0.00/0.07 YES 0.00/0.07 0.00/0.07 Solver Timeout: 4 0.00/0.07 Global Timeout: 300 0.00/0.07 Maximum number of concurrent processes: 900 0.00/0.07 ******************************************************************************************* 0.00/0.07 *********************** UNPROCESSED TRANSITION SYSTEMS PER FUNCTION *********************** 0.00/0.07 ******************************************************************************************* 0.00/0.07 0.00/0.07 0.00/0.07 List of LLVMGraphs + assumeNodes + staticAssertNodes [1] : 0.00/0.07 0.00/0.07 +++++++++++++++++++++++++++++++ main +++++++++++++++++++++++++++++++ 0.00/0.07 + + 0.00/0.07 Init Location: 0 0.00/0.07 Transitions: 0.00/0.07 0, main_x -> ¿functionCall(__VERIFIER_nondet_int), main_y -> ¿functionCall(__VERIFIER_nondet_int), main_c -> 0}> 0.00/0.07 0.00/0.07 = 0))> 0.00/0.07 = 0)> 0.00/0.07 1}> 0.00/0.07 0.00/0.07 main_y))> 0.00/0.07 main_y)> 0.00/0.07 (2 * main_y), main_c -> (main_c + 1)}> 0.00/0.07 0.00/0.07 (main_x - 1)}> 0.00/0.07 0.00/0.07 0}> 0.00/0.07 0.00/0.07 Fresh variables: 0.00/0.07 0.00/0.07 Undef variables: 0.00/0.07 0.00/0.07 Abstraction variables: 0.00/0.07 0.00/0.07 Exit nodes: 0.00/0.07 0.00/0.07 Accepting locations: 0.00/0.07 0.00/0.07 Asserts: 0.00/0.07 0.00/0.07 + Assume Nodes [0]: ++++++++++++++++++++++++++++++++++++++++++++++++ 0.00/0.07 0.00/0.07 + Static Assert Nodes [0]: +++++++++++++++++++++++++++++++++++++++++ 0.00/0.07 0.00/0.07 + After preprocess (paralelization): ++++++++++++++++++++++++++++++ 0.00/0.07 0.00/0.07 Init Location: 0 0.00/0.07 Transitions: 0.00/0.07 0}> 0.00/0.07 ¿functionCall(__VERIFIER_nondet_int)}> 0.00/0.07 varCall_1}> 0.00/0.07 ¿functionCall(__VERIFIER_nondet_int)}> 0.00/0.07 varCall_2, main_c -> 0}> 0.00/0.07 0.00/0.07 = 0)> 0.00/0.07 = 0))> 0.00/0.07 1}> 0.00/0.07 0.00/0.07 main_y)> 0.00/0.07 main_y))> 0.00/0.07 (2 * main_y), main_c -> (main_c + 1)}> 0.00/0.07 0.00/0.07 (main_x - 1)}> 0.00/0.07 0.00/0.07 0}> 0.00/0.07 0.00/0.07 Fresh variables: 0.00/0.07 0.00/0.07 Undef variables: 0.00/0.07 0.00/0.07 Abstraction variables: 0.00/0.07 0.00/0.07 Exit nodes: 0.00/0.07 11, 0.00/0.07 Accepting locations: 0.00/0.07 0.00/0.07 Asserts: 0.00/0.07 0.00/0.07 + + 0.00/0.07 +++++++++++++++++++++++++++++++ main +++++++++++++++++++++++++++++++ 0.00/0.07 0.00/0.07 0.00/0.07 Function Return and Parameters Information [2 functions]: 0.00/0.07 function name: __VERIFIER_nondet_int [1 return + 0 parameters] demangled: __VERIFIER_nondet_int 0.00/0.07 __VERIFIER_nondet_int__func_return_ [function result] : int 0.00/0.07 function name: main [1 return + 0 parameters] demangled: main 0.00/0.07 main__func_return_ [function result] : int 0.00/0.07 0.00/0.07 0.00/0.07 AST Ident Scanner Information [5 idents]: 0.00/0.07 __VERIFIER_nondet_int | function | [integer, ()] | | 0.00/0.07 main | function | [integer, ()] | 0.00/0.07 c | local variable | integer | | 0.00/0.07 x | local variable | integer | | 0.00/0.07 y | local variable | integer | | 0.00/0.07 0.00/0.07 Main function: main 0.00/0.07 Preprocessed LLVMGraph 0.00/0.07 Init Location: 0 0.00/0.07 Transitions: 0.00/0.07 = 0), par{main_y -> 1}> 0.00/0.07 = 0)), par{main_y -> undef4}> 0.00/0.07 main_y), par{main_c -> (main_c + 1), main_y -> (2 * main_y)}> 0.00/0.07 main_y)) /\ ((main_x - 1) >= 0), par{main_x -> (main_x - 1), main_y -> 1}> 0.00/0.07 main_y)) /\ not(((main_x - 1) >= 0)), par{main_x -> (main_x - 1)}> 0.00/0.07 0.00/0.07 Fresh variables: 0.00/0.07 undef3, undef4, 0.00/0.07 0.00/0.07 Undef variables: 0.00/0.07 undef3, undef4, 0.00/0.07 0.00/0.07 Abstraction variables: 0.00/0.07 0.00/0.07 Exit nodes: 0.00/0.07 11, 0.00/0.07 