0.00/0.06 NO 0.00/0.06 0.00/0.06 Solver Timeout: 4 0.00/0.06 Global Timeout: 300 0.00/0.06 Maximum number of concurrent processes: 900 0.00/0.06 ******************************************************************************************* 0.00/0.06 *********************** UNPROCESSED TRANSITION SYSTEMS PER FUNCTION *********************** 0.00/0.06 ******************************************************************************************* 0.00/0.06 0.00/0.06 0.00/0.06 List of LLVMGraphs + assumeNodes + staticAssertNodes [1] : 0.00/0.06 0.00/0.06 +++++++++++++++++++++++++++++++ main +++++++++++++++++++++++++++++++ 0.00/0.06 + + 0.00/0.06 Init Location: 0 0.00/0.06 Transitions: 0.00/0.06 0, main_i -> 0}> 0.00/0.06 0.00/0.06 0.00/0.06 0.00/0.06 0}> 0.00/0.06 0.00/0.06 0.00/0.06 0.00/0.06 (main_j + 0)}> 0.00/0.06 0.00/0.06 (main_i + 1)}> 0.00/0.06 0.00/0.06 0}> 0.00/0.06 0.00/0.06 Fresh variables: 0.00/0.06 0.00/0.06 Undef variables: 0.00/0.06 0.00/0.06 Abstraction variables: 0.00/0.06 0.00/0.06 Exit nodes: 0.00/0.06 0.00/0.06 Accepting locations: 0.00/0.06 0.00/0.06 Asserts: 0.00/0.06 0.00/0.06 + Assume Nodes [0]: ++++++++++++++++++++++++++++++++++++++++++++++++ 0.00/0.06 0.00/0.06 + Static Assert Nodes [0]: +++++++++++++++++++++++++++++++++++++++++ 0.00/0.06 0.00/0.06 + After preprocess (paralelization): ++++++++++++++++++++++++++++++ 0.00/0.06 0.00/0.06 Init Location: 0 0.00/0.06 Transitions: 0.00/0.06 0, main_i -> 0}> 0.00/0.06 0.00/0.06 0.00/0.06 0.00/0.06 0}> 0.00/0.06 0.00/0.06 0.00/0.06 0.00/0.06 (main_j + 0)}> 0.00/0.06 0.00/0.06 (main_i + 1)}> 0.00/0.06 0.00/0.06 0}> 0.00/0.06 0.00/0.06 Fresh variables: 0.00/0.06 0.00/0.06 Undef variables: 0.00/0.06 0.00/0.06 Abstraction variables: 0.00/0.06 0.00/0.06 Exit nodes: 0.00/0.06 11, 0.00/0.06 Accepting locations: 0.00/0.06 0.00/0.06 Asserts: 0.00/0.06 0.00/0.06 + + 0.00/0.06 +++++++++++++++++++++++++++++++ main +++++++++++++++++++++++++++++++ 0.00/0.06 0.00/0.06 0.00/0.06 Function Return and Parameters Information [1 functions]: 0.00/0.06 function name: main [1 return + 0 parameters] demangled: main 0.00/0.06 main__func_return_ [function result] : int 0.00/0.06 0.00/0.06 0.00/0.06 AST Ident Scanner Information [4 idents]: 0.00/0.06 __VERIFIER_nondet_int | function | [integer, ()] | 0.00/0.06 main | function | [integer, ()] | 0.00/0.06 i | local variable | integer | | 0.00/0.06 j | local variable | integer | | 0.00/0.06 0.00/0.06 Main function: main 0.00/0.06 Preprocessed LLVMGraph 0.00/0.06 Init Location: 0 0.00/0.06 Transitions: 0.00/0.06 0}> 0.00/0.06 (main_j + 0)}> 0.00/0.06 (main_i + 1), main_j -> 0}> 0.00/0.06 (main_i + 1)}> 0.00/0.06 0.00/0.06 Fresh variables: 0.00/0.06 0.00/0.06 Undef variables: 0.00/0.06 0.00/0.06 Abstraction variables: 0.00/0.06 0.00/0.06 Exit nodes: 0.00/0.06 11, 0.00/0.06 Accepting locations: 0.00/0.06 0.00/0.06 Asserts: 0.00/0.06 0.00/0.06 ************************************************************* 0.00/0.06 ******************************************************************************************* 0.00/0.06 *********************** WORKING TRANSITION SYSTEM (DAG) *********************** 0.00/0.06 ******************************************************************************************* 