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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 08:51:16,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 08:51:16,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 08:51:16,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 08:51:16,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 08:51:16,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 08:51:16,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 08:51:16,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 08:51:16,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 08:51:16,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 08:51:16,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 08:51:16,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 08:51:16,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 08:51:16,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 08:51:16,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 08:51:16,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 08:51:16,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 08:51:16,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 08:51:16,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 08:51:16,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 08:51:16,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 08:51:16,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 08:51:16,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 08:51:16,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 08:51:16,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 08:51:16,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 08:51:16,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 08:51:16,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 08:51:16,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 08:51:16,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 08:51:16,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 08:51:16,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 08:51:16,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 08:51:16,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 08:51:16,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 08:51:16,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 08:51:16,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 08:51:16,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 08:51:16,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 08:51:16,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 08:51:16,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 08:51:16,902 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 08:51:16,916 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 08:51:16,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 08:51:16,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 08:51:16,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 08:51:16,918 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 08:51:16,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 08:51:16,918 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 08:51:16,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 08:51:16,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 08:51:16,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 08:51:16,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 08:51:16,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 08:51:16,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 08:51:16,920 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 08:51:16,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 08:51:16,920 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 08:51:16,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 08:51:16,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 08:51:16,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 08:51:16,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 08:51:16,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 08:51:16,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 08:51:16,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 08:51:16,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 08:51:16,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 08:51:16,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 08:51:16,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 08:51:16,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 08:51:16,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 08:51:16,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 08:51:16,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 08:51:16,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 08:51:16,967 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 08:51:16,968 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 08:51:16,968 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i [2019-10-02 08:51:17,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fd3f5f03/77a2ecf1cc704bbfa4cf3a43ab992562/FLAGa941bac05 [2019-10-02 08:51:17,828 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 08:51:17,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i [2019-10-02 08:51:17,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fd3f5f03/77a2ecf1cc704bbfa4cf3a43ab992562/FLAGa941bac05 [2019-10-02 08:51:18,349 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fd3f5f03/77a2ecf1cc704bbfa4cf3a43ab992562 [2019-10-02 08:51:18,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 08:51:18,362 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 08:51:18,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 08:51:18,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 08:51:18,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 08:51:18,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 08:51:18" (1/1) ... [2019-10-02 08:51:18,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402796f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:51:18, skipping insertion in model container [2019-10-02 08:51:18,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 08:51:18" (1/1) ... [2019-10-02 08:51:18,378 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 08:51:18,510 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 08:51:20,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 08:51:21,110 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 08:51:21,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 08:51:22,388 INFO L192 MainTranslator]: Completed translation [2019-10-02 08:51:22,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:51:22 WrapperNode [2019-10-02 08:51:22,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 08:51:22,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 08:51:22,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 08:51:22,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 08:51:22,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:51:22" (1/1) ... [2019-10-02 08:51:22,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:51:22" (1/1) ... [2019-10-02 08:51:22,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:51:22" (1/1) ... [2019-10-02 08:51:22,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:51:22" (1/1) ... [2019-10-02 08:51:22,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:51:22" (1/1) ... [2019-10-02 08:51:22,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:51:22" (1/1) ... [2019-10-02 08:51:22,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:51:22" (1/1) ... [2019-10-02 08:51:22,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 08:51:22,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 08:51:22,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 08:51:22,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 08:51:22,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:51:22" (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 [2019-10-02 08:51:23,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 08:51:23,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 08:51:23,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~$Pointer$ [2019-10-02 08:51:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2019-10-02 08:51:23,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-02 08:51:23,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~~u64~0~X~~u32~0~X~~u32~0~TO~int [2019-10-02 08:51:23,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~VOID [2019-10-02 08:51:23,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-02 08:51:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2019-10-02 08:51:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~u16~0~X~~u16~0~X~~u8~0~TO~int [2019-10-02 08:51:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~TO~int [2019-10-02 08:51:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~u16~0~TO~int [2019-10-02 08:51:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2019-10-02 08:51:23,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u32~0~X~int~X~$Pointer$~TO~int [2019-10-02 08:51:23,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u32~0~X~int~X~~u32~0~TO~int [2019-10-02 08:51:23,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u8~0~X~~u32~0~X~int~X~$Pointer$~TO~int [2019-10-02 08:51:23,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u8~0~X~~u32~0~X~int~X~~u32~0~TO~int [2019-10-02 08:51:23,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u16~0~TO~int [2019-10-02 08:51:23,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-02 08:51:23,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 08:51:23,018 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-02 08:51:23,018 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-02 08:51:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-02 08:51:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_zero [2019-10-02 08:51:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2019-10-02 08:51:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 08:51:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-02 08:51:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-02 08:51:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-02 08:51:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-02 08:51:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-02 08:51:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 08:51:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 08:51:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2019-10-02 08:51:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-10-02 08:51:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 08:51:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 08:51:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 08:51:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-02 08:51:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-02 08:51:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 08:51:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 08:51:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 08:51:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 08:51:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 08:51:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-02 08:51:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_prep_rio_sg [2019-10-02 08:51:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_cap_set [2019-10-02 08:51:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_cap_zero [2019-10-02 08:51:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_local_read_config_32 [2019-10-02 08:51:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_local_write_config_32 [2019-10-02 08:51:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_read_config_32 [2019-10-02 08:51:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_write_config_32 [2019-10-02 08:51:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_init_mbox_res [2019-10-02 08:51:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_init_dbell_res [2019-10-02 08:51:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_name [2019-10-02 08:51:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_local_get_device_id [2019-10-02 08:51:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_add_device [2019-10-02 08:51:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_inb_mbox [2019-10-02 08:51:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_release_inb_mbox [2019-10-02 08:51:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_outb_mbox [2019-10-02 08:51:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_release_outb_mbox [2019-10-02 08:51:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_setup_inb_dbell [2019-10-02 08:51:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_inb_dbell [2019-10-02 08:51:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_release_inb_dbell [2019-10-02 08:51:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_outb_dbell [2019-10-02 08:51:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_release_outb_dbell [2019-10-02 08:51:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_inb_pwrite [2019-10-02 08:51:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_release_inb_pwrite [2019-10-02 08:51:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_map_inb_region [2019-10-02 08:51:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_unmap_inb_region [2019-10-02 08:51:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_get_physefb [2019-10-02 08:51:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_comptag [2019-10-02 08:51:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_set_port_lockout [2019-10-02 08:51:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_enable_rx_tx_port [2019-10-02 08:51:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_chk_dev_route [2019-10-02 08:51:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_chk_dev_access [2019-10-02 08:51:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_chk_dev_access [2019-10-02 08:51:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_input_status [2019-10-02 08:51:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_clr_err_stopped [2019-10-02 08:51:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_inb_pwrite_handler [2019-10-02 08:51:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_get_efb [2019-10-02 08:51:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_get_feature [2019-10-02 08:51:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_asm [2019-10-02 08:51:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_device [2019-10-02 08:51:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_std_route_add_entry [2019-10-02 08:51:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_std_route_get_entry [2019-10-02 08:51:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_std_route_clr_table [2019-10-02 08:51:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_lock_device [2019-10-02 08:51:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_unlock_device [2019-10-02 08:51:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_route_add_entry [2019-10-02 08:51:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_route_get_entry [2019-10-02 08:51:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_route_clr_table [2019-10-02 08:51:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_chan_filter [2019-10-02 08:51:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_mport_dma [2019-10-02 08:51:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_dma [2019-10-02 08:51:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_release_dma [2019-10-02 08:51:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_dma_prep_xfer [2019-10-02 08:51:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_dma_prep_slave_sg [2019-10-02 08:51:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_find_mport [2019-10-02 08:51:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_register_scan [2019-10-02 08:51:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_unregister_scan [2019-10-02 08:51:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_scan [2019-10-02 08:51:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_fixup_device [2019-10-02 08:51:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_init [2019-10-02 08:51:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure disc_work_handler [2019-10-02 08:51:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_init_mports [2019-10-02 08:51:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_hdid [2019-10-02 08:51:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_register_mport [2019-10-02 08:51:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-02 08:51:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-02 08:51:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-02 08:51:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-02 08:51:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-02 08:51:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-02 08:51:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-10-02 08:51:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-10-02 08:51:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-10-02 08:51:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-10-02 08:51:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-10-02 08:51:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_10 [2019-10-02 08:51:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_11 [2019-10-02 08:51:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_12 [2019-10-02 08:51:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_13 [2019-10-02 08:51:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_14 [2019-10-02 08:51:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_15 [2019-10-02 08:51:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_16 [2019-10-02 08:51:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_17 [2019-10-02 08:51:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_18 [2019-10-02 08:51:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_19 [2019-10-02 08:51:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_20 [2019-10-02 08:51:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_21 [2019-10-02 08:51:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_22 [2019-10-02 08:51:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_23 [2019-10-02 08:51:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_24 [2019-10-02 08:51:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __rio_local_read_config_8 [2019-10-02 08:51:23,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __rio_local_read_config_16 [2019-10-02 08:51:23,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __rio_local_read_config_32 [2019-10-02 08:51:23,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __rio_local_write_config_8 [2019-10-02 08:51:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __rio_local_write_config_16 [2019-10-02 08:51:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __rio_local_write_config_32 [2019-10-02 08:51:23,056 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_read_config_8 [2019-10-02 08:51:23,056 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_read_config_16 [2019-10-02 08:51:23,057 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_read_config_32 [2019-10-02 08:51:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_write_config_8 [2019-10-02 08:51:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_write_config_16 [2019-10-02 08:51:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_write_config_32 [2019-10-02 08:51:23,066 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_send_doorbell [2019-10-02 08:51:23,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_37 [2019-10-02 08:51:23,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_38 [2019-10-02 08:51:23,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_39 [2019-10-02 08:51:23,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_40 [2019-10-02 08:51:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_41 [2019-10-02 08:51:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_match_device [2019-10-02 08:51:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_dev_get [2019-10-02 08:51:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_dev_put [2019-10-02 08:51:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_device_probe [2019-10-02 08:51:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_device_remove [2019-10-02 08:51:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_register_driver [2019-10-02 08:51:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_unregister_driver [2019-10-02 08:51:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_attach_device [2019-10-02 08:51:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_match_bus [2019-10-02 08:51:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_uevent [2019-10-02 08:51:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_bus_init [2019-10-02 08:51:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bus_type_19 [2019-10-02 08:51:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bus_type_18 [2019-10-02 08:51:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 08:51:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_51 [2019-10-02 08:51:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_52 [2019-10-02 