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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:08:21,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:08:21,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:08:21,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:08:21,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:08:21,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:08:21,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:08:21,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:08:21,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:08:21,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:08:21,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:08:21,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:08:21,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:08:21,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:08:21,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:08:21,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:08:21,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:08:21,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:08:21,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:08:21,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:08:21,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:08:21,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:08:21,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:08:21,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:08:21,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:08:21,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:08:21,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:08:21,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:08:21,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:08:21,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:08:21,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:08:21,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:08:21,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:08:21,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:08:21,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:08:21,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:08:21,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:08:21,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:08:21,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:08:21,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:08:21,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:08:21,746 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 [2019-10-13 22:08:21,781 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:08:21,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:08:21,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:08:21,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:08:21,787 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:08:21,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:08:21,787 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:08:21,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:08:21,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:08:21,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:08:21,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:08:21,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:08:21,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:08:21,788 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:08:21,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:08:21,789 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:08:21,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:08:21,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:08:21,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:08:21,789 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:08:21,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:08:21,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:08:21,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:08:21,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:08:21,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:08:21,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:08:21,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:08:21,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:08:21,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 22:08:22,067 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:08:22,080 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:08:22,084 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:08:22,085 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:08:22,086 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:08:22,086 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i [2019-10-13 22:08:22,164 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/856232313/642a91bbb3524b168f1cdfc032e67008/FLAG0dbaac477 [2019-10-13 22:08:22,931 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:08:22,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i [2019-10-13 22:08:22,971 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/856232313/642a91bbb3524b168f1cdfc032e67008/FLAG0dbaac477 [2019-10-13 22:08:23,027 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/856232313/642a91bbb3524b168f1cdfc032e67008 [2019-10-13 22:08:23,035 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:08:23,036 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:08:23,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:08:23,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:08:23,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:08:23,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:08:23" (1/1) ... [2019-10-13 22:08:23,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b46624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:23, skipping insertion in model container [2019-10-13 22:08:23,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:08:23" (1/1) ... [2019-10-13 22:08:23,051 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:08:23,184 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:08:25,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:08:25,149 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:08:25,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:08:25,858 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:08:25,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:25 WrapperNode [2019-10-13 22:08:25,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:08:25,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:08:25,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:08:25,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:08:25,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:25" (1/1) ... [2019-10-13 22:08:25,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:25" (1/1) ... [2019-10-13 22:08:26,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:25" (1/1) ... [2019-10-13 22:08:26,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:25" (1/1) ... [2019-10-13 22:08:26,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:25" (1/1) ... [2019-10-13 22:08:26,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:25" (1/1) ... [2019-10-13 22:08:26,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:25" (1/1) ... [2019-10-13 22:08:26,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:08:26,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:08:26,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:08:26,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:08:26,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:25" (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 [2019-10-13 22:08:26,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:08:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:08:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:08:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-13 22:08:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-10-13 22:08:26,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 22:08:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 22:08:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-13 22:08:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2019-10-13 22:08:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-13 