules applied 23 place count 102 transition count 302
Reduce places removed 2 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 29 place count 100 transition count 298
Drop transitions (Redundant composition of simpler transitions.) removed 13 transitions
Redundant transition composition rules discarded 13 transitions
Iterating global reduction 3 with 13 rules applied. Total rules applied 42 place count 100 transition count 285
Applied a total of 42 rules in 30 ms. Remains 100 /107 variables (removed 7) and now considering 285/285 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 100/107 places, 285/285 transitions.
RANDOM walk for 40000 steps (2154 resets) in 168 ms. (236 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (562 resets) in 50 ms. (784 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (571 resets) in 66 ms. (597 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (586 resets) in 62 ms. (634 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 746286 steps, run timeout after 3001 ms. (steps per millisecond=248 ) properties seen :0 out of 3
Probabilistic random walk after 746286 steps, saw 146338 distinct states, run finished after 3001 ms. (steps per millisecond=248 ) properties seen :0
[2025-06-02 06:28:16] [INFO ] Flow matrix only has 258 transitions (discarded 27 similar events)
// Phase 1: matrix 258 rows 100 cols
[2025-06-02 06:28:16] [INFO ] Computed 9 invariants in 1 ms
[2025-06-02 06:28:16] [INFO ] State equation strengthened by 41 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 64/70 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 30/100 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 258/358 variables, 100/109 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/358 variables, 41/150 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/358 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/358 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 358/358 variables, and 150 constraints, problems are : Problem set: 0 solved, 3 unsolved in 270 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 100/100 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 64/70 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 30/100 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:28:17] [INFO ] Deduced a trap composed of 22 places in 125 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:28:17] [INFO ] Deduced a trap composed of 16 places in 86 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:28:17] [INFO ] Deduced a trap composed of 33 places in 40 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 258/358 variables, 100/112 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/358 variables, 41/153 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/358 variables, 3/156 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/358 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/358 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 358/358 variables, and 156 constraints, problems are : Problem set: 0 solved, 3 unsolved in 781 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 100/100 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1060ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 314 ms.
Support contains 6 out of 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 285/285 transitions.
Applied a total of 0 rules in 7 ms. Remains 100 /100 variables (removed 0) and now considering 285/285 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 100/100 places, 285/285 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 285/285 transitions.
Applied a total of 0 rules in 7 ms. Remains 100 /100 variables (removed 0) and now considering 285/285 (removed 0) transitions.
[2025-06-02 06:28:18] [INFO ] Flow matrix only has 258 transitions (discarded 27 similar events)
[2025-06-02 06:28:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:28:18] [INFO ] Implicit Places using invariants in 116 ms returned [99]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 117 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 99/100 places, 285/285 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 99 transition count 284
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 98 transition count 284
Applied a total of 2 rules in 13 ms. Remains 98 /99 variables (removed 1) and now considering 284/285 (removed 1) transitions.
[2025-06-02 06:28:18] [INFO ] Flow matrix only has 257 transitions (discarded 27 similar events)
// Phase 1: matrix 257 rows 98 cols
[2025-06-02 06:28:18] [INFO ] Computed 8 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:28:18] [INFO ] Implicit Places using invariants in 113 ms returned []
[2025-06-02 06:28:18] [INFO ] Flow matrix only has 257 transitions (discarded 27 similar events)
[2025-06-02 06:28:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:28:18] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-02 06:28:18] [INFO ] Implicit Places using invariants and state equation in 259 ms returned []
Implicit Place search using SMT with State Equation took 375 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 98/100 places, 284/285 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 513 ms. Remains : 98/100 places, 284/285 transitions.
RANDOM walk for 40000 steps (2293 resets) in 164 ms. (242 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (673 resets) in 56 ms. (701 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (565 resets) in 63 ms. (625 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (551 resets) in 56 ms. (701 steps per ms) remains 3/3 properties
Finished probabilistic random walk after 5245 steps, run visited all 3 properties in 73 ms. (steps per millisecond=71 )
Probabilistic random walk after 5245 steps, saw 3009 distinct states, run finished after 73 ms. (steps per millisecond=71 ) properties seen :3
Found 3 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) p1 (NOT p2) p3), (X (NOT p2)), (X (NOT (AND p0 (NOT p1) p2))), (X (NOT (AND (NOT p0) (NOT p1) p2))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (OR (AND (NOT p0) p1) (AND (NOT p0) (NOT p2)))), (X (NOT p0)), (X p1), (X (NOT (OR (AND p0 p1) (AND p0 (NOT p2))))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT (AND (NOT p0) p1 p2)))), (X (X (NOT (AND p0 (NOT p1) p2)))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (NOT (AND p0 p1 p2)))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X (OR (AND (NOT p0) p1) (AND (NOT p0) (NOT p2))))), (X (X (OR p1 (NOT p2)))), (X (X (NOT p0))), (X (X p1)), (X (X (NOT (OR (AND p0 p1) (AND p0 (NOT p2)))))), (G (OR p1 (NOT p2))), (G (OR p1 (NOT p2))), (G (OR (NOT p0) p1 p2))]
False Knowledge obtained : [(F (NOT p3)), (F (NOT (OR (NOT p0) (NOT p1) p2))), (F (NOT (OR (NOT p1) (NOT p2)))), (F p2), (F (NOT p1)), (F p0)]
Knowledge based reduction with 25 factoid took 338 ms. Reduced automaton from 7 states, 11 edges and 4 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 141 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), true]
Stuttering acceptance computed with spot in 151 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), true]
Support contains 2 out of 107 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 107/107 places, 285/285 transitions.
