java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:18:07,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:18:07,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:18:07,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:18:07,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:18:07,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:18:07,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:18:07,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:18:07,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:18:07,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:18:07,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:18:07,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:18:07,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:18:07,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:18:07,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:18:07,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:18:07,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:18:07,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:18:07,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:18:07,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:18:07,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:18:07,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:18:07,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:18:07,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:18:07,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:18:07,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:18:07,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:18:07,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:18:07,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:18:07,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:18:07,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:18:07,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:18:07,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:18:07,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:18:07,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:18:07,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:18:07,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:18:07,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:18:07,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:18:07,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:18:07,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:18:07,804 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:18:07,820 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:18:07,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:18:07,820 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:18:07,820 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:18:07,821 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:18:07,821 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:18:07,822 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:18:07,822 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:18:07,822 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:18:07,822 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:18:07,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:18:07,823 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:18:07,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:18:07,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:18:07,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:18:07,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:18:07,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:18:07,824 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:18:07,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:18:07,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:18:07,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:18:07,825 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:18:07,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:18:07,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:18:07,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:18:07,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:18:07,826 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:18:07,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:18:07,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:18:07,827 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:18:07,853 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:18:07,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:18:07,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:18:07,871 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:18:07,871 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:18:07,872 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2019-10-03 02:18:07,931 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01743b881/20ed0097f36d4745817017d32e38fdf2/FLAGe3e3c70a5 [2019-10-03 02:18:08,645 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:18:08,646 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2019-10-03 02:18:08,677 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01743b881/20ed0097f36d4745817017d32e38fdf2/FLAGe3e3c70a5 [2019-10-03 02:18:08,713 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01743b881/20ed0097f36d4745817017d32e38fdf2 [2019-10-03 02:18:08,723 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:18:08,725 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:18:08,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:18:08,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:18:08,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:18:08,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:18:08" (1/1) ... [2019-10-03 02:18:08,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61283057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:08, skipping insertion in model container [2019-10-03 02:18:08,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:18:08" (1/1) ... [2019-10-03 02:18:08,742 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:18:08,854 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:18:10,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:18:10,204 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:18:10,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:18:10,604 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:18:10,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:10 WrapperNode [2019-10-03 02:18:10,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:18:10,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:18:10,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:18:10,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:18:10,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:10" (1/1) ... [2019-10-03 02:18:10,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:10" (1/1) ... [2019-10-03 02:18:10,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:10" (1/1) ... [2019-10-03 02:18:10,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:10" (1/1) ... [2019-10-03 02:18:10,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:10" (1/1) ... [2019-10-03 02:18:10,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:10" (1/1) ... [2019-10-03 02:18:10,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:10" (1/1) ... [2019-10-03 02:18:10,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:18:10,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:18:10,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:18:10,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:18:10,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:18:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:18:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:18:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~~uint32_t~0~TO~int [2019-10-03 02:18:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-03 02:18:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 02:18:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 02:18:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-03 02:18:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-03 02:18:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 02:18:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 