/export/starexec/sandbox/solver/bin/starexec_run_termcomp17 /export/starexec/sandbox/benchmark/theBenchmark.c /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- 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_choose -> 2, main_life -> 13, main_death -> 17}> main_death, main_death -> (main_life + 1), main_life -> main_temp}> main_choose}> 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_choose -> 2, main_life -> 13, main_death -> 17}> main_death, main_death -> (main_life + 1), main_life -> main_temp}> main_choose}> 0}> Fresh variables: Undef variables: Abstraction variables: Exit nodes: 10, 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 [6 idents]: __VERIFIER_nondet_int | function | [integer, ()] | main | function | [integer, ()] | choose | local variable | integer | | life | local variable | integer | | death | local variable | integer | | temp | local variable | integer | | Main function: main Preprocessed LLVMGraph Init Location: 0 Transitions: 2, main_death -> (main_life + 1)}> main_death, main_death -> (main_life + 1)}> Fresh variables: Undef variables: Abstraction variables: Exit nodes: 10, Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: 2, main_death -> 1 + main_life, rest remain the same}> main_death, main_death -> 1 + main_life, rest remain the same}> Variables: main_life, main_death Graph 2: Transitions: Variables: Precedence: Graph 0 Graph 1 Graph 2 Map Locations to Subgraph: ( 0 , 0 ) ( 2 , 1 ) ( 10 , 2 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.024689 Some transition disabled by a set of invariant(s): Invariant at l2: 2 <= main_life Strengthening and disabling transitions... > It's unfeasible. Removing transition: main_death, main_death -> 1 + main_life, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 2, main_death -> 1 + main_life, rest remain the same}> Checking unfeasibility... Time used: 0.030954 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000973s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002116s [37443 : 37444] [37443 : 37445] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.676385s Time used: 0.676063 Termination failed. Trying to show unreachability... Proving unreachability of entry: LOG: CALL check - Post:1 <= 0 - Process 1 * Exit transition: * Postcondition : 1 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.003809s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003916s Cannot prove unreachability [37443 : 37816] [37443 : 37820] Successful child: 37816 Program does NOT terminate