Applied a total of 0 rules in 1 ms. Remains 107 /107 variables (removed 0) and now considering 285/285 (removed 0) transitions.
[2025-06-02 06:28:19] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
// Phase 1: matrix 259 rows 107 cols
[2025-06-02 06:28:19] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:28:19] [INFO ] Implicit Places using invariants in 115 ms returned []
[2025-06-02 06:28:19] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:28:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:28:19] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-06-02 06:28:20] [INFO ] Implicit Places using invariants and state equation in 236 ms returned []
Implicit Place search using SMT with State Equation took 354 ms to find 0 implicit places.
Running 284 sub problems to find dead transitions.
[2025-06-02 06:28:20] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:28:20] [INFO ] Invariant cache hit.
[2025-06-02 06:28:20] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 284 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:28:22] [INFO ] Deduced a trap composed of 3 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:28:22] [INFO ] Deduced a trap composed of 36 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:28:23] [INFO ] Deduced a trap composed of 36 places in 110 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:28:23] [INFO ] Deduced a trap composed of 22 places in 111 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:28:23] [INFO ] Deduced a trap composed of 17 places in 109 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:28:23] [INFO ] Deduced a trap composed of 15 places in 97 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:28:23] [INFO ] Deduced a trap composed of 17 places in 110 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:28:24] [INFO ] Deduced a trap composed of 36 places in 42 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/124 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 38/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 7 (OVERLAPS) 1/366 variables, 1/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/366 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 9 (OVERLAPS) 0/366 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
No progress, stopping.
After SMT solving in domain Real declared 366/366 variables, and 163 constraints, problems are : Problem set: 0 solved, 284 unsolved in 26252 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 284/284 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 284 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/124 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 38/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 284/446 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 8 (OVERLAPS) 1/366 variables, 1/447 constraints. Problems are: Problem set: 0 solved, 284 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 366/366 variables, and 447 constraints, problems are : Problem set: 0 solved, 284 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 284/284 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 56342ms problems are : Problem set: 0 solved, 284 unsolved
Search for dead transitions found 0 dead transitions in 56342ms
Finished structural reductions in LTL mode , in 1 iterations and 56698 ms. Remains : 107/107 places, 285/285 transitions.
Computed a total of 3 stabilizing places and 2 stable transitions
Computed a total of 3 stabilizing places and 2 stable transitions
Knowledge obtained : [p3]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 72 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 143 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), true]
RANDOM walk for 40000 steps (1988 resets) in 101 ms. (392 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (487 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1805701 steps, run timeout after 3001 ms. (steps per millisecond=601 ) properties seen :0 out of 1
Probabilistic random walk after 1805701 steps, saw 275989 distinct states, run finished after 3001 ms. (steps per millisecond=601 ) properties seen :0
[2025-06-02 06:29:19] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:29:19] [INFO ] Invariant cache hit.
[2025-06-02 06:29:19] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 53/55 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 52/107 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 258/365 variables, 107/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 38/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/366 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/366 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/366 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 366/366 variables, and 155 constraints, problems are : Problem set: 0 solved, 1 unsolved in 150 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 53/55 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 52/107 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:29:19] [INFO ] Deduced a trap composed of 3 places in 84 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:29:20] [INFO ] Deduced a trap composed of 17 places in 101 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:29:20] [INFO ] Deduced a trap composed of 22 places in 94 ms of which 15 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/107 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 258/365 variables, 107/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 38/157 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/365 variables, 1/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/365 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/366 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/366 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/366 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 366/366 variables, and 159 constraints, problems are : Problem set: 0 solved, 1 unsolved in 538 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 700ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 6 ms.