02:18:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 02:18:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 02:18:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 02:18:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-03 02:18:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-03 02:18:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-03 02:18:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-03 02:18:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-03 02:18:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-03 02:18:11,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-03 02:18:11,023 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2019-10-03 02:18:11,024 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-03 02:18:11,024 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-03 02:18:11,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_open [2019-10-03 02:18:11,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_ioctl [2019-10-03 02:18:11,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_unlocked_ioctl [2019-10-03 02:18:11,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_get_adapter [2019-10-03 02:18:11,025 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_drvrcmd [2019-10-03 02:18:11,025 INFO L138 BoogieDeclarations]: Found implementation of procedure mimd_to_kioc [2019-10-03 02:18:11,025 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_attach_buf [2019-10-03 02:18:11,025 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_alloc_kioc [2019-10-03 02:18:11,025 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_dealloc_kioc [2019-10-03 02:18:11,025 INFO L138 BoogieDeclarations]: Found implementation of procedure lld_ioctl [2019-10-03 02:18:11,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_done [2019-10-03 02:18:11,026 INFO L138 BoogieDeclarations]: Found implementation of procedure lld_timedout [2019-10-03 02:18:11,026 INFO L138 BoogieDeclarations]: Found implementation of procedure kioc_to_mimd [2019-10-03 02:18:11,026 INFO L138 BoogieDeclarations]: Found implementation of procedure hinfo_to_cinfo [2019-10-03 02:18:11,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_register_adp [2019-10-03 02:18:11,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_adapter_app_handle [2019-10-03 02:18:11,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_setup_dma_pools [2019-10-03 02:18:11,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_unregister_adp [2019-10-03 02:18:11,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_free_adp_resources [2019-10-03 02:18:11,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_teardown_dma_pools [2019-10-03 02:18:11,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_init [2019-10-03 02:18:11,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_compat_ioctl [2019-10-03 02:18:11,029 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_exit [2019-10-03 02:18:11,029 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-03 02:18:11,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-10-03 02:18:11,029 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-03 02:18:11,030 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-03 02:18:11,030 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-03 02:18:11,030 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:18:11,030 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-03 02:18:11,030 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-03 02:18:11,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-03 02:18:11,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_24 [2019-10-03 02:18:11,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_25 [2019-10-03 02:18:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_26 [2019-10-03 02:18:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_27 [2019-10-03 02:18:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_28 [2019-10-03 02:18:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_29 [2019-10-03 02:18:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 02:18:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 02:18:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 02:18:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 02:18:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 02:18:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-03 02:18:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-03 02:18:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-03 02:18:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-03 02:18:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-03 02:18:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-03 02:18:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-03 02:18:11,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-03 02:18:11,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-03 02:18:11,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-03 02:18:11,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-03 02:18:11,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-03 02:18:11,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-03 02:18:11,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-03 02:18:11,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-03 02:18:11,087 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-03 02:18:11,087 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-03 02:18:11,087 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-03 02:18:11,087 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-03 02:18:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-03 02:18:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-03 02:18:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2019-10-03 02:18:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2019-10-03 02:18:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2019-10-03 02:18:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2019-10-03 02:18:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-03 02:18:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 02:18:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 02:18:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2019-10-03 02:18:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-03 02:18:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-03 02:18:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-10-03 02:18:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-10-03 02:18:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-03 02:18:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-03 02:18:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-03 02:18:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-03 02:18:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 02:18:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-03 02:18:11,091 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2019-10-03 02:18:11,091 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 02:18:11,091 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 02:18:11,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 02:18:11,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 02:18:11,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 02:18:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:18:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 02:18:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 02:18:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-03 02:18:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-03 02:18:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-03 02:18:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-03 02:18:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:18:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 02:18:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 02:18:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:18:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 02:18:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 02:18:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 02:18:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 