0.00/0.28 YES 0.00/0.28 0.00/0.28 Solver Timeout: 4 0.00/0.28 Global Timeout: 300 0.00/0.28 Maximum number of concurrent processes: 900 0.00/0.28 ******************************************************************************************* 0.00/0.28 *********************** UNPROCESSED TRANSITION SYSTEMS PER FUNCTION *********************** 0.00/0.28 ******************************************************************************************* 0.00/0.28 0.00/0.28 0.00/0.28 List of LLVMGraphs + assumeNodes + staticAssertNodes [1] : 0.00/0.28 0.00/0.28 +++++++++++++++++++++++++++++++ main +++++++++++++++++++++++++++++++ 0.00/0.28 + + 0.00/0.28 Init Location: 0 0.00/0.28 Transitions: 0.00/0.28 0, main_x -> ¿functionCall(__VERIFIER_nondet_int), main_y -> ¿functionCall(__VERIFIER_nondet_int)}> 0.00/0.28 0.00/0.28 0))> 0.00/0.28 0)> 0.00/0.28 0.00/0.28 0.00/0.28 main_y, main_oldy -> main_y, main_y -> ¿functionCall(__VERIFIER_nondet_int)}> 0.00/0.28 0.00/0.28 0}> 0.00/0.28 0.00/0.28 Fresh variables: 0.00/0.28 0.00/0.28 Undef variables: 0.00/0.28 0.00/0.28 Abstraction variables: 0.00/0.28 0.00/0.28 Exit nodes: 0.00/0.28 0.00/0.28 Accepting locations: 0.00/0.28 0.00/0.28 Asserts: 0.00/0.28 0.00/0.28 + Assume Nodes [0]: ++++++++++++++++++++++++++++++++++++++++++++++++ 0.00/0.28 0.00/0.28 + Static Assert Nodes [0]: +++++++++++++++++++++++++++++++++++++++++ 0.00/0.28 0.00/0.28 + After preprocess (paralelization): ++++++++++++++++++++++++++++++ 0.00/0.28 0.00/0.28 Init Location: 0 0.00/0.28 Transitions: 0.00/0.28 0}> 0.00/0.28 ¿functionCall(__VERIFIER_nondet_int)}> 0.00/0.28 varCall_1}> 0.00/0.28 ¿functionCall(__VERIFIER_nondet_int)}> 0.00/0.28 varCall_2}> 0.00/0.28 0.00/0.28 0)> 0.00/0.28 0))> 0.00/0.28 0.00/0.28 0.00/0.28 main_y, main_oldy -> main_y}> 0.00/0.28 ¿functionCall(__VERIFIER_nondet_int)}> 0.00/0.28 varCall_3}> 0.00/0.28 0.00/0.28 0}> 0.00/0.28 0.00/0.28 Fresh variables: 0.00/0.28 0.00/0.28 Undef variables: 0.00/0.28 0.00/0.28 Abstraction variables: 0.00/0.28 0.00/0.28 Exit nodes: 0.00/0.28 7, 0.00/0.28 Accepting locations: 0.00/0.28 0.00/0.28 Asserts: 0.00/0.28 0.00/0.28 + + 0.00/0.28 +++++++++++++++++++++++++++++++ main +++++++++++++++++++++++++++++++ 0.00/0.28 0.00/0.28 0.00/0.28 Function Return and Parameters Information [2 functions]: 0.00/0.28 function name: __VERIFIER_nondet_int [1 return + 0 parameters] demangled: __VERIFIER_nondet_int 0.00/0.28 __VERIFIER_nondet_int__func_return_ [function result] : int 0.00/0.28 function name: main [1 return + 0 parameters] demangled: main 0.00/0.28 main__func_return_ [function result] : int 0.00/0.28 0.00/0.28 0.00/0.28 AST Ident Scanner Information [5 idents]: 0.00/0.28 __VERIFIER_nondet_int | function | [integer, ()] | | 0.00/0.28 main | function | [integer, ()] | 0.00/0.28 x | local variable | integer | | 0.00/0.28 y | local variable | integer | | 0.00/0.28 oldy | local variable | integer | | 0.00/0.28 0.00/0.28 Main function: main 0.00/0.28 Preprocessed LLVMGraph 0.00/0.28 Init Location: 0 0.00/0.28 Transitions: 0.00/0.28 0.00/0.28 0) /\ (main_y <= ~(main_oldy)), par{main_x -> main_y, main_y -> undef6, main_oldy -> main_y}> 0.00/0.28 0) /\ not((main_y <= ~(main_oldy)))> 0.00/0.28 0))> 0.00/0.28 0.00/0.28 Fresh variables: 0.00/0.28 undef4, undef5, undef6, 0.00/0.28 0.00/0.28 Undef variables: 0.00/0.28 undef4, undef5, undef6, 0.00/0.28 0.00/0.28 Abstraction variables: 0.00/0.28 0.00/0.28 Exit nodes: 0.00/0.28 7, 0.00/0.28 Accepting locations: 0.00/0.28 0.00/0.28 Asserts: 0.00/0.28 0.00/0.28 ************************************************************* 0.00/0.28 ******************************************************************************************* 0.00/0.28 *********************** WORKING TRANSITION SYSTEM (DAG) *********************** 0.00/0.28 ******************************************************************************************* 0.00/0.28 0.00/0.28 Init Location: 0 0.00/0.28 Graph 0: 0.00/0.28 Transitions: 0.00/0.28 Variables: 0.00/0.28 0.00/0.28 Graph 1: 0.00/0.28 Transitions: 0.00/0.28 main_y, main_y -> undef6, main_oldy -> main_y, rest remain the same}> 0.00/0.28 Variables: 0.00/0.28 main_x, main_y, main_oldy 0.00/0.28 0.00/0.28 Graph 2: 0.00/0.28 Transitions: 0.00/0.28 Variables: 0.00/0.28 0.00/0.28 Precedence: 0.00/0.28 Graph 0 0.00/0.28 0.00/0.28 Graph 1 0.00/0.28 0.00/0.28 0.00/0.28 Graph 2 0.00/0.28 0.00/0.28 0.00/0.28 0.00/0.28 Map Locations to Subgraph: 0.00/0.28 ( 0 , 0 ) 0.00/0.28 ( 2 , 1 ) 0.00/0.28 ( 7 , 2 ) 0.00/0.28 0.00/0.28 ******************************************************************************************* 0.00/0.28 ******************************** CHECKING ASSERTIONS ******************************** 0.00/0.28 ******************************************************************************************* 0.00/0.28 0.00/0.28 Proving termination of subgraph 0 0.00/0.28 Proving termination of subgraph 1 0.00/0.28 Checking unfeasibility... 0.00/0.28 Time used: 0.002395 0.00/0.28 0.00/0.28 Checking conditional termination of SCC {l2}... 0.00/0.28 0.00/0.28 LOG: CALL solveLinear 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear - Elapsed time: 0.000814s 0.00/0.28 0.00/0.28 LOG: CALL solveLinear 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear - Elapsed time: 0.002447s 0.00/0.28 [54112 : 54114] 0.00/0.28 [54112 : 54115] 0.00/0.28 Successful child: 54114 0.00/0.28 [ Invariant Graph ] 0.00/0.28 Strengthening and disabling transitions... 0.00/0.28 0.00/0.28 LOG: CALL solverLinear in Graph for feasibility 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear in Graph for feasibility 0.00/0.28 It's unfeasible. Removing transition: 0.00/0.28 main_y, main_y -> undef6, main_oldy -> main_y, rest remain the same}> 0.00/0.28 [ Termination Graph ] 0.00/0.28 Strengthening and disabling transitions... 0.00/0.28 > It's unfeasible. Removing transition: 0.00/0.28 main_y, main_y -> undef6, main_oldy -> main_y, rest remain the same}> 0.00/0.28 New Graphs: 0.00/0.28 0.00/0.28 LOG: CALL check - Post:1 <= main_y + main_oldy - Process 1 0.00/0.28 * Exit transition: 0.00/0.28 * Postcondition : 1 <= main_y + main_oldy 0.00/0.28 0.00/0.28 LOG: CALL solveLinear 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear - Elapsed time: 0.000530s 0.00/0.28 > Postcondition is not implied! 0.00/0.28 0.00/0.28 LOG: RETURN check - Elapsed time: 0.000634s 0.00/0.28 INVARIANTS: 0.00/0.28 2: 0.00/0.28 Quasi-INVARIANTS to narrow Graph: 0.00/0.28 2: 1 <= main_y + main_oldy , 0.00/0.28 Narrowing transition: 0.00/0.28 main_y, main_y -> undef6, main_oldy -> main_y, rest remain the same}> 0.00/0.28 0.00/0.28 LOG: Narrow transition size 1 0.00/0.28 invGraph after Narrowing: 0.00/0.28 Transitions: 0.00/0.28 main_y, main_y -> undef6, main_oldy -> main_y, rest remain the same}> 0.00/0.28 Variables: 0.00/0.28 main_x, main_y, main_oldy 0.00/0.28 Checking conditional termination of SCC {l2}... 0.00/0.28 0.00/0.28 LOG: CALL solveLinear 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear - Elapsed time: 0.000803s 0.00/0.28 0.00/0.28 LOG: CALL solveLinear 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear - Elapsed time: 0.002629s 0.00/0.28 [54112 : 54119] 0.00/0.28 [54112 : 54120] 0.00/0.28 Successful child: 54119 0.00/0.28 [ Invariant Graph ] 0.00/0.28 Strengthening and disabling transitions... 0.00/0.28 0.00/0.28 LOG: CALL solverLinear in Graph for feasibility 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear in Graph for feasibility 0.00/0.28 It's unfeasible. Removing transition: 0.00/0.28 main_y, main_y -> undef6, main_oldy -> main_y, rest remain the same}> 0.00/0.28 [ Termination Graph ] 0.00/0.28 Strengthening and disabling transitions... 0.00/0.28 0.00/0.28 LOG: CALL solverLinear in Graph for feasibility 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear in Graph for feasibility 0.00/0.28 It's unfeasible. Removing transition: 0.00/0.28 main_y, main_y -> undef6, main_oldy -> main_y, rest remain the same}> 0.00/0.28 New Graphs: 0.00/0.28 0.00/0.28 LOG: CALL check - Post:1 + main_x <= 0 - Process 2 0.00/0.28 * Exit transition: 0.00/0.28 * Postcondition : 1 + main_x <= 0 0.00/0.28 0.00/0.28 LOG: CALL solveLinear 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear - Elapsed time: 0.000496s 0.00/0.28 > Postcondition is not implied! 0.00/0.28 0.00/0.28 LOG: RETURN check - Elapsed time: 0.000595s 0.00/0.28 INVARIANTS: 0.00/0.28 2: 0.00/0.28 Quasi-INVARIANTS to narrow Graph: 0.00/0.28 2: 1 + main_x <= 0 , 0.00/0.28 Narrowing transition: 0.00/0.28 main_y, main_y -> undef6, main_oldy -> main_y, rest remain the same}> 0.00/0.28 0.00/0.28 LOG: Narrow transition size 1 0.00/0.28 invGraph after Narrowing: 0.00/0.28 Transitions: 0.00/0.28 main_y, main_y -> undef6, main_oldy -> main_y, rest remain the same}> 0.00/0.28 Variables: 0.00/0.28 main_x, main_y, main_oldy 0.00/0.28 Checking conditional termination of SCC {l2}... 0.00/0.28 0.00/0.28 LOG: CALL solveLinear 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear - Elapsed time: 0.000787s 0.00/0.28 0.00/0.28 LOG: CALL solveLinear 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear - Elapsed time: 0.002518s 0.00/0.28 [54112 : 54124] 0.00/0.28 [54112 : 54125] 0.00/0.28 Successful child: 54124 0.00/0.28 [ Invariant Graph ] 0.00/0.28 Strengthening and disabling transitions... 0.00/0.28 0.00/0.28 LOG: CALL solverLinear in Graph for feasibility 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear in Graph for feasibility 0.00/0.28 It's unfeasible. Removing transition: 0.00/0.28 main_y, main_y -> undef6, main_oldy -> main_y, rest remain the same}> 0.00/0.28 [ Termination Graph ] 0.00/0.28 Strengthening and disabling transitions... 0.00/0.28 0.00/0.28 LOG: CALL solverLinear in Graph for feasibility 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear in Graph for feasibility 0.00/0.28 It's unfeasible. Removing transition: 0.00/0.28 main_y, main_y -> undef6, main_oldy -> main_y, rest remain the same}> 0.00/0.28 New Graphs: 0.00/0.28 0.00/0.28 LOG: CALL check - Post:main_x <= main_y + main_oldy - Process 3 0.00/0.28 * Exit transition: 0.00/0.28 * Postcondition : main_x <= main_y + main_oldy 0.00/0.28 0.00/0.28 LOG: CALL solveLinear 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear - Elapsed time: 0.000554s 0.00/0.28 > Postcondition is not implied! 0.00/0.28 0.00/0.28 LOG: RETURN check - Elapsed time: 0.000678s 0.00/0.28 INVARIANTS: 0.00/0.28 2: 0.00/0.28 Quasi-INVARIANTS to narrow Graph: 0.00/0.28 2: main_x <= main_y + main_oldy , 0.00/0.28 Narrowing transition: 0.00/0.28 main_y, main_y -> undef6, main_oldy -> main_y, rest remain the same}> 0.00/0.28 0.00/0.28 LOG: Narrow transition size 1 0.00/0.28 invGraph after Narrowing: 0.00/0.28 Transitions: 0.00/0.28 main_y, main_y -> undef6, main_oldy -> main_y, rest remain the same}> 0.00/0.28 Variables: 0.00/0.28 main_x, main_y, main_oldy 0.00/0.28 Checking conditional termination of SCC {l2}... 0.00/0.28 0.00/0.28 LOG: CALL solveLinear 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear - Elapsed time: 0.000743s 0.00/0.28 0.00/0.28 LOG: CALL solveLinear 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear - Elapsed time: 0.002866s 0.00/0.28 [54112 : 54129] 0.00/0.28 [54112 : 54130] 0.00/0.28 Successful child: 54129 0.00/0.28 [ Invariant Graph ] 0.00/0.28 Strengthening and disabling transitions... 0.00/0.28 0.00/0.28 LOG: CALL solverLinear in Graph for feasibility 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear in Graph for feasibility 0.00/0.28 It's unfeasible. Removing transition: 0.00/0.28 main_y, main_y -> undef6, main_oldy -> main_y, rest remain the same}> 0.00/0.28 [ Termination Graph ] 0.00/0.28 Strengthening and disabling transitions... 0.00/0.28 > It's unfeasible. Removing transition: 0.00/0.28 main_y, main_y -> undef6, main_oldy -> main_y, rest remain the same}> 0.00/0.28 New Graphs: 0.00/0.28 0.00/0.28 LOG: CALL check - Post:main_x <= 0 - Process 4 0.00/0.28 * Exit transition: 0.00/0.28 * Postcondition : main_x <= 0 0.00/0.28 0.00/0.28 LOG: CALL solveLinear 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear - Elapsed time: 0.000609s 0.00/0.28 > Postcondition is not implied! 0.00/0.28 0.00/0.28 LOG: RETURN check - Elapsed time: 0.000727s 0.00/0.28 INVARIANTS: 0.00/0.28 2: 0.00/0.28 Quasi-INVARIANTS to narrow Graph: 0.00/0.28 2: main_x <= 0 , 0.00/0.28 Narrowing transition: 0.00/0.28 main_y, main_y -> undef6, main_oldy -> main_y, rest remain the same}> 0.00/0.28 0.00/0.28 LOG: Narrow transition size 1 0.00/0.28 invGraph after Narrowing: 0.00/0.28 Transitions: 0.00/0.28 main_y, main_y -> undef6, main_oldy -> main_y, rest remain the same}> 0.00/0.28 Variables: 0.00/0.28 main_x, main_y, main_oldy 0.00/0.28 Checking conditional termination of SCC {l2}... 0.00/0.28 0.00/0.28 LOG: CALL solveLinear 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear - Elapsed time: 0.000777s 0.00/0.28 0.00/0.28 LOG: CALL solveLinear 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear - Elapsed time: 0.002740s 0.00/0.28 [54112 : 54134] 0.00/0.28 [54112 : 54135] 0.00/0.28 Successful child: 54134 0.00/0.28 [ Invariant Graph ] 0.00/0.28 Strengthening and disabling transitions... 0.00/0.28 0.00/0.28 LOG: CALL solverLinear in Graph for feasibility 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear in Graph for feasibility 0.00/0.28 Strengthening transition (result): 0.00/0.28 main_y, main_y -> undef6, main_oldy -> main_y, rest remain the same}> 0.00/0.28 [ Termination Graph ] 0.00/0.28 Strengthening and disabling transitions... 0.00/0.28 0.00/0.28 LOG: CALL solverLinear in Graph for feasibility 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear in Graph for feasibility 0.00/0.28 Strengthening transition (result): 0.00/0.28 main_y, main_y -> undef6, main_oldy -> main_y, rest remain the same}> 0.00/0.28 Ranking function: main_x 0.00/0.28 New Graphs: 0.00/0.28 0.00/0.28 LOG: CALL check - Post:main_x <= 1 + main_oldy - Process 5 0.00/0.28 * Exit transition: 0.00/0.28 * Postcondition : main_x <= 1 + main_oldy 0.00/0.28 0.00/0.28 LOG: CALL solveLinear 0.00/0.28 0.00/0.28 LOG: RETURN solveLinear - Elapsed time: 0.000510s 0.00/0.28 > Postcondition is not implied! 0.00/0.28 0.00/0.28 LOG: RETURN check - Elapsed time: 0.000640s 0.00/0.28 INVARIANTS: 0.00/0.28 2: 0.00/0.28 Quasi-INVARIANTS to narrow Graph: 0.00/0.28 2: main_x <= 1 + main_oldy , 0.00/0.28 It's unfeasible. Removing transition: 0.00/0.28 main_y, main_y -> undef6, main_oldy -> main_y, rest remain the same}> 0.00/0.28 invGraph after Narrowing: 0.00/0.28 Transitions: 0.00/0.28 Variables: 0.00/0.28 main_x, main_y, main_oldy 0.00/0.28 Analyzing SCC {l2}... 0.00/0.28 No cycles found. 0.00/0.28 0.00/0.28 Proving termination of subgraph 2 0.00/0.28 Analyzing SCC {l7}... 0.00/0.28 No cycles found. 0.00/0.28 0.00/0.28 Program Terminates 0.00/0.28 EOF