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/104.2f9e825.32_7a.cil_safe.i -------------------------------------------------------------------------------- Running JavaVM with special heap size: 10000M CPAchecker 1.2-svn started (CPAchecker.run, INFO) Dead code detected at line 7945: [size > 8192UL] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 7945: [!(size > 8192UL)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 7947: tmp = kmalloc_large(size, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 7954: [(flags & 1U) == 0U] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 7954: [!((flags & 1U) == 0U)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 7956: tmp___0 = kmalloc_slab(size); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 7960: [!(((unsigned long)s) == ((unsigned long)((struct kmem_cache *)0)))] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 7962: return (16); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 7967: ret = kmem_cache_alloc_notrace(s, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 11557: return (ldv_func_res); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 11633: return (ldv_func_res); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 12254: return (ldv_func_res); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 12647: [size > 8192UL] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 12647: [!(size > 8192UL)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 12649: tmp = kmalloc_large___0(size, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 12656: [(flags & 1U) == 0U] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 12656: [!((flags & 1U) == 0U)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 12658: tmp___0 = kmalloc_slab(size); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 12662: [!(((unsigned long)s) == ((unsigned long)((struct kmem_cache *)0)))] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 12664: return (16); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 12669: ret = kmem_cache_alloc_notrace(s, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 16756: return (ldv_func_res); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 17409: [size > 8192UL] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 17409: [!(size > 8192UL)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 17411: tmp = kmalloc_large___1(size, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 17418: [(flags & 1U) == 0U] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 17418: [!((flags & 1U) == 0U)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 17420: tmp___0 = kmalloc_slab(size); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 17424: [!(((unsigned long)s) == ((unsigned long)((struct kmem_cache *)0)))] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 17426: return (16); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 17431: ret = kmem_cache_alloc_notrace(s, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 19833: goto ldv_44897; (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 29014: return (ldv_func_res); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 29090: return (ldv_func_res); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 29331: [size > 8192UL] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 29331: [!(size > 8192UL)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 29333: tmp = kmalloc_large___2(size, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 29340: [(flags & 1U) == 0U] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 29340: [!((flags & 1U) == 0U)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 29342: tmp___0 = kmalloc_slab(size); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 29346: [!(((unsigned long)s) == ((unsigned long)((struct kmem_cache *)0)))] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 29348: return (16); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 29353: ret = kmem_cache_alloc_notrace(s, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 31909: return (ldv_func_res); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 32124: [size > 8192UL] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 32124: [!(size > 8192UL)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 32126: tmp = kmalloc_large___3(size, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 32133: [(flags & 1U) == 0U] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 32133: [!((flags & 1U) == 0U)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 32135: tmp___0 = kmalloc_slab(size); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 32139: [!(((unsigned long)s) == ((unsigned long)((struct kmem_cache *)0)))] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 32141: return (16); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 32146: ret = kmem_cache_alloc_notrace(s, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 35661: return (ldv_func_res); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 35737: return (ldv_func_res); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 36657: [size > 8192UL] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 36657: [!(size > 8192UL)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 36659: tmp = kmalloc_large___4(size, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 36666: [(flags & 1U) == 0U] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 36666: [!((flags & 1U) == 0U)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 36668: tmp___0 = kmalloc_slab(size); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 36672: [!(((unsigned long)s) == ((unsigned long)((struct kmem_cache *)0)))] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 36674: return (16); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 36679: ret = kmem_cache_alloc_notrace(s, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 45400: return (ldv_func_res); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 45841: return (ldv_func_res); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 46603: [size > 8192UL] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 46603: [!