02:18:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:18:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 02:18:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 02:18:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-03 02:18:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-03 02:18:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 02:18:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 02:18:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 02:18:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 02:18:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 02:18:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-03 02:18:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:18:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-03 02:18:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-03 02:18:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:18:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-03 02:18:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-03 02:18:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-03 02:18:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-03 02:18:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 02:18:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-03 02:18:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-03 02:18:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-03 02:18:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-03 02:18:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-03 02:18:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-03 02:18:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-03 02:18:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-03 02:18:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-03 02:18:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-03 02:18:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-03 02:18:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-03 02:18:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-03 02:18:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-03 02:18:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-03 02:18:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_25 [2019-10-03 02:18:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-03 02:18:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-03 02:18:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 02:18:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-03 02:18:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-03 02:18:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-03 02:18:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-03 02:18:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-10-03 02:18:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-03 02:18:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-03 02:18:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-03 02:18:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2019-10-03 02:18:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:18:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:18:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:18:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:18:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure down [2019-10-03 02:18:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure up [2019-10-03 02:18:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-03 02:18:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-03 02:18:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-03 02:18:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-03 02:18:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-03 02:18:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-03 02:18:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-03 02:18:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2019-10-03 02:18:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2019-10-03 02:18:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_24 [2019-10-03 02:18:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_26 [2019-10-03 02:18:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_27 [2019-10-03 02:18:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2019-10-03 02:18:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-10-03 02:18:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_28 [2019-10-03 02:18:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-10-03 02:18:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_29 [2019-10-03 02:18:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_register_adp [2019-10-03 02:18:11,105 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_unregister_adp [2019-10-03 02:18:11,105 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_adapter_app_handle [2019-10-03 02:18:11,105 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_open [2019-10-03 02:18:11,105 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_unlocked_ioctl [2019-10-03 02:18:11,105 INFO L130 BoogieDeclarations]: Found specification of procedure mimd_to_kioc [2019-10-03 02:18:11,105 INFO L130 BoogieDeclarations]: Found specification of procedure kioc_to_mimd [2019-10-03 02:18:11,105 INFO L130 BoogieDeclarations]: Found specification of procedure handle_drvrcmd [2019-10-03 02:18:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure lld_ioctl [2019-10-03 02:18:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_done [2019-10-03 02:18:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure lld_timedout [2019-10-03 02:18:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure hinfo_to_cinfo [2019-10-03 02:18:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_get_adapter [2019-10-03 02:18:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_alloc_kioc [2019-10-03 02:18:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_dealloc_kioc [2019-10-03 02:18:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_attach_buf [2019-10-03 02:18:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_setup_dma_pools [2019-10-03 02:18:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_free_adp_resources [2019-10-03 02:18:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_teardown_dma_pools [2019-10-03 02:18:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_compat_ioctl [2019-10-03 02:18:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_ioctl [2019-10-03 02:18:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 02:18:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~~uint32_t~0~TO~int [2019-10-03 02:18:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_init [2019-10-03 02:18:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_exit [2019-10-03 02:18:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 02:18:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2019-10-03 02:18:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 02:18:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-03 02:18:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:18:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 02:18:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 02:18:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 02:18:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 02:18:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 02:18:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-03 02:18:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-03 02:18:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-03 02:18:11,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-03 02:18:11,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-03 02:18:11,111 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 02:18:11,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-03 02:18:11,111 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:18:11,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:18:11,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:18:11,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 02:18:11,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:18:11,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 02:18:11,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 02:18:11,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 