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_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-fea9116 [2019-09-21 09:06:12,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:06:12,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:06:12,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:06:12,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:06:12,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:06:12,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:06:12,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:06:12,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:06:12,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:06:12,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:06:12,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:06:12,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:06:12,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:06:12,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:06:12,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:06:12,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:06:12,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:06:12,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:06:12,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:06:12,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:06:12,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:06:12,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:06:12,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:06:12,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:06:12,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:06:12,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:06:12,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:06:12,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:06:12,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:06:12,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:06:12,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:06:12,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:06:12,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:06:12,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:06:12,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:06:12,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:06:12,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:06:12,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:06:12,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:06:12,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:06:12,363 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 [2019-09-21 09:06:12,378 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:06:12,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:06:12,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:06:12,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:06:12,381 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:06:12,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:06:12,381 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:06:12,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:06:12,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:06:12,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:06:12,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:06:12,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:06:12,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:06:12,383 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:06:12,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:06:12,383 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:06:12,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:06:12,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:06:12,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:06:12,384 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:06:12,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:06:12,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:06:12,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:06:12,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:06:12,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:06:12,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:06:12,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:06:12,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:06:12,386 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_QUICK [2019-09-21 09:06:12,434 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:06:12,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:06:12,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:06:12,461 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:06:12,461 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:06:12,462 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-09-21 09:06:12,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60563fb6e/d0621c897fe14679a06830cc8d82535e/FLAGb859826ca [2019-09-21 09:06:13,333 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:06:13,334 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-09-21 09:06:13,362 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60563fb6e/d0621c897fe14679a06830cc8d82535e/FLAGb859826ca [2019-09-21 09:06:13,420 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60563fb6e/d0621c897fe14679a06830cc8d82535e [2019-09-21 09:06:13,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:06:13,432 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:06:13,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:06:13,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:06:13,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:06:13,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:06:13" (1/1) ... [2019-09-21 09:06:13,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@521750fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:06:13, skipping insertion in model container [2019-09-21 09:06:13,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:06:13" (1/1) ... [2019-09-21 09:06:13,447 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:06:13,528 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:06:14,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:06:14,781 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:06:15,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:06:15,140 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:06:15,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:06:15 WrapperNode [2019-09-21 09:06:15,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:06:15,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:06:15,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:06:15,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:06:15,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:06:15" (1/1) ... [2019-09-21 09:06:15,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:06:15" (1/1) ... [2019-09-21 09:06:15,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:06:15" (1/1) ... [2019-09-21 09:06:15,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:06:15" (1/1) ... [2019-09-21 09:06:15,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:06:15" (1/1) ... [2019-09-21 09:06:15,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:06:15" (1/1) ... [2019-09-21 09:06:15,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:06:15" (1/1) ... [2019-09-21 09:06:15,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:06:15,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:06:15,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:06:15,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:06:15,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:06:15" (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 [2019-09-21 09:06:15,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:06:15,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:06:15,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-21 09:06:15,435 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-09-21 09:06:15,436 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-09-21 09:06:15,436 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2019-09-21 09:06:15,436 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-09-21 09:06:15,436 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-09-21 09:06:15,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-21 09:06:15,437 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2019-09-21 09:06:15,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-21 09:06:15,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-21 09:06:15,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-21 09:06:15,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-21 09:06:15,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-21 09:06:15,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-21 09:06:15,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-21 09:06:15,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-21 09:06:15,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-21 09:06:15,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-21 09:06:15,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-21 09:06:15,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-21 09:06:15,442 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-09-21 09:06:15,443 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2019-09-21 09:06:15,443 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2019-09-21 09:06:15,443 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2019-09-21 09:06:15,443 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2019-09-21 09:06:15,444 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2019-09-21 09:06:15,444 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2019-09-21 09:06:15,444 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acecad_irq [2019-09-21 09:06:15,444 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acecad_open [2019-09-21 09:06:15,445 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acecad_close [2019-09-21 09:06:15,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acecad_probe [2019-09-21 09:06:15,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acecad_disconnect [2019-09-21 09:06:15,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acecad_init [2019-09-21 09:06:15,448 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acecad_exit [2019-09-21 09:06:15,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-09-21 09:06:15,448 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:06:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-21 09:06:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_2 [2019-09-21 09:06:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2019-09-21 09:06:15,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2019-09-21 09:06:15,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_5 [2019-09-21 09:06:15,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_6 [2019-09-21 09:06:15,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_7 [2019-09-21 09:06:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_8 [2019-09-21 09:06:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_10 [2019-09-21 09:06:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_11 [2019-09-21 09:06:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-21 09:06:15,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-09-21 09:06:15,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-09-21 09:06:15,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-09-21 09:06:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-09-21 09:06:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-09-21 09:06:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-09-21 09:06:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-09-21 09:06:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-09-21 09:06:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-09-21 09:06:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-09-21 