08:51:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_53 [2019-10-02 08:51:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_54 [2019-10-02 08:51:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_55 [2019-10-02 08:51:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2019-10-02 08:51:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_read_config_16 [2019-10-02 08:51:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_write_config_16 [2019-10-02 08:51:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_read_config_8 [2019-10-02 08:51:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_write_config_8 [2019-10-02 08:51:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure did_show [2019-10-02 08:51:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_show [2019-10-02 08:51:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure device_rev_show [2019-10-02 08:51:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure asm_did_show [2019-10-02 08:51:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure asm_vid_show [2019-10-02 08:51:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure asm_rev_show [2019-10-02 08:51:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure destid_show [2019-10-02 08:51:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure hopcount_show [2019-10-02 08:51:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure routes_show [2019-10-02 08:51:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure lprev_show [2019-10-02 08:51:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure lnext_show [2019-10-02 08:51:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure modalias_show [2019-10-02 08:51:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_read_config [2019-10-02 08:51:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_write_config [2019-10-02 08:51:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_create_sysfs_dev_files [2019-10-02 08:51:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_remove_sysfs_dev_files [2019-10-02 08:51:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_scan_store [2019-10-02 08:51:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure port_destid_show [2019-10-02 08:51:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_size_show [2019-10-02 08:51:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bin_attribute_5 [2019-10-02 08:51:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_11 [2019-10-02 08:51:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2019-10-02 08:51:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_17 [2019-10-02 08:51:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_2 [2019-10-02 08:51:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_16 [2019-10-02 08:51:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_13 [2019-10-02 08:51:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2019-10-02 08:51:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2019-10-02 08:51:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_9 [2019-10-02 08:51:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_12 [2019-10-02 08:51:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_14 [2019-10-02 08:51:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_15 [2019-10-02 08:51:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_8 [2019-10-02 08:51:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_4 [2019-10-02 08:51:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_10 [2019-10-02 08:51:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_5 [2019-10-02 08:51:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_65 [2019-10-02 08:51:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_66 [2019-10-02 08:51:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_67 [2019-10-02 08:51:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_68 [2019-10-02 08:51:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_69 [2019-10-02 08:51:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 08:51:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 08:51:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-02 08:51:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-02 08:51:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-02 08:51:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-02 08:51:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-02 08:51:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-02 08:51:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-02 08:51:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-02 08:51:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 08:51:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2019-10-02 08:51:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_register [2019-10-02 08:51:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-02 08:51:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_request_channel [2019-10-02 08:51:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-02 08:51:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-02 08:51:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-02 08:51:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-02 08:51:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-02 08:51:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-02 08:51:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-02 08:51:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-02 08:51:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure add_uevent_var [2019-10-02 08:51:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_register [2019-10-02 08:51:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-02 08:51:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2019-10-02 08:51:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2019-10-02 08:51:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-02 08:51:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2019-10-02 08:51:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2019-10-02 08:51:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_bin_file [2019-10-02 08:51:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-10-02 08:51:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure device_register [2019-10-02 08:51:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_bin_file [2019-10-02 08:51:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-10-02 08:51:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2019-10-02 08:51:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_register [2019-10-02 08:51:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2019-10-02 08:51:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-02 08:51:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2019-10-02 08:51:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoll [2019-10-02 08:51:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 08:51:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_exit [2019-10-02 08:51:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_5 [2019-10-02 08:51:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2019-10-02 08:51:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-02 08:51:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-02 08:51:23,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-02 08:51:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-02 08:51:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 08:51:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-10-02 08:51:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-02 08:51:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-02 08:51:23,097 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-10-02 08:51:23,097 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2019-10-02 08:51:23,097 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-02 08:51:23,097 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 08:51:23,098 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 08:51:23,098 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 08:51:23,098 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 08:51:23,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 08:51:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 08:51:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-02 08:51:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 08:51:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-02 08:51:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-02 08:51:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-02 08:51:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 08:51:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-02 08:51:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-02 08:51:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 08:51:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-02 08:51:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-02 08:51:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-02 08:51:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 08:51:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_zero [2019-10-02 08:51:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 08:51:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2019-10-02 08:51:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-02 08:51:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-02 08:51:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-02 08:51:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-02 08:51:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-02 08:51:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 08:51:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-02 08:51:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-02 08:51:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-02 08:51:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-02 08:51:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-02 08:51:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-02 08:51:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2019-10-02 08:51:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2019-10-02 08:51:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_22 [2019-10-02 08:51:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_24 [2019-10-02 08:51:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-02 08:51:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-10-02 08:51:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-10-02 08:51:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-02 08:51:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-10-02 08:51:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-10-02 08:51:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-02 08:51:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-10-02 08:51:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_23 [2019-10-02 08:51:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-02 08:51:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2019-10-02 08:51:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-10-02 08:51:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-02 08:51:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_10 [2019-10-02 08:51:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_12 [2019-10-02 08:51:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_14 [2019-10-02 08:51:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_16 [2019-10-02 08:51:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_18 [2019-10-02 08:51:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_20 [2019-10-02 08:51:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_11 [2019-10-02 08:51:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_13 [2019-10-02 08:51:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_15 [2019-10-02 08:51:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_17 [2019-10-02 08:51:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_19 [2019-10-02 08:51:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_21 [2019-10-02 08:51:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-02 08:51:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-02 08:51:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 08:51:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 08:51:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 08:51:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 08:51:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2019-10-02 08:51:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-10-02 08:51:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 08:51:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 08:51:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 08:51:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 08:51:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 08:51:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 08:51:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 08:51:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 08:51:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 08:51:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 08:51:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-02 08:51:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-02 08:51:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 08:51:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 08:51:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 08:51:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 08:51:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-02 08:51:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-02 08:51:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-02 08:51:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-02 08:51:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-02 08:51:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-02 08:51:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-02 08:51:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-02 08:51:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2019-10-02 08:51:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure device_register [2019-10-02 08:51:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2019-10-02 08:51:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-02 08:51:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_prep_rio_sg [2019-10-02 08:51:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~$Pointer$ [2019-10-02 08:51:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_cap_set [2019-10-02 08:51:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_cap_zero [2019-10-02 08:51:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_request_channel [2019-10-02 08:51:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2019-10-02 08:51:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure rio_register_mport [2019-10-02 08:51:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure __rio_local_read_config_32 [2019-10-02 08:51:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure __rio_local_write_config_32 [2019-10-02 08:51:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_read_config_32 [2019-10-02 08:51:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_write_config_32 [2019-10-02 08:51:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure rio_local_read_config_32 [2019-10-02 08:51:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure rio_local_write_config_32 [2019-10-02 08:51:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure rio_read_config_32 [2019-10-02 08:51:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 08:51:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure rio_write_config_32 [2019-10-02 08:51:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure rio_init_mbox_res [2019-10-02 08:51:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 08:51:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure rio_init_dbell_res [2019-10-02 08:51:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_outb_mbox [2019-10-02 08:51:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure rio_release_outb_mbox [2019-10-02 08:51:23,122 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_inb_mbox [2019-10-02 08:51:23,122 INFO L130 BoogieDeclarations]: Found specification of procedure rio_release_inb_mbox [2019-10-02 08:51:23,122 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_inb_dbell [2019-10-02 08:51:23,122 INFO L130 BoogieDeclarations]: Found specification of procedure rio_release_inb_dbell [2019-10-02 08:51:23,123 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_outb_dbell [2019-10-02 08:51:23,123 INFO L130 BoogieDeclarations]: Found specification of procedure rio_release_outb_dbell [2019-10-02 08:51:23,123 INFO L130 BoogieDeclarations]: Found specification of procedure rio_map_inb_region [2019-10-02 08:51:23,123 INFO L130 BoogieDeclarations]: Found specification of procedure rio_unmap_inb_region [2019-10-02 08:51:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_inb_pwrite [2019-10-02 08:51:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure rio_release_inb_pwrite [2019-10-02 08:51:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure rio_inb_pwrite_handler [2019-10-02 08:51:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure rio_dev_get [2019-10-02 08:51:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure rio_dev_put [2019-10-02 08:51:23,125 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_dma [2019-10-02 08:51:23,125 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_mport_dma [2019-10-02 08:51:23,125 INFO L130 BoogieDeclarations]: Found specification of procedure rio_release_dma [2019-10-02 08:51:23,125 INFO L130 BoogieDeclarations]: Found specification of procedure rio_dma_prep_slave_sg [2019-10-02 08:51:23,125 INFO L130 BoogieDeclarations]: Found specification of procedure rio_dma_prep_xfer [2019-10-02 08:51:23,126 INFO L130 BoogieDeclarations]: Found specification of procedure rio_name [2019-10-02 08:51:23,126 INFO L130 BoogieDeclarations]: Found specification of procedure rio_local_get_device_id [2019-10-02 08:51:23,126 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_device [2019-10-02 08:51:23,126 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_asm [2019-10-02 08:51:23,126 INFO L130 BoogieDeclarations]: Found specification of procedure rio_init_mports [2019-10-02 08:51:23,127 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_get_feature [2019-10-02 08:51:23,127 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_get_physefb [2019-10-02 08:51:23,127 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_get_efb [2019-10-02 08:51:23,127 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_chk_dev_access [2019-10-02 08:51:23,127 INFO L130 BoogieDeclarations]: Found specification of procedure rio_create_sysfs_dev_files [2019-10-02 08:51:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure rio_lock_device [2019-10-02 08:51:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure rio_unlock_device [2019-10-02 08:51:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure rio_route_add_entry [2019-10-02 08:51:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure rio_route_get_entry [2019-10-02 08:51:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure rio_route_clr_table [2019-10-02 08:51:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure rio_set_port_lockout [2019-10-02 08:51:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_comptag [2019-10-02 08:51:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure rio_add_device [2019-10-02 08:51:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure rio_enable_rx_tx_port [2019-10-02 08:51:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure rio_register_scan [2019-10-02 08:51:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure rio_unregister_scan [2019-10-02 08:51:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure rio_find_mport [2019-10-02 08:51:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_scan [2019-10-02 08:51:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 08:51:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 08:51:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2019-10-02 08:51:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-02 08:51:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure rio_setup_inb_dbell [2019-10-02 08:51:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~~u64~0~X~~u32~0~X~~u32~0~TO~int [2019-10-02 08:51:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~VOID [2019-10-02 08:51:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure rio_chk_dev_route [2019-10-02 08:51:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure rio_chk_dev_access [2019-10-02 08:51:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_input_status [2019-10-02 08:51:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure rio_clr_err_stopped [2019-10-02 08:51:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-02 08:51:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2019-10-02 08:51:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure rio_std_route_add_entry [2019-10-02 08:51:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure rio_std_route_get_entry [2019-10-02 08:51:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure rio_std_route_clr_table [2019-10-02 