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 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-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 02:26:01,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 02:26:01,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 02:26:01,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 02:26:01,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 02:26:01,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 02:26:01,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 02:26:01,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 02:26:01,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 02:26:01,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 02:26:01,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 02:26:01,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 02:26:01,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 02:26:01,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 02:26:01,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 02:26:01,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 02:26:01,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 02:26:01,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 02:26:01,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 02:26:01,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 02:26:01,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 02:26:01,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 02:26:01,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 02:26:01,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 02:26:01,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 02:26:01,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 02:26:01,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 02:26:01,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 02:26:01,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 02:26:01,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 02:26:01,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 02:26:01,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 02:26:02,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 02:26:02,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 02:26:02,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 02:26:02,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 02:26:02,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 02:26:02,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 02:26:02,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 02:26:02,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 02:26:02,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 02:26:02,007 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 [2019-10-14 02:26:02,044 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 02:26:02,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 02:26:02,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 02:26:02,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 02:26:02,049 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 02:26:02,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 02:26:02,050 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 02:26:02,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 02:26:02,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 02:26:02,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 02:26:02,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 02:26:02,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 02:26:02,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 02:26:02,051 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 02:26:02,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 02:26:02,054 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 02:26:02,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 02:26:02,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 02:26:02,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 02:26:02,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 02:26:02,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 02:26:02,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:26:02,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 02:26:02,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 02:26:02,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 02:26:02,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 02:26:02,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 02:26:02,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 02:26:02,057 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 [2019-10-14 02:26:02,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 02:26:02,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 02:26:02,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 02:26:02,400 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 02:26:02,401 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 02:26:02,402 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-10-14 02:26:02,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e2fca212/528bf72ef37f4406ad0a8e2e6b8e692a/FLAG106239fb5 [2019-10-14 02:26:03,194 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 02:26:03,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-10-14 02:26:03,224 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e2fca212/528bf72ef37f4406ad0a8e2e6b8e692a/FLAG106239fb5 [2019-10-14 02:26:03,303 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e2fca212/528bf72ef37f4406ad0a8e2e6b8e692a [2019-10-14 02:26:03,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 02:26:03,316 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 02:26:03,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 02:26:03,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 02:26:03,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 02:26:03,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:26:03" (1/1) ... [2019-10-14 02:26:03,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a415c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:26:03, skipping insertion in model container [2019-10-14 02:26:03,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:26:03" (1/1) ... [2019-10-14 02:26:03,337 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 02:26:03,486 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 02:26:04,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:26:04,508 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 02:26:04,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:26:04,733 INFO L192 MainTranslator]: Completed translation [2019-10-14 02:26:04,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:26:04 WrapperNode [2019-10-14 02:26:04,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 02:26:04,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 02:26:04,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 02:26:04,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 02:26:04,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:26:04" (1/1) ... [2019-10-14 02:26:04,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:26:04" (1/1) ... [2019-10-14 02:26:04,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:26:04" (1/1) ... [2019-10-14 02:26:04,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:26:04" (1/1) ... [2019-10-14 02:26:04,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:26:04" (1/1) ... [2019-10-14 02:26:04,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:26:04" (1/1) ... [2019-10-14 02:26:04,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:26:04" (1/1) ... [2019-10-14 02:26:04,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 02:26:04,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 02:26:04,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 02:26:04,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 02:26:04,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:26:04" (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 [2019-10-14 02:26:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 02:26:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 02:26:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 02:26:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-14 02:26:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-10-14 02:26:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2019-10-14 02:26:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-10-14 02:26:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-10-14 02:26:04,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-14 02:26:04,967 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2019-10-14 02:26:04,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-14 02:26:04,967 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-14 02:26:04,968 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-14 02:26:04,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 02:26:04,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-14 02:26:04,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-14 02:26:04,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-14 02:26:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-14 02:26:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-14 02:26:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-14 02:26:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-14 02:26:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-14 02:26:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-10-14 02:26:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2019-10-14 02:26:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2019-10-14 02:26:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2019-10-14 02:26:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2019-10-14 02:26:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2019-10-14 02:26:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2019-10-14 02:26:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acecad_irq [2019-10-14 02:26:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acecad_open [2019-10-14 02:26:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acecad_close [2019-10-14 02:26:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acecad_probe [2019-10-14 02:26:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acecad_disconnect [2019-10-14 02:26:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acecad_init [2019-10-14 02:26:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acecad_exit [2019-10-14 02:26:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-14 02:26:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 02:26:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-14 02:26:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_2 [2019-10-14 02:26:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2019-10-14 02:26:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2019-10-14 02:26:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_5 [2019-10-14 02:26:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_6 [2019-10-14 02:26:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_7 [2019-10-14 02:26:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_8 [2019-10-14 02:26:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_10 [2019-10-14 02:26:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_11 [2019-10-14 02:26:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 02:26:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-10-14 02:26:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-10-14 02:26:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-10-14 02:26:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-10-14 02:26:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-10-14 02:26:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-10-14 02:26:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-10-14 02:26:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-10-14 02:26:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-10-14 02:26:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-10-14 02:26:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-10-14 02:26:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-10-14 