edge: { sourcename: "n77" targetname: "n72"}
node: {title: "n72" label: "Block n72" }
edge: { sourcename: "n72" targetname: "n72"}
-node: {title: "n94" label: "Bad 94" info1: "visited: 0
+node: {title: "n59" label: "Bad 59" info1: "mode: T
+visited: 0
irg: IRR_LOOP_main
arity: 0
"}