22:08:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-10-13 22:08:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2019-10-13 22:08:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2019-10-13 22:08:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-10-13 22:08:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 22:08:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 22:08:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:08:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 22:08:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:08:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:08:26,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:08:26,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:08:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:08:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:08:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:08:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:08:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 22:08:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-10-13 22:08:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2019-10-13 22:08:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2019-10-13 22:08:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2019-10-13 22:08:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2019-10-13 22:08:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2019-10-13 22:08:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2019-10-13 22:08:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure e2i_init [2019-10-13 22:08:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure e2i_read_data [2019-10-13 22:08:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure egalax_init [2019-10-13 22:08:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure egalax_read_data [2019-10-13 22:08:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure egalax_get_pkt_len [2019-10-13 22:08:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure etouch_read_data [2019-10-13 22:08:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure etouch_get_pkt_len [2019-10-13 22:08:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure panjit_read_data [2019-10-13 22:08:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure mtouch_read_data [2019-10-13 22:08:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mtouch_init [2019-10-13 22:08:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure itm_read_data [2019-10-13 22:08:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure eturbo_read_data [2019-10-13 22:08:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure eturbo_get_pkt_len [2019-10-13 22:08:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure gunze_read_data [2019-10-13 22:08:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure dmc_tsc10_init [2019-10-13 22:08:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure dmc_tsc10_read_data [2019-10-13 22:08:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure irtouch_read_data [2019-10-13 22:08:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure tc45usb_read_data [2019-10-13 22:08:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure idealtek_get_pkt_len [2019-10-13 22:08:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure idealtek_read_data [2019-10-13 22:08:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure general_touch_read_data [2019-10-13 22:08:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure gotop_read_data [2019-10-13 22:08:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure jastec_read_data [2019-10-13 22:08:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure zytronic_read_data [2019-10-13 22:08:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_ack_complete [2019-10-13 22:08:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_alloc [2019-10-13 22:08:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_init [2019-10-13 22:08:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_exit [2019-10-13 22:08:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_read_data [2019-10-13 22:08:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure elo_read_data [2019-10-13 22:08:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_process_pkt [2019-10-13 22:08:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_process_multi [2019-10-13 22:08:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_irq [2019-10-13 22:08:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_open [2019-10-13 22:08:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_close [2019-10-13 22:08:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_suspend [2019-10-13 22:08:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_resume [2019-10-13 22:08:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_reset_resume [2019-10-13 22:08:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_free_buffers [2019-10-13 22:08:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_get_input_endpoint [2019-10-13 22:08:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_probe [2019-10-13 22:08:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_disconnect [2019-10-13 22:08:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_driver_init [2019-10-13 22:08:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_driver_exit [2019-10-13 22:08:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-13 22:08:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:08:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 22:08:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_2 [2019-10-13 22:08:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_3 [2019-10-13 22:08:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_4 [2019-10-13 22:08:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2019-10-13 22:08:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2019-10-13 22:08:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_7 [2019-10-13 22:08:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_8 [2019-10-13 22:08:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_9 [2019-10-13 22:08:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_10 [2019-10-13 22:08:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_11 [2019-10-13 22:08:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_12 [2019-10-13 22:08:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_14 [2019-10-13 22:08:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_16 [2019-10-13 22:08:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_17 [2019-10-13 22:08:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_18 [2019-10-13 22:08:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_20 [2019-10-13 22:08:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_21 [2019-10-13 22:08:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2019-10-13 22:08:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_23 [2019-10-13 22:08:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_24 [2019-10-13 22:08:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_27 [2019-10-13 22:08:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_28 [2019-10-13 22:08:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_29 [2019-10-13 22:08:26,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-13 22:08:26,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-10-13 22:08:26,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-10-13 22:08:26,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-10-13 22:08:26,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-10-13 22:08:26,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-10-13 22:08:26,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-10-13 22:08:26,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-10-13 22:08:26,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-10-13 22:08:26,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-10-13 22:08:26,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-10-13 22:08:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-10-13 22:08:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-10-13 22:08:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-10-13 22:08:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-10-13 22:08:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-10-13 