Support contains 2 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 285/285 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 107 transition count 282
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 3 place count 107 transition count 281
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 106 transition count 281
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 9 place count 104 transition count 279
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 15 place count 101 transition count 286
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 21 place count 101 transition count 280
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 2 with 5 rules applied. Total rules applied 26 place count 101 transition count 275
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 27 place count 101 transition count 277
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 30 place count 100 transition count 275
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 32 place count 100 transition count 273
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 33 place count 99 transition count 272
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 34 place count 98 transition count 272
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 34 place count 98 transition count 271
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 36 place count 97 transition count 271
Applied a total of 36 rules in 36 ms. Remains 97 /107 variables (removed 10) and now considering 271/285 (removed 14) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 97/107 places, 271/285 transitions.
RANDOM walk for 40000 steps (2450 resets) in 90 ms. (439 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (571 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 4654 steps, run visited all 1 properties in 20 ms. (steps per millisecond=232 )
Probabilistic random walk after 4654 steps, saw 2295 distinct states, run finished after 20 ms. (steps per millisecond=232 ) properties seen :1
Knowledge obtained : [p3]
False Knowledge obtained : [(F (NOT p3))]
Knowledge based reduction with 1 factoid took 133 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 162 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), true]
Stuttering acceptance computed with spot in 162 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), true]
Stuttering acceptance computed with spot in 157 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), true]
Product exploration explored 100000 steps with 25000 reset in 173 ms.
Product exploration explored 100000 steps with 25000 reset in 235 ms.
Applying partial POR strategy [true, false, false, false, true]
Stuttering acceptance computed with spot in 185 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), true]
Support contains 2 out of 107 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 107/107 places, 285/285 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 107 transition count 286
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 107 transition count 286
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 3 places in 0 ms
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 107 transition count 286
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 6 places in 0 ms
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 107 transition count 299
Deduced a syphon composed of 6 places in 2 ms
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 14 place count 107 transition count 291
Deduced a syphon composed of 6 places in 0 ms
Applied a total of 14 rules in 23 ms. Remains 107 /107 variables (removed 0) and now considering 291/285 (removed -6) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:29:21] [INFO ] Redundant transitions in 5 ms returned []
Running 290 sub problems to find dead transitions.
[2025-06-02 06:29:21] [INFO ] Flow matrix only has 259 transitions (discarded 32 similar events)
// Phase 1: matrix 259 rows 107 cols
[2025-06-02 06:29:21] [INFO ] Computed 9 invariants in 2 ms
[2025-06-02 06:29:21] [INFO ] State equation strengthened by 41 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 290 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:29:25] [INFO ] Deduced a trap composed of 2 places in 24 ms of which 2 ms to minimize.
Problem TDEAD0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:29:25] [INFO ] Deduced a trap composed of 34 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:29:25] [INFO ] Deduced a trap composed of 41 places in 44 ms of which 3 ms to minimize.
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD8 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:29:25] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:29:25] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 3 ms to minimize.
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:29:25] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:29:25] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 3 ms to minimize.
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:29:25] [INFO ] Deduced a trap composed of 36 places in 93 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:29:25] [INFO ] Deduced a trap composed of 22 places in 157 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:29:26] [INFO ] Deduced a trap composed of 15 places in 98 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:29:26] [INFO ] Deduced a trap composed of 33 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:29:26] [INFO ] Deduced a trap composed of 5 places in 34 ms of which 2 ms to minimize.
Problem TDEAD256 is UNSAT
Problem TDEAD257 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 12/21 constraints. Problems are: Problem set: 10 solved, 280 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/21 constraints. Problems are: Problem set: 10 solved, 280 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/128 constraints. Problems are: Problem set: 10 solved, 280 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 40/168 constraints. Problems are: Problem set: 10 solved, 280 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 0/168 constraints. Problems are: Problem set: 10 solved, 280 unsolved
At refinement iteration 7 (OVERLAPS) 1/366 variables, 1/169 constraints. Problems are: Problem set: 10 solved, 280 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/366 variables, 0/169 constraints. Problems are: Problem set: 10 solved, 280 unsolved
At refinement iteration 9 (OVERLAPS) 0/366 variables, 0/169 constraints. Problems are: Problem set: 10 solved, 280 unsolved
No progress, stopping.
