hop(_2874,_2876)). time=0.0005295276641845703. failure=failure=info((why_was_true(user:(\+ (edge(_39008,_39030)==>hop(_39008,_39030)))),nop(ftrace(user:(edge(_39008,_39030)==>hop(_39008,_39030)))))) no_proof_for(\+ (edge(X,Y)==>hop(X,Y))). no_proof_for(\+ (edge(X,Y)==>hop(X,Y))). no_proof_for(\+ (edge(X,Y)==>hop(X,Y))). result=failure. ]]>