08:51:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~u16~0~X~~u16~0~X~~u8~0~TO~int [2019-10-02 08:51:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~TO~int [2019-10-02 08:51:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~u16~0~TO~int [2019-10-02 08:51:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure rio_chan_filter [2019-10-02 08:51:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2019-10-02 08:51:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure rio_fixup_device [2019-10-02 08:51:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure rio_init [2019-10-02 08:51:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure disc_work_handler [2019-10-02 08:51:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_hdid [2019-10-02 08:51:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_37 [2019-10-02 08:51:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_39 [2019-10-02 08:51:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_38 [2019-10-02 08:51:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_41 [2019-10-02 08:51:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_40 [2019-10-02 08:51:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure __rio_local_read_config_8 [2019-10-02 08:51:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u32~0~X~int~X~$Pointer$~TO~int [2019-10-02 08:51:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure __rio_local_read_config_16 [2019-10-02 08:51:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure __rio_local_write_config_8 [2019-10-02 08:51:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u32~0~X~int~X~~u32~0~TO~int [2019-10-02 08:51:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure __rio_local_write_config_16 [2019-10-02 08:51:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_read_config_8 [2019-10-02 08:51:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u8~0~X~~u32~0~X~int~X~$Pointer$~TO~int [2019-10-02 08:51:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_read_config_16 [2019-10-02 08:51:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_write_config_8 [2019-10-02 08:51:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u8~0~X~~u32~0~X~int~X~~u32~0~TO~int [2019-10-02 08:51:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_write_config_16 [2019-10-02 08:51:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_send_doorbell [2019-10-02 08:51:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u16~0~TO~int [2019-10-02 08:51:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_51 [2019-10-02 08:51:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_53 [2019-10-02 08:51:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_52 [2019-10-02 08:51:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_55 [2019-10-02 08:51:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_54 [2019-10-02 08:51:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure add_uevent_var [2019-10-02 08:51:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bin_attribute_5 [2019-10-02 08:51:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bus_type_19 [2019-10-02 08:51:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bus_type_18 [2019-10-02 08:51:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure bus_register [2019-10-02 08:51:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2019-10-02 08:51:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2019-10-02 08:51:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure __class_register [2019-10-02 08:51:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2019-10-02 08:51:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2019-10-02 08:51:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-10-02 08:51:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure rio_attach_device [2019-10-02 08:51:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure rio_match_device [2019-10-02 08:51:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure rio_device_probe [2019-10-02 08:51:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-02 08:51:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure rio_device_remove [2019-10-02 08:51:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 08:51:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure rio_register_driver [2019-10-02 08:51:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure rio_unregister_driver [2019-10-02 08:51:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure rio_match_bus [2019-10-02 08:51:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure rio_uevent [2019-10-02 08:51:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure rio_bus_init [2019-10-02 08:51:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 08:51:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 08:51:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_exit [2019-10-02 08:51:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_11 [2019-10-02 08:51:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2019-10-02 08:51:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_17 [2019-10-02 08:51:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_2 [2019-10-02 08:51:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_16 [2019-10-02 08:51:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_13 [2019-10-02 08:51:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2019-10-02 08:51:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2019-10-02 08:51:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_9 [2019-10-02 08:51:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_12 [2019-10-02 08:51:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_14 [2019-10-02 08:51:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_15 [2019-10-02 08:51:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_8 [2019-10-02 08:51:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_4 [2019-10-02 08:51:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_10 [2019-10-02 08:51:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_5 [2019-10-02 08:51:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 08:51:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoll [2019-10-02 08:51:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2019-10-02 08:51:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-02 08:51:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_65 [2019-10-02 08:51:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_67 [2019-10-02 08:51:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_66 [2019-10-02 08:51:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_69 [2019-10-02 08:51:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_68 [2019-10-02 08:51:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-02 08:51:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-10-02 08:51:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-10-02 08:51:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_bin_file [2019-10-02 08:51:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_bin_file [2019-10-02 08:51:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure rio_read_config_16 [2019-10-02 08:51:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure rio_write_config_16 [2019-10-02 08:51:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure rio_read_config_8 [2019-10-02 08:51:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure rio_write_config_8 [2019-10-02 08:51:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure did_show [2019-10-02 08:51:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure vid_show [2019-10-02 08:51:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure device_rev_show [2019-10-02 08:51:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure asm_did_show [2019-10-02 08:51:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure asm_vid_show [2019-10-02 08:51:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure asm_rev_show [2019-10-02 08:51:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure destid_show [2019-10-02 08:51:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure hopcount_show [2019-10-02 08:51:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure routes_show [2019-10-02 08:51:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure lprev_show [2019-10-02 08:51:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure lnext_show [2019-10-02 08:51:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure modalias_show [2019-10-02 08:51:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure rio_read_config [2019-10-02 08:51:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure rio_write_config [2019-10-02 08:51:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure rio_remove_sysfs_dev_files [2019-10-02 08:51:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure bus_scan_store [2019-10-02 08:51:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure port_destid_show [2019-10-02 08:51:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure sys_size_show [2019-10-02 08:51:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_5 [2019-10-02 08:51:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2019-10-02 08:51:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 08:51:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 08:51:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-02 08:51:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-02 08:51:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-02 08:51:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-02 08:51:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-02 08:51:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-02 08:51:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 08:51:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-02 08:51:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 08:51:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 08:51:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 08:51:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 08:51:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 08:51:25,112 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 08:51:43,200 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-02 08:51:44,155 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 08:51:44,155 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-02 08:51:44,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 08:51:44 BoogieIcfgContainer [2019-10-02 08:51:44,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 08:51:44,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 08:51:44,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 08:51:44,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 08:51:44,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 08:51:18" (1/3) ... [2019-10-02 08:51:44,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e04a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 08:51:44, skipping insertion in model container [2019-10-02 08:51:44,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:51:22" (2/3) ... [2019-10-02 08:51:44,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e04a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 08:51:44, skipping insertion in model container [2019-10-02 08:51:44,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 08:51:44" (3/3) ... [2019-10-02 08:51:44,165 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i [2019-10-02 08:51:44,174 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 08:51:44,185 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 08:51:44,202 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 08:51:44,246 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 08:51:44,247 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 08:51:44,247 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 08:51:44,247 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 08:51:44,247 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 08:51:44,247 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 08:51:44,247 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 08:51:44,248 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 08:51:44,248 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 08:51:44,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2194 states. [2019-10-02 08:51:44,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-02 08:51:44,317 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:51:44,318 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:51:44,320 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:51:44,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:51:44,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1839843523, now seen corresponding path program 1 times [2019-10-02 08:51:44,327 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:51:44,328 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:51:44,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:51:44,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:51:44,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:51:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:51:45,847 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-02 08:51:45,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:51:45,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:51:45,854 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:51:45,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:51:45,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:51:45,872 INFO L87 Difference]: Start difference. First operand 2194 states. Second operand 3 states. [2019-10-02 08:51:49,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:51:49,952 INFO L93 Difference]: Finished difference Result 3634 states and 4809 transitions. [2019-10-02 08:51:49,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:51:49,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2019-10-02 08:51:49,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:51:50,012 INFO L225 Difference]: With dead ends: 3634 [2019-10-02 08:51:50,013 INFO L226 Difference]: Without dead ends: 2360 [2019-10-02 08:51:50,027 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 [2019-10-02 08:51:50,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2360 states. [2019-10-02 08:51:50,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2360 to 2357. [2019-10-02 08:51:50,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2357 states. [2019-10-02 08:51:50,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 2357 states and 3050 transitions. [2019-10-02 08:51:50,288 INFO L78 Accepts]: Start accepts. Automaton has 2357 states and 3050 transitions. Word has length 74 [2019-10-02 08:51:50,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:51:50,289 INFO L475 AbstractCegarLoop]: Abstraction has 2357 states and 3050 transitions. [2019-10-02 08:51:50,289 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:51:50,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2357 states and 3050 transitions. [2019-10-02 08:51:50,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-02 08:51:50,297 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:51:50,297 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:51:50,298 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:51:50,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:51:50,298 INFO L82 PathProgramCache]: Analyzing trace with hash 412461377, now seen corresponding path program 1 times [2019-10-02 08:51:50,298 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:51:50,299 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:51:50,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:51:50,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:51:50,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:51:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:51:50,985 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-02 08:51:50,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:51:50,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:51:50,987 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:51:50,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:51:50,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:51:50,988 INFO L87 Difference]: Start difference. First operand 2357 states and 3050 transitions. Second operand 3 states. [2019-10-02 08:51:51,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:51:51,164 INFO L93 Difference]: Finished difference Result 7022 states and 9205 transitions. [2019-10-02 08:51:51,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:51:51,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2019-10-02 08:51:51,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:51:51,194 INFO L225 Difference]: With dead ends: 7022 [2019-10-02 08:51:51,194 INFO L226 Difference]: Without dead ends: 4682 [2019-10-02 08:51:51,205 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:51:51,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4682 states. [2019-10-02 08:51:51,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4682 to 4678. [2019-10-02 08:51:51,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4678 states. [2019-10-02 08:51:51,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4678 states to 4678 states and 6112 transitions. [2019-10-02 08:51:51,427 INFO L78 Accepts]: Start accepts. Automaton has 4678 states and 6112 transitions. Word has length 85 [2019-10-02 08:51:51,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:51:51,428 INFO L475 AbstractCegarLoop]: Abstraction has 4678 states and 6112 transitions. [2019-10-02 08:51:51,428 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:51:51,428 INFO L276 IsEmpty]: Start isEmpty. Operand 4678 states and 6112 transitions. [2019-10-02 08:51:51,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-02 08:51:51,434 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:51:51,434 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:51:51,434 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:51:51,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:51:51,435 INFO L82 PathProgramCache]: Analyzing trace with hash -138454634, now seen corresponding path program 1 times [2019-10-02 08:51:51,435 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:51:51,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:51:51,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:51:51,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:51:51,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:51:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:51:52,487 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-02 08:51:52,488 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:51:52,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:51:52,488 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:51:52,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:51:52,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:51:52,489 INFO L87 Difference]: Start difference. First operand 4678 states and 6112 transitions. Second operand 3 states. [2019-10-02 08:51:54,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:51:54,900 INFO L93 Difference]: Finished difference Result 13872 states and 18093 transitions. [2019-10-02 08:51:54,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:51:54,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2019-10-02 08:51:54,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:51:54,998 INFO L225 Difference]: With dead ends: 13872 [2019-10-02 08:51:54,998 INFO L226 Difference]: Without dead ends: 9217 [2019-10-02 08:51:55,030 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 [2019-10-02 08:51:55,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9217 states. [2019-10-02 08:51:55,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9217 to 9204. [2019-10-02 08:51:55,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9204 states. [2019-10-02 08:51:55,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9204 states to 9204 states and 11992 transitions. [2019-10-02 08:51:55,620 INFO L78 Accepts]: Start accepts. Automaton has 9204 states and 11992 transitions. Word has length 112 [2019-10-02 08:51:55,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:51:55,621 INFO L475 AbstractCegarLoop]: Abstraction has 9204 states and 11992 transitions. [2019-10-02 08:51:55,621 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:51:55,621 INFO L276 IsEmpty]: Start isEmpty. Operand 9204 states and 11992 transitions. [2019-10-02 08:51:55,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-10-02 08:51:55,637 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:51:55,637 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:51:55,638 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:51:55,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:51:55,638 INFO L82 PathProgramCache]: Analyzing trace with hash -542839678, now seen corresponding path program 1 times [2019-10-02 08:51:55,639 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:51:55,639 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:51:55,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:51:55,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:51:55,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:51:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:51:56,595 