(size > 8192UL)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 46605: tmp = kmalloc_large___5(size, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 46612: [(flags & 1U) == 0U] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 46612: [!((flags & 1U) == 0U)] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 46614: tmp___0 = kmalloc_slab(size); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 46618: [!(((unsigned long)s) == ((unsigned long)((struct kmem_cache *)0)))] (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 46620: return (16); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 46625: ret = kmem_cache_alloc_notrace(s, flags); (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected at line 57797: return (ldv_func_res); (CFACreationUtils.addEdgeToCFA, INFO) Inline assembler ignored, analysis is probably unsound! (CFABuilder.leave, WARNING) Function pointer *(tmp->digest) with type int (*)(struct hash_desc *, struct scatterlist *, unsigned int, u8 *) is called in line 17648, 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 19970, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *((void (*)(void *, unsigned long, const void *, size_t , size_t , gfp_t ))it_func) with type void (*)(void *, unsigned long int, const void *, size_t , size_t , gfp_t ) is called in line 29267, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *((void (*)(void *, unsigned long, const void *, size_t , size_t , gfp_t ))it_func) with type void (*)(void *, unsigned long int, const void *, size_t , size_t , gfp_t ) is called in line 32060, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *((void (*)(void *, unsigned long, const void *, size_t , size_t , gfp_t ))it_func) with type void (*)(void *, unsigned long int, const void *, size_t , size_t , gfp_t ) is called in line 36593, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *((void (*)(void *, unsigned long, const void *, size_t , size_t , gfp_t ))it_func) with type void (*)(void *, unsigned long int, const void *, size_t , size_t , gfp_t ) is called in line 46539, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *((void (*)(void *, unsigned long, const void *, size_t , size_t , gfp_t ))it_func) with type void (*)(void *, unsigned long int, const void *, size_t , size_t , gfp_t ) is called in line 12583, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *((void (*)(void *, unsigned long, const void *, size_t , size_t , gfp_t ))it_func) with type void (*)(void *, unsigned long int, const void *, size_t , size_t , gfp_t ) is called in line 17345, 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 41877, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *((void (*)(void *, unsigned long, const void *, size_t , size_t , gfp_t ))it_func) with type void (*)(void *, unsigned long int, const void *, size_t , size_t , gfp_t ) is called in line 7682, 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 13154, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *((void (*)(void *, struct module *, unsigned long))it_func) with type void (*)(void *, struct module *, unsigned long int) is called in line 36146, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Function pointer *((void (*)(void *, struct module *, unsigned long))it_func) with type void (*)(void *, struct module *, unsigned long int) is called in line 46114, 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: 5 Max. number of globals variables: 0 Avg. number of variables: 0.1 Avg. number of global variables: 0.0 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.014s OmniscientCompositePrecisionAdjustment Stats statistics ------------------------------------------------------- Total time: 0.884s Total time for composite: 0.002s Total time for abstraction: 0.876s Total time for reached set: 0.000s Total time for path: 0.002s abstractions: 289 CPA algorithm statistics ------------------------ Number of iterations: 255 Max size of waitlist: 5 Average size of waitlist: 2 Number of computed successors: 289 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 30 Number of times breaked: 5 Total time for CPA algorithm: 0.942s (Max: 0.879s) Time for choose from waitlist: 0.002s Time for precision adjustment: 0.885s Time for transfer relation: 0.045s Time for stop operator: 0.000s Time for adding to reached set: 0.006s Explicit Interpolation-Based Refiner statistics ----------------------------------------------- number of explicit refinements: 5 number of successful explicit refinements: 5 number of explicit interpolations: 120 max. time for singe interpolation: 0.012s total time for interpolation: 0.039s CEGAR algorithm statistics -------------------------- Number of refinements: 5 Number of successful refinements: 5 Number of failed refinements: 0 Max. size of reached set before ref.: 49 Max. size of reached set after ref.: 3 Avg. size of reached set before ref.: 45.00 Avg. size of reached set after ref.: 3.00 Total time for CEGAR algorithm: 1.345s Time for refinements: 0.403s Average time for refinement: 0.080s Max time for refinement: 0.163s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPAchecker general statistics ----------------------------- Size of reached set: 50 Number of locations: 50 Avg states per loc.: 1 Max states per loc.: 1 (at node N2756) Number of partitions: 50 Avg size of partitions: 1 Max size of partitions: 1 Number of target states: 0 Number of program locations: 19297 Number of functions: 813 Number of loops: 216 Time for analysis setup: 5.398s Time for loading CPAs: 0.216s Time for loading C parser: 0.251s Time for CFA construction: 4.693s Time for parsing C file: 1.621s Time for AST to CFA: 2.153s Time for CFA sanity check: 0.000s Time for post-processing: 0.804s Time for Analysis: 1.346s CPU time for analysis: 2.440s Total time for CPAchecker: 6.746s Total CPU time for CPAchecker: 12.500s Time for Garbage Collector: 0.161s (in 3 runs) Garbage Collector(s) used: PS MarkSweep, PS Scavenge Used heap memory: 312MB max ( 114MB avg, 335MB peak) Used non-heap memory: 19MB max ( 15MB avg, 19MB peak) Used in PS Old Gen pool: 64MB max ( 19MB avg, 64MB peak) Allocated heap memory: 605MB max ( 525MB 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".