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Benchmarks

comb or (K-LD feature benchmark)

suite id ld_comb_or
domain building_automation
language LD-textual
difficulty easy
validation status validated
origin authored
license CC-BY-4.0

K-LD executable-semantics feature suite (rung10_wp2/family)

What is proved

From benchmarks/building_automation/ld_comb_or/props.yaml. What each kind claims, and what it becomes on either route, is on The properties we prove.

id kind claim requirement
P1 invariant !Y || A || B Output Y is energised only when contact A or B is closed.

Variants

file expected verdict violates method
comb_or.ld SAFE none expert

Files

file what it is size sha256
benchmark.yml benchmark metadata 0.5 KB 8041d2a33380
comb_or.ld ladder program, textual DSL 0.1 KB 5ff8f9e0c445
props.yaml property file 0.2 KB 1c69e0ba66fd

Recorded runs

A task can carry two routes. ld is ESBMC's ladder front end reading the program directly. via C is the same solver reached through Beremiz and MatIEC, which is the only route that reaches ST, IL, FBD and SFC; see How ESBMC-PLC works.

  • ld_comb_or__comb_or (props.yaml, expected SAFE): v8.4 SAFE