scripts/cpa.sh -heap 10000M -setprop specification=/home/stahlbau/benchmarking/bench_regression_ea_safe_inproc/LDVErrorLabel.spc -explicitAnalysis -setprop analysis.summaryEdges=true -setprop cpa.callstack.skipRecursion=true -disable-java-assertions -noout -setprop analysis.entryFunction=ldv_main1_sequence_infinite_withcheck_stateful -64 -stats /home/stahlbau/benchmarking/bench_regression_ea_safe_inproc/programs/drivers--block--drbd--drbd.ko/023.2d1ee87.32_7a.cil_safe.i -------------------------------------------------------------------------------- Running JavaVM with special heap size: 10000M CPAchecker 1.2-svn started (CPAchecker.run, INFO) Dead code detected at line 7777: [size > 8192UL] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 7777: [!(size > 8192UL)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 7779: tmp = kmalloc_large(size, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 7786: [(flags & 1U) == 0U] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 7786: [!((flags & 1U) == 0U)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 7788: tmp___0 = kmalloc_slab(size); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 7792: [!(((unsigned long)s) == ((unsigned long)((struct kmem_cache *)0)))] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 7794: return (16); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 7799: ret = kmem_cache_alloc_notrace(s, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 12655: [size > 8192UL] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 12655: [!(size > 8192UL)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 12657: tmp = kmalloc_large___0(size, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 12664: [(flags & 1U) == 0U] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 12664: [!((flags & 1U) == 0U)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 12666: tmp___0 = kmalloc_slab(size); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 12670: [!(((unsigned long)s) == ((unsigned long)((struct kmem_cache *)0)))] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 12672: return (16); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 12677: ret = kmem_cache_alloc_notrace(s, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 17612: [size > 8192UL] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 17612: [!(size > 8192UL)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 17614: tmp = kmalloc_large___1(size, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 17621: [(flags & 1U) == 0U] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 17621: [!((flags & 1U) == 0U)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 17623: tmp___0 = kmalloc_slab(size); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 17627: [!(((unsigned long)s) == ((unsigned long)((struct kmem_cache *)0)))] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 17629: return (16); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 17634: ret = kmem_cache_alloc_notrace(s, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 20020: goto ldv_42432; (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 30186: return (ldv_func_res); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 30409: [size > 8192UL] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 30409: [!(size > 8192UL)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 30411: tmp = kmalloc_large___2(size, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 30418: [(flags & 1U) == 0U] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 30418: [!((flags & 1U) == 0U)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 30420: tmp___0 = kmalloc_slab(size); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 30424: [!(((unsigned long)s) == ((unsigned long)((struct kmem_cache *)0)))] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 30426: return (16); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 30431: ret = kmem_cache_alloc_notrace(s, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 33352: [size > 8192UL] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 33352: [!(size > 8192UL)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 33354: tmp = kmalloc_large___3(size, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 33361: [(flags & 1U) == 0U] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 33361: [!((flags & 1U) == 0U)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 33363: tmp___0 = kmalloc_slab(size); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 33367: [!(((unsigned long)s) == ((unsigned long)((struct kmem_cache *)0)))] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 33369: return (16); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 33374: ret = kmem_cache_alloc_notrace(s, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 37252: return (ldv_func_res); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 37715: [size > 8192UL] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 37715: [!(size > 8192UL)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 37717: tmp = kmalloc_large___4(size, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 37724: [(flags & 1U) == 0U] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 37724: [!((flags & 1U) == 0U)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 37726: tmp___0 = kmalloc_slab(size); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 37730: [!(((unsigned long)s) == ((unsigned long)((struct kmem_cache *)0)))] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 37732: return (16); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 37737: ret = kmem_cache_alloc_notrace(s, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 47302: [size > 8192UL] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 47302: [!(size > 8192UL)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 47304: tmp = kmalloc_large___5(size, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 47311: [(flags & 1U) == 0U] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 47311: [!((flags & 1U) == 0U)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 47313: tmp___0 = kmalloc_slab(size); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 47317: [!