NO Solver Timeout: 4 Global Timeout: 300 Maximum number of concurrent processes: 900 ******************************************************************************************* *********************** UNPROCESSED TRANSITION SYSTEMS PER FUNCTION *********************** ******************************************************************************************* List of LLVMGraphs + assumeNodes + staticAssertNodes [1] : +++++++++++++++++++++++++++++++ main +++++++++++++++++++++++++++++++ + + Init Location: 0 Transitions: 0, main_k -> ¿functionCall(__VERIFIER_nondet_int), main_i -> ¿functionCall(__VERIFIER_nondet_int)}> = 0)> = 0))> ~(1)}> = 0))> = 0)> ¿functionCall(__VERIFIER_nondet_int)}> 2, main__func_return_ -> 0}> Fresh variables: Undef variables: Abstraction variables: Exit nodes: Accepting locations: Asserts: + Assume Nodes [0]: ++++++++++++++++++++++++++++++++++++++++++++++++ + Static Assert Nodes [0]: +++++++++++++++++++++++++++++++++++++++++ + After preprocess (paralelization): ++++++++++++++++++++++++++++++ Init Location: 0 Transitions: 0}> ¿functionCall(__VERIFIER_nondet_int)}> varCall_1}> ¿functionCall(__VERIFIER_nondet_int)}> varCall_2}> = 0)> = 0))> ~(1)}> = 0)> = 0))> ¿functionCall(__VERIFIER_nondet_int)}> varCall_3}> 2, main__func_return_ -> 0}> Fresh variables: Undef variables: Abstraction variables: Exit nodes: 10, Accepting locations: Asserts: + + +++++++++++++++++++++++++++++++ main +++++++++++++++++++++++++++++++ Function Return and Parameters Information [2 functions]: function name: __VERIFIER_nondet_int [1 return + 0 parameters] demangled: __VERIFIER_nondet_int __VERIFIER_nondet_int__func_return_ [function result] : int function name: main [1 return + 0 parameters] demangled: main main__func_return_ [function result] : int AST Ident Scanner Information [4 idents]: __VERIFIER_nondet_int | function | [integer, ()] | | main | function | [integer, ()] | k | local variable | integer | | i | local variable | integer | | Main function: main Preprocessed LLVMGraph Init Location: 0 Transitions: = 0), par{main_i -> undef5}> = 0)), par{main_i -> ~(1)}> = 0), par{main_i -> undef6}> = 0)), par{main_i -> 2}> Fresh variables: undef4, undef5, undef6, Undef variables: undef4, undef5, undef6, Abstraction variables: Exit nodes: 10, Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: undef6, rest remain the same}> Variables: main_i Graph 2: Transitions: Variables: Precedence: Graph 0 Graph 1 undef5, rest remain the same}> -1, rest remain the same}> Graph 2 2, rest remain the same}> Map Locations to Subgraph: ( 0 , 0 ) ( 6 , 1 ) ( 10 , 2 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.001316 Checking conditional termination of SCC {l6}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000684s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001259s [8215 : 8217] [8215 : 8218] Successful child: 8217 [ Invariant Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: undef6, rest remain the same}> [ Termination Graph ] Strengthening and disabling transitions... > It's unfeasible. Removing transition: undef6, rest remain the same}> New Graphs: LOG: CALL check - Post:1 + main_i <= 0 - Process 1 * Exit transition: undef5, rest remain the same}> * Postcondition : 1 + main_i <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000232s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000281s INVARIANTS: 6: Quasi-INVARIANTS to narrow Graph: 6: 1 + main_i <= 0 , Narrowing transition: undef6, rest remain the same}> LOG: Narrow transition size 1 invGraph after Narrowing: Transitions: undef6, rest remain the same}> Variables: main_i Checking conditional termination of SCC {l6}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000555s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001072s [8215 : 8222] [8215 : 8223] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.007275s Time used: 0.006921 [8215 : 8228] [8215 : 8232] Successful child: 8228 Program does NOT terminate