02:18:11,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 02:18:11,970 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 02:18:23,843 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:18:23,844 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 02:18:23,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:18:23 BoogieIcfgContainer [2019-10-03 02:18:23,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:18:23,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:18:23,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:18:23,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:18:23,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:18:08" (1/3) ... [2019-10-03 02:18:23,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65adbdf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:18:23, skipping insertion in model container [2019-10-03 02:18:23,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:10" (2/3) ... [2019-10-03 02:18:23,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65adbdf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:18:23, skipping insertion in model container [2019-10-03 02:18:23,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:18:23" (3/3) ... [2019-10-03 02:18:23,855 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2019-10-03 02:18:23,865 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:18:23,874 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:18:23,891 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:18:23,919 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:18:23,919 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:18:23,922 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:18:23,922 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:18:23,923 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:18:23,923 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:18:23,930 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:18:23,930 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:18:23,969 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states. [2019-10-03 02:18:23,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-10-03 02:18:23,999 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:18:24,001 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:18:24,003 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:18:24,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:18:24,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1076393848, now seen corresponding path program 1 times [2019-10-03 02:18:24,010 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:18:24,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:24,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:18:24,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:24,105 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:18:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:18:24,770 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-10-03 02:18:24,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:18:24,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:18:24,774 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:18:24,780 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:18:24,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:18:24,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:18:24,798 INFO L87 Difference]: Start difference. First operand 752 states. Second operand 2 states. [2019-10-03 02:18:24,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:18:24,854 INFO L93 Difference]: Finished difference Result 569 states and 727 transitions. [2019-10-03 02:18:24,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:18:24,855 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 227 [2019-10-03 02:18:24,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:18:24,878 INFO L225 Difference]: With dead ends: 569 [2019-10-03 02:18:24,879 INFO L226 Difference]: Without dead ends: 542 [2019-10-03 02:18:24,880 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:18:24,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2019-10-03 02:18:24,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 542. [2019-10-03 02:18:24,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-10-03 02:18:24,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 695 transitions. [2019-10-03 02:18:24,971 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 695 transitions. Word has length 227 [2019-10-03 02:18:24,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:18:24,973 INFO L475 AbstractCegarLoop]: Abstraction has 542 states and 695 transitions. [2019-10-03 02:18:24,973 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:18:24,974 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 695 transitions. [2019-10-03 02:18:24,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-10-03 02:18:24,981 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:18:24,981 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:18:24,982 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:18:24,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:18:24,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1799310093, now seen corresponding path program 1 times [2019-10-03 02:18:24,982 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:18:24,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:24,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:18:24,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:24,993 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:18:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:18:25,315 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-10-03 02:18:25,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:18:25,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:18:25,316 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:18:25,383 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:18:25,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:18:25,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:18:25,384 INFO L87 Difference]: Start difference. First operand 542 states and 695 transitions. Second operand 3 states. [2019-10-03 02:18:25,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:18:25,514 INFO L93 Difference]: Finished difference Result 589 states and 754 transitions. [2019-10-03 02:18:25,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:18:25,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 221 [2019-10-03 02:18:25,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:18:25,521 INFO L225 Difference]: With dead ends: 589 [2019-10-03 02:18:25,521 INFO L226 Difference]: Without dead ends: 589 [2019-10-03 02:18:25,522 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:18:25,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2019-10-03 02:18:25,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 579. [2019-10-03 02:18:25,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-10-03 02:18:25,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 741 transitions. [2019-10-03 02:18:25,555 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 741 transitions. Word has length 221 [2019-10-03 02:18:25,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:18:25,556 INFO L475 AbstractCegarLoop]: Abstraction has 579 states and 741 transitions. [2019-10-03 02:18:25,556 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:18:25,556 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 741 transitions. [2019-10-03 02:18:25,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-10-03 02:18:25,562 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:18:25,562 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:18:25,563 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:18:25,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:18:25,563 INFO L82 PathProgramCache]: Analyzing trace with hash 447614855, now seen corresponding path program 1 times [2019-10-03 02:18:25,563 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:18:25,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:25,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:18:25,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:25,572 