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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:45:24,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:45:24,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:45:24,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:45:24,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:45:24,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:45:24,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:45:24,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:45:24,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:45:24,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:45:24,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:45:24,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:45:24,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:45:24,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:45:24,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:45:24,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:45:24,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:45:24,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:45:24,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:45:24,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:45:24,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:45:24,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:45:24,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:45:24,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:45:24,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:45:24,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:45:24,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:45:24,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:45:24,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:45:24,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:45:24,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:45:24,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:45:24,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:45:24,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:45:24,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:45:24,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:45:24,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:45:24,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:45:24,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:45:24,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:45:24,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:45:24,683 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 21:45:24,701 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:45:24,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:45:24,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:45:24,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:45:24,706 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:45:24,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:45:24,707 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:45:24,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:45:24,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:45:24,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:45:24,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:45:24,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:45:24,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:45:24,709 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:45:24,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:45:24,709 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:45:24,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:45:24,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:45:24,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:45:24,710 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:45:24,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:45:24,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:45:24,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:45:24,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:45:24,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:45:24,711 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:45:24,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:45:24,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:45:24,712 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 -> InterpretCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 21:45:24,760 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:45:24,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:45:24,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:45:24,784 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:45:24,787 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:45:24,788 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i [2019-09-20 21:45:24,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef1fbcdd7/ca74fc291fc145548ad49166c6fa7eba/FLAGad9b13091 [2019-09-20 21:45:25,680 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:45:25,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i [2019-09-20 21:45:25,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef1fbcdd7/ca74fc291fc145548ad49166c6fa7eba/FLAGad9b13091 [2019-09-20 21:45:26,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef1fbcdd7/ca74fc291fc145548ad49166c6fa7eba [2019-09-20 21:45:26,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:45:26,231 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:45:26,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:45:26,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:45:26,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:45:26,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:45:26" (1/1) ... [2019-09-20 21:45:26,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32400a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:26, skipping insertion in model container [2019-09-20 21:45:26,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:45:26" (1/1) ... [2019-09-20 21:45:26,248 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:45:26,376 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:45:27,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:45:27,661 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:45:27,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:45:28,218 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:45:28,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:28 WrapperNode [2019-09-20 21:45:28,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:45:28,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:45:28,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:45:28,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:45:28,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:28" (1/1) ... [2019-09-20 21:45:28,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:28" (1/1) ... [2019-09-20 21:45:28,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:28" (1/1) ... [2019-09-20 21:45:28,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:28" (1/1) ... [2019-09-20 21:45:28,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:28" (1/1) ... [2019-09-20 21:45:28,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:28" (1/1) ... [2019-09-20 21:45:28,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:28" (1/1) ... [2019-09-20 21:45:28,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:45:28,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:45:28,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:45:28,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:45:28,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:45:28,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:45:28,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:45:28,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-09-20 21:45:28,583 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-09-20 21:45:28,583 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-20 21:45:28,584 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-20 21:45:28,584 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-20 21:45:28,584 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-09-20 21:45:28,584 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-09-20 21:45:28,584 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-09-20 21:45:28,584 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 21:45:28,585 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-20 21:45:28,585 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-20 21:45:28,585 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-20 21:45:28,585 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-09-20 21:45:28,585 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-09-20 21:45:28,586 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-09-20 21:45:28,586 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2019-09-20 21:45:28,586 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2019-09-20 21:45:28,587 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-20 21:45:28,588 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-20 21:45:28,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-20 21:45:28,588 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-09-20 21:45:28,588 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-09-20 21:45:28,588 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-09-20 21:45:28,589 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-20 21:45:28,589 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-20 21:45:28,589 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-20 21:45:28,590 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-09-20 21:45:28,590 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-09-20 21:45:28,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-20 21:45:28,590 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 21:45:28,591 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 21:45:28,591 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-09-20 21:45:28,591 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_report [2019-09-20 21:45:28,591 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_report [2019-09-20 21:45:28,592 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_callback [2019-09-20 21:45:28,592 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_write_callback [2019-09-20 21:45:28,592 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_delete [2019-09-20 21:45:28,592 INFO L138 BoogieDeclarations]: Found implementation of procedure read_index [2019-09-20 21:45:28,592 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_read [2019-09-20 21:45:28,635 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_write [2019-09-20 21:45:28,635 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_ioctl [2019-09-20 21:45:28,636 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_open [2019-09-20 21:45:28,636 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_release [2019-09-20 21:45:28,636 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_poll [2019-09-20 21:45:28,637 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_devnode [2019-09-20 21:45:28,637 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_probe [2019-09-20 21:45:28,637 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_disconnect [2019-09-20 21:45:28,637 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_init [2019-09-20 21:45:28,637 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_exit [2019-09-20 21:45:28,637 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-09-20 21:45:28,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-09-20 21:45:28,638 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:45:28,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-20 21:45:28,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-09-20 21:45:28,638 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-09-20 21:45:28,638 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-20 21:45:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-20 21:45:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-20 21:45:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 21:45:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-20 21:45:28,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 21:45:28,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-20 21:45:28,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 21:45:28,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-20 21:45:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-20 