22:08:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:08:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-13 22:08:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 22:08:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 22:08:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 22:08:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-10-13 22:08:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-10-13 22:08:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-10-13 22:08:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2019-10-13 22:08:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-10-13 22:08:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2019-10-13 22:08:26,456 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2019-10-13 22:08:26,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:08:26,457 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-13 22:08:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-13 22:08:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 22:08:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 22:08:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2019-10-13 22:08:26,461 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-13 22:08:26,461 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-13 22:08:26,461 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-10-13 22:08:26,461 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-13 22:08:26,462 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 22:08:26,462 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-13 22:08:26,468 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-13 22:08:26,468 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 22:08:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:08:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:08:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:08:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:08:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 22:08:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:08:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:08:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 22:08:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:08:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-13 22:08:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-13 22:08:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2019-10-13 22:08:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2019-10-13 22:08:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2019-10-13 22:08:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-13 22:08:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2019-10-13 22:08:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:08:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-13 22:08:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-10-13 22:08:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 22:08:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-13 22:08:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 22:08:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-13 22:08:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-13 22:08:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 22:08:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 22:08:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 22:08:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 22:08:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2019-10-13 22:08:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:08:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_12 [2019-10-13 22:08:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_20 [2019-10-13 22:08:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 22:08:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_7 [2019-10-13 22:08:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_10 [2019-10-13 22:08:26,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_21 [2019-10-13 22:08:26,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_9 [2019-10-13 22:08:26,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_11 [2019-10-13 22:08:26,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_23 [2019-10-13 22:08:26,475 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2019-10-13 22:08:26,475 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-10-13 22:08:26,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:08:26,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:08:26,475 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 22:08:26,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_28 [2019-10-13 22:08:26,476 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 22:08:26,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_29 [2019-10-13 22:08:26,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_3 [2019-10-13 22:08:26,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_18 [2019-10-13 22:08:26,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_2 [2019-10-13 22:08:26,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_17 [2019-10-13 22:08:26,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_4 [2019-10-13 22:08:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_24 [2019-10-13 22:08:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_27 [2019-10-13 22:08:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2019-10-13 22:08:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2019-10-13 22:08:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_8 [2019-10-13 22:08:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_14 [2019-10-13 22:08:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_16 [2019-10-13 22:08:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2019-10-13 22:08:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-13 22:08:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-13 22:08:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-13 22:08:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-13 22:08:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-10-13 22:08:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 22:08:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-10-13 22:08:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-10-13 22:08:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-10-13 22:08:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-10-13 22:08:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-10-13 22:08:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-10-13 22:08:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-10-13 22:08:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-10-13 22:08:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-10-13 22:08:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-10-13 22:08:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:08:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:08:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 22:08:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:08:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 22:08:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:08:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:08:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:08:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:08:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:08:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:08:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:08:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:08:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:08:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:08:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:08:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:08:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:08:26,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:08:26,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 22:08:26,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-13 22:08:26,482 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-10-13 22:08:26,482 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-10-13 22:08:26,482 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2019-10-13 22:08:26,482 