After SMT solving in domain Real declared 366/366 variables, and 169 constraints, problems are : Problem set: 10 solved, 280 unsolved in 27695 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 10 solved, 280 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 0/0 constraints. Problems are: Problem set: 10 solved, 280 unsolved
At refinement iteration 1 (OVERLAPS) 7/107 variables, 9/9 constraints. Problems are: Problem set: 10 solved, 280 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 12/21 constraints. Problems are: Problem set: 10 solved, 280 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/21 constraints. Problems are: Problem set: 10 solved, 280 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/128 constraints. Problems are: Problem set: 10 solved, 280 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 40/168 constraints. Problems are: Problem set: 10 solved, 280 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 280/448 constraints. Problems are: Problem set: 10 solved, 280 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 0/448 constraints. Problems are: Problem set: 10 solved, 280 unsolved
At refinement iteration 8 (OVERLAPS) 1/366 variables, 1/449 constraints. Problems are: Problem set: 10 solved, 280 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 366/366 variables, and 449 constraints, problems are : Problem set: 10 solved, 280 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 280/290 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 57837ms problems are : Problem set: 10 solved, 280 unsolved
Search for dead transitions found 10 dead transitions in 57838ms
Found 10 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 10 transitions
Dead transitions reduction (with SMT) removed 10 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 107/107 places, 281/285 transitions.
Graph (complete) has 554 edges and 107 vertex of which 101 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.2 ms
Discarding 6 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 14 ms. Remains 101 /107 variables (removed 6) and now considering 281/281 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 101/107 places, 281/285 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 57890 ms. Remains : 101/107 places, 281/285 transitions.
Built C files in :
/tmp/ltsmin17696148004080960450
[2025-06-02 06:30:19] [INFO ] Built C files in 29ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17696148004080960450
Running compilation step : cd /tmp/ltsmin17696148004080960450;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 918 ms.
Running link step : cd /tmp/ltsmin17696148004080960450;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 57 ms.
Running LTSmin : cd /tmp/ltsmin17696148004080960450;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased12868438236292876442.hoa' '--buchi-type=spotba'
LTSmin run took 2080 ms.
FORMULA FireWire-PT-03-LTLFireability-06 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property FireWire-PT-03-LTLFireability-06 finished in 187360 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(p0) U !p1) U ((X(X(X(X(p1)))) U p2)||p3)))'
Support contains 8 out of 108 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 287/287 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 107 transition count 285
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 107 transition count 285
Applied a total of 2 rules in 3 ms. Remains 107 /108 variables (removed 1) and now considering 285/287 (removed 2) transitions.
[2025-06-02 06:30:23] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
// Phase 1: matrix 259 rows 107 cols
[2025-06-02 06:30:23] [INFO ] Computed 9 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:30:23] [INFO ] Implicit Places using invariants in 107 ms returned []
[2025-06-02 06:30:23] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:30:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:30:23] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-06-02 06:30:23] [INFO ] Implicit Places using invariants and state equation in 304 ms returned []
Implicit Place search using SMT with State Equation took 434 ms to find 0 implicit places.
Running 284 sub problems to find dead transitions.
[2025-06-02 06:30:23] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:30:23] [INFO ] Invariant cache hit.
[2025-06-02 06:30:23] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 284 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:30:26] [INFO ] Deduced a trap composed of 3 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:30:26] [INFO ] Deduced a trap composed of 36 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:30:26] [INFO ] Deduced a trap composed of 36 places in 100 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:30:26] [INFO ] Deduced a trap composed of 22 places in 84 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:30:26] [INFO ] Deduced a trap composed of 17 places in 90 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:30:26] [INFO ] Deduced a trap composed of 15 places in 75 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:30:27] [INFO ] Deduced a trap composed of 17 places in 83 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:30:27] [INFO ] Deduced a trap composed of 36 places in 41 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/124 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 38/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 7 (OVERLAPS) 1/366 variables, 1/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/366 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 9 (OVERLAPS) 0/366 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
No progress, stopping.
After SMT solving in domain Real declared 366/366 variables, and 163 constraints, problems are : Problem set: 0 solved, 284 unsolved in 28280 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 284/284 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 284 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/124 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 38/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 284/446 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 8 (OVERLAPS) 1/366 variables, 1/447 constraints. Problems are: Problem set: 0 solved, 284 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 366/366 variables, and 447 constraints, problems are : Problem set: 0 solved, 284 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 284/284 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 58437ms problems are : Problem set: 0 solved, 284 unsolved
Search for dead transitions found 0 dead transitions in 58439ms
Starting structural reductions in LTL mode, iteration 1 : 107/108 places, 285/287 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 58877 ms. Remains : 107/108 places, 285/287 transitions.
