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 TopInputCallSummarizer --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-efa34d5 [2019-09-16 20:26:47,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 20:26:47,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 20:26:47,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 20:26:47,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 20:26:47,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 20:26:47,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 20:26:47,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 20:26:47,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 20:26:47,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 20:26:47,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 20:26:47,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 20:26:47,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 20:26:47,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 20:26:47,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 20:26:47,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 20:26:47,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 20:26:47,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 20:26:47,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 20:26:47,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 20:26:47,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 20:26:47,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 20:26:47,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 20:26:47,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 20:26:47,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 20:26:47,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 20:26:47,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 20:26:47,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 20:26:47,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 20:26:47,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 20:26:47,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 20:26:47,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 20:26:47,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 20:26:47,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 20:26:47,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 20:26:47,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 20:26:47,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 20:26:47,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 20:26:47,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 20:26:47,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 20:26:47,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 20:26:47,272 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 [2019-09-16 20:26:47,286 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 20:26:47,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 20:26:47,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 20:26:47,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 20:26:47,288 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 20:26:47,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 20:26:47,289 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 20:26:47,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 20:26:47,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 20:26:47,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 20:26:47,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 20:26:47,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 20:26:47,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 20:26:47,290 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 20:26:47,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 20:26:47,290 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 20:26:47,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 20:26:47,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 20:26:47,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 20:26:47,291 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 20:26:47,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 20:26:47,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 20:26:47,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 20:26:47,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 20:26:47,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 20:26:47,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 20:26:47,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 20:26:47,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 20:26:47,293 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 -> 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-16 20:26:47,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 20:26:47,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 20:26:47,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 20:26:47,341 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 20:26:47,341 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 20:26:47,342 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2019-09-16 20:26:47,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4a8d324f/970333ea288249bbb1eca3f3680c555c/FLAGf7fe84650 [2019-09-16 20:26:48,089 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 20:26:48,089 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2019-09-16 20:26:48,123 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4a8d324f/970333ea288249bbb1eca3f3680c555c/FLAGf7fe84650 [2019-09-16 20:26:48,226 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4a8d324f/970333ea288249bbb1eca3f3680c555c [2019-09-16 20:26:48,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 20:26:48,238 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 20:26:48,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 20:26:48,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 20:26:48,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 20:26:48,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 08:26:48" (1/1) ... [2019-09-16 20:26:48,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30f3d585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:26:48, skipping insertion in model container [2019-09-16 20:26:48,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 08:26:48" (1/1) ... [2019-09-16 20:26:48,254 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 20:26:48,346 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 20:26:49,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 20:26:49,475 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 20:26:49,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 20:26:49,683 INFO L192 MainTranslator]: Completed translation [2019-09-16 20:26:49,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:26:49 WrapperNode [2019-09-16 20:26:49,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 20:26:49,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 20:26:49,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 20:26:49,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 20:26:49,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:26:49" (1/1) ... [2019-09-16 20:26:49,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:26:49" (1/1) ... [2019-09-16 20:26:49,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:26:49" (1/1) ... [2019-09-16 20:26:49,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:26:49" (1/1) ... [2019-09-16 20:26:49,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:26:49" (1/1) ... [2019-09-16 20:26:49,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:26:49" (1/1) ... [2019-09-16 20:26:49,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:26:49" (1/1) ... [2019-09-16 20:26:49,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 20:26:49,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 20:26:49,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 20:26:49,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 20:26:49,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:26:49" (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 [2019-09-16 20:26:49,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 20:26:49,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 20:26:49,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-09-16 20:26:49,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-16 20:26:49,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-16 20:26:49,926 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-16 20:26:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-16 20:26:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-16 20:26:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-09-16 20:26:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-09-16 20:26:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-09-16 20:26:49,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-16 20:26:49,928 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-09-16 20:26:49,928 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2019-09-16 20:26:49,928 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2019-09-16 20:26:49,929 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2019-09-16 20:26:49,929 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2019-09-16 20:26:49,929 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2019-09-16 20:26:49,929 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2019-09-16 20:26:49,930 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2019-09-16 20:26:49,930 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_irq [2019-09-16 20:26:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_open [2019-09-16 20:26:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_close [2019-09-16 20:26:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_probe [2019-09-16 20:26:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_disconnect [2019-09-16 20:26:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_init [2019-09-16 20:26:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_exit [2019-09-16 20:26:49,932 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-09-16 20:26:49,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-09-16 20:26:49,932 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 20:26:49,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-16 20:26:49,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-09-16 20:26:49,932 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-09-16 20:26:49,933 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-16 20:26:49,933 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-16 20:26:49,933 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-16 20:26:49,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-16 20:26:49,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-16 20:26:49,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-16 