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2019-10-13 22:08:26,482 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-10-13 22:08:26,483 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-10-13 22:08:26,483 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-10-13 22:08:26,483 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2019-10-13 22:08:26,483 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2019-10-13 22:08:26,483 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2019-10-13 22:08:26,483 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2019-10-13 22:08:26,483 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2019-10-13 22:08:26,483 INFO L130 BoogieDeclarations]: Found specification of procedure e2i_init [2019-10-13 22:08:26,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:08:26,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:08:26,484 INFO L130 BoogieDeclarations]: Found specification of procedure e2i_read_data [2019-10-13 22:08:26,484 INFO L130 BoogieDeclarations]: Found specification of procedure egalax_init [2019-10-13 22:08:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure egalax_read_data [2019-10-13 22:08:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure egalax_get_pkt_len [2019-10-13 22:08:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure etouch_read_data [2019-10-13 22:08:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure etouch_get_pkt_len [2019-10-13 22:08:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure panjit_read_data [2019-10-13 22:08:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure mtouch_read_data [2019-10-13 22:08:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure mtouch_init [2019-10-13 22:08:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure itm_read_data [2019-10-13 22:08:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure eturbo_read_data [2019-10-13 22:08:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure eturbo_get_pkt_len [2019-10-13 22:08:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure gunze_read_data [2019-10-13 22:08:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure dmc_tsc10_init [2019-10-13 22:08:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure dmc_tsc10_read_data [2019-10-13 22:08:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure irtouch_read_data [2019-10-13 22:08:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure tc45usb_read_data [2019-10-13 22:08:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure idealtek_get_pkt_len [2019-10-13 22:08:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure idealtek_read_data [2019-10-13 22:08:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure general_touch_read_data [2019-10-13 22:08:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure gotop_read_data [2019-10-13 22:08:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure jastec_read_data [2019-10-13 22:08:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure zytronic_read_data [2019-10-13 22:08:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_ack_complete [2019-10-13 22:08:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_alloc [2019-10-13 22:08:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_init [2019-10-13 22:08:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 22:08:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:08:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_exit [2019-10-13 22:08:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_read_data [2019-10-13 22:08:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure elo_read_data [2019-10-13 22:08:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_process_multi [2019-10-13 22:08:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_process_pkt [2019-10-13 22:08:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:08:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-13 22:08:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_irq [2019-10-13 22:08:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-10-13 22:08:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_open [2019-10-13 22:08:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_close [2019-10-13 22:08:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_suspend [2019-10-13 22:08:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_resume [2019-10-13 22:08:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_reset_resume [2019-10-13 22:08:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 22:08:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_free_buffers [2019-10-13 22:08:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_get_input_endpoint [2019-10-13 22:08:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_probe [2019-10-13 22:08:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 22:08:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_disconnect [2019-10-13 22:08:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_driver_init [2019-10-13 22:08:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_driver_exit [2019-10-13 22:08:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:08:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:08:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:08:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-13 22:08:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-10-13 22:08:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-10-13 22:08:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-10-13 22:08:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-10-13 22:08:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-10-13 22:08:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:08:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:08:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:08:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:08:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:08:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:08:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 22:08:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 22:08:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 22:08:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 22:08:27,564 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:08:33,204 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-13 22:08:41,388 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:08:41,388 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:08:41,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:08:41 BoogieIcfgContainer [2019-10-13 22:08:41,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:08:41,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:08:41,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:08:41,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:08:41,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:08:23" (1/3) ... [2019-10-13 22:08:41,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4679cf12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:08:41, skipping insertion in model container [2019-10-13 22:08:41,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:25" (2/3) ... [2019-10-13 22:08:41,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4679cf12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:08:41, skipping insertion in model container [2019-10-13 22:08:41,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:08:41" (3/3) ... [2019-10-13 22:08:41,398 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i [2019-10-13 22:08:41,407 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:08:41,417 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:08:41,428 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:08:41,462 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:08:41,462 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:08:41,463 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:08:41,463 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:08:41,463 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:08:41,463 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:08:41,463 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:08:41,463 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:08:41,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states. [2019-10-13 