0.00/0.16 NO 0.00/0.16 0.00/0.16 Solver Timeout: 4 0.00/0.16 Global Timeout: 300 0.00/0.16 Maximum number of concurrent processes: 900 0.00/0.16 ******************************************************************************************* 0.00/0.16 *********************** UNPROCESSED TRANSITION SYSTEMS PER FUNCTION *********************** 0.00/0.16 ******************************************************************************************* 0.00/0.16 0.00/0.16 0.00/0.16 List of LLVMGraphs + assumeNodes + staticAssertNodes [1] : 0.00/0.16 0.00/0.16 +++++++++++++++++++++++++++++++ main +++++++++++++++++++++++++++++++ 0.00/0.16 + + 0.00/0.16 Init Location: 0 0.00/0.16 Transitions: 0.00/0.16 0, main_i -> ¿functionCall(__VERIFIER_nondet_int)}> 0.00/0.16 0.00/0.16 = ~(5)))> 0.00/0.16 = ~(5))> 0.00/0.16 0.00/0.16 0.00/0.16 0)> 0.00/0.16 0))> 0.00/0.16 (main_i - 1)}> 0.00/0.16 0.00/0.16 0.00/0.16 0.00/0.16 (main_i + 1)}> 0.00/0.16 0.00/0.16 0.00/0.16 0}> 0.00/0.16 0.00/0.16 Fresh variables: 0.00/0.16 0.00/0.16 Undef variables: 0.00/0.16 0.00/0.16 Abstraction variables: 0.00/0.16 0.00/0.16 Exit nodes: 0.00/0.16 0.00/0.16 Accepting locations: 0.00/0.16 0.00/0.16 Asserts: 0.00/0.16 0.00/0.16 + Assume Nodes [0]: ++++++++++++++++++++++++++++++++++++++++++++++++ 0.00/0.16 0.00/0.16 + Static Assert Nodes [0]: +++++++++++++++++++++++++++++++++++++++++ 0.00/0.16 0.00/0.16 + After preprocess (paralelization): ++++++++++++++++++++++++++++++ 0.00/0.16 0.00/0.16 Init Location: 0 0.00/0.16 Transitions: 0.00/0.16 0}> 0.00/0.16 ¿functionCall(__VERIFIER_nondet_int)}> 0.00/0.16 varCall_1}> 0.00/0.16 0.00/0.16 = ~(5))> 0.00/0.16 = ~(5)))> 0.00/0.16 0.00/0.16 0.00/0.16 0)> 0.00/0.16 0))> 0.00/0.16 (main_i - 1)}> 0.00/0.16 0.00/0.16 0.00/0.16 0.00/0.16 (main_i + 1)}> 0.00/0.16 0.00/0.16 0.00/0.16 0}> 0.00/0.16 0.00/0.16 Fresh variables: 0.00/0.16 0.00/0.16 Undef variables: 0.00/0.16 0.00/0.16 Abstraction variables: 0.00/0.16 0.00/0.16 Exit nodes: 0.00/0.16 12, 0.00/0.16 Accepting locations: 0.00/0.16 0.00/0.16 Asserts: 0.00/0.16 0.00/0.16 + + 0.00/0.16 +++++++++++++++++++++++++++++++ main +++++++++++++++++++++++++++++++ 0.00/0.16 0.00/0.16 0.00/0.16 Function Return and Parameters Information [2 functions]: 0.00/0.16 function name: __VERIFIER_nondet_int [1 return + 0 parameters] demangled: __VERIFIER_nondet_int 0.00/0.16 __VERIFIER_nondet_int__func_return_ [function result] : int 0.00/0.16 function name: main [1 return + 0 parameters] demangled: main 0.00/0.16 main__func_return_ [function result] : int 0.00/0.16 0.00/0.16 0.00/0.16 AST Ident Scanner Information [3 idents]: 0.00/0.16 __VERIFIER_nondet_int | function | [integer, ()] | | 0.00/0.16 main | function | [integer, ()] | 0.00/0.16 i | local variable | integer | | 0.00/0.16 0.00/0.16 Main function: main 0.00/0.16 Preprocessed LLVMGraph 0.00/0.16 Init Location: 0 0.00/0.16 Transitions: 0.00/0.16 0.00/0.16 = ~(5)) /\ (main_i <= 5) /\ (main_i > 0) /\ not(((main_i - 1) < 0)), par{main_i -> (main_i - 1)}> 0.00/0.16 = ~(5)) /\ (main_i <= 5) /\ not((main_i > 0)) /\ (main_i < 0), par{main_i -> (main_i + 1)}> 0.00/0.16 = ~(5)) /\ (main_i <= 5) /\ not((main_i > 0)) /\ not((main_i < 0))> 0.00/0.16 = ~(5)) /\ not((main_i <= 5))> 0.00/0.16 = ~(5)))> 0.00/0.16 0.00/0.16 Fresh variables: 0.00/0.16 undef2, 0.00/0.16 0.00/0.16 Undef