20:26:49,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-16 20:26:49,934 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-09-16 20:26:49,934 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-09-16 20:26:49,934 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-09-16 20:26:49,934 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2019-09-16 20:26:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-09-16 20:26:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-09-16 20:26:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-16 20:26:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-09-16 20:26:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-16 20:26:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2019-09-16 20:26:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-16 20:26:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-16 20:26:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-16 20:26:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-16 20:26:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-16 20:26:49,937 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-16 20:26:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 20:26:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-09-16 20:26:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 20:26:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-16 20:26:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-16 20:26:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2019-09-16 20:26:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-16 20:26:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-16 20:26:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-16 20:26:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-16 20:26:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-09-16 20:26:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-09-16 20:26:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-16 20:26:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-16 20:26:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-16 20:26:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-16 20:26:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-16 20:26:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 20:26:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-09-16 20:26:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 20:26:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-16 20:26:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-09-16 20:26:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-16 20:26:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-09-16 20:26:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 20:26:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 20:26:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-16 20:26:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-16 20:26:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-16 20:26:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-16 20:26:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-09-16 20:26:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-16 20:26:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-16 20:26:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-09-16 20:26:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-09-16 20:26:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2019-09-16 20:26:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2019-09-16 20:26:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-09-16 20:26:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-09-16 20:26:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-09-16 20:26:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2019-09-16 20:26:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2019-09-16 20:26:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2019-09-16 20:26:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2019-09-16 20:26:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2019-09-16 20:26:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2019-09-16 20:26:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_irq [2019-09-16 20:26:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_open [2019-09-16 20:26:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_close [2019-09-16 20:26:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_probe [2019-09-16 20:26:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_disconnect [2019-09-16 20:26:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_init [2019-09-16 20:26:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_exit [2019-09-16 20:26:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-16 20:26:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-09-16 20:26:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-16 20:26:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 20:26:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 20:26:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-16 20:26:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-09-16 20:26:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-09-16 20:26:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-16 20:26:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-16 20:26:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-16 20:26:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 20:26:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 20:26:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 20:26:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 20:26:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-16 20:26:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 20:26:50,624 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 20:26:50,729 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-16 20:26:50,730 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-16 20:26:51,057 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 20:26:51,104 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-16 20:26:51,104 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-16 20:26:51,291 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-09-16 20:26:52,295 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 20:26:52,296 INFO L283 CfgBuilder]: Removed 7 assume(true) statements. [2019-09-16 20:26:52,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 08:26:52 BoogieIcfgContainer [2019-09-16 20:26:52,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 20:26:52,298 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 20:26:52,298 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 20:26:52,298 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 20:26:52,299 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 08:26:52" (1/1) ... [2019-09-16 20:26:52,300 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-16 20:26:52,324 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 20:26:52,325 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 20:26:52,346 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 20:26:52,357 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 20:26:52,362 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 20:27:13,791 WARN L191 SmtUtils]: Spent 17.98 s on a formula simplification that was a NOOP. DAG size: 792 [2019-09-16 20:27:32,502 WARN L191 SmtUtils]: Spent 18.55 s on a formula simplification that was a NOOP. DAG size: 802 [2019-09-16 20:27:51,118 WARN L191 SmtUtils]: Spent 18.38 s on a formula simplification that was a NOOP. DAG size: 848 [2019-09-16 20:28:06,181 WARN L191 SmtUtils]: Spent 14.87 s on a formula simplification that was a NOOP. DAG size: 899 [2019-09-16 20:28:20,339 WARN L191 SmtUtils]: Spent 14.07 s on a formula simplification that was a NOOP. DAG size: 928 [2019-09-16 20:28:30,982 WARN L191 SmtUtils]: Spent 10.53 s on a formula simplification that was a NOOP. DAG size: 966 [2019-09-16 20:28:46,192 WARN L191 SmtUtils]: Spent 14.79 s on a formula simplification. DAG size of input: 957 DAG size of output: 933 [2019-09-16 20:28:53,444 WARN L191 SmtUtils]: Spent 7.24 s on a formula simplification that was a NOOP. DAG size: 933 [2019-09-16 20:29:00,636 WARN L191 SmtUtils]: Spent 7.19 s on a formula simplification that was a NOOP. DAG size: 933 [2019-09-16 20:29:00,663 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 949 for LOIs [2019-09-16 20:29:16,374 WARN L191 SmtUtils]: Spent 15.46 s on a formula simplification. DAG size of input: 964 DAG size of output: 961 [2019-09-16 20:29:24,085 WARN L191 SmtUtils]: Spent 7.71 s on a formula simplification that was a NOOP. DAG size: 961 [2019-09-16 20:29:24,283 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-16 20:29:40,177 WARN L191 SmtUtils]: Spent 15.51 s on a formula simplification. DAG size of input: 970 DAG size of output: 963 [2019-09-16 20:29:47,815 WARN L191 SmtUtils]: Spent 7.64 s on a formula simplification that was a NOOP. DAG size: 963 [2019-09-16 20:30:33,926 WARN L191 SmtUtils]: Spent 46.11 s on a formula simplification. DAG size of input: 971 DAG size of output: 967 [2019-09-16 20:30:41,751 WARN L191 SmtUtils]: Spent 7.82 s on a formula simplification that was a NOOP. DAG size: 967 [2019-09-16 20:30:49,515 WARN L191 SmtUtils]: Spent 7.76 s on a formula simplification that was a NOOP. DAG size: 967 [2019-09-16 20:30:57,297 WARN L191 SmtUtils]: Spent 7.78 s on a formula simplification that was a NOOP. DAG size: 967 [2019-09-16 20:31:05,058 WARN L191 SmtUtils]: Spent 7.75 s on a formula simplification that was a NOOP. DAG size: 965 [2019-09-16 20:31:12,767 WARN L191 SmtUtils]: Spent 7.71 s on a formula simplification that was a NOOP. DAG size: 965 [2019-09-16 20:31:13,432 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-16 20:31:14,082 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-16 20:31:14,817 WARN L191 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-16 20:31:16,341 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 101 [2019-09-16 20:31:19,641 WARN L191 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 112 DAG size of output: 102 [2019-09-16 20:31:22,622 WARN L191 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 111 DAG size of output: 101 [2019-09-16 20:31:23,057 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-16 20:31:23,188 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 49 [2019-09-16 20:31:23,350 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-16 20:31:23,494 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 52 [2019-09-16 20:31:23,726 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-16 20:31:23,893 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-16 20:31:24,017 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-16 20:31:45,980 WARN L191 SmtUtils]: Spent 21.53 s on a formula simplification. DAG size of input: 493 DAG size of output: 463