(((unsigned long)s) == ((unsigned long)((struct kmem_cache *)0)))] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 47319: return (16); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 47324: ret = kmem_cache_alloc_notrace(s, flags); (CFACreationUtils.addEdgeToCFA, INFO) Inline assembler ignored, analysis is probably unsound! (CFABuilder.leave, WARNING) Function pointer *((void (*)(unsigned long, const void *, size_t , size_t , gfp_t ))(*it_func)) with type void (*)(unsigned long int, const void *, size_t , size_t , gfp_t ) is called in line 7501, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *(tmp->digest) with type int (*)(struct hash_desc *, struct scatterlist *, unsigned int, u8 *) is called in line 17861, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *(sock->ops->connect) with type int (*)(struct socket *, struct sockaddr *, int, int) is called in line 20129, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *(sock->ops->setsockopt) with type int (*)(struct socket *, int, int, char *, unsigned int) is called in line 13137, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *((void (*)(unsigned long, const void *, size_t , size_t , gfp_t ))(*it_func)) with type void (*)(unsigned long int, const void *, size_t , size_t , gfp_t ) is called in line 30343, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *((void (*)(unsigned long, const void *, size_t , size_t , gfp_t ))(*it_func)) with type void (*)(unsigned long int, const void *, size_t , size_t , gfp_t ) is called in line 33286, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *((void (*)(unsigned long, const void *, size_t , size_t , gfp_t ))(*it_func)) with type void (*)(unsigned long int, const void *, size_t , size_t , gfp_t ) is called in line 37649, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *((void (*)(unsigned long, const void *, size_t , size_t , gfp_t ))(*it_func)) with type void (*)(unsigned long int, const void *, size_t , size_t , gfp_t ) is called in line 47236, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *((void (*)(unsigned long, const void *, size_t , size_t , gfp_t ))(*it_func)) with type void (*)(unsigned long int, const void *, size_t , size_t , gfp_t ) is called in line 12589, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *((void (*)(unsigned long, const void *, size_t , size_t , gfp_t ))(*it_func)) with type void (*)(unsigned long int, const void *, size_t , size_t , gfp_t ) is called in line 17546, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *(mdev->data.socket->ops->sendpage) with type ssize_t (*)(struct socket *, struct page *, int, size_t , int) is called in line 43391, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *((void (*)(struct module *, unsigned long, int))(*it_func)) with type void (*)(struct module *, unsigned long int, int) is called in line 37803, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *((void (*)(struct module *, unsigned long, int))(*it_func)) with type void (*)(struct module *, unsigned long int, int) is called in line 47377, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Analyzing with the following global conditions: timeout (walltime): 900 s (GlobalConditionsCPA., INFO) Starting analysis ... (CPAchecker.runAlgorithm, INFO) Stopping analysis ... (CPAchecker.runAlgorithm, INFO) ExplicitCPA statistics ---------------------- Max. number of variables: 3 Max. number of globals variables: 0 Avg. number of variables: 0.0652 Avg. number of global variables: 0.0 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.002s OmniscientCompositePrecisionAdjustment Stats statistics ------------------------------------------------------- Total time: 1.028s Total time for composite: 0.006s Total time for abstraction: 1.021s Total time for reached set: 0.000s Total time for path: 0.000s abstractions: 185 CPA algorithm statistics ------------------------ Number of iterations: 163 Max size of waitlist: 5 Average size of waitlist: 2 Number of computed successors: 185 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 20 Number of times breaked: 3 Total time for CPA algorithm: 1.070s (Max: 1.024s) Time for choose from waitlist: 0.002s Time for precision adjustment: 1.028s Time for transfer relation: 0.033s Time for stop operator: 0.002s Time for adding to reached set: 0.000s Explicit Interpolation-Based Refiner statistics ----------------------------------------------- number of explicit refinements: 3 number of successful explicit refinements: 3 number of explicit interpolations: 57 max. time for singe interpolation: 0.010s total time for interpolation: 0.019s CEGAR algorithm statistics -------------------------- Number of refinements: 3 Number of successful refinements: 3 Number of failed refinements: 0 Max. size of reached set before ref.: 45 Max. size of reached set after ref.: 3 Avg. size of reached set before ref.: 43.00 Avg. size of reached set after ref.: 3.00 Total time for CEGAR algorithm: 1.314s Time for refinements: 0.243s Average time for refinement: 0.081s Max time for refinement: 0.153s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPAchecker general statistics ----------------------------- Size of reached set: 46 Number of locations: 46 Avg states per loc.: 1 Max states per loc.: 1 (at node N31368) Number of partitions: 46 Avg size of partitions: 1 Max size of partitions: 1 Number of target states: 0 Number of program locations: 19083 Number of functions: 754 Number of loops: 203 Time for analysis setup: 4.703s Time for loading CPAs: 0.106s Time for loading C parser: 0.262s Time for CFA construction: 4.124s Time for parsing C file: 1.626s Time for AST to CFA: 1.810s Time for CFA sanity check: 0.001s Time for post-processing: 0.586s Time for Analysis: 1.314s CPU time for analysis: 2.400s Total time for CPAchecker: 6.020s Total CPU time for CPAchecker: 11.870s Time for Garbage Collector: 0.171s (in 3 runs) Garbage Collector(s) used: PS MarkSweep, PS Scavenge Used heap memory: 313MB max ( 114MB avg, 337MB peak) Used non-heap memory: 19MB max ( 15MB avg, 19MB peak) Used in PS Old Gen pool: 66MB max ( 19MB avg, 66MB peak) Allocated heap memory: 605MB max ( 523MB avg) Allocated non-heap memory: 24MB max ( 23MB avg) Total process virtual memory: 11934MB max ( 11921MB avg) Verification result: SAFE. No error path found by chosen configuration. More details about the verification run can be found in the directory "./output".