22:08:41,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-13 22:08:41,511 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:41,512 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:08:41,515 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:41,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:41,520 INFO L82 PathProgramCache]: Analyzing trace with hash 939386522, now seen corresponding path program 1 times [2019-10-13 22:08:41,530 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:41,530 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428781721] [2019-10-13 22:08:41,530 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:41,530 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:41,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:42,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:08:42,353 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428781721] [2019-10-13 22:08:42,354 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:42,354 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:42,355 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301999474] [2019-10-13 22:08:42,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:42,361 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:42,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:42,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:42,381 INFO L87 Difference]: Start difference. First operand 1059 states. Second operand 3 states. [2019-10-13 22:08:44,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:44,962 INFO L93 Difference]: Finished difference Result 3068 states and 4071 transitions. [2019-10-13 22:08:44,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:08:44,964 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-10-13 22:08:44,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:44,996 INFO L225 Difference]: With dead ends: 3068 [2019-10-13 22:08:44,997 INFO L226 Difference]: Without dead ends: 2011 [2019-10-13 22:08:45,008 INFO L600 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 [2019-10-13 22:08:45,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2019-10-13 22:08:45,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 2008. [2019-10-13 22:08:45,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2008 states. [2019-10-13 22:08:45,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 2008 states and 2590 transitions. [2019-10-13 22:08:45,289 INFO L78 Accepts]: Start accepts. Automaton has 2008 states and 2590 transitions. Word has length 40 [2019-10-13 22:08:45,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:45,290 INFO L462 AbstractCegarLoop]: Abstraction has 2008 states and 2590 transitions. [2019-10-13 22:08:45,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:08:45,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2008 states and 2590 transitions. [2019-10-13 22:08:45,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 22:08:45,302 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:45,304 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 22:08:45,304 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:45,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:45,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1395553895, now seen corresponding path program 1 times [2019-10-13 22:08:45,306 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:45,306 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390239991] [2019-10-13 22:08:45,306 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:45,306 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:45,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 22:08:45,729 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390239991] [2019-10-13 22:08:45,729 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:45,729 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:45,729 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202074354] [2019-10-13 22:08:45,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:45,733 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:45,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:45,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:45,733 INFO L87 Difference]: Start difference. First operand 2008 states and 2590 transitions. Second operand 3 states. [2019-10-13 22:08:45,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:45,906 INFO L93 Difference]: Finished difference Result 3732 states and 4889 transitions. [2019-10-13 22:08:45,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:08:45,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 22:08:45,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:45,933 INFO L225 Difference]: With dead ends: 3732 [2019-10-13 22:08:45,933 INFO L226 Difference]: Without dead ends: 3729 [2019-10-13 22:08:45,937 INFO L600 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 [2019-10-13 22:08:45,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3729 states. [2019-10-13 22:08:46,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3729 to 3716. [2019-10-13 22:08:46,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3716 states. [2019-10-13 22:08:46,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3716 states to 3716 states and 4871 transitions. [2019-10-13 22:08:46,119 INFO L78 Accepts]: Start accepts. Automaton has 3716 states and 4871 transitions. Word has length 53 [2019-10-13 22:08:46,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:46,120 INFO L462 AbstractCegarLoop]: Abstraction has 3716 states and 4871 transitions. [2019-10-13 22:08:46,120 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:08:46,120 INFO L276 IsEmpty]: Start isEmpty. Operand 3716 states and 4871 transitions. [2019-10-13 22:08:46,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-13 22:08:46,122 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:46,123 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 22:08:46,123 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:46,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:46,123 INFO L82 PathProgramCache]: Analyzing trace with hash 311850061, now seen corresponding path program 1 times [2019-10-13 22:08:46,124 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:46,124 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861212903] [2019-10-13 22:08:46,124 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:46,124 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:46,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:46,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 22:08:46,401 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861212903] [2019-10-13 22:08:46,401 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:46,401 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 22:08:46,402 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191931867] [2019-10-13 22:08:46,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 22:08:46,402 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:46,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 22:08:46,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 22:08:46,403 INFO L87 Difference]: Start difference. First operand 3716 states and 4871 transitions. Second operand 4 states. [2019-10-13 22:08:46,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:46,596 INFO L93 Difference]: Finished difference Result 7425 states and 9739 transitions. [2019-10-13 22:08:46,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 22:08:46,597 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2019-10-13 22:08:46,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:46,622 INFO L225 Difference]: With dead ends: 7425 [2019-10-13 22:08:46,622 INFO L226 Difference]: Without dead ends: 3728 [2019-10-13 22:08:46,637 INFO L600 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 [2019-10-13 22:08:46,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3728 states. [2019-10-13 22:08:46,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3728 to 3720. [2019-10-13 22:08:46,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3720 states. [2019-10-13 22:08:46,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3720 states to 3720 states and 4876 transitions. [2019-10-13 22:08:46,848 