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-02 08:51:56,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:51:56,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:51:56,597 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:51:56,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:51:56,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:51:56,598 INFO L87 Difference]: Start difference. First operand 9204 states and 11992 transitions. Second operand 3 states. [2019-10-02 08:51:59,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:51:59,926 INFO L93 Difference]: Finished difference Result 26832 states and 34889 transitions. [2019-10-02 08:51:59,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:51:59,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2019-10-02 08:51:59,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:52:00,087 INFO L225 Difference]: With dead ends: 26832 [2019-10-02 08:52:00,087 INFO L226 Difference]: Without dead ends: 17651 [2019-10-02 08:52:00,141 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 [2019-10-02 08:52:00,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17651 states. [2019-10-02 08:52:02,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17651 to 17636. [2019-10-02 08:52:02,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17636 states. [2019-10-02 08:52:02,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17636 states to 17636 states and 22902 transitions. [2019-10-02 08:52:02,224 INFO L78 Accepts]: Start accepts. Automaton has 17636 states and 22902 transitions. Word has length 124 [2019-10-02 08:52:02,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:52:02,225 INFO L475 AbstractCegarLoop]: Abstraction has 17636 states and 22902 transitions. [2019-10-02 08:52:02,225 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:52:02,225 INFO L276 IsEmpty]: Start isEmpty. Operand 17636 states and 22902 transitions. [2019-10-02 08:52:02,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-02 08:52:02,231 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:52:02,231 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:52:02,231 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:52:02,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:52:02,232 INFO L82 PathProgramCache]: Analyzing trace with hash 112741741, now seen corresponding path program 1 times [2019-10-02 08:52:02,232 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:52:02,232 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:52:02,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:02,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:52:02,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:52:02,950 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2019-10-02 08:52:02,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:52:02,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:52:02,952 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:52:02,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:52:02,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:52:02,953 INFO L87 Difference]: Start difference. First operand 17636 states and 22902 transitions. Second operand 3 states. [2019-10-02 08:52:06,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:52:06,025 INFO L93 Difference]: Finished difference Result 47642 states and 61803 transitions. [2019-10-02 08:52:06,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:52:06,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-02 08:52:06,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:52:06,185 INFO L225 Difference]: With dead ends: 47642 [2019-10-02 08:52:06,185 INFO L226 Difference]: Without dead ends: 30029 [2019-10-02 08:52:06,252 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 [2019-10-02 08:52:06,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30029 states. [2019-10-02 08:52:07,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30029 to 30016. [2019-10-02 08:52:07,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30016 states. [2019-10-02 08:52:07,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30016 states to 30016 states and 38900 transitions. [2019-10-02 08:52:07,827 INFO L78 Accepts]: Start accepts. Automaton has 30016 states and 38900 transitions. Word has length 160 [2019-10-02 08:52:07,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:52:07,828 INFO L475 AbstractCegarLoop]: Abstraction has 30016 states and 38900 transitions. [2019-10-02 08:52:07,828 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:52:07,829 INFO L276 IsEmpty]: Start isEmpty. Operand 30016 states and 38900 transitions. [2019-10-02 08:52:07,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-02 08:52:07,844 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:52:07,844 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 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] [2019-10-02 08:52:07,844 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:52:07,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:52:07,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1940835151, now seen corresponding path program 1 times [2019-10-02 08:52:07,845 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:52:07,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:52:07,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:07,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:52:07,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:52:08,555 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2019-10-02 08:52:08,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:52:08,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 08:52:08,556 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 08:52:08,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 08:52:08,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 08:52:08,563 INFO L87 Difference]: Start difference. First operand 30016 states and 38900 transitions. Second operand 6 states. [2019-10-02 08:52:13,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:52:13,443 INFO L93 Difference]: Finished difference Result 45971 states and 59552 transitions. [2019-10-02 08:52:13,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 08:52:13,444 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 193 [2019-10-02 08:52:13,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:52:13,528 INFO L225 Difference]: With dead ends: 45971 [2019-10-02 08:52:13,529 INFO L226 Difference]: Without dead ends: 15898 [2019-10-02 08:52:13,641 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-02 08:52:13,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15898 states. [2019-10-02 08:52:14,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15898 to 15872. [2019-10-02 08:52:14,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15872 states. [2019-10-02 08:52:14,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15872 states to 15872 states and 20526 transitions. [2019-10-02 08:52:14,425 INFO L78 Accepts]: Start accepts. Automaton has 15872 states and 20526 transitions. Word has length 193 [2019-10-02 08:52:14,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:52:14,427 INFO L475 AbstractCegarLoop]: Abstraction has 15872 states and 20526 transitions. [2019-10-02 08:52:14,427 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 08:52:14,428 INFO L276 IsEmpty]: Start isEmpty. Operand 15872 states and 20526 transitions. [2019-10-02 08:52:14,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-10-02 08:52:14,458 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:52:14,459 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 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] [2019-10-02 08:52:14,459 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:52:14,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:52:14,460 INFO L82 PathProgramCache]: Analyzing trace with hash -928080598, now seen corresponding path program 1 times [2019-10-02 08:52:14,460 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:52:14,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:52:14,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:14,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:52:14,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:52:17,010 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2019-10-02 08:52:17,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:52:17,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:52:17,011 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:52:17,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:52:17,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:52:17,012 INFO L87 Difference]: Start difference. First operand 15872 states and 20526 transitions. Second operand 3 states. [2019-10-02 08:52:22,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:52:22,496 INFO L93 Difference]: Finished difference Result 38604 states and 49959 transitions. [2019-10-02 08:52:22,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:52:22,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-10-02 08:52:22,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:52:22,581 INFO L225 Difference]: With dead ends: 38604 [2019-10-02 08:52:22,581 INFO L226 Difference]: Without dead ends: 23330 [2019-10-02 08:52:22,619 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 [2019-10-02 08:52:22,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23330 states. [2019-10-02 08:52:23,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23330 to 23314. [2019-10-02 08:52:23,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23314 states. [2019-10-02 08:52:23,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23314 states to 23314 states and 30137 transitions. [2019-10-02 08:52:23,335 INFO L78 Accepts]: Start accepts. Automaton has 23314 states and 30137 transitions. Word has length 199 [2019-10-02 08:52:23,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:52:23,336 INFO L475 AbstractCegarLoop]: Abstraction has 23314 states and 30137 transitions. [2019-10-02 08:52:23,336 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:52:23,336 INFO L276 IsEmpty]: Start isEmpty. Operand 23314 states and 30137 transitions. [2019-10-02 08:52:23,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-10-02 08:52:23,356 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:52:23,358 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 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] [2019-10-02 08:52:23,358 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:52:23,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:52:23,359 INFO L82 PathProgramCache]: Analyzing trace with hash -259558890, now seen corresponding path program 1 times [2019-10-02 08:52:23,359 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:52:23,359 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:52:23,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:23,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:52:23,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:52:24,031 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2019-10-02 08:52:24,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:52:24,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:52:24,033 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:52:24,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:52:24,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:52:24,033 INFO L87 Difference]: Start difference. First operand 23314 states and 30137 transitions. Second operand 3 states. [2019-10-02 08:52:29,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:52:29,082 INFO L93 Difference]: Finished difference Result 56922 states and 73648 transitions. [2019-10-02 08:52:29,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:52:29,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2019-10-02 08:52:29,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:52:29,204 INFO L225 Difference]: With dead ends: 56922 [2019-10-02 08:52:29,204 INFO L226 Difference]: Without dead ends: 34206 [2019-10-02 08:52:29,263 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 [2019-10-02 08:52:29,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34206 states. [2019-10-02 08:52:30,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34206 to 34180. [2019-10-02 08:52:30,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34180 states. [2019-10-02 08:52:30,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34180 states to 34180 states and 44177 transitions. [2019-10-02 08:52:30,307 INFO L78 Accepts]: Start accepts. Automaton has 34180 states and 44177 transitions. Word has length 211 [2019-10-02 08:52:30,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:52:30,308 INFO L475 AbstractCegarLoop]: Abstraction has 34180 states and 44177 transitions. [2019-10-02 08:52:30,308 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:52:30,309 INFO L276 IsEmpty]: Start isEmpty. Operand 34180 states and 44177 transitions. [2019-10-02 08:52:30,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-10-02 08:52:30,328 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:52:30,328 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1] [2019-10-02 08:52:30,329 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:52:30,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:52:30,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1584197878, now seen corresponding path program 1 times [2019-10-02 08:52:30,329 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:52:30,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:52:30,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:30,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:52:30,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:52:31,904 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-10-02 08:52:31,904 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:52:31,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 08:52:31,905 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 08:52:31,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 08:52:31,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 08:52:31,906 INFO L87 Difference]: Start difference. First operand 34180 states and 44177 transitions. Second operand 6 states. [2019-10-02 08:52:36,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:52:36,991 INFO L93 Difference]: Finished difference Result 79476 states and 102749 transitions. [2019-10-02 08:52:36,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 08:52:36,991 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 218 [2019-10-02 08:52:36,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:52:37,157 INFO L225 Difference]: With dead ends: 79476 [2019-10-02 08:52:37,157 INFO L226 Difference]: Without dead ends: 45894 [2019-10-02 08:52:37,236 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-02 08:52:37,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45894 states. [2019-10-02 08:52:38,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45894 to 34272. [2019-10-02 08:52:38,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34272 states. [2019-10-02 08:52:38,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34272 states to 34272 states and 44285 transitions. [2019-10-02 08:52:38,977 INFO L78 Accepts]: Start accepts. Automaton has 34272 states and 44285 transitions. Word has length 218 [2019-10-02 08:52:38,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:52:38,980 INFO L475 AbstractCegarLoop]: Abstraction has 34272 states and 44285 transitions. [2019-10-02 08:52:38,980 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 08:52:38,980 INFO L276 IsEmpty]: Start isEmpty. Operand 34272 states and 44285 transitions. [2019-10-02 08:52:39,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-10-02 08:52:39,006 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:52:39,006 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 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] [2019-10-02 08:52:39,007 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:52:39,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:52:39,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1552062721, now seen corresponding path program 1 times [2019-10-02 08:52:39,008 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:52:39,008 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:52:39,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:39,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:52:39,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:52:40,374 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-10-02 08:52:40,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:52:40,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:52:40,375 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:52:40,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:52:40,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:52:40,376 INFO L87 Difference]: Start difference. First operand 34272 states and 44285 transitions. Second operand 3 states. [2019-10-02 08:52:41,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:52:41,020 INFO L93 Difference]: Finished difference Result 63588 states and 82161 transitions. [2019-10-02 08:52:41,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:52:41,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 247 [2019-10-02 08:52:41,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:52:41,117 INFO L225 Difference]: With dead ends: 63588 [2019-10-02 08:52:41,117 INFO L226 Difference]: Without dead ends: 29914 [2019-10-02 08:52:41,192 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 [2019-10-02 08:52:41,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29914 states. [2019-10-02 08:52:42,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29914 to 29914. [2019-10-02 08:52:42,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29914 states. [2019-10-02 08:52:42,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29914 states to 29914 states and 38552 transitions. [2019-10-02 08:52:42,499 INFO L78 Accepts]: Start accepts. Automaton has 29914 states and 38552 transitions. Word has length 247 [2019-10-02 08:52:42,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:52:42,499 INFO L475 AbstractCegarLoop]: Abstraction has 29914 states and 38552 transitions. [2019-10-02 08:52:42,500 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:52:42,500 INFO L276 IsEmpty]: Start isEmpty. Operand 29914 states and 38552 transitions. [2019-10-02 08:52:42,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-10-02 08:52:42,525 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:52:42,525 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 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] [2019-10-02 08:52:42,525 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:52:42,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:52:42,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1985241600, now seen corresponding path program 1 times [2019-10-02 08:52:42,526 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:52:42,526 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:52:42,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:42,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:52:42,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:52:43,486 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2019-10-02 08:52:43,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:52:43,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 08:52:43,488 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 08:52:43,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 08:52:43,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 08:52:43,492 INFO L87 Difference]: Start difference. First operand 29914 states and 38552 transitions. Second operand 6 states. [2019-10-02 08:52:48,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:52:48,491 INFO L93 Difference]: Finished difference Result 69542 states and 89544 transitions. [2019-10-02 08:52:48,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 08:52:48,492 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 242 [2019-10-02 08:52:48,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:52:48,626 INFO L225 Difference]: With dead ends: 69542 [2019-10-02 08:52:48,626 INFO L226 Difference]: Without dead ends: 40226 [2019-10-02 08:52:48,692 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-02 08:52:48,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40226 states. [2019-10-02 08:52:49,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40226 to 29970. [2019-10-02 08:52:49,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29970 states. [2019-10-02 08:52:49,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29970 states to 29970 states and 38616 transitions. [2019-10-02 08:52:49,898 INFO L78 Accepts]: Start accepts. Automaton has 29970 states and 38616 transitions. Word has length 242 [2019-10-02 08:52:49,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:52:49,898 INFO L475 AbstractCegarLoop]: Abstraction has 29970 states and 38616 transitions. [2019-10-02 08:52:49,899 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 08:52:49,899 INFO L276 IsEmpty]: Start isEmpty. Operand 29970 states and 38616 transitions. [2019-10-02 