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:18:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:18:25,846 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2019-10-03 02:18:25,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:18:25,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:18:25,847 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:18:25,848 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:18:25,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:18:25,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:18:25,849 INFO L87 Difference]: Start difference. First operand 579 states and 741 transitions. Second operand 3 states. [2019-10-03 02:18:25,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:18:25,924 INFO L93 Difference]: Finished difference Result 579 states and 733 transitions. [2019-10-03 02:18:25,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:18:25,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 283 [2019-10-03 02:18:25,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:18:25,930 INFO L225 Difference]: With dead ends: 579 [2019-10-03 02:18:25,930 INFO L226 Difference]: Without dead ends: 579 [2019-10-03 02:18:25,931 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:18:25,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2019-10-03 02:18:25,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2019-10-03 02:18:25,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-10-03 02:18:25,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 733 transitions. [2019-10-03 02:18:25,954 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 733 transitions. Word has length 283 [2019-10-03 02:18:25,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:18:25,955 INFO L475 AbstractCegarLoop]: Abstraction has 579 states and 733 transitions. [2019-10-03 02:18:25,955 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:18:25,955 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 733 transitions. [2019-10-03 02:18:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-10-03 02:18:25,961 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:18:25,961 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:18:25,962 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:18:25,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:18:25,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1607733315, now seen corresponding path program 1 times [2019-10-03 02:18:25,962 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:18:25,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:25,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:18:25,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:25,971 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:18:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:18:26,232 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2019-10-03 02:18:26,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:18:26,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:18:26,233 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:18:26,234 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:18:26,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:18:26,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:18:26,235 INFO L87 Difference]: Start difference. First operand 579 states and 733 transitions. Second operand 3 states. [2019-10-03 02:18:26,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:18:26,786 INFO L93 Difference]: Finished difference Result 637 states and 805 transitions. [2019-10-03 02:18:26,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:18:26,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 283 [2019-10-03 02:18:26,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:18:26,796 INFO L225 Difference]: With dead ends: 637 [2019-10-03 02:18:26,796 INFO L226 Difference]: Without dead ends: 637 [2019-10-03 02:18:26,796 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:18:26,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2019-10-03 02:18:26,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 627. [2019-10-03 02:18:26,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2019-10-03 02:18:26,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 793 transitions. [2019-10-03 02:18:26,838 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 793 transitions. Word has length 283 [2019-10-03 02:18:26,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:18:26,840 INFO L475 AbstractCegarLoop]: Abstraction has 627 states and 793 transitions. [2019-10-03 02:18:26,840 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:18:26,841 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 793 transitions. [2019-10-03 02:18:26,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2019-10-03 02:18:26,851 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:18:26,853 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:18:26,853 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:18:26,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:18:26,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1538028031, now seen corresponding path program 1 times [2019-10-03 02:18:26,854 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:18:26,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:26,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:18:26,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:26,864 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:18:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:18:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2019-10-03 02:18:27,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:18:27,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:18:27,385 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:18:27,385 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:18:27,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:18:27,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:18:27,386 INFO L87 Difference]: Start difference. First operand 627 states and 793 transitions. Second operand 3 states. [2019-10-03 02:18:27,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:18:27,431 INFO L93 Difference]: Finished difference Result 640 states and 814 transitions. [2019-10-03 02:18:27,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:18:27,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 298 [2019-10-03 02:18:27,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:18:27,439 INFO L225 Difference]: With dead ends: 640 [2019-10-03 02:18:27,439 INFO L226 Difference]: Without dead ends: 640 [2019-10-03 02:18:27,440 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:18:27,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2019-10-03 02:18:27,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 628. [2019-10-03 02:18:27,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2019-10-03 02:18:27,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 794 transitions. [2019-10-03 02:18:27,459 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 794 transitions. Word has length 298 [2019-10-03 02:18:27,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:18:27,460 INFO L475 AbstractCegarLoop]: Abstraction has 628 states and 794 transitions. [2019-10-03 02:18:27,460 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:18:27,460 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 794 transitions. [2019-10-03 02:18:27,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-10-03 02:18:27,466 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:18:27,466 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:18:27,466 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:18:27,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:18:27,467 INFO L82 PathProgramCache]: Analyzing trace with hash 111852314, now seen corresponding path program 1 times [2019-10-03 02:18:27,467 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:18:27,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:27,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:18:27,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:27,475 