INFO L78 Accepts]: Start accepts. Automaton has 3720 states and 4876 transitions. Word has length 54 [2019-10-13 22:08:46,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:46,849 INFO L462 AbstractCegarLoop]: Abstraction has 3720 states and 4876 transitions. [2019-10-13 22:08:46,849 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 22:08:46,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3720 states and 4876 transitions. [2019-10-13 22:08:46,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-13 22:08:46,852 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:46,852 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 22:08:46,852 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:46,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:46,853 INFO L82 PathProgramCache]: Analyzing trace with hash -649725599, now seen corresponding path program 1 times [2019-10-13 22:08:46,853 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:46,854 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087504188] [2019-10-13 22:08:46,854 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:46,854 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:46,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:47,323 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 22:08:47,324 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087504188] [2019-10-13 22:08:47,324 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:47,324 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:47,324 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523793145] [2019-10-13 22:08:47,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:47,325 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:47,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:47,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:47,326 INFO L87 Difference]: Start difference. First operand 3720 states and 4876 transitions. Second operand 3 states. [2019-10-13 22:08:47,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:47,437 INFO L93 Difference]: Finished difference Result 3722 states and 4877 transitions. [2019-10-13 22:08:47,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:08:47,437 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-10-13 22:08:47,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:47,463 INFO L225 Difference]: With dead ends: 3722 [2019-10-13 22:08:47,464 INFO L226 Difference]: Without dead ends: 3719 [2019-10-13 22:08:47,467 INFO L600 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 [2019-10-13 22:08:47,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3719 states. [2019-10-13 22:08:47,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3719 to 3719. [2019-10-13 22:08:47,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3719 states. [2019-10-13 22:08:47,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3719 states to 3719 states and 4874 transitions. [2019-10-13 22:08:47,658 INFO L78 Accepts]: Start accepts. Automaton has 3719 states and 4874 transitions. Word has length 55 [2019-10-13 22:08:47,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:47,659 INFO L462 AbstractCegarLoop]: Abstraction has 3719 states and 4874 transitions. [2019-10-13 22:08:47,659 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:08:47,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3719 states and 4874 transitions. [2019-10-13 22:08:47,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 22:08:47,661 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:47,662 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 22:08:47,662 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:47,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:47,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1332700054, now seen corresponding path program 1 times [2019-10-13 22:08:47,663 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:47,663 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414687600] [2019-10-13 22:08:47,663 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:47,663 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:47,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:47,942 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 22:08:47,943 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414687600] [2019-10-13 22:08:47,943 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:47,944 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:47,944 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569273375] [2019-10-13 22:08:47,946 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:47,946 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:47,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:47,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:47,950 INFO L87 Difference]: Start difference. First operand 3719 states and 4874 transitions. Second operand 3 states. [2019-10-13 22:08:48,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:48,076 INFO L93 Difference]: Finished difference Result 3721 states and 4875 transitions. [2019-10-13 22:08:48,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:08:48,076 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-10-13 22:08:48,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:48,103 INFO L225 Difference]: With dead ends: 3721 [2019-10-13 22:08:48,104 INFO L226 Difference]: Without dead ends: 3718 [2019-10-13 22:08:48,107 INFO L600 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 [2019-10-13 22:08:48,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3718 states. [2019-10-13 22:08:48,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3718 to 3718. [2019-10-13 22:08:48,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3718 states. [2019-10-13 22:08:48,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 3718 states and 4872 transitions. [2019-10-13 22:08:48,303 INFO L78 Accepts]: Start accepts. Automaton has 3718 states and 4872 transitions. Word has length 56 [2019-10-13 22:08:48,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:48,303 INFO L462 AbstractCegarLoop]: Abstraction has 3718 states and 4872 transitions. [2019-10-13 22:08:48,304 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:08:48,304 INFO L276 IsEmpty]: Start isEmpty. Operand 3718 states and 4872 transitions. [2019-10-13 22:08:48,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 22:08:48,306 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:48,307 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 22:08:48,307 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:48,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:48,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1636609276, now seen corresponding path program 1 times [2019-10-13 22:08:48,307 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:48,308 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196978555] [2019-10-13 22:08:48,308 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:48,308 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:48,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:48,717 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 22:08:48,718 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196978555] [2019-10-13 22:08:48,718 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:48,718 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:48,719 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137096622] [2019-10-13 22:08:48,719 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:48,720 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:48,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:48,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:48,720 INFO L87 Difference]: Start difference. First operand 3718 states and 4872 transitions. Second operand 3 states. [2019-10-13 22:08:49,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:49,009 INFO L93 Difference]: Finished difference Result 7219 states and 9681 transitions. [2019-10-13 22:08:49,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:08:49,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2019-10-13 22:08:49,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:49,068 INFO L225 Difference]: With dead ends: 7219 [2019-10-13 22:08:49,069 INFO L226 Difference]: Without dead