09:06:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-09-21 09:06:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-09-21 09:06:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-09-21 09:06:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-09-21 09:06:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-09-21 09:06:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-21 09:06:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-21 09:06:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-21 09:06:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-09-21 09:06:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-09-21 09:06:15,457 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-09-21 09:06:15,457 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2019-09-21 09:06:15,457 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-09-21 09:06:15,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-21 09:06:15,458 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-21 09:06:15,458 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2019-09-21 09:06:15,458 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-09-21 09:06:15,459 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-09-21 09:06:15,459 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-21 09:06:15,459 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-21 09:06:15,460 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-21 09:06:15,460 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-21 09:06:15,461 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-21 09:06:15,462 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-21 09:06:15,462 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-21 09:06:15,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-21 09:06:15,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-21 09:06:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:06:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-21 09:06:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-09-21 09:06:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:06:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-09-21 09:06:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2019-09-21 09:06:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-21 09:06:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-21 09:06:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-21 09:06:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-21 09:06:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-21 09:06:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-09-21 09:06:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2019-09-21 09:06:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-21 09:06:15,468 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-21 09:06:15,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_8 [2019-09-21 09:06:15,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_7 [2019-09-21 09:06:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-21 09:06:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-09-21 09:06:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:06:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:06:15,470 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-21 09:06:15,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_2 [2019-09-21 09:06:15,470 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-09-21 09:06:15,470 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-21 09:06:15,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_11 [2019-09-21 09:06:15,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_6 [2019-09-21 09:06:15,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_5 [2019-09-21 09:06:15,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_10 [2019-09-21 09:06:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2019-09-21 09:06:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2019-09-21 09:06:15,473 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-21 09:06:15,473 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-09-21 09:06:15,473 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-21 09:06:15,474 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-21 09:06:15,474 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2019-09-21 09:06:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-09-21 09:06:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-09-21 09:06:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-09-21 09:06:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-09-21 09:06:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-09-21 09:06:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-09-21 09:06:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-09-21 09:06:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-21 09:06:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-21 09:06:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-21 09:06:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-21 09:06:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-21 09:06:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:06:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-21 09:06:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:06:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-21 09:06:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-21 09:06:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:06:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:06:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-21 09:06:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-21 09:06:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-21 09:06:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-21 09:06:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-21 09:06:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-21 09:06:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-21 09:06:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-21 09:06:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-21 09:06:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-09-21 09:06:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-09-21 09:06:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-09-21 09:06:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2019-09-21 09:06:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2019-09-21 09:06:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-09-21 09:06:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-09-21 09:06:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-09-21 09:06:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2019-09-21 09:06:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2019-09-21 09:06:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2019-09-21 09:06:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2019-09-21 09:06:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2019-09-21 09:06:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:06:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acecad_irq [2019-09-21 09:06:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acecad_open [2019-09-21 09:06:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:06:15,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acecad_close [2019-09-21 09:06:15,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acecad_probe [2019-09-21 09:06:15,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acecad_disconnect [2019-09-21 09:06:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acecad_init [2019-09-21 09:06:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acecad_exit [2019-09-21 09:06:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-21 09:06:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-21 09:06:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:06:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-21 09:06:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-09-21 09:06:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-09-21 09:06:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-21 09:06:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-09-21 09:06:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-09-21 09:06:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-09-21 09:06:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-09-21 09:06:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-09-21 09:06:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-09-21 09:06:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-21 09:06:15,507 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:06:15,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:06:15,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:06:15,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 09:06:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-21 09:06:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:06:16,345 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-21 09:06:18,062 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:06:18,062 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-21 09:06:18,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:06:18 BoogieIcfgContainer [2019-09-21 09:06:18,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:06:18,064 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:06:18,064 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:06:18,065 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:06:18,066 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:06:18" (1/1) ... [2019-09-21 09:06:18,067 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:06:18,095 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:06:18,095 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:06:18,106 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:06:18,115 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:06:18,116 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:06:19,376 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2019-09-21 09:06:20,015 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-09-21 09:06:20,176 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-09-21 09:06:20,319 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-09-21 09:06:20,349 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 639 for LOIs [2019-09-21 09:06:21,652 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2019-09-21 09:06:22,043 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 735 [2019-09-21 09:06:22,371 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 706 [2019-09-21 09:06:24,259 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 508 [2019-09-21 09:06:24,881 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 679 [2019-09-21 09:06:25,297 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 679 [2019-09-21 09:06:25,907 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 686 DAG size of output: 679 [2019-09-21 09:06:26,116 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 704 [2019-09-21 09:06:26,253 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 704 [2019-09-21 09:06:26,696 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 721 [2019-09-21 09:06:26,950 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 721 [2019-09-21 09:06:27,375 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 729 DAG size of output: 722 [2019-09-21 09:06:27,517 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-21 09:06:27,997 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:06:28,005 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:06:28,011 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:06:28,620 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2019-09-21 09:06:28,864 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-21 09:06:50,538 WARN L191 SmtUtils]: Spent 21.42 s on a formula simplification. DAG size of input: 493 DAG size of output: 463