java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:41:54,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:41:54,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:41:54,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:41:54,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:41:54,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:41:54,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:41:54,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:41:54,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:41:54,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:41:54,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:41:54,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:41:54,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:41:54,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:41:54,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:41:54,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:41:54,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:41:54,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:41:54,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:41:54,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:41:54,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:41:54,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:41:54,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:41:54,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:41:54,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:41:54,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:41:54,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:41:54,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:41:54,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:41:54,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:41:54,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:41:54,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:41:54,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:41:54,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:41:54,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:41:54,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:41:54,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:41:54,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:41:54,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:41:54,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:41:54,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:41:54,844 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 [2019-09-20 20:41:54,858 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:41:54,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:41:54,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:41:54,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:41:54,860 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:41:54,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:41:54,860 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:41:54,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:41:54,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:41:54,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:41:54,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:41:54,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:41:54,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:41:54,862 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:41:54,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:41:54,862 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:41:54,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:41:54,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:41:54,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:41:54,863 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:41:54,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:41:54,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:41:54,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:41:54,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:41:54,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:41:54,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:41:54,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:41:54,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:41:54,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> ReUseSupersetCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 20:41:54,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:41:54,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:41:54,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:41:54,933 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:41:54,934 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:41:54,934 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2019-09-20 20:41:55,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c910e881/f0e22f2dd85040b6a0ef1f97606beb73/FLAGf4fac7593 [2019-09-20 20:41:55,688 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:41:55,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2019-09-20 20:41:55,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c910e881/f0e22f2dd85040b6a0ef1f97606beb73/FLAGf4fac7593 [2019-09-20 20:41:55,821 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c910e881/f0e22f2dd85040b6a0ef1f97606beb73 [2019-09-20 20:41:55,832 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:41:55,833 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:41:55,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:41:55,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:41:55,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:41:55,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:41:55" (1/1) ... [2019-09-20 20:41:55,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@764470cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:55, skipping insertion in model container [2019-09-20 20:41:55,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:41:55" (1/1) ... [2019-09-20 20:41:55,846 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:41:55,936 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:41:56,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:41:56,932 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:41:57,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:41:57,151 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:41:57,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:57 WrapperNode [2019-09-20 20:41:57,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:41:57,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:41:57,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:41:57,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:41:57,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:57" (1/1) ... [2019-09-20 20:41:57,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:57" (1/1) ... [2019-09-20 20:41:57,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:57" (1/1) ... [2019-09-20 20:41:57,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:57" (1/1) ... [2019-09-20 20:41:57,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:57" (1/1) ... [2019-09-20 20:41:57,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:57" (1/1) ... [2019-09-20 20:41:57,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:57" (1/1) ... [2019-09-20 20:41:57,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:41:57,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:41:57,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:41:57,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:41:57,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:41:57" (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 [2019-09-20 20:41:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:41:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:41:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-09-20 20:41:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 20:41:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 20:41:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-20 20:41:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-20 20:41:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-20 20:41:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-09-20 20:41:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-09-20 20:41:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-09-20 20:41:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-20 20:41:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-09-20 20:41:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2019-09-20 20:41:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2019-09-20 20:41:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2019-09-20 20:41:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2019-09-20 20:41:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2019-09-20 20:41:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2019-09-20 20:41:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2019-09-20 20:41:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_irq [2019-09-20 20:41:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_open [2019-09-20 20:41:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_close [2019-09-20 20:41:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_probe [2019-09-20 20:41:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_disconnect [2019-09-20 20:41:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_init [2019-09-20 20:41:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_exit [2019-09-20 20:41:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-09-20 20:41:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-09-20 20:41:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:41:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-20 20:41:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-09-20 20:41:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-09-20 20:41:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-20 20:41:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-20 20:41:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-20 20:41:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 20:41:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 20:41:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-20 20:41:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-20 20:41:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-09-20 20:41:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-09-20 20:41:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-09-20 20:41:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2019-09-20 20:41:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-09-20 20:41:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-09-20 20:41:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 20:41:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-09-20 20:41:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 20:41:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2019-09-20 20:41:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-20 20:41:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-20 20:41:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-20 20:41:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-20 20:41:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 20:41:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 20:41:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:41:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-09-20 20:41:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 20:41:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 20:41:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-20 20:41:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2019-09-20 20:41:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 20:41:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 20:41:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 20:41:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 20:41:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-09-20 20:41:57,417 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-09-20 20:41:57,417 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-20 20:41:57,417 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-20 20:41:57,417 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-20 20:41:57,417 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-20 20:41:57,417 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-20 20:41:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 20:41:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-09-20 20:41:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 20:41:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-20 20:41:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-09-20 20:41:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-20 20:41:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-09-20 20:41:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 20:41:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 20:41:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-20 20:41:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-20 20:41:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-20 20:41:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-20 20:41:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-09-20 20:41:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-20 20:41:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-20 20:41:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-09-20 20:41:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-09-20 20:41:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2019-09-20 20:41:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2019-09-20 20:41:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-09-20 20:41:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-09-20 20:41:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-09-20 20:41:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2019-09-20 20:41:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2019-09-20 20:41:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2019-09-20 20:41:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2019-09-20 20:41:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2019-09-20 20:41:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2019-09-20 20:41:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_irq [2019-09-20 20:41:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_open [2019-09-20 20:41:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_close [2019-09-20 20:41:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_probe [2019-09-20 20:41:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_disconnect [2019-09-20 20:41:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_init [2019-09-20 20:41:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_exit [2019-09-20 20:41:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 20:41:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-09-20 20:41:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 20:41:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 20:41:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:41:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-20 20:41:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-09-20 20:41:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-09-20 20:41:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 20:41:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 20:41:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 20:41:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 20:41:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 20:41:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:41:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 20:41:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 20:41:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:41:58,201 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 20:41:58,273 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-20 20:41:58,274 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-20 20:41:58,595 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 20:41:58,650 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 20:41:58,650 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 20:41:58,942 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-09-20 20:41:59,881 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:41:59,881 INFO L283 CfgBuilder]: Removed 7 assume(true) statements. [2019-09-20 20:41:59,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:41:59 BoogieIcfgContainer [2019-09-20 20:41:59,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:41:59,883 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:41:59,883 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:41:59,883 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:41:59,884 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:41:59" (1/1) ... [2019-09-20 20:41:59,885 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:41:59,907 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:41:59,907 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:41:59,916 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:41:59,925 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:41:59,927 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:42:09,431 WARN L191 SmtUtils]: Spent 9.39 s on a formula simplification that was a NOOP. DAG size: 788 [2019-09-20 20:42:18,315 WARN L191 SmtUtils]: Spent 8.88 s on a formula simplification that was a NOOP. DAG size: 788 [2019-09-20 20:42:34,805 WARN L191 SmtUtils]: Spent 15.91 s on a formula simplification that was a NOOP. DAG size: 828