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:18:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:18:27,786 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-10-03 02:18:27,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:18:27,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:18:27,786 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:18:27,787 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:18:27,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:18:27,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:18:27,788 INFO L87 Difference]: Start difference. First operand 628 states and 794 transitions. Second operand 3 states. [2019-10-03 02:18:27,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:18:27,819 INFO L93 Difference]: Finished difference Result 636 states and 806 transitions. [2019-10-03 02:18:27,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:18:27,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 302 [2019-10-03 02:18:27,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:18:27,824 INFO L225 Difference]: With dead ends: 636 [2019-10-03 02:18:27,824 INFO L226 Difference]: Without dead ends: 636 [2019-10-03 02:18:27,824 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:18:27,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2019-10-03 02:18:27,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 634. [2019-10-03 02:18:27,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2019-10-03 02:18:27,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 802 transitions. [2019-10-03 02:18:27,843 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 802 transitions. Word has length 302 [2019-10-03 02:18:27,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:18:27,844 INFO L475 AbstractCegarLoop]: Abstraction has 634 states and 802 transitions. [2019-10-03 02:18:27,844 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:18:27,844 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 802 transitions. [2019-10-03 02:18:27,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-10-03 02:18:27,851 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:18:27,851 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:18:27,851 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:18:27,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:18:27,852 INFO L82 PathProgramCache]: Analyzing trace with hash -871402112, now seen corresponding path program 1 times [2019-10-03 02:18:27,852 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:18:27,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:27,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:18:27,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:27,860 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:18:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:18:28,434 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2019-10-03 02:18:28,434 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:18:28,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-03 02:18:28,435 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:18:28,435 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-03 02:18:28,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-03 02:18:28,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-10-03 02:18:28,436 INFO L87 Difference]: Start difference. First operand 634 states and 802 transitions. Second operand 12 states. [2019-10-03 02:18:29,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:18:29,126 INFO L93 Difference]: Finished difference Result 643 states and 810 transitions. [2019-10-03 02:18:29,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:18:29,127 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 328 [2019-10-03 02:18:29,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:18:29,130 INFO L225 Difference]: With dead ends: 643 [2019-10-03 02:18:29,131 INFO L226 Difference]: Without dead ends: 636 [2019-10-03 02:18:29,131 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2019-10-03 02:18:29,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2019-10-03 02:18:29,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 632. [2019-10-03 02:18:29,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2019-10-03 02:18:29,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 799 transitions. [2019-10-03 02:18:29,150 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 799 transitions. Word has length 328 [2019-10-03 02:18:29,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:18:29,151 INFO L475 AbstractCegarLoop]: Abstraction has 632 states and 799 transitions. [2019-10-03 02:18:29,151 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-03 02:18:29,151 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 799 transitions. [2019-10-03 02:18:29,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-10-03 02:18:29,158 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:18:29,158 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:18:29,159 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:18:29,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:18:29,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1844971335, now seen corresponding path program 1 times [2019-10-03 02:18:29,159 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:18:29,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:29,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:18:29,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:29,167 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:18:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:18:29,545 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2019-10-03 02:18:29,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:18:29,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:18:29,546 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:18:29,547 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:18:29,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:18:29,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:18:29,547 INFO L87 Difference]: Start difference. First operand 632 states and 799 transitions. Second operand 5 states. [2019-10-03 02:18:29,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:18:29,718 INFO L93 Difference]: Finished difference Result 742 states and 927 transitions. [2019-10-03 02:18:29,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 02:18:29,719 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 332 [2019-10-03 02:18:29,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:18:29,723 INFO L225 Difference]: With dead ends: 742 [2019-10-03 02:18:29,723 INFO L226 Difference]: Without dead ends: 742 [2019-10-03 02:18:29,724 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:18:29,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2019-10-03 02:18:29,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 636. [2019-10-03 02:18:29,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2019-10-03 02:18:29,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 803 transitions. [2019-10-03 02:18:29,746 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 803 transitions. Word has length 332 [2019-10-03 02:18:29,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:18:29,747 INFO L475 AbstractCegarLoop]: Abstraction has 636 states and 803 transitions. [2019-10-03 02:18:29,747 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:18:29,747 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 803 transitions. [2019-10-03 02:18:29,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2019-10-03 02:18:29,755 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:18:29,755 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:18:29,756 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:18:29,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:18:29,756 INFO L82 PathProgramCache]: Analyzing trace with hash 2072225079, now seen corresponding path program 1 times [2019-10-03 02:18:29,756 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:18:29,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:29,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:18:29,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:29,766 