Stuttering acceptance computed with spot in 423 ms :[(AND (NOT p2) (NOT p3)), (OR (AND (NOT p0) (NOT p1)) (AND p1 (NOT p2))), (NOT p1), (OR (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p0)), (NOT p1), (NOT p1), true, (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FireWire-PT-03-LTLFireability-07
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-03-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-03-LTLFireability-07 finished in 59327 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X((G(p1) U !p2))))'
Support contains 5 out of 108 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 287/287 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 107 transition count 285
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 107 transition count 285
Applied a total of 2 rules in 3 ms. Remains 107 /108 variables (removed 1) and now considering 285/287 (removed 2) transitions.
[2025-06-02 06:31:22] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:31:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:31:22] [INFO ] Implicit Places using invariants in 135 ms returned []
[2025-06-02 06:31:22] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:31:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:31:22] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-06-02 06:31:22] [INFO ] Implicit Places using invariants and state equation in 248 ms returned []
Implicit Place search using SMT with State Equation took 385 ms to find 0 implicit places.
Running 284 sub problems to find dead transitions.
[2025-06-02 06:31:22] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:31:22] [INFO ] Invariant cache hit.
[2025-06-02 06:31:22] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 284 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:31:26] [INFO ] Deduced a trap composed of 3 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:31:26] [INFO ] Deduced a trap composed of 36 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:31:26] [INFO ] Deduced a trap composed of 36 places in 142 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:31:26] [INFO ] Deduced a trap composed of 22 places in 111 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:31:26] [INFO ] Deduced a trap composed of 17 places in 113 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:31:26] [INFO ] Deduced a trap composed of 15 places in 105 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:31:27] [INFO ] Deduced a trap composed of 17 places in 123 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:31:27] [INFO ] Deduced a trap composed of 36 places in 61 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/124 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 38/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 7 (OVERLAPS) 1/366 variables, 1/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/366 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 9 (OVERLAPS) 0/366 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
No progress, stopping.
After SMT solving in domain Real declared 366/366 variables, and 163 constraints, problems are : Problem set: 0 solved, 284 unsolved in 24798 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 284/284 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 284 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/124 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 38/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 284/446 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 8 (OVERLAPS) 1/366 variables, 1/447 constraints. Problems are: Problem set: 0 solved, 284 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 366/366 variables, and 447 constraints, problems are : Problem set: 0 solved, 284 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 284/284 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 54872ms problems are : Problem set: 0 solved, 284 unsolved
Search for dead transitions found 0 dead transitions in 54873ms
Starting structural reductions in LTL mode, iteration 1 : 107/108 places, 285/287 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 55262 ms. Remains : 107/108 places, 285/287 transitions.
Stuttering acceptance computed with spot in 227 ms :[(AND (NOT p0) p2), p2, (AND (NOT p0) p2), true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FireWire-PT-03-LTLFireability-08
Product exploration explored 100000 steps with 50000 reset in 133 ms.
Product exploration explored 100000 steps with 50000 reset in 148 ms.
Computed a total of 3 stabilizing places and 2 stable transitions
Computed a total of 3 stabilizing places and 2 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT (AND p2 p1))), (X (NOT (AND p2 (NOT p1)))), (X (NOT (AND (NOT p0) p2 (NOT p1)))), (X (NOT (AND p0 p2 (NOT p1)))), (X (NOT (AND (NOT p0) p2 p1))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND p0 p2 p1))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND (NOT p0) p2 (NOT p1))))), (X (X (NOT (AND p0 p2 (NOT p1))))), (X (X (NOT (AND (NOT p0) p2 p1)))), (X (X (NOT (AND p0 p2 p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 23 factoid took 19 ms. Reduced automaton from 7 states, 20 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FireWire-PT-03-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FireWire-PT-03-LTLFireability-08 finished in 55817 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 108 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 108/108 places, 287/287 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 107 transition count 285
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 106 transition count 285
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 105 transition count 283
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 105 transition count 283
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 6 place count 104 transition count 282
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 101 transition count 289
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 20 place count 101 transition count 281
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 21 place count 100 transition count 280
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 22 place count 99 transition count 280
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 22 place count 99 transition count 279
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 24 place count 98 transition count 279
Applied a total of 24 rules in 27 ms. Remains 98 /108 variables (removed 10) and now considering 279/287 (removed 8) transitions.
[2025-06-02 06:32:18] [INFO ] Flow matrix only has 247 transitions (discarded 32 similar events)
// Phase 1: matrix 247 rows 98 cols
[2025-06-02 06:32:18] [INFO ] Computed 8 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:32:18] [INFO ] Implicit Places using invariants in 124 ms returned []
[2025-06-02 06:32:18] [INFO ] Flow matrix only has 247 transitions (discarded 32 similar events)
[2025-06-02 06:32:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:32:18] [INFO ] State equation strengthened by 37 read => feed constraints.