21:45:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-20 21:45:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-20 21:45:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-20 21:45:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-20 21:45:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-20 21:45:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-20 21:45:28,644 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-20 21:45:28,644 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-09-20 21:45:28,644 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2019-09-20 21:45:28,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-09-20 21:45:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 21:45:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-09-20 21:45:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-20 21:45:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-20 21:45:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 21:45:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-09-20 21:45:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 21:45:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-09-20 21:45:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-20 21:45:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-20 21:45:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2019-09-20 21:45:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2019-09-20 21:45:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-20 21:45:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2019-09-20 21:45:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-20 21:45:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2019-09-20 21:45:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-20 21:45:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-09-20 21:45:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-09-20 21:45:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 21:45:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 21:45:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 21:45:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 21:45:28,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:45:28,652 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-09-20 21:45:28,652 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 21:45:28,652 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-09-20 21:45:28,652 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-20 21:45:28,653 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2019-09-20 21:45:28,653 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-20 21:45:28,653 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-20 21:45:28,653 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 21:45:28,653 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 21:45:28,653 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-09-20 21:45:28,653 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-20 21:45:28,654 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-20 21:45:28,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 21:45:28,655 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-20 21:45:28,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 21:45:28,655 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-09-20 21:45:28,655 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-09-20 21:45:28,655 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-09-20 21:45:28,655 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 21:45:28,657 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-20 21:45:28,657 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-20 21:45:28,657 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 21:45:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-20 21:45:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-20 21:45:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-20 21:45:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-20 21:45:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-09-20 21:45:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-09-20 21:45:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-09-20 21:45:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-20 21:45:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-20 21:45:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 21:45:28,663 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 21:45:28,663 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-20 21:45:28,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 21:45:28,663 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-09-20 21:45:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-09-20 21:45:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-09-20 21:45:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-09-20 21:45:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-09-20 21:45:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2019-09-20 21:45:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2019-09-20 21:45:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-20 21:45:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-20 21:45:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-20 21:45:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 21:45:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-20 21:45:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-20 21:45:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-20 21:45:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-20 21:45:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-20 21:45:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-20 21:45:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-09-20 21:45:28,669 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-09-20 21:45:28,669 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-09-20 21:45:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-09-20 21:45:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-09-20 21:45:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-20 21:45:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-20 21:45:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-20 21:45:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2019-09-20 21:45:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-20 21:45:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-09-20 21:45:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-20 21:45:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2019-09-20 21:45:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2019-09-20 21:45:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-09-20 21:45:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 21:45:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-20 21:45:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-20 21:45:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-20 21:45:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-20 21:45:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-09-20 21:45:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-20 21:45:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-20 21:45:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2019-09-20 21:45:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-20 21:45:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 21:45:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 21:45:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 21:45:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-09-20 21:45:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-09-20 21:45:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_report [2019-09-20 21:45:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_report [2019-09-20 21:45:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_callback [2019-09-20 21:45:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 21:45:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_write_callback [2019-09-20 21:45:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_delete [2019-09-20 21:45:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure read_index [2019-09-20 21:45:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_read [2019-09-20 21:45:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 21:45:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_write [2019-09-20 21:45:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_ioctl [2019-09-20 21:45:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 21:45:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_open [2019-09-20 21:45:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_release [2019-09-20 21:45:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_poll [2019-09-20 21:45:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_devnode [2019-09-20 21:45:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_probe [2019-09-20 21:45:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_disconnect [2019-09-20 21:45:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_init [2019-09-20 21:45:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_exit [2019-09-20 21:45:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 21:45:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-09-20 21:45:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 21:45:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:45:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:45:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-20 21:45:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-09-20 21:45:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-09-20 21:45:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 21:45:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 21:45:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 21:45:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 21:45:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:45:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 21:45:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 21:45:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:45:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 21:45:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 21:45:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 21:45:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 21:45:29,773 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:45:29,787 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 21:45:29,787 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 21:45:29,834 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:45:30,058 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2019-09-20 21:45:30,058 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2019-09-20 21:45:30,171 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-09-20 21:45:31,938 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:45:31,995 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##36: assume !false; [2019-09-20 21:45:31,995 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume false; [2019-09-20 21:45:32,082 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:45:32,272 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2019-09-20 21:45:32,272 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2019-09-20 21:45:32,399 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:45:32,451 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 21:45:32,451 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 21:45:35,102 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:45:35,102 INFO L283 CfgBuilder]: Removed 27 assume(true) statements. [2019-09-20 21:45:35,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:45:35 BoogieIcfgContainer [2019-09-20 21:45:35,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:45:35,105 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:45:35,105 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:45:35,105 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:45:35,106 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:45:35" (1/1) ... [2019-09-20 21:45:35,107 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:45:35,131 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:45:35,131 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:45:35,144 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:45:35,153 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:45:35,155 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs