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_c -> 864}> 0}> (main_i + 1)}> 0}> (main_i + 1)}> 0}> (main_i + 1)}> 0}> (main_i + 0)}> 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, main_c -> 864}> 0}> (main_i + 1)}> 0}> (main_i + 1)}> 0}> (main_i + 1)}> 0}> (main_i + 0)}> 0}> Fresh variables: Undef variables: Abstraction variables: Exit nodes: 30, Accepting locations: Asserts: + + +++++++++++++++++++++++++++++++ main +++++++++++++++++++++++++++++++ Function Return and Parameters Information [1 functions]: 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, ()] | c | local variable | integer | | i | local variable | integer | | Main function: main Preprocessed LLVMGraph Init Location: 0 Transitions: (main_i + 0)}> Fresh variables: Undef variables: Abstraction variables: Exit nodes: 30, Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: Variables: main_i Graph 2: Transitions: Variables: Precedence: Graph 0 Graph 1 Graph 2 Map Locations to Subgraph: ( 0 , 0 ) ( 24 , 1 ) ( 30 , 2 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.001191 > No variable changes in termination graph. Checking conditional unfeasibility... Calling Safety with literal 103 <= main_i and entry LOG: CALL check - Post:103 <= main_i - Process 1 * Exit transition: * Postcondition : 103 <= main_i Postcodition moved up: 103 <= main_i LOG: Try proving POST LOG: CALL check - Post:103 <= main_i - Process 2 * Exit transition: * Postcondition : 103 <= main_i LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000165s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000208s LOG: NarrowEntry size 1 Narrowing transition: LOG: Narrow transition size 1 ENTRIES: END ENTRIES: GRAPH: END GRAPH: EXIT: POST: 103 <= main_i LOG: Try proving POST [1369 : 1371] [1369 : 1372] [1369 : 1373] LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.028184s [1369 : 1374] [1369 : 1378] Successful child: 1374 Program does NOT terminate