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:18:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:18:30,232 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2019-10-03 02:18:30,233 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:18:30,233 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:18:30,234 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 336 with the following transitions: [2019-10-03 02:18:30,237 INFO L207 CegarAbsIntRunner]: [11], [12], [15], [17], [35], [36], [42], [43], [70], [71], [80], [85], [123], [147], [150], [282], [284], [289], [292], [297], [303], [306], [310], [312], [316], [318], [356], [358], [361], [385], [403], [406], [409], [411], [414], [419], [423], [432], [437], [438], [460], [466], [467], [482], [491], [494], [500], [504], [506], [517], [520], [527], [529], [533], [537], [539], [543], [554], [556], [584], [586], [587], [588], [589], [606], [611], [613], [614], [622], [625], [632], [635], [636], [643], [646], [648], [650], [652], [654], [656], [668], [671], [674], [686], [689], [692], [694], [697], [705], [724], [727], [730], [733], [736], [743], [756], [759], [762], [764], [767], [831], [832], [833], [834], [863], [864], [865], [866], [867], [868], [938], [940], [945], [950], [951], [952], [953], [956], [959], [966], [968], [972], [977], [982], [986], [1009], [1033], [1036], [1041], [1043], [1135], [1137], [1139], [1140], [1143], [1144], [1151], [1152], [1200], [1201], [1215], [1216], [1219], [1224], [1235], [1238], [1239], [1247], [1262], [1264], [1266], [1267], [1429], [1430], [1455], [1495], [1496], [1499], [1500], [1501], [1502], [1503], [1515], [1516], [1525], [1526], [1527], [1528], [1529], [1530], [1531], [1532], [1533], [1534], [1553], [1554], [1555], [1556], [1557], [1558], [1559], [1560], [1561], [1573], [1574], [1583], [1587], [1588], [1591], [1592], [1593], [1594], [1597], [1598], [1601], [1602], [1603], [1604], [1605], [1606], [1607], [1608], [1609], [1610], [1611], [1612], [1617], [1618], [1621], [1625], [1626], [1655], [1656], [1657], [1658], [1659], [1660], [1663], [1664], [1669], [1683], [1684], [1685], [1686], [1713], [1714], [1715], [1716], [1717], [1718], [1719], [1723], [1724], [1725], [1726], [1727], [1728], [1729] [2019-10-03 02:18:30,296 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:18:30,296 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:18:30,420 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:18:30,422 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 132 root evaluator evaluations with a maximum evaluation depth of 0. Performed 132 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 248 variables. [2019-10-03 02:18:30,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:18:30,427 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:18:30,528 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:18:30,528 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:18:30,541 INFO L420 sIntCurrentIteration]: We unified 334 AI predicates to 334 [2019-10-03 02:18:30,542 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:18:30,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:18:30,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2019-10-03 02:18:30,543 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:18:30,544 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:18:30,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:18:30,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:18:30,544 INFO L87 Difference]: Start difference. First operand 636 states and 803 transitions. Second operand 2 states. [2019-10-03 02:18:30,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:18:30,545 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:18:30,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:18:30,545 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 335 [2019-10-03 02:18:30,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:18:30,545 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:18:30,546 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:18:30,546 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:18:30,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:18:30,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:18:30,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:18:30,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:18:30,547 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 335 [2019-10-03 02:18:30,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:18:30,547 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:18:30,547 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:18:30,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:18:30,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:18:30,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:18:30 BoogieIcfgContainer [2019-10-03 02:18:30,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:18:30,556 INFO L168 Benchmark]: Toolchain (without parser) took 21830.19 ms. Allocated memory was 139.5 MB in the beginning and 616.0 MB in the end (delta: 476.6 MB). Free memory was 79.7 MB in the beginning and 416.1 MB in the end (delta: -336.5 MB). Peak memory consumption was 140.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:18:30,558 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:18:30,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1879.86 ms. Allocated memory was 139.5 MB in the beginning and 220.7 MB in the end (delta: 81.3 MB). Free memory was 79.2 MB in the beginning and 104.5 MB in the end (delta: -25.3 MB). Peak memory consumption was 69.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:18:30,561 INFO L168 Benchmark]: Boogie Preprocessor took 319.55 ms. Allocated memory is still 220.7 MB. Free memory was 104.5 MB in the beginning and 87.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:18:30,563 INFO L168 Benchmark]: RCFGBuilder took 12919.78 ms. Allocated memory was 220.7 MB in the beginning and 413.7 MB in the end (delta: 192.9 MB). Free memory was 87.3 MB in the beginning and 299.1 MB in the end (delta: -211.7 MB). Peak memory consumption was 221.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:18:30,568 INFO L168 Benchmark]: TraceAbstraction took 6706.10 ms. Allocated memory was 413.7 MB in the beginning and 616.0 MB in the end (delta: 202.4 MB). Free memory was 299.1 MB in the beginning and 416.1 MB in the end (delta: -117.1 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:18:30,575 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1879.86 ms. Allocated memory was 139.5 MB in the beginning and 220.7 MB in the end (delta: 81.3 MB). Free memory was 79.2 MB in the beginning and 104.5 MB in the end (delta: -25.3 MB). Peak memory consumption was 69.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 319.55 ms. Allocated memory is still 220.7 MB. Free memory was 104.5 MB in the beginning and 87.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12919.78 ms. Allocated memory was 220.7 MB in the beginning and 413.7 MB in the end (delta: 192.9 MB). Free memory was 87.3 MB in the beginning and 299.1 MB in the end (delta: -211.7 MB). Peak memory consumption was 221.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6706.10 ms. Allocated memory was 413.7 MB in the beginning and 616.0 MB in the end (delta: 202.4 MB). Free memory was 299.1 MB in the beginning and 416.1 MB in the end (delta: -117.1 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5160]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 111 procedures, 832 locations, 1 error locations. SAFE Result, 6.6s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5714 SDtfs, 1001 SDslu, 11735 SDs, 0 SdLazy, 139 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 371 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=752occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.218562874251497 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 144 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2609 NumberOfCodeBlocks, 2609 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2600 ConstructedInterpolants, 0 QuantifiedInterpolants, 821834 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 1489/1492 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...