Abstract Theta is a model checking framework based on abstraction refinement algorithms. In SV-COMP 2022, we introduce: 1) reasoning at the source-level via direct translation from C programs; 2) support for concurrent programs with interleaving semantics; 3) mitigation non-progressing loops; 4) SMT-LIB-compliant solvers. We combine all of aforementioned techniques into portfolio dynamic algori...