Accepting locations: 0.00/0.07 0.00/0.07 Asserts: 0.00/0.07 0.00/0.07 ************************************************************* 0.00/0.07 ******************************************************************************************* 0.00/0.07 *********************** WORKING TRANSITION SYSTEM (DAG) *********************** 0.00/0.07 ******************************************************************************************* 0.00/0.07 0.00/0.07 Init Location: 0 0.00/0.07 Graph 0: 0.00/0.07 Transitions: 0.00/0.07 Variables: 0.00/0.07 0.00/0.07 Graph 1: 0.00/0.07 Transitions: 0.00/0.07 1 + main_c, main_y -> 2*main_y, rest remain the same}> 0.00/0.07 -1 + main_x, main_y -> 1, rest remain the same}> 0.00/0.07 Variables: 0.00/0.07 main_c, main_x, main_y 0.00/0.07 0.00/0.07 Graph 2: 0.00/0.07 Transitions: 0.00/0.07 Variables: 0.00/0.07 0.00/0.07 Precedence: 0.00/0.07 Graph 0 0.00/0.07 0.00/0.07 Graph 1 0.00/0.07 1, rest remain the same}> 0.00/0.07 0.00/0.07 Graph 2 0.00/0.07 undef4, rest remain the same}> 0.00/0.07 -1 + main_x, rest remain the same}> 0.00/0.07 0.00/0.07 Map Locations to Subgraph: 0.00/0.07 ( 0 , 0 ) 0.00/0.07 ( 5 , 1 ) 0.00/0.07 ( 11 , 2 ) 0.00/0.07 0.00/0.07 ******************************************************************************************* 0.00/0.07 ******************************** CHECKING ASSERTIONS ******************************** 0.00/0.07 ******************************************************************************************* 0.00/0.07 0.00/0.07 Proving termination of subgraph 0 0.00/0.07 Proving termination of subgraph 1 0.00/0.07 Checking unfeasibility... 0.00/0.07 Time used: 0.016533 0.00/0.07 0.00/0.07 Checking conditional termination of SCC {l5}... 0.00/0.07 0.00/0.07 LOG: CALL solveLinear 0.00/0.07 0.00/0.07 LOG: RETURN solveLinear - Elapsed time: 0.001578s 0.00/0.07 Ranking function: main_x 0.00/0.07 New Graphs: 0.00/0.07 Transitions: 0.00/0.07 1 + main_c, main_y -> 2*main_y, rest remain the same}> 0.00/0.07 Variables: 0.00/0.07 main_c, main_x, main_y 0.00/0.07 Checking conditional termination of SCC {l5}... 0.00/0.07 0.00/0.07 LOG: CALL solveLinear 0.00/0.07 0.00/0.07 LOG: RETURN solveLinear - Elapsed time: 0.000731s 0.00/0.07 0.00/0.07 LOG: CALL solveLinear 0.00/0.07 0.00/0.07 LOG: RETURN solveLinear - Elapsed time: 0.002025s 0.00/0.07 [41326 : 41328] 0.00/0.07 [41326 : 41329] 0.00/0.07 Successful child: 41328 0.00/0.07 [ Invariant Graph ] 0.00/0.07 Strengthening and disabling transitions... 0.00/0.07 0.00/0.07 LOG: CALL solverLinear in Graph for feasibility 0.00/0.07 0.00/0.07 LOG: RETURN solveLinear in Graph for feasibility 0.00/0.07 Strengthening transition (result): 0.00/0.07 1 + main_c, main_y -> 2*main_y, rest remain the same}> 0.00/0.07 0.00/0.07 LOG: CALL solverLinear in Graph for feasibility 0.00/0.07 0.00/0.07 LOG: RETURN solveLinear in Graph for feasibility 0.00/0.07 Strengthening transition (result): 0.00/0.07 -1 + main_x, main_y -> 1, rest remain the same}> 0.00/0.07 [ Termination Graph ] 0.00/0.07 Strengthening and disabling transitions... 0.00/0.07 0.00/0.07 LOG: CALL solverLinear in Graph for feasibility 0.00/0.07 0.00/0.07 LOG: RETURN solveLinear in Graph for feasibility 0.00/0.07 Strengthening transition (result): 0.00/0.07 1 + main_c, main_y -> 2*main_y, rest remain the same}> 0.00/0.07 Ranking function: 2*main_x - main_y 0.00/0.07 New Graphs: 0.00/0.07 INVARIANTS: 0.00/0.07 5: 1 <= main_y , 0.00/0.07 Quasi-INVARIANTS to narrow Graph: 0.00/0.07 5: 0.00/0.07 Proving termination of subgraph 2 0.00/0.07 Analyzing SCC {l11}... 0.00/0.07 No cycles found. 0.00/0.07 0.00/0.07 Program Terminates 0.00/0.07 EOF