[2025-06-02 06:32:18] [INFO ] Implicit Places using invariants and state equation in 274 ms returned []
Implicit Place search using SMT with State Equation took 400 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:32:18] [INFO ] Redundant transitions in 4 ms returned []
Running 276 sub problems to find dead transitions.
[2025-06-02 06:32:18] [INFO ] Flow matrix only has 247 transitions (discarded 32 similar events)
[2025-06-02 06:32:18] [INFO ] Invariant cache hit.
[2025-06-02 06:32:18] [INFO ] State equation strengthened by 37 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 276 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:32:20] [INFO ] Deduced a trap composed of 35 places in 118 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:32:20] [INFO ] Deduced a trap composed of 21 places in 143 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:32:20] [INFO ] Deduced a trap composed of 15 places in 79 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:32:20] [INFO ] Deduced a trap composed of 23 places in 126 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:32:20] [INFO ] Deduced a trap composed of 33 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:32:20] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:32:21] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:32:21] [INFO ] Deduced a trap composed of 32 places in 47 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 3 (OVERLAPS) 246/344 variables, 98/114 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/344 variables, 37/151 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/344 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 6 (OVERLAPS) 0/344 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 276 unsolved
No progress, stopping.
After SMT solving in domain Real declared 344/345 variables, and 151 constraints, problems are : Problem set: 0 solved, 276 unsolved in 19728 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 98/98 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 276/276 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 276 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 3 (OVERLAPS) 246/344 variables, 98/114 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/344 variables, 37/151 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/344 variables, 276/427 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/344 variables, 0/427 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 7 (OVERLAPS) 0/344 variables, 0/427 constraints. Problems are: Problem set: 0 solved, 276 unsolved
No progress, stopping.
After SMT solving in domain Int declared 344/345 variables, and 427 constraints, problems are : Problem set: 0 solved, 276 unsolved in 27664 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 98/98 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 276/276 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 47459ms problems are : Problem set: 0 solved, 276 unsolved
Search for dead transitions found 0 dead transitions in 47460ms
Starting structural reductions in SI_LTL mode, iteration 1 : 98/108 places, 279/287 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 47897 ms. Remains : 98/108 places, 279/287 transitions.
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Running random walk in product with property : FireWire-PT-03-LTLFireability-09
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA FireWire-PT-03-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-03-LTLFireability-09 finished in 47960 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0&&F(p1)))))'
Support contains 3 out of 108 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 287/287 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 107 transition count 285
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 107 transition count 285
Applied a total of 2 rules in 3 ms. Remains 107 /108 variables (removed 1) and now considering 285/287 (removed 2) transitions.
[2025-06-02 06:33:06] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
// Phase 1: matrix 259 rows 107 cols
[2025-06-02 06:33:06] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:33:06] [INFO ] Implicit Places using invariants in 83 ms returned []
[2025-06-02 06:33:06] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:33:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:33:06] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-06-02 06:33:06] [INFO ] Implicit Places using invariants and state equation in 258 ms returned []
Implicit Place search using SMT with State Equation took 343 ms to find 0 implicit places.
Running 284 sub problems to find dead transitions.
[2025-06-02 06:33:06] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:33:06] [INFO ] Invariant cache hit.
[2025-06-02 06:33:06] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 284 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:33:09] [INFO ] Deduced a trap composed of 3 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:33:09] [INFO ] Deduced a trap composed of 36 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:33:09] [INFO ] Deduced a trap composed of 36 places in 124 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:33:10] [INFO ] Deduced a trap composed of 22 places in 143 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:33:10] [INFO ] Deduced a trap composed of 17 places in 89 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:33:10] [INFO ] Deduced a trap composed of 15 places in 120 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:33:10] [INFO ] Deduced a trap composed of 17 places in 106 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:33:11] [INFO ] Deduced a trap composed of 36 places in 41 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/124 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 38/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 7 (OVERLAPS) 1/366 variables, 1/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/366 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 9 (OVERLAPS) 0/366 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
No progress, stopping.
After SMT solving in domain Real declared 366/366 variables, and 163 constraints, problems are : Problem set: 0 solved, 284 unsolved in 25594 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 284/284 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 284 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/124 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 38/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 284/446 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 8 (OVERLAPS) 1/366 variables, 1/447 constraints. Problems are: Problem set: 0 solved, 284 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 366/366 variables, and 447 constraints, problems are : Problem set: 0 solved, 284 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 284/284 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 55692ms problems are : Problem set: 0 solved, 284 unsolved
Search for dead transitions found 0 dead transitions in 55693ms
Starting structural reductions in LTL mode, iteration 1 : 107/108 places, 285/287 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 56041 ms. Remains : 107/108 places, 285/287 transitions.