variables: 0.00/0.16 undef2, 0.00/0.16 0.00/0.16 Abstraction variables: 0.00/0.16 0.00/0.16 Exit nodes: 0.00/0.16 12, 0.00/0.16 Accepting locations: 0.00/0.16 0.00/0.16 Asserts: 0.00/0.16 0.00/0.16 ************************************************************* 0.00/0.16 ******************************************************************************************* 0.00/0.16 *********************** WORKING TRANSITION SYSTEM (DAG) *********************** 0.00/0.16 ******************************************************************************************* 0.00/0.16 0.00/0.16 Init Location: 0 0.00/0.16 Graph 0: 0.00/0.16 Transitions: 0.00/0.16 Variables: 0.00/0.16 0.00/0.16 Graph 1: 0.00/0.16 Transitions: 0.00/0.16 -1 + main_i, rest remain the same}> 0.00/0.16 1 + main_i, rest remain the same}> 0.00/0.16 0.00/0.16 Variables: 0.00/0.16 main_i 0.00/0.16 0.00/0.16 Graph 2: 0.00/0.16 Transitions: 0.00/0.16 Variables: 0.00/0.16 0.00/0.16 Precedence: 0.00/0.16 Graph 0 0.00/0.16 0.00/0.16 Graph 1 0.00/0.16 0.00/0.16 0.00/0.16 Graph 2 0.00/0.16 0.00/0.16 0.00/0.16 0.00/0.16 Map Locations to Subgraph: 0.00/0.16 ( 0 , 0 ) 0.00/0.16 ( 2 , 1 ) 0.00/0.16 ( 12 , 2 ) 0.00/0.16 0.00/0.16 ******************************************************************************************* 0.00/0.16 ******************************** CHECKING ASSERTIONS ******************************** 0.00/0.16 ******************************************************************************************* 0.00/0.16 0.00/0.16 Proving termination of subgraph 0 0.00/0.16 Proving termination of subgraph 1 0.00/0.16 Checking unfeasibility... 0.00/0.16 Time used: 0.003485 0.00/0.16 0.00/0.16 Checking conditional termination of SCC {l2}... 0.00/0.16 0.00/0.16 LOG: CALL solveLinear 0.00/0.16 0.00/0.16 LOG: RETURN solveLinear - Elapsed time: 0.000866s 0.00/0.16 0.00/0.16 LOG: CALL solveLinear 0.00/0.16 0.00/0.16 LOG: RETURN solveLinear - Elapsed time: 0.014233s 0.00/0.16 [44753 : 44755] 0.00/0.16 [44753 : 44756] 0.00/0.16 Successful child: 44756 0.00/0.16 Ranking function: -main_i 0.00/0.16 Ranking function and negation of Quasi-Invariant applied 0.00/0.16 New Graphs: 0.00/0.16 Transitions: 0.00/0.16 -1 + main_i, rest remain the same}> 0.00/0.16 0.00/0.16 Variables: 0.00/0.16 main_i 0.00/0.16 Checking conditional termination of SCC {l2}... 0.00/0.16 0.00/0.16 LOG: CALL solveLinear 0.00/0.16 0.00/0.16 LOG: RETURN solveLinear - Elapsed time: 0.000703s 0.00/0.16 Ranking function: -1 + main_i 0.00/0.16 New Graphs: 0.00/0.16 Transitions: 0.00/0.16 0.00/0.16 Variables: 0.00/0.16 main_i 0.00/0.16 > No variable changes in termination graph. 0.00/0.16 Checking conditional unfeasibility... 0.00/0.16 Termination failed. Trying to show unreachability... 0.00/0.16 Proving unreachability of entry: 0.00/0.16 0.00/0.16 LOG: CALL check - Post:1 <= 0 - Process 1 0.00/0.16 * Exit transition: 0.00/0.16 * Postcondition : 1 <= 0 0.00/0.16 0.00/0.16 LOG: CALL solveLinear 0.00/0.16 0.00/0.16 LOG: RETURN solveLinear - Elapsed time: 0.000344s 0.00/0.16 > Postcondition is not implied! 0.00/0.16 0.00/0.16 LOG: RETURN check - Elapsed time: 0.000420s 0.00/0.16 Cannot prove unreachability 0.00/0.16 0.00/0.16 [44753 : 44760] 0.00/0.16 [44753 : 44764] 0.00/0.16 Successful child: 44764 0.00/0.16 0.00/0.16 Program does NOT terminate 0.00/0.16 EOF