0.00/0.06 0.00/0.06 Init Location: 0 0.00/0.06 Graph 0: 0.00/0.06 Transitions: 0.00/0.06 Variables: 0.00/0.06 0.00/0.06 Graph 1: 0.00/0.06 Transitions: 0.00/0.06 0.00/0.06 1 + main_i, main_j -> 0, rest remain the same}> 0.00/0.06 Variables: 0.00/0.06 main_j, main_i 0.00/0.06 0.00/0.06 Graph 2: 0.00/0.06 Transitions: 0.00/0.06 Variables: 0.00/0.06 0.00/0.06 Precedence: 0.00/0.06 Graph 0 0.00/0.06 0.00/0.06 Graph 1 0.00/0.06 0, rest remain the same}> 0.00/0.06 0.00/0.06 Graph 2 0.00/0.06 1 + main_i, rest remain the same}> 0.00/0.06 0.00/0.06 Map Locations to Subgraph: 0.00/0.06 ( 0 , 0 ) 0.00/0.06 ( 5 , 1 ) 0.00/0.06 ( 11 , 2 ) 0.00/0.06 0.00/0.06 ******************************************************************************************* 0.00/0.06 ******************************** CHECKING ASSERTIONS ******************************** 0.00/0.06 ******************************************************************************************* 0.00/0.06 0.00/0.06 Proving termination of subgraph 0 0.00/0.06 Proving termination of subgraph 1 0.00/0.06 Checking unfeasibility... 0.00/0.06 Time used: 0.003799 0.00/0.06 Some transition disabled by a set of invariant(s): 0.00/0.06 Invariant at l5: main_j <= 0 0.00/0.06 0.00/0.06 Strengthening and disabling transitions... 0.00/0.06 > It's unfeasible. Removing transition: 0.00/0.06 1 + main_i, main_j -> 0, rest remain the same}> 0.00/0.06 0.00/0.06 LOG: CALL solverLinear in Graph for feasibility 0.00/0.06 0.00/0.06 LOG: RETURN solveLinear in Graph for feasibility 0.00/0.06 Strengthening transition (result): 0.00/0.06 0.00/0.06 Checking unfeasibility... 0.00/0.06 Time used: 0.001444 0.00/0.06 0.00/0.06 > No variable changes in termination graph. 0.00/0.06 Checking conditional unfeasibility... 0.00/0.06 Calling Safety with literal 1 <= main_j and entry 0.00/0.06 0.00/0.06 LOG: CALL check - Post:1 <= main_j - Process 1 0.00/0.06 * Exit transition: 0.00/0.06 * Postcondition : 1 <= main_j 0.00/0.06 Postcodition moved up: 1 <= main_j 0.00/0.06 0.00/0.06 LOG: Try proving POST 0.00/0.06 0.00/0.06 LOG: CALL check - Post:1 <= main_j - Process 2 0.00/0.06 * Exit transition: 0, rest remain the same}> 0.00/0.06 * Postcondition : 1 <= main_j 0.00/0.06 0.00/0.06 LOG: CALL solveLinear 0.00/0.06 0.00/0.06 LOG: RETURN solveLinear - Elapsed time: 0.000223s 0.00/0.06 > Postcondition is not implied! 0.00/0.06 0.00/0.06 LOG: RETURN check - Elapsed time: 0.000296s 0.00/0.06 0.00/0.06 LOG: NarrowEntry size 1 0.00/0.06 Narrowing transition: 0.00/0.06 0.00/0.06 0.00/0.06 LOG: Narrow transition size 1 0.00/0.06 ENTRIES: 0.00/0.06 0, rest remain the same}> 0.00/0.06 END ENTRIES: 0.00/0.06 GRAPH: 0.00/0.06 0.00/0.06 END GRAPH: 0.00/0.06 EXIT: 0.00/0.06 POST: 1 <= main_j 0.00/0.06 0.00/0.06 0.00/0.06 LOG: Try proving POST 0.00/0.06 [25768 : 25770] 0.00/0.06 [25768 : 25771] 0.00/0.06 [25768 : 25772] 0.00/0.06 0.00/0.06 LOG: Postcondition is not implied - no solution 0.00/0.06 > Postcondition is not implied! 0.00/0.06 0.00/0.06 LOG: RETURN check - Elapsed time: 0.024899s 0.00/0.06 0.00/0.06 [25768 : 25773] 0.00/0.06 [25768 : 25774] 0.00/0.06 Successful child: 25773 0.00/0.06 0.00/0.06 Program does NOT terminate 0.00/0.06 EOF