Stuttering acceptance computed with spot in 151 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (OR (NOT p0) (NOT p1))]
Running random walk in product with property : FireWire-PT-03-LTLFireability-10
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA FireWire-PT-03-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-03-LTLFireability-10 finished in 56206 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((X(p1)&&p0))))'
Support contains 5 out of 108 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 287/287 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 107 transition count 285
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 107 transition count 285
Applied a total of 2 rules in 3 ms. Remains 107 /108 variables (removed 1) and now considering 285/287 (removed 2) transitions.
[2025-06-02 06:34:02] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:34:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:34:02] [INFO ] Implicit Places using invariants in 129 ms returned []
[2025-06-02 06:34:02] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:34:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:34:02] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-06-02 06:34:02] [INFO ] Implicit Places using invariants and state equation in 338 ms returned []
Implicit Place search using SMT with State Equation took 469 ms to find 0 implicit places.
Running 284 sub problems to find dead transitions.
[2025-06-02 06:34:02] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:34:02] [INFO ] Invariant cache hit.
[2025-06-02 06:34:02] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 284 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:34:05] [INFO ] Deduced a trap composed of 3 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:34:05] [INFO ] Deduced a trap composed of 36 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:34:05] [INFO ] Deduced a trap composed of 36 places in 89 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:34:05] [INFO ] Deduced a trap composed of 22 places in 85 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:34:05] [INFO ] Deduced a trap composed of 17 places in 90 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:34:06] [INFO ] Deduced a trap composed of 15 places in 122 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:34:06] [INFO ] Deduced a trap composed of 17 places in 155 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:34:07] [INFO ] Deduced a trap composed of 36 places in 72 ms of which 6 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/124 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 38/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 7 (OVERLAPS) 1/366 variables, 1/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/366 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 9 (OVERLAPS) 0/366 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
No progress, stopping.
After SMT solving in domain Real declared 366/366 variables, and 163 constraints, problems are : Problem set: 0 solved, 284 unsolved in 28400 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 284/284 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 284 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/124 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 38/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 284/446 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 8 (OVERLAPS) 1/366 variables, 1/447 constraints. Problems are: Problem set: 0 solved, 284 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 366/366 variables, and 447 constraints, problems are : Problem set: 0 solved, 284 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 284/284 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 58476ms problems are : Problem set: 0 solved, 284 unsolved
Search for dead transitions found 0 dead transitions in 58477ms
Starting structural reductions in LTL mode, iteration 1 : 107/108 places, 285/287 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 58949 ms. Remains : 107/108 places, 285/287 transitions.
Stuttering acceptance computed with spot in 118 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : FireWire-PT-03-LTLFireability-12
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-03-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-03-LTLFireability-12 finished in 59082 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 108 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 108/108 places, 287/287 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 107 transition count 285
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 106 transition count 285
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 105 transition count 284
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 10 place count 102 transition count 290
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 18 place count 102 transition count 282
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 19 place count 101 transition count 281
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 20 place count 100 transition count 281
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 20 place count 100 transition count 280
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 22 place count 99 transition count 280
Applied a total of 22 rules in 17 ms. Remains 99 /108 variables (removed 9) and now considering 280/287 (removed 7) transitions.
[2025-06-02 06:35:01] [INFO ] Flow matrix only has 248 transitions (discarded 32 similar events)
// Phase 1: matrix 248 rows 99 cols
[2025-06-02 06:35:01] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:35:01] [INFO ] Implicit Places using invariants in 109 ms returned []
[2025-06-02 06:35:01] [INFO ] Flow matrix only has 248 transitions (discarded 32 similar events)
[2025-06-02 06:35:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:35:01] [INFO ] State equation strengthened by 37 read => feed constraints.
[2025-06-02 06:35:01] [INFO ] Implicit Places using invariants and state equation in 284 ms returned []
Implicit Place search using SMT with State Equation took 394 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:35:01] [INFO ] Redundant transitions in 2 ms returned []
Running 277 sub problems to find dead transitions.
[2025-06-02 06:35:01] [INFO ] Flow matrix only has 248 transitions (discarded 32 similar events)
[2025-06-02 06:35:01] [INFO ] Invariant cache hit.