ends: 7216 [2019-10-13 22:08:49,074 INFO L600 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 [2019-10-13 22:08:49,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7216 states. [2019-10-13 22:08:49,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7216 to 7201. [2019-10-13 22:08:49,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7201 states. [2019-10-13 22:08:49,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7201 states to 7201 states and 9664 transitions. [2019-10-13 22:08:49,458 INFO L78 Accepts]: Start accepts. Automaton has 7201 states and 9664 transitions. Word has length 57 [2019-10-13 22:08:49,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:49,459 INFO L462 AbstractCegarLoop]: Abstraction has 7201 states and 9664 transitions. [2019-10-13 22:08:49,459 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:08:49,459 INFO L276 IsEmpty]: Start isEmpty. Operand 7201 states and 9664 transitions. [2019-10-13 22:08:49,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-13 22:08:49,461 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:49,461 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 22:08:49,462 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:49,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:49,462 INFO L82 PathProgramCache]: Analyzing trace with hash 804086873, now seen corresponding path program 1 times [2019-10-13 22:08:49,462 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:49,463 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496473353] [2019-10-13 22:08:49,463 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:49,463 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:49,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:49,743 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 22:08:49,744 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496473353] [2019-10-13 22:08:49,744 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:49,744 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:49,744 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003821546] [2019-10-13 22:08:49,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:49,745 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:49,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:49,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:49,746 INFO L87 Difference]: Start difference. First operand 7201 states and 9664 transitions. Second operand 3 states. [2019-10-13 22:08:50,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:50,001 INFO L93 Difference]: Finished difference Result 7203 states and 9665 transitions. [2019-10-13 22:08:50,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:08:50,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-10-13 22:08:50,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:50,053 INFO L225 Difference]: With dead ends: 7203 [2019-10-13 22:08:50,054 INFO L226 Difference]: Without dead ends: 7183 [2019-10-13 22:08:50,061 INFO L600 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 [2019-10-13 22:08:50,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7183 states. [2019-10-13 22:08:51,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7183 to 7183. [2019-10-13 22:08:51,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7183 states. [2019-10-13 22:08:51,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7183 states to 7183 states and 9642 transitions. [2019-10-13 22:08:51,215 INFO L78 Accepts]: Start accepts. Automaton has 7183 states and 9642 transitions. Word has length 58 [2019-10-13 22:08:51,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:51,215 INFO L462 AbstractCegarLoop]: Abstraction has 7183 states and 9642 transitions. [2019-10-13 22:08:51,216 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:08:51,216 INFO L276 IsEmpty]: Start isEmpty. Operand 7183 states and 9642 transitions. [2019-10-13 22:08:51,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-13 22:08:51,220 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:51,220 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:08:51,221 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:51,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:51,221 INFO L82 PathProgramCache]: Analyzing trace with hash 926661269, now seen corresponding path program 1 times [2019-10-13 22:08:51,221 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:51,221 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830424680] [2019-10-13 22:08:51,222 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:51,222 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:51,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:51,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 22:08:51,483 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830424680] [2019-10-13 22:08:51,483 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:51,484 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:51,484 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538410134] [2019-10-13 22:08:51,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:51,485 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:51,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:51,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:51,486 INFO L87 Difference]: Start difference. First operand 7183 states and 9642 transitions. Second operand 3 states. [2019-10-13 22:08:52,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:52,032 INFO L93 Difference]: Finished difference Result 10972 states and 14717 transitions. [2019-10-13 22:08:52,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:08:52,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2019-10-13 22:08:52,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:52,068 INFO L225 Difference]: With dead ends: 10972 [2019-10-13 22:08:52,068 INFO L226 Difference]: Without dead ends: 3812 [2019-10-13 22:08:52,101 INFO L600 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 [2019-10-13 22:08:52,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2019-10-13 22:08:52,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 3746. [2019-10-13 22:08:52,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3746 states. [2019-10-13 22:08:52,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3746 states to 3746 states and 5016 transitions. [2019-10-13 22:08:52,286 INFO L78 Accepts]: Start accepts. Automaton has 3746 states and 5016 transitions. Word has length 94 [2019-10-13 22:08:52,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:52,287 INFO L462 AbstractCegarLoop]: Abstraction has 3746 states and 5016 transitions. [2019-10-13 22:08:52,287 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:08:52,287 INFO L276 IsEmpty]: Start isEmpty. Operand 3746 states and 5016 transitions. [2019-10-13 22:08:52,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-10-13 22:08:52,297 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:52,297 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 22:08:52,297 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:52,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:52,298 INFO L82 PathProgramCache]: Analyzing trace with hash 79931893, now seen corresponding path program 1 times [2019-10-13 22:08:52,298 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:52,298 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109319412] [2019-10-13 22:08:52,299 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:52,299 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:52,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:52,680 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 22:08:52,680 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109319412] [2019-10-13 22:08:52,681 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:52,681 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:52,681 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773825316] [2019-10-13 22:08:52,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:52,682 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:52,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:52,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:52,683 INFO L87 Difference]: Start difference. First operand 3746 states and 5016 transitions. Second operand 3 states.