08:52:49,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-10-02 08:52:49,920 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:52:49,921 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:52:49,921 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:52:49,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:52:49,921 INFO L82 PathProgramCache]: Analyzing trace with hash 747541322, now seen corresponding path program 1 times [2019-10-02 08:52:49,921 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:52:49,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:52:49,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:49,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:52:49,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:52:50,472 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-10-02 08:52:50,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:52:50,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:52:50,473 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:52:50,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:52:50,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:52:50,474 INFO L87 Difference]: Start difference. First operand 29970 states and 38616 transitions. Second operand 3 states. [2019-10-02 08:52:50,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:52:50,918 INFO L93 Difference]: Finished difference Result 59374 states and 76709 transitions. [2019-10-02 08:52:50,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:52:50,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2019-10-02 08:52:50,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:52:50,984 INFO L225 Difference]: With dead ends: 59374 [2019-10-02 08:52:50,984 INFO L226 Difference]: Without dead ends: 30002 [2019-10-02 08:52:51,029 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 [2019-10-02 08:52:51,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30002 states. [2019-10-02 08:52:51,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30002 to 30002. [2019-10-02 08:52:51,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30002 states. [2019-10-02 08:52:52,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30002 states to 30002 states and 38648 transitions. [2019-10-02 08:52:52,050 INFO L78 Accepts]: Start accepts. Automaton has 30002 states and 38648 transitions. Word has length 249 [2019-10-02 08:52:52,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:52:52,050 INFO L475 AbstractCegarLoop]: Abstraction has 30002 states and 38648 transitions. [2019-10-02 08:52:52,050 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:52:52,050 INFO L276 IsEmpty]: Start isEmpty. Operand 30002 states and 38648 transitions. [2019-10-02 08:52:52,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-10-02 08:52:52,073 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:52:52,074 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:52:52,074 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:52:52,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:52:52,074 INFO L82 PathProgramCache]: Analyzing trace with hash -23192244, now seen corresponding path program 1 times [2019-10-02 08:52:52,074 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:52:52,075 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:52:52,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:52,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:52:52,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:52:52,882 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-10-02 08:52:52,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:52:52,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-02 08:52:52,884 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 08:52:52,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 08:52:52,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 08:52:52,885 INFO L87 Difference]: Start difference. First operand 30002 states and 38648 transitions. Second operand 8 states. [2019-10-02 08:52:53,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:52:53,445 INFO L93 Difference]: Finished difference Result 59670 states and 76889 transitions. [2019-10-02 08:52:53,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 08:52:53,446 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 249 [2019-10-02 08:52:53,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:52:53,547 INFO L225 Difference]: With dead ends: 59670 [2019-10-02 08:52:53,547 INFO L226 Difference]: Without dead ends: 30266 [2019-10-02 08:52:53,591 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-02 08:52:53,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30266 states. [2019-10-02 08:52:54,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30266 to 30162. [2019-10-02 08:52:54,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30162 states. [2019-10-02 08:52:54,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30162 states to 30162 states and 38840 transitions. [2019-10-02 08:52:54,553 INFO L78 Accepts]: Start accepts. Automaton has 30162 states and 38840 transitions. Word has length 249 [2019-10-02 08:52:54,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:52:54,554 INFO L475 AbstractCegarLoop]: Abstraction has 30162 states and 38840 transitions. [2019-10-02 08:52:54,554 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 08:52:54,554 INFO L276 IsEmpty]: Start isEmpty. Operand 30162 states and 38840 transitions. [2019-10-02 08:52:54,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-10-02 08:52:54,567 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:52:54,567 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 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] [2019-10-02 08:52:54,567 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:52:54,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:52:54,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1968490614, now seen corresponding path program 1 times [2019-10-02 08:52:54,568 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:52:54,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:52:54,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:54,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:52:54,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:52:55,694 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-10-02 08:52:55,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:52:55,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 08:52:55,695 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 08:52:55,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 08:52:55,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 08:52:55,696 INFO L87 Difference]: Start difference. First operand 30162 states and 38840 transitions. Second operand 6 states. [2019-10-02 08:52:56,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:52:56,370 INFO L93 Difference]: Finished difference Result 60523 states and 78105 transitions. [2019-10-02 08:52:56,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 08:52:56,371 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 257 [2019-10-02 08:52:56,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:52:56,446 INFO L225 Difference]: With dead ends: 60523 [2019-10-02 08:52:56,446 INFO L226 Difference]: Without dead ends: 30199 [2019-10-02 08:52:56,491 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-02 08:52:56,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30199 states. [2019-10-02 08:52:57,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30199 to 30199. [2019-10-02 08:52:57,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30199 states. [2019-10-02 08:52:57,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30199 states to 30199 states and 38877 transitions. [2019-10-02 08:52:57,456 INFO L78 Accepts]: Start accepts. Automaton has 30199 states and 38877 transitions. Word has length 257 [2019-10-02 08:52:57,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:52:57,457 INFO L475 AbstractCegarLoop]: Abstraction has 30199 states and 38877 transitions. [2019-10-02 08:52:57,457 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 08:52:57,457 INFO L276 IsEmpty]: Start isEmpty. Operand 30199 states and 38877 transitions. [2019-10-02 08:52:57,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-10-02 08:52:57,466 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:52:57,466 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 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] [2019-10-02 08:52:57,466 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:52:57,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:52:57,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1575823861, now seen corresponding path program 1 times [2019-10-02 08:52:57,467 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:52:57,467 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:52:57,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:57,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:52:57,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:52:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:52:58,556 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-10-02 08:52:58,556 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 08:52:58,556 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 08:52:59,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:53:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-10-02 08:53:14,143 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 08:53:14,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-10-02 08:53:14,144 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 08:53:14,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 08:53:14,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-02 08:53:14,145 INFO L87 Difference]: Start difference. First operand 30199 states and 38877 transitions. Second operand 7 states. [2019-10-02 08:53:15,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:53:15,011 INFO L93 Difference]: Finished difference Result 60597 states and 78179 transitions. [2019-10-02 08:53:15,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 08:53:15,012 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 258 [2019-10-02 08:53:15,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:53:15,100 INFO L225 Difference]: With dead ends: 60597 [2019-10-02 08:53:15,100 INFO L226 Difference]: Without dead ends: 30236 [2019-10-02 08:53:15,151 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-10-02 08:53:15,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30236 states. [2019-10-02 08:53:15,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30236 to 30236. [2019-10-02 08:53:15,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30236 states. [2019-10-02 08:53:15,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30236 states to 30236 states and 38914 transitions. [2019-10-02 08:53:15,779 INFO L78 Accepts]: Start accepts. Automaton has 30236 states and 38914 transitions. Word has length 258 [2019-10-02 08:53:15,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:53:15,780 INFO L475 AbstractCegarLoop]: Abstraction has 30236 states and 38914 transitions. [2019-10-02 08:53:15,780 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 08:53:15,780 INFO L276 IsEmpty]: Start isEmpty. Operand 30236 states and 38914 transitions. [2019-10-02 08:53:15,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-10-02 08:53:15,793 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:53:15,793 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:53:15,794 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:53:15,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:53:15,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1989839184, now seen corresponding path program 1 times [2019-10-02 08:53:15,794 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:53:15,794 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:53:15,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:53:15,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:53:15,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:53:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:53:16,623 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-10-02 08:53:16,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:53:16,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-02 08:53:16,627 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 08:53:16,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 08:53:16,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 08:53:16,627 INFO L87 Difference]: Start difference. First operand 30236 states and 38914 transitions. Second operand 8 states. [2019-10-02 08:53:17,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:53:17,396 INFO L93 Difference]: Finished difference Result 60136 states and 77419 transitions. [2019-10-02 08:53:17,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 08:53:17,397 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 251 [2019-10-02 08:53:17,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:53:17,496 INFO L225 Difference]: With dead ends: 60136 [2019-10-02 08:53:17,496 INFO L226 Difference]: Without dead ends: 30500 [2019-10-02 08:53:17,555 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-02 08:53:17,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30500 states. [2019-10-02 08:53:18,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30500 to 30236. [2019-10-02 08:53:18,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30236 states. [2019-10-02 08:53:18,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30236 states to 30236 states and 38914 transitions. [2019-10-02 08:53:18,542 INFO L78 Accepts]: Start accepts. Automaton has 30236 states and 38914 transitions. Word has length 251 [2019-10-02 08:53:18,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:53:18,543 INFO L475 AbstractCegarLoop]: Abstraction has 30236 states and 38914 transitions. [2019-10-02 08:53:18,543 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 08:53:18,543 INFO L276 IsEmpty]: Start isEmpty. Operand 30236 states and 38914 transitions. [2019-10-02 08:53:18,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-10-02 08:53:18,555 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:53:18,556 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:53:18,556 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:53:18,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:53:18,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1506163857, now seen corresponding path program 1 times [2019-10-02 08:53:18,556 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:53:18,556 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:53:18,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:53:18,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:53:18,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:53:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:53:19,383 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-10-02 08:53:19,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:53:19,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 08:53:19,384 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 08:53:19,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 08:53:19,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 08:53:19,385 INFO L87 Difference]: Start difference. First operand 30236 states and 38914 transitions. Second operand 5 states. [2019-10-02 08:53:20,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:53:20,209 INFO L93 Difference]: Finished difference Result 60116 states and 77403 transitions. [2019-10-02 08:53:20,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 08:53:20,210 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 251 [2019-10-02 08:53:20,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:53:20,300 INFO L225 Difference]: With dead ends: 60116 [2019-10-02 08:53:20,300 INFO L226 Difference]: Without dead ends: 30480 [2019-10-02 08:53:20,352 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 08:53:20,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30480 states. [2019-10-02 08:53:20,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30480 to 30356. [2019-10-02 08:53:20,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30356 states. [2019-10-02 08:53:20,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30356 states to 30356 states and 39074 transitions. [2019-10-02 08:53:20,973 INFO L78 Accepts]: Start accepts. Automaton has 30356 states and 39074 transitions. Word has length 251 [2019-10-02 08:53:20,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:53:20,973 INFO L475 AbstractCegarLoop]: Abstraction has 30356 states and 39074 transitions. [2019-10-02 08:53:20,973 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 08:53:20,974 INFO L276 IsEmpty]: Start isEmpty. Operand 30356 states and 39074 transitions. [2019-10-02 08:53:20,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-10-02 08:53:20,981 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:53:20,981 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 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] [2019-10-02 08:53:20,981 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:53:20,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:53:20,981 INFO L82 PathProgramCache]: Analyzing trace with hash -219577110, now seen corresponding path program 2 times [2019-10-02 08:53:20,981 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:53:20,982 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:53:20,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:53:20,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:53:20,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:53:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:53:23,639 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 3 [2019-10-02 08:53:23,714 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-10-02 08:53:23,714 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 08:53:23,714 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 08:53:24,510 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 08:53:50,970 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 08:53:50,970 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-10-02 08:53:51,788 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 08:53:51,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-10-02 08:53:51,789 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 08:53:51,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 08:53:51,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-02 08:53:51,789 INFO L87 Difference]: Start difference. First operand 30356 states and 39074 transitions. Second operand 8 states. [2019-10-02 08:53:52,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:53:52,351 INFO L93 Difference]: Finished difference Result 60911 states and 78573 transitions. [2019-10-02 08:53:52,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 08:53:52,352 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 259 [2019-10-02 08:53:52,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:53:52,416 INFO L225 Difference]: With dead ends: 60911 [2019-10-02 08:53:52,417 INFO L226 Difference]: Without dead ends: 30393 [2019-10-02 08:53:52,462 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-10-02 08:53:52,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30393 states. [2019-10-02 08:53:53,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30393 to 30393. [2019-10-02 08:53:53,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30393 states. [2019-10-02 08:53:53,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30393 states to 30393 states and 39111 transitions. [2019-10-02 08:53:53,090 INFO L78 Accepts]: Start accepts. Automaton has 30393 states and 39111 transitions. Word has length 259 [2019-10-02 08:53:53,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:53:53,091 INFO L475 AbstractCegarLoop]: Abstraction has 30393 states and 39111 transitions. [2019-10-02 08:53:53,091 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 08:53:53,091 INFO L276 IsEmpty]: Start isEmpty. Operand 30393 states and 39111 transitions. [2019-10-02 08:53:53,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-10-02 08:53:53,099 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:53:53,100 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 3, 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] [2019-10-02 08:53:53,100 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:53:53,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:53:53,100 INFO L82 PathProgramCache]: Analyzing trace with hash -42432363, now seen corresponding path program 3 times [2019-10-02 08:53:53,100 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:53:53,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:53:53,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:53:53,116 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 08:53:53,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:53:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:53:54,473 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-10-02 08:53:54,474 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 08:53:54,474 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 