[2025-06-02 06:35:01] [INFO ] State equation strengthened by 37 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 277 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:35:03] [INFO ] Deduced a trap composed of 35 places in 86 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:35:03] [INFO ] Deduced a trap composed of 15 places in 95 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:35:03] [INFO ] Deduced a trap composed of 21 places in 91 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:35:03] [INFO ] Deduced a trap composed of 15 places in 84 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:35:04] [INFO ] Deduced a trap composed of 23 places in 91 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:35:04] [INFO ] Deduced a trap composed of 34 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:35:04] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:35:04] [INFO ] Deduced a trap composed of 33 places in 44 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 3 (OVERLAPS) 247/346 variables, 99/115 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/346 variables, 37/152 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/346 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 6 (OVERLAPS) 0/346 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 277 unsolved
No progress, stopping.
After SMT solving in domain Real declared 346/347 variables, and 152 constraints, problems are : Problem set: 0 solved, 277 unsolved in 21327 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 99/99 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 277/277 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 277 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 3 (OVERLAPS) 247/346 variables, 99/115 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/346 variables, 37/152 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/346 variables, 277/429 constraints. Problems are: Problem set: 0 solved, 277 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:35:32] [INFO ] Deduced a trap composed of 15 places in 92 ms of which 9 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/346 variables, 1/430 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/346 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 277 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 346/347 variables, and 430 constraints, problems are : Problem set: 0 solved, 277 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 99/99 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 277/277 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 51403ms problems are : Problem set: 0 solved, 277 unsolved
Search for dead transitions found 0 dead transitions in 51404ms
Starting structural reductions in SI_LTL mode, iteration 1 : 99/108 places, 280/287 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 51826 ms. Remains : 99/108 places, 280/287 transitions.
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Running random walk in product with property : FireWire-PT-03-LTLFireability-14
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-03-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-03-LTLFireability-14 finished in 51877 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(p1)))'
Support contains 4 out of 108 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 287/287 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 107 transition count 285
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 107 transition count 285
Applied a total of 2 rules in 2 ms. Remains 107 /108 variables (removed 1) and now considering 285/287 (removed 2) transitions.
[2025-06-02 06:35:53] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
// Phase 1: matrix 259 rows 107 cols
[2025-06-02 06:35:53] [INFO ] Computed 9 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:35:53] [INFO ] Implicit Places using invariants in 133 ms returned []
[2025-06-02 06:35:53] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:35:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:35:53] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-06-02 06:35:53] [INFO ] Implicit Places using invariants and state equation in 376 ms returned []
Implicit Place search using SMT with State Equation took 527 ms to find 0 implicit places.
Running 284 sub problems to find dead transitions.
[2025-06-02 06:35:53] [INFO ] Flow matrix only has 259 transitions (discarded 26 similar events)
[2025-06-02 06:35:53] [INFO ] Invariant cache hit.
[2025-06-02 06:35:53] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 284 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:35:56] [INFO ] Deduced a trap composed of 3 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:35:56] [INFO ] Deduced a trap composed of 36 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:35:56] [INFO ] Deduced a trap composed of 36 places in 84 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:35:56] [INFO ] Deduced a trap composed of 22 places in 89 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:35:56] [INFO ] Deduced a trap composed of 17 places in 93 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:35:56] [INFO ] Deduced a trap composed of 15 places in 80 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:35:57] [INFO ] Deduced a trap composed of 17 places in 86 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:35:57] [INFO ] Deduced a trap composed of 36 places in 43 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/124 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 38/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 7 (OVERLAPS) 1/366 variables, 1/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/366 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 9 (OVERLAPS) 0/366 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 284 unsolved
No progress, stopping.
After SMT solving in domain Real declared 366/366 variables, and 163 constraints, problems are : Problem set: 0 solved, 284 unsolved in 23782 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 284/284 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 284 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 4 (OVERLAPS) 258/365 variables, 107/124 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 38/162 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 284/446 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 284 unsolved
At refinement iteration 8 (OVERLAPS) 1/366 variables, 1/447 constraints. Problems are: Problem set: 0 solved, 284 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 366/366 variables, and 447 constraints, problems are : Problem set: 0 solved, 284 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 107/107 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 284/284 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 53862ms problems are : Problem set: 0 solved, 284 unsolved
Search for dead transitions found 0 dead transitions in 53865ms
Starting structural reductions in LTL mode, iteration 1 : 107/108 places, 285/287 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 54395 ms. Remains : 107/108 places, 285/287 transitions.
Stuttering acceptance computed with spot in 184 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), true]
Running random walk in product with property : FireWire-PT-03-LTLFireability-15
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA FireWire-PT-03-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-03-LTLFireability-15 finished in 54601 ms.
All properties solved by simple procedures.
Total runtime 957341 ms.

BK_STOP 1748846207938

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FireWire-PT-03"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
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 2-5832"
echo " Executing tool itstools"
echo " Input is FireWire-PT-03, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r086-smll-174860102200260"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-03.tgz
mv FireWire-PT-03 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;