02:26:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-10-14 02:26:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-10-14 02:26:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-10-14 02:26:04,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 02:26:04,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-14 02:26:04,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-14 02:26:04,978 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-10-14 02:26:04,978 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-10-14 02:26:04,979 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-10-14 02:26:04,979 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2019-10-14 02:26:04,979 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-10-14 02:26:04,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 02:26:04,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-14 02:26:04,979 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2019-10-14 02:26:04,980 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-14 02:26:04,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-14 02:26:04,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-14 02:26:04,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-14 02:26:04,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-14 02:26:04,981 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-14 02:26:04,981 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-14 02:26:04,981 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 02:26:04,981 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 02:26:04,981 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-14 02:26:04,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-14 02:26:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 02:26:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-14 02:26:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-14 02:26:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 02:26:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-10-14 02:26:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2019-10-14 02:26:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-14 02:26:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-14 02:26:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-14 02:26:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-14 02:26:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-14 02:26:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-14 02:26:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2019-10-14 02:26:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-14 02:26:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-14 02:26:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_8 [2019-10-14 02:26:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_7 [2019-10-14 02:26:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-14 02:26:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-10-14 02:26:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 02:26:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 02:26:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-14 02:26:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_2 [2019-10-14 02:26:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-10-14 02:26:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-14 02:26:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_11 [2019-10-14 02:26:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_6 [2019-10-14 02:26:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_5 [2019-10-14 02:26:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_10 [2019-10-14 02:26:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2019-10-14 02:26:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2019-10-14 02:26:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-14 02:26:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-14 02:26:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-14 02:26:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-14 02:26:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2019-10-14 02:26:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-10-14 02:26:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-10-14 02:26:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-10-14 02:26:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-10-14 02:26:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-10-14 02:26:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-10-14 02:26:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-10-14 02:26:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 02:26:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 02:26:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-14 02:26:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-14 02:26:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-14 02:26:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 02:26:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 02:26:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 02:26:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 02:26:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 02:26:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 02:26:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 02:26:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-14 02:26:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-14 02:26:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-14 02:26:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-14 02:26:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-14 02:26:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-14 02:26:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-14 02:26:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-14 02:26:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-14 02:26:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-14 02:26:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-10-14 02:26:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-10-14 02:26:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2019-10-14 02:26:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2019-10-14 02:26:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-10-14 02:26:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-10-14 02:26:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-10-14 02:26:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2019-10-14 02:26:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2019-10-14 02:26:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2019-10-14 02:26:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2019-10-14 02:26:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2019-10-14 02:26:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 02:26:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acecad_irq [2019-10-14 02:26:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acecad_open [2019-10-14 02:26:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 02:26:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acecad_close [2019-10-14 02:26:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acecad_probe [2019-10-14 02:26:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acecad_disconnect [2019-10-14 02:26:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acecad_init [2019-10-14 02:26:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acecad_exit [2019-10-14 02:26:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 02:26:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 02:26:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 02:26:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 02:26:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-10-14 02:26:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-10-14 02:26:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 02:26:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-10-14 02:26:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-10-14 02:26:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-10-14 02:26:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-10-14 02:26:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-10-14 02:26:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-10-14 02:26:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 02:26:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 02:26:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 02:26:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 02:26:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 02:26:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 02:26:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 02:26:05,664 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-14 02:26:07,217 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 02:26:07,217 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 02:26:07,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:26:07 BoogieIcfgContainer [2019-10-14 02:26:07,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 02:26:07,220 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 02:26:07,220 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 02:26:07,220 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 02:26:07,222 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:26:07" (1/1) ... [2019-10-14 02:26:07,222 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-14 02:26:07,249 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 02:26:07,250 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 02:26:07,266 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 02:26:07,278 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 02:26:07,280 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 02:26:08,615 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2019-10-14 02:26:09,243 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-10-14 02:26:09,392 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-10-14 02:26:09,527 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-10-14 02:26:09,894 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-14 02:26:09,931 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 727 for LOIs [2019-10-14 02:26:11,160 WARN L191 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2019-10-14 02:26:11,539 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 813 [2019-10-14 02:26:11,910 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 784 [2019-10-14 02:26:13,559 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 586 [2019-10-14 02:26:14,439 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 769 [2019-10-14 02:26:14,959 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 769 [2019-10-14 02:26:15,773 WARN L191 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 825 DAG size of output: 825 [2019-10-14 02:26:16,313 WARN L191 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 828 [2019-10-14 02:26:16,621 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2019-10-14 02:26:16,806 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 282 [2019-10-14 02:26:17,205 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 840 [2019-10-14 02:26:17,537 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 268 [2019-10-14 02:26:17,708 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2019-10-14 02:26:17,891 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-10-14 02:26:18,096 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 269 [2019-10-14 02:26:18,208 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 269 [2019-10-14 02:26:18,663 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2019-10-14 02:26:18,940 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 279 [2019-10-14 02:26:18,971 WARN L98 DagInterpreter]: A function never reaches its return [2019-10-14 02:26:19,307 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 02:26:19,342 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 02:26:19,360 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 02:26:21,752 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 119 [2019-10-14 02:26:22,551 WARN L191 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 112