08:53:55,251 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 08:55:59,049 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2019-10-02 08:55:59,050 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-10-02 08:56:00,504 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 08:56:00,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-10-02 08:56:00,505 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 08:56:00,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 08:56:00,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-02 08:56:00,506 INFO L87 Difference]: Start difference. First operand 30393 states and 39111 transitions. Second operand 9 states. [2019-10-02 08:56:01,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:56:01,103 INFO L93 Difference]: Finished difference Result 60985 states and 78647 transitions. [2019-10-02 08:56:01,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 08:56:01,104 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 260 [2019-10-02 08:56:01,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:56:01,168 INFO L225 Difference]: With dead ends: 60985 [2019-10-02 08:56:01,168 INFO L226 Difference]: Without dead ends: 30430 [2019-10-02 08:56:01,214 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-10-02 08:56:01,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30430 states. [2019-10-02 08:56:01,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30430 to 30430. [2019-10-02 08:56:01,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30430 states. [2019-10-02 08:56:01,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30430 states to 30430 states and 39148 transitions. [2019-10-02 08:56:01,822 INFO L78 Accepts]: Start accepts. Automaton has 30430 states and 39148 transitions. Word has length 260 [2019-10-02 08:56:01,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:56:01,823 INFO L475 AbstractCegarLoop]: Abstraction has 30430 states and 39148 transitions. [2019-10-02 08:56:01,823 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 08:56:01,823 INFO L276 IsEmpty]: Start isEmpty. Operand 30430 states and 39148 transitions. [2019-10-02 08:56:01,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-10-02 08:56:01,830 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:56:01,831 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 4, 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] [2019-10-02 08:56:01,831 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:56:01,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:56:01,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1154087498, now seen corresponding path program 4 times [2019-10-02 08:56:01,832 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:56:01,832 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:56:01,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:56:01,844 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 08:56:01,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:56:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:56:03,220 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-10-02 08:56:03,221 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 08:56:03,221 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 08:56:03,986 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-10-02 08:56:18,430 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-02 08:56:18,430 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-10-02 08:56:19,583 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 08:56:19,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2019-10-02 08:56:19,584 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-02 08:56:19,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-02 08:56:19,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-02 08:56:19,585 INFO L87 Difference]: Start difference. First operand 30430 states and 39148 transitions. Second operand 10 states. [2019-10-02 08:56:20,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:56:20,250 INFO L93 Difference]: Finished difference Result 61059 states and 78721 transitions. [2019-10-02 08:56:20,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-02 08:56:20,251 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 261 [2019-10-02 08:56:20,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:56:20,315 INFO L225 Difference]: With dead ends: 61059 [2019-10-02 08:56:20,315 INFO L226 Difference]: Without dead ends: 30467 [2019-10-02 08:56:20,364 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-10-02 08:56:20,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30467 states. [2019-10-02 08:56:20,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30467 to 30467. [2019-10-02 08:56:20,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30467 states. [2019-10-02 08:56:20,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30467 states to 30467 states and 39185 transitions. [2019-10-02 08:56:21,001 INFO L78 Accepts]: Start accepts. Automaton has 30467 states and 39185 transitions. Word has length 261 [2019-10-02 08:56:21,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:56:21,002 INFO L475 AbstractCegarLoop]: Abstraction has 30467 states and 39185 transitions. [2019-10-02 08:56:21,002 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-02 08:56:21,002 INFO L276 IsEmpty]: Start isEmpty. Operand 30467 states and 39185 transitions. [2019-10-02 08:56:22,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2019-10-02 08:56:22,549 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:56:22,549 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 5, 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] [2019-10-02 08:56:22,549 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:56:22,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:56:22,550 INFO L82 PathProgramCache]: Analyzing trace with hash -408502475, now seen corresponding path program 5 times [2019-10-02 08:56:22,550 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:56:22,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:56:22,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:56:22,565 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 08:56:22,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:56:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:56:23,548 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-10-02 08:56:23,549 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 08:56:23,549 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 08:56:24,348 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-10-02 08:56:38,970 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2019-10-02 08:56:38,971 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-10-02 08:56:39,609 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 08:56:39,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2019-10-02 08:56:39,610 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 08:56:39,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 08:56:39,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-02 08:56:39,610 INFO L87 Difference]: Start difference. First operand 30467 states and 39185 transitions. Second operand 11 states. [2019-10-02 08:56:40,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:56:40,339 INFO L93 Difference]: Finished difference Result 61133 states and 78795 transitions. [2019-10-02 08:56:40,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 08:56:40,340 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 262 [2019-10-02 08:56:40,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:56:40,438 INFO L225 Difference]: With dead ends: 61133 [2019-10-02 08:56:40,438 INFO L226 Difference]: Without dead ends: 30504 [2019-10-02 08:56:40,499 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-10-02 08:56:40,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30504 states. [2019-10-02 08:56:41,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30504 to 30504. [2019-10-02 08:56:41,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30504 states. [2019-10-02 08:56:41,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30504 states to 30504 states and 39222 transitions. [2019-10-02 08:56:41,615 INFO L78 Accepts]: Start accepts. Automaton has 30504 states and 39222 transitions. Word has length 262 [2019-10-02 08:56:41,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:56:41,615 INFO L475 AbstractCegarLoop]: Abstraction has 30504 states and 39222 transitions. [2019-10-02 08:56:41,615 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 08:56:41,616 INFO L276 IsEmpty]: Start isEmpty. Operand 30504 states and 39222 transitions. [2019-10-02 08:56:41,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2019-10-02 08:56:41,624 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:56:41,624 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 6, 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] [2019-10-02 08:56:41,624 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:56:41,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:56:41,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1604151382, now seen corresponding path program 6 times [2019-10-02 08:56:41,625 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:56:41,625 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:56:41,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:56:41,638 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 08:56:41,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:56:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:56:42,735 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-10-02 08:56:42,735 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 08:56:42,735 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 08:56:43,544 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2019-10-02 08:58:46,959 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2019-10-02 08:58:46,959 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-10-02 08:58:47,761 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 08:58:47,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2019-10-02 08:58:47,761 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-02 08:58:47,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-02 08:58:47,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-10-02 08:58:47,762 INFO L87 Difference]: Start difference. First operand 30504 states and 39222 transitions. Second operand 12 states. [2019-10-02 08:58:48,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:58:48,525 INFO L93 Difference]: Finished difference Result 61207 states and 78869 transitions. [2019-10-02 08:58:48,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-02 08:58:48,525 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 263 [2019-10-02 08:58:48,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:58:48,590 INFO L225 Difference]: With dead ends: 61207 [2019-10-02 08:58:48,590 INFO L226 Difference]: Without dead ends: 30541 [2019-10-02 08:58:48,634 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2019-10-02 08:58:48,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30541 states. [2019-10-02 08:58:49,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30541 to 30541. [2019-10-02 08:58:49,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30541 states. [2019-10-02 08:58:49,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30541 states to 30541 states and 39259 transitions. [2019-10-02 08:58:49,626 INFO L78 Accepts]: Start accepts. Automaton has 30541 states and 39259 transitions. Word has length 263 [2019-10-02 08:58:49,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:58:49,627 INFO L475 AbstractCegarLoop]: Abstraction has 30541 states and 39259 transitions. [2019-10-02 08:58:49,627 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-02 08:58:49,627 INFO L276 IsEmpty]: Start isEmpty. Operand 30541 states and 39259 transitions. [2019-10-02 08:58:49,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-10-02 08:58:49,634 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:58:49,634 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 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] [2019-10-02 08:58:49,635 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:58:49,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:58:49,635 INFO L82 PathProgramCache]: Analyzing trace with hash -14561835, now seen corresponding path program 7 times [2019-10-02 08:58:49,635 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:58:49,635 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:58:49,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:58:49,646 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 08:58:49,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:58:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:58:50,523 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-10-02 08:58:50,523 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 08:58:50,523 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 08:58:51,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:59:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-10-02 08:59:06,228 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 08:59:06,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2019-10-02 08:59:06,229 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-02 08:59:06,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-02 08:59:06,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2019-10-02 08:59:06,230 INFO L87 Difference]: Start difference. First operand 30541 states and 39259 transitions. Second operand 13 states. [2019-10-02 08:59:06,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:59:06,991 INFO L93 Difference]: Finished difference Result 61281 states and 78943 transitions. [2019-10-02 08:59:06,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-02 08:59:06,992 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 264 [2019-10-02 08:59:06,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:59:07,060 INFO L225 Difference]: With dead ends: 61281 [2019-10-02 08:59:07,060 INFO L226 Difference]: Without dead ends: 30578 [2019-10-02 08:59:07,104 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2019-10-02 08:59:07,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30578 states. [2019-10-02 08:59:08,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30578 to 30578. [2019-10-02 08:59:08,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30578 states. [2019-10-02 08:59:08,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30578 states to 30578 states and 39296 transitions. [2019-10-02 08:59:08,092 INFO L78 Accepts]: Start accepts. Automaton has 30578 states and 39296 transitions. Word has length 264 [2019-10-02 08:59:08,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:59:08,092 INFO L475 AbstractCegarLoop]: Abstraction has 30578 states and 39296 transitions. [2019-10-02 08:59:08,092 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-02 08:59:08,092 INFO L276 IsEmpty]: Start isEmpty. Operand 30578 states and 39296 transitions. [2019-10-02 08:59:08,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-10-02 08:59:08,100 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:59:08,101 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 8, 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] [2019-10-02 08:59:08,101 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:59:08,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:59:08,101 INFO L82 PathProgramCache]: Analyzing trace with hash 2018073866, now seen corresponding path program 8 times [2019-10-02 08:59:08,101 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:59:08,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:59:08,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:59:08,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:59:08,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:59:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:59:09,259 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-10-02 08:59:09,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:59:09,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 08:59:09,262 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 08:59:09,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 08:59:09,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 08:59:09,263 INFO L87 Difference]: Start difference. First operand 30578 states and 39296 transitions. Second operand 7 states. [2019-10-02 08:59:09,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:59:09,946 INFO L93 Difference]: Finished difference Result 60776 states and 78175 transitions. [2019-10-02 08:59:09,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 08:59:09,947 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 265 [2019-10-02 08:59:09,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:59:10,014 INFO L225 Difference]: With dead ends: 60776 [2019-10-02 08:59:10,014 INFO L226 Difference]: Without dead ends: 30804 [2019-10-02 08:59:10,057 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 08:59:10,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30804 states. [2019-10-02 08:59:10,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30804 to 30651. [2019-10-02 08:59:10,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30651 states. [2019-10-02 08:59:10,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30651 states to 30651 states and 39365 transitions. [2019-10-02 08:59:10,683 INFO L78 Accepts]: Start accepts. Automaton has 30651 states and 39365 transitions. Word has length 265 [2019-10-02 08:59:10,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:59:10,683 INFO L475 AbstractCegarLoop]: Abstraction has 30651 states and 39365 transitions. [2019-10-02 08:59:10,683 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 08:59:10,683 INFO L276 IsEmpty]: Start isEmpty. Operand 30651 states and 39365 transitions. [2019-10-02 08:59:10,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-10-02 08:59:10,691 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:59:10,691 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 8, 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] [2019-10-02 08:59:10,692 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:59:10,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:59:10,692 INFO L82 PathProgramCache]: Analyzing trace with hash -2058038712, now seen corresponding path program 1 times [2019-10-02 08:59:10,692 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:59:10,692 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:59:10,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:59:10,705 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 08:59:10,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:59:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:59:11,238 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2019-10-02 08:59:11,238 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 08:59:11,239 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 08:59:12,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:59:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:59:16,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 10819 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-02 08:59:16,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 08:59:16,898 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-10-02 08:59:16,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 08:59:16,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-10-02 08:59:16,967 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 08:59:16,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 08:59:16,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-02 08:59:16,968 INFO L87 Difference]: Start difference. First operand 30651 states and 39365 transitions. Second operand 5 states. [2019-10-02 08:59:22,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:59:22,193 INFO L93 Difference]: Finished difference Result 60623 states and 77950 transitions. [2019-10-02 08:59:22,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 08:59:22,194 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 265 [2019-10-02 08:59:22,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:59:22,387 INFO L225 Difference]: With dead ends: 60623 [2019-10-02 08:59:22,388 INFO L226 Difference]: Without dead ends: 30578 [2019-10-02 08:59:22,475 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 266 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-02 08:59:22,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30578 states. [2019-10-02 08:59:24,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30578 to 30506. [2019-10-02 08:59:24,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30506 states. [2019-10-02 08:59:24,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30506 states to 30506 states and 39170 transitions. [2019-10-02 08:59:24,166 INFO L78 Accepts]: Start accepts. Automaton has 30506 states and 39170 transitions. Word has length 265 [2019-10-02 08:59:24,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:59:24,167 INFO L475 AbstractCegarLoop]: Abstraction has 30506 states and 39170 transitions. [2019-10-02 08:59:24,167 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 08:59:24,167 INFO L276 IsEmpty]: Start isEmpty. Operand 30506 states and 39170 transitions. [2019-10-02 08:59:24,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-10-02 08:59:24,179 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:59:24,179 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:59:24,179 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:59:24,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:59:24,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1831002953, now seen corresponding path program 1 times [2019-10-02 08:59:24,180 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:59:24,180 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:59:24,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:59:24,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:59:24,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:59:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:59:24,943 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-10-02 08:59:24,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:59:24,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:59:24,944 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:59:24,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:59:24,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:59:24,945 INFO L87 Difference]: Start difference. First operand 30506 states and 39170 transitions. Second operand 3 states. [2019-10-02 08:59:26,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:59:26,128 INFO L93 Difference]: Finished difference Result 60438 states and 77809 transitions. [2019-10-02 08:59:26,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:59:26,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 260 [2019-10-02 08:59:26,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:59:26,254 INFO L225 Difference]: With dead ends: 60438 [2019-10-02 08:59:26,255 INFO L226 Difference]: Without dead ends: 30538 [2019-10-02 08:59:26,321 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 [2019-10-02 08:59:26,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30538 states. [2019-10-02 08:59:27,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30538 to 30538. [2019-10-02 08:59:27,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30538 states. [2019-10-02 08:59:27,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30538 states to 30538 states and 39202 transitions. [2019-10-02 08:59:27,596 INFO L78 Accepts]: Start accepts. Automaton has 30538 states and 39202 transitions. Word has length 260 [2019-10-02 08:59:27,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:59:27,596 INFO L475 AbstractCegarLoop]: Abstraction has 30538 states and 39202 transitions. [2019-10-02 08:59:27,596 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:59:27,596 INFO L276 IsEmpty]: Start isEmpty. Operand 30538 states and 39202 transitions. [2019-10-02 08:59:27,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2019-10-02 08:59:27,613 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:59:27,613 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:59:27,613 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:59:27,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:59:27,614 INFO L82 PathProgramCache]: Analyzing trace with hash 2137351332, now seen corresponding path program 1 times [2019-10-02 08:59:27,614 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:59:27,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:59:27,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:59:27,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:59:27,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:59:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:59:28,155 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-10-02 08:59:28,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:59:28,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 08:59:28,156 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 08:59:28,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 08:59:28,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 08:59:28,157 INFO L87 Difference]: Start difference. First operand 30538 states and 39202 transitions. Second operand 4 states. [2019-10-02 08:59:29,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:59:29,079 INFO L93 Difference]: Finished difference Result 60918 states and 78521 transitions. [2019-10-02 08:59:29,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 08:59:29,080 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 262 [2019-10-02 08:59:29,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:59:29,184 INFO L225 Difference]: With dead ends: 60918 [2019-10-02 08:59:29,184 INFO L226 Difference]: Without dead ends: 30986 [2019-10-02 08:59:29,247 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-02 08:59:29,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30986 states. [2019-10-02 08:59:30,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30986 to 30602. [2019-10-02 08:59:30,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30602 states. [2019-10-02 08:59:30,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30602 states to 30602 states and 39266 transitions. [2019-10-02 08:59:30,216 INFO L78 Accepts]: Start accepts. Automaton has 30602 states and 39266 transitions. Word has length 262 [2019-10-02 08:59:30,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:59:30,216 INFO L475 AbstractCegarLoop]: Abstraction has 30602 states and 39266 transitions. [2019-10-02 08:59:30,216 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 08:59:30,217 INFO L276 IsEmpty]: Start isEmpty. Operand 30602 states and 39266 transitions. [2019-10-02 08:59:30,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2019-10-02 08:59:30,230 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:59:30,231 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:59:30,231 INFO L418 AbstractCegarLoop]: === Iteration 28 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:59:30,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:59:30,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1126575066, now seen corresponding path program 1 times [2019-10-02 08:59:30,231 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:59:30,232 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:59:30,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:59:30,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:59:30,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:59:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:59:31,055 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-10-02 08:59:31,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:59:31,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 08:59:31,056 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 08:59:31,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 08:59:31,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 08:59:31,056 INFO L87 Difference]: Start difference. First operand 30602 states and 39266 transitions. Second operand 4 states. [2019-10-02 08:59:31,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:59:31,700 INFO L93 Difference]: Finished difference Result 60694 states and 78105 transitions. [2019-10-02 08:59:31,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 08:59:31,701 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 262 [2019-10-02 08:59:31,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:59:31,798 INFO L225 Difference]: With dead ends: 60694 [2019-10-02 08:59:31,798 INFO L226 Difference]: Without dead ends: 30698 [2019-10-02 08:59:31,859 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-02 08:59:31,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30698 states. [2019-10-02 08:59:32,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30698 to 30666. [2019-10-02 08:59:32,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30666 states. [2019-10-02 08:59:32,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30666 states to 30666 states and 39330 transitions. [2019-10-02 08:59:32,649 INFO L78 Accepts]: Start accepts. Automaton has 30666 states and 39330 transitions. Word has length 262 [2019-10-02 08:59:32,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:59:32,649 INFO L475 AbstractCegarLoop]: Abstraction has 30666 states and 39330 transitions. [2019-10-02 08:59:32,649 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 08:59:32,649 INFO L276 IsEmpty]: Start isEmpty. Operand 30666 states and 39330 transitions. [2019-10-02 08:59:32,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2019-10-02 08:59:32,657 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:59:32,657 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 8, 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] [2019-10-02 08:59:32,658 INFO L418 AbstractCegarLoop]: === Iteration 29 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:59:32,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:59:32,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1377200870, now seen corresponding path program 1 times [2019-10-02 08:59:32,658 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:59:32,658 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:59:32,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:59:32,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:59:32,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:59:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:59:33,408 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-10-02 08:59:33,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:59:33,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 08:59:33,409 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 08:59:33,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 08:59:33,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-02 08:59:33,409 INFO L87 Difference]: Start difference. First operand 30666 states and 39330 transitions. Second operand 7 states. [2019-10-02 08:59:51,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:59:51,988 INFO L93 Difference]: Finished difference Result 46836 states and 60099 transitions. [2019-10-02 08:59:51,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 08:59:51,988 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 271 [2019-10-02 08:59:51,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:59:52,144 INFO L225 Difference]: With dead ends: 46836 [2019-10-02 08:59:52,144 INFO L226 Difference]: Without dead ends: 46833 [2019-10-02 08:59:52,166 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-02 08:59:52,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46833 states. [2019-10-02 08:59:53,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46833 to 46816. [2019-10-02 08:59:53,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46816 states. [2019-10-02 08:59:53,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46816 states to 46816 states and 60069 transitions. [2019-10-02 08:59:53,232 INFO L78 Accepts]: Start accepts. Automaton has 46816 states and 60069 transitions. Word has length 271 [2019-10-02 08:59:53,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:59:53,232 INFO L475 AbstractCegarLoop]: Abstraction has 46816 states and 60069 transitions. [2019-10-02 08:59:53,232 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 08:59:53,233 INFO L276 IsEmpty]: Start isEmpty. Operand 46816 states and 60069 transitions. [2019-10-02 08:59:53,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-10-02 08:59:53,245 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:59:53,245 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:59:53,245 INFO L418 AbstractCegarLoop]: === Iteration 30 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:59:53,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:59:53,246 INFO L82 PathProgramCache]: Analyzing trace with hash -561102655, now seen corresponding path program 1 times [2019-10-02 08:59:53,246 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:59:53,246 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:59:53,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:59:53,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:59:53,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:59:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:59:53,684 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-10-02 08:59:53,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:59:53,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 08:59:53,685 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 08:59:53,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 08:59:53,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 08:59:53,686 INFO L87 Difference]: Start difference. First operand 46816 states and 60069 transitions. Second operand 4 states. [2019-10-02 08:59:54,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:59:54,599 INFO L93 Difference]: Finished difference Result 93314 states and 120033 transitions. [2019-10-02 08:59:54,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 08:59:54,599 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 264 [2019-10-02 08:59:54,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:59:54,708 INFO L225 Difference]: With dead ends: 93314 [2019-10-02 08:59:54,708 INFO L226 Difference]: Without dead ends: 47104 [2019-10-02 08:59:54,776 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-02 08:59:54,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47104 states. [2019-10-02 08:59:55,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47104 to 46912. [2019-10-02 08:59:55,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46912 states. [2019-10-02 08:59:55,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46912 states to 46912 states and 60165 transitions. [2019-10-02 08:59:55,799 INFO L78 Accepts]: Start accepts. Automaton has 46912 states and 60165 transitions. Word has length 264 [2019-10-02 08:59:55,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:59:55,800 INFO L475 AbstractCegarLoop]: Abstraction has 46912 states and 60165 transitions. [2019-10-02 08:59:55,800 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 08:59:55,800 INFO L276 IsEmpty]: Start isEmpty. Operand 46912 states and 60165 transitions. [2019-10-02 08:59:55,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2019-10-02 08:59:55,808 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:59:55,809 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:59:55,809 INFO L418 AbstractCegarLoop]: === Iteration 31 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:59:55,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:59:55,809 INFO L82 PathProgramCache]: Analyzing trace with hash -713260390, now seen corresponding path program 1 times [2019-10-02 08:59:55,809 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:59:55,810 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:59:55,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:59:55,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:59:55,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:59:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:59:56,765 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2019-10-02 08:59:56,765 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:59:56,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 08:59:56,768 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 08:59:56,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 08:59:56,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 08:59:56,769 INFO L87 Difference]: Start difference. First operand 46912 states and 60165 transitions. Second operand 7 states. [2019-10-02 08:59:57,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:59:57,775 INFO L93 Difference]: Finished difference Result 92987 states and 119396 transitions. [2019-10-02 08:59:57,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 08:59:57,775 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 266 [2019-10-02 08:59:57,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:59:57,879 INFO L225 Difference]: With dead ends: 92987 [2019-10-02 08:59:57,879 INFO L226 Difference]: Without dead ends: 46681 [2019-10-02 08:59:57,943 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 08:59:57,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46681 states. [2019-10-02 08:59:58,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46681 to 46681. [2019-10-02 08:59:58,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46681 states. [2019-10-02 08:59:58,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46681 states to 46681 states and 59824 transitions. [2019-10-02 08:59:58,952 INFO L78 Accepts]: Start accepts. Automaton has 46681 states and 59824 transitions. Word has length 266 [2019-10-02 08:59:58,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:59:58,953 INFO L475 AbstractCegarLoop]: Abstraction has 46681 states and 59824 transitions. [2019-10-02 08:59:58,953 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 08:59:58,953 INFO L276 IsEmpty]: Start isEmpty. Operand 46681 states and 59824 transitions. [2019-10-02 08:59:58,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-10-02 08:59:58,963 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:59:58,964 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:59:58,964 INFO L418 AbstractCegarLoop]: === Iteration 32 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:59:58,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:59:58,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1525201643, now seen corresponding path program 1 times [2019-10-02 08:59:58,964 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:59:58,965 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:59:58,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:59:58,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:59:58,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:59:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:59:59,583 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-10-02 08:59:59,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:59:59,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:59:59,586 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:59:59,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:59:59,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:59:59,587 INFO L87 Difference]: Start difference. First operand 46681 states and 59824 transitions. Second operand 3 states. [2019-10-02 09:00:00,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:00:00,481 INFO L93 Difference]: Finished difference Result 78082 states and 100025 transitions. [2019-10-02 09:00:00,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:00:00,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2019-10-02 09:00:00,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:00:00,578 INFO L225 Difference]: With dead ends: 78082 [2019-10-02 09:00:00,580 INFO L226 Difference]: Without dead ends: 46717 [2019-10-02 09:00:00,626 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 [2019-10-02 09:00:00,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46717 states. [2019-10-02 09:00:01,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46717 to 46681. [2019-10-02 09:00:01,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46681 states. [2019-10-02 09:00:01,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46681 states to 46681 states and 59806 transitions. [2019-10-02 09:00:01,623 INFO L78 Accepts]: Start accepts. Automaton has 46681 states and 59806 transitions. Word has length 286 [2019-10-02 09:00:01,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:00:01,624 INFO L475 AbstractCegarLoop]: Abstraction has 46681 states and 59806 transitions. [2019-10-02 09:00:01,624 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:00:01,624 INFO L276 IsEmpty]: Start isEmpty. Operand 46681 states and 59806 transitions. [2019-10-02 09:00:01,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-10-02 09:00:01,635 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:00:01,635 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:00:01,635 INFO L418 AbstractCegarLoop]: === Iteration 33 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:00:01,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:00:01,636 INFO L82 PathProgramCache]: Analyzing trace with hash -865670121, now seen corresponding path program 1 times [2019-10-02 09:00:01,636 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:00:01,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:00:01,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:00:01,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:00:01,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:00:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:00:02,473 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-10-02 09:00:02,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:00:02,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 09:00:02,474 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 09:00:02,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 09:00:02,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 09:00:02,475 INFO L87 Difference]: Start difference. First operand 46681 states and 59806 transitions. Second operand 5 states. [2019-10-02 09:00:03,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:00:03,508 INFO L93 Difference]: Finished difference Result 92990 states and 119234 transitions. [2019-10-02 09:00:03,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 09:00:03,509 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 286 [2019-10-02 09:00:03,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:00:03,606 INFO L225 Difference]: With dead ends: 92990 [2019-10-02 09:00:03,606 INFO L226 Difference]: Without dead ends: 46915 [2019-10-02 09:00:03,661 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 09:00:03,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46915 states. [2019-10-02 09:00:04,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46915 to 46807. [2019-10-02 09:00:04,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46807 states. [2019-10-02 09:00:04,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46807 states to 46807 states and 59941 transitions. [2019-10-02 09:00:04,617 INFO L78 Accepts]: Start accepts. Automaton has 46807 states and 59941 transitions. Word has length 286 [2019-10-02 09:00:04,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:00:04,617 INFO L475 AbstractCegarLoop]: Abstraction has 46807 states and 59941 transitions. [2019-10-02 09:00:04,617 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 09:00:04,618 INFO L276 IsEmpty]: Start isEmpty. Operand 46807 states and 59941 transitions. [2019-10-02 09:00:04,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-10-02 09:00:04,628 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:00:04,628 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:00:04,628 INFO L418 AbstractCegarLoop]: === Iteration 34 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:00:04,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:00:04,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1057557913, now seen corresponding path program 1 times [2019-10-02 09:00:04,628 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:00:04,628 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:00:04,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:00:04,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:00:04,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:00:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:00:05,586 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2019-10-02 09:00:05,586 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:00:05,587 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:00:06,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:00:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-10-02 09:00:23,721 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 09:00:23,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-10-02 09:00:23,721 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 09:00:23,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 09:00:23,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 09:00:23,722 INFO L87 Difference]: Start difference. First operand 46807 states and 59941 transitions. Second operand 8 states. [2019-10-02 09:00:28,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:00:28,341 INFO L93 Difference]: Finished difference Result 78136 states and 100016 transitions. [2019-10-02 09:00:28,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 09:00:28,341 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 286 [2019-10-02 09:00:28,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:00:28,448 INFO L225 Difference]: With dead ends: 78136 [2019-10-02 09:00:28,449 INFO L226 Difference]: Without dead ends: 46654 [2019-10-02 09:00:28,501 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 09:00:28,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46654 states. [2019-10-02 09:00:29,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46654 to 46654. [2019-10-02 09:00:29,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46654 states. [2019-10-02 09:00:29,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46654 states to 46654 states and 59743 transitions. [2019-10-02 09:00:29,530 INFO L78 Accepts]: Start accepts. Automaton has 46654 states and 59743 transitions. Word has length 286 [2019-10-02 09:00:29,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:00:29,531 INFO L475 AbstractCegarLoop]: Abstraction has 46654 states and 59743 transitions. [2019-10-02 09:00:29,531 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 09:00:29,531 INFO L276 IsEmpty]: Start isEmpty. Operand 46654 states and 59743 transitions. [2019-10-02 09:00:29,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2019-10-02 09:00:29,543 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:00:29,543 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:00:29,543 INFO L418 AbstractCegarLoop]: === Iteration 35 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:00:29,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:00:29,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1331001909, now seen corresponding path program 1 times [2019-10-02 09:00:29,543 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:00:29,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:00:29,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:00:29,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:00:29,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:00:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:00:35,562 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-10-02 09:00:35,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:00:35,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-02 09:00:35,564 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-02 09:00:35,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-02 09:00:35,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2019-10-02 09:00:35,565 INFO L87 Difference]: Start difference. First operand 46654 states and 59743 transitions. Second operand 13 states. [2019-10-02 09:00:44,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:00:44,167 INFO L93 Difference]: Finished difference Result 78202 states and 100016 transitions. [2019-10-02 09:00:44,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-02 09:00:44,168 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 303 [2019-10-02 09:00:44,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:00:44,297 INFO L225 Difference]: With dead ends: 78202 [2019-10-02 09:00:44,297 INFO L226 Difference]: Without dead ends: 46821 [2019-10-02 09:00:44,370 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2019-10-02 09:00:44,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46821 states. [2019-10-02 09:00:45,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46821 to 46467. [2019-10-02 09:00:45,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46467 states. [2019-10-02 09:00:45,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46467 states to 46467 states and 59484 transitions. [2019-10-02 09:00:45,609 INFO L78 Accepts]: Start accepts. Automaton has 46467 states and 59484 transitions. Word has length 303 [2019-10-02 09:00:45,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:00:45,610 INFO L475 AbstractCegarLoop]: Abstraction has 46467 states and 59484 transitions. [2019-10-02 09:00:45,610 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-02 09:00:45,610 INFO L276 IsEmpty]: Start isEmpty. Operand 46467 states and 59484 transitions. [2019-10-02 09:00:45,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2019-10-02 09:00:45,622 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:00:45,622 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:00:45,622 INFO L418 AbstractCegarLoop]: === Iteration 36 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:00:45,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:00:45,623 INFO L82 PathProgramCache]: Analyzing trace with hash 682629025, now seen corresponding path program 1 times [2019-10-02 09:00:45,623 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:00:45,623 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:00:45,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:00:45,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:00:45,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:00:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:00:46,482 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 24 proven. 14 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2019-10-02 09:00:46,483 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:00:46,483 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:00:47,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:01:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-10-02 09:01:02,596 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 09:01:02,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-10-02 09:01:02,597 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 09:01:02,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 09:01:02,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 09:01:02,597 INFO L87 Difference]: Start difference. First operand 46467 states and 59484 transitions. Second operand 8 states. [2019-10-02 09:01:07,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:01:07,244 INFO L93 Difference]: Finished difference Result 77609 states and 99333 transitions. [2019-10-02 09:01:07,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 09:01:07,245 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 294 [2019-10-02 09:01:07,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:01:07,416 INFO L225 Difference]: With dead ends: 77609 [2019-10-02 09:01:07,417 INFO L226 Difference]: Without dead ends: 46467 [2019-10-02 09:01:07,488 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 09:01:07,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46467 states. [2019-10-02 09:01:08,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46467 to 46467. [2019-10-02 09:01:08,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46467 states. [2019-10-02 09:01:08,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46467 states to 46467 states and 59464 transitions. [2019-10-02 09:01:08,588 INFO L78 Accepts]: Start accepts. Automaton has 46467 states and 59464 transitions. Word has length 294 [2019-10-02 09:01:08,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:01:08,588 INFO L475 AbstractCegarLoop]: Abstraction has 46467 states and 59464 transitions. [2019-10-02 09:01:08,588 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 09:01:08,588 INFO L276 IsEmpty]: Start isEmpty. Operand 46467 states and 59464 transitions. [2019-10-02 09:01:08,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2019-10-02 09:01:08,601 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:01:08,601 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:01:08,602 INFO L418 AbstractCegarLoop]: === Iteration 37 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:01:08,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:01:08,602 INFO L82 PathProgramCache]: Analyzing trace with hash 480468893, now seen corresponding path program 1 times [2019-10-02 09:01:08,602 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:01:08,602 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:01:08,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:01:08,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:01:08,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:01:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:01:09,630 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2019-10-02 09:01:09,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:01:09,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-02 09:01:09,631 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 09:01:09,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 09:01:09,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2019-10-02 09:01:09,632 INFO L87 Difference]: Start difference. First operand 46467 states and 59464 transitions. Second operand 9 states. [2019-10-02 09:01:23,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:01:23,867 INFO L93 Difference]: Finished difference Result 64969 states and 85065 transitions. [2019-10-02 09:01:23,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 09:01:23,868 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 305 [2019-10-02 09:01:23,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:01:24,062 INFO L225 Difference]: With dead ends: 64969 [2019-10-02 09:01:24,062 INFO L226 Difference]: Without dead ends: 64831 [2019-10-02 09:01:24,094 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2019-10-02 09:01:24,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64831 states. [2019-10-02 09:01:27,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64831 to 61275. [2019-10-02 09:01:27,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61275 states. [2019-10-02 09:01:27,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61275 states to 61275 states and 78451 transitions. [2019-10-02 09:01:27,839 INFO L78 Accepts]: Start accepts. Automaton has 61275 states and 78451 transitions. Word has length 305 [2019-10-02 09:01:27,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:01:27,839 INFO L475 AbstractCegarLoop]: Abstraction has 61275 states and 78451 transitions. [2019-10-02 09:01:27,839 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 09:01:27,840 INFO L276 IsEmpty]: Start isEmpty. Operand 61275 states and 78451 transitions. [2019-10-02 09:01:27,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2019-10-02 09:01:27,858 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:01:27,859 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:01:27,859 INFO L418 AbstractCegarLoop]: === Iteration 38 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:01:27,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:01:27,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1357787159, now seen corresponding path program 1 times [2019-10-02 09:01:27,859 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:01:27,859 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:01:27,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:01:27,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:01:27,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:01:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:01:29,140 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2019-10-02 09:01:29,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:01:29,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-02 09:01:29,141 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 09:01:29,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 09:01:29,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-10-02 09:01:29,142 INFO L87 Difference]: Start difference. First operand 61275 states and 78451 transitions. Second operand 11 states. [2019-10-02 09:01:31,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:01:31,286 INFO L93 Difference]: Finished difference Result 123192 states and 157863 transitions. [2019-10-02 09:01:31,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-02 09:01:31,287 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 309 [2019-10-02 09:01:31,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:01:31,454 INFO L225 Difference]: With dead ends: 123192 [2019-10-02 09:01:31,454 INFO L226 Difference]: Without dead ends: 62523 [2019-10-02 09:01:31,555 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2019-10-02 09:01:31,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62523 states. [2019-10-02 09:01:33,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62523 to 61875. [2019-10-02 09:01:33,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61875 states. [2019-10-02 09:01:33,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61875 states to 61875 states and 79275 transitions. [2019-10-02 09:01:33,246 INFO L78 Accepts]: Start accepts. Automaton has 61875 states and 79275 transitions. Word has length 309 [2019-10-02 09:01:33,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:01:33,247 INFO L475 AbstractCegarLoop]: Abstraction has 61875 states and 79275 transitions. [2019-10-02 09:01:33,247 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 09:01:33,247 INFO L276 IsEmpty]: Start isEmpty. Operand 61875 states and 79275 transitions. [2019-10-02 09:01:33,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2019-10-02 09:01:33,262 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:01:33,263 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:01:33,263 INFO L418 AbstractCegarLoop]: === Iteration 39 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:01:33,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:01:33,263 INFO L82 PathProgramCache]: Analyzing trace with hash 68761712, now seen corresponding path program 1 times [2019-10-02 09:01:33,264 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:01:33,264 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:01:33,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:01:33,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:01:33,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:01:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:01:34,320 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-10-02 09:01:34,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:01:34,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-02 09:01:34,321 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-02 09:01:34,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-02 09:01:34,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2019-10-02 09:01:34,321 INFO L87 Difference]: Start difference. First operand 61875 states and 79275 transitions. Second operand 12 states. [2019-10-02 09:01:38,695 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 22 [2019-10-02 09:01:43,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:01:43,584 INFO L93 Difference]: Finished difference Result 185425 states and 237993 transitions. [2019-10-02 09:01:43,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-02 09:01:43,585 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 319 [2019-10-02 09:01:43,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:01:44,060 INFO L225 Difference]: With dead ends: 185425 [2019-10-02 09:01:44,060 INFO L226 Difference]: Without dead ends: 123868 [2019-10-02 09:01:44,201 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2019-10-02 09:01:44,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123868 states. [2019-10-02 09:01:51,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123868 to 123183. [2019-10-02 09:01:51,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123183 states. [2019-10-02 09:01:51,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123183 states to 123183 states and 157761 transitions. [2019-10-02 09:01:51,521 INFO L78 Accepts]: Start accepts. Automaton has 123183 states and 157761 transitions. Word has length 319 [2019-10-02 09:01:51,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:01:51,522 INFO L475 AbstractCegarLoop]: Abstraction has 123183 states and 157761 transitions. [2019-10-02 09:01:51,522 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-02 09:01:51,522 INFO L276 IsEmpty]: Start isEmpty. Operand 123183 states and 157761 transitions. [2019-10-02 09:01:51,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2019-10-02 09:01:51,557 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:01:51,557 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:01:51,557 INFO L418 AbstractCegarLoop]: === Iteration 40 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:01:51,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:01:51,558 INFO L82 PathProgramCache]: Analyzing trace with hash 2030067145, now seen corresponding path program 1 times [2019-10-02 09:01:51,558 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:01:51,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:01:51,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:01:51,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:01:51,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:03:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:03:33,836 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2019-10-02 09:03:33,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:03:33,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-02 09:03:33,838 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-02 09:03:33,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-02 09:03:33,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2019-10-02 09:03:33,839 INFO L87 Difference]: Start difference. First operand 123183 states and 157761 transitions. Second operand 13 states. [2019-10-02 09:03:43,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:03:43,101 INFO L93 Difference]: Finished difference Result 125640 states and 160313 transitions. [2019-10-02 09:03:43,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-02 09:03:43,102 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 309 [2019-10-02 09:03:43,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:03:43,253 INFO L225 Difference]: With dead ends: 125640 [2019-10-02 09:03:43,253 INFO L226 Difference]: Without dead ends: 62727 [2019-10-02 09:03:43,344 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2019-10-02 09:03:43,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62727 states.