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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 15:12:05,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 15:12:05,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 15:12:05,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 15:12:05,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 15:12:05,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 15:12:05,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 15:12:05,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 15:12:05,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 15:12:05,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 15:12:05,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 15:12:05,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 15:12:05,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 15:12:05,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 15:12:05,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 15:12:05,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 15:12:05,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 15:12:05,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 15:12:05,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 15:12:05,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 15:12:05,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 15:12:05,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 15:12:05,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 15:12:05,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 15:12:05,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 15:12:05,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 15:12:05,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 15:12:05,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 15:12:05,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 15:12:05,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 15:12:05,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 15:12:05,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 15:12:05,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 15:12:05,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 15:12:05,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 15:12:05,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 15:12:05,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 15:12:05,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 15:12:05,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 15:12:05,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 15:12:05,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 15:12:05,597 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 [2019-09-18 15:12:05,611 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 15:12:05,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 15:12:05,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 15:12:05,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 15:12:05,613 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 15:12:05,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 15:12:05,613 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 15:12:05,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 15:12:05,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 15:12:05,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 15:12:05,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 15:12:05,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 15:12:05,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 15:12:05,615 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 15:12:05,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 15:12:05,615 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 15:12:05,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 15:12:05,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 15:12:05,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 15:12:05,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 15:12:05,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 15:12:05,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 15:12:05,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 15:12:05,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 15:12:05,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 15:12:05,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 15:12:05,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 15:12:05,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 15:12:05,618 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 15:12:05,662 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 15:12:05,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 15:12:05,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 15:12:05,688 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 15:12:05,688 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 15:12:05,689 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2019-09-18 15:12:05,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a79e76f0c/eec4543466d14d9a80edc1f0e6f41143/FLAG0edbdb9e0 [2019-09-18 15:12:06,527 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 15:12:06,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2019-09-18 15:12:06,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a79e76f0c/eec4543466d14d9a80edc1f0e6f41143/FLAG0edbdb9e0 [2019-09-18 15:12:06,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a79e76f0c/eec4543466d14d9a80edc1f0e6f41143 [2019-09-18 15:12:06,625 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 15:12:06,626 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 15:12:06,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 15:12:06,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 15:12:06,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 15:12:06,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:12:06" (1/1) ... [2019-09-18 15:12:06,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a2116b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:06, skipping insertion in model container [2019-09-18 15:12:06,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:12:06" (1/1) ... [2019-09-18 15:12:06,642 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 15:12:06,751 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 15:12:07,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 15:12:07,878 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 15:12:08,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 15:12:08,296 INFO L192 MainTranslator]: Completed translation [2019-09-18 15:12:08,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:08 WrapperNode [2019-09-18 15:12:08,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 15:12:08,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 15:12:08,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 15:12:08,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 15:12:08,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:08" (1/1) ... [2019-09-18 15:12:08,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:08" (1/1) ... [2019-09-18 15:12:08,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:08" (1/1) ... [2019-09-18 15:12:08,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:08" (1/1) ... [2019-09-18 15:12:08,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:08" (1/1) ... [2019-09-18 15:12:08,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:08" (1/1) ... [2019-09-18 15:12:08,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:08" (1/1) ... [2019-09-18 15:12:08,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 15:12:08,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 15:12:08,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 15:12:08,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 15:12:08,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:08" (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 [2019-09-18 15:12:08,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 15:12:08,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 15:12:08,664 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-18 15:12:08,664 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-18 15:12:08,665 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-18 15:12:08,666 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-18 15:12:08,666 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-09-18 15:12:08,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-09-18 15:12:08,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-18 15:12:08,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-18 15:12:08,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2019-09-18 15:12:08,668 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_usb_dump_class_desc [2019-09-18 15:12:08,668 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_usb_find_class_desc [2019-09-18 15:12:08,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_xbof_change [2019-09-18 15:12:08,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_startup [2019-09-18 15:12:08,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_open [2019-09-18 15:12:08,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_prepare_write_buffer [2019-09-18 15:12:08,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_process_read_urb [2019-09-18 15:12:08,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_set_termios_callback [2019-09-18 15:12:08,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_set_termios [2019-09-18 15:12:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_init [2019-09-18 15:12:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_exit [2019-09-18 15:12:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-09-18 15:12:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-09-18 15:12:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 15:12:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-18 15:12:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-09-18 15:12:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-09-18 15:12:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-18 15:12:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-18 15:12:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-18 15:12:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-18 15:12:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2019-09-18 15:12:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out_r [2019-09-18 15:12:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-18 15:12:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-18 15:12:08,675 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-18 15:12:08,675 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-18 15:12:08,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-09-18 15:12:08,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-18 15:12:08,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-09-18 15:12:08,676 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-18 15:12:08,676 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2019-09-18 15:12:08,676 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-09-18 15:12:08,676 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-09-18 15:12:08,677 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-09-18 15:12:08,677 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-09-18 15:12:08,677 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-09-18 15:12:08,677 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_copy_hw [2019-09-18 15:12:08,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-18 15:12:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-18 15:12:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-18 15:12:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2019-09-18 15:12:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_open [2019-09-18 15:12:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2019-09-18 15:12:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-18 15:12:08,679 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-18 15:12:08,679 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-18 15:12:08,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 15:12:08,680 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-18 15:12:08,680 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-18 15:12:08,680 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-18 15:12:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-18 15:12:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-18 15:12:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-18 15:12:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-18 15:12:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-18 15:12:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-18 15:12:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-09-18 15:12:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-09-18 15:12:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-18 15:12:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-09-18 15:12:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-09-18 15:12:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-09-18 15:12:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2019-09-18 15:12:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_copy_hw [2019-09-18 15:12:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-09-18 15:12:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-09-18 15:12:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-09-18 15:12:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-18 15:12:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-09-18 15:12:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 15:12:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-18 15:12:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-18 15:12:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 15:12:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 15:12:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-18 15:12:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-18 15:12:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-18 15:12:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-09-18 15:12:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-18 15:12:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-18 15:12:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-18 15:12:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 15:12:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2019-09-18 15:12:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2019-09-18 15:12:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2019-09-18 15:12:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2019-09-18 15:12:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2019-09-18 15:12:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2019-09-18 15:12:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2019-09-18 15:12:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_open [2019-09-18 15:12:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure ir_startup [2019-09-18 15:12:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure ir_open [2019-09-18 15:12:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure ir_prepare_write_buffer [2019-09-18 15:12:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure ir_process_read_urb [2019-09-18 15:12:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure ir_set_termios [2019-09-18 15:12:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure irda_usb_dump_class_desc [2019-09-18 15:12:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure irda_usb_find_class_desc [2019-09-18 15:12:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure ir_xbof_change [2019-09-18 15:12:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 15:12:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure ir_set_termios_callback [2019-09-18 15:12:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure ir_init [2019-09-18 15:12:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure ir_exit [2019-09-18 15:12:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-18 15:12:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-09-18 15:12:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-18 15:12:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 15:12:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 15:12:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-18 15:12:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-09-18 15:12:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-09-18 15:12:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-18 15:12:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-18 15:12:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-18 15:12:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-18 15:12:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 15:12:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 15:12:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 15:12:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 15:12:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-18 15:12:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 15:12:09,693 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 15:12:09,898 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2019-09-18 15:12:09,899 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2019-09-18 15:12:09,964 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 15:12:10,041 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2019-09-18 15:12:10,041 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2019-09-18 15:12:10,689 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-09-18 15:12:10,698 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 15:12:10,725 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2019-09-18 15:12:10,725 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2019-09-18 15:12:11,666 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 15:12:11,789 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume false; [2019-09-18 15:12:11,789 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume !false; [2019-09-18 15:12:11,819 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 15:12:11,819 INFO L283 CfgBuilder]: Removed 27 assume(true) statements. [2019-09-18 15:12:11,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:12:11 BoogieIcfgContainer [2019-09-18 15:12:11,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 15:12:11,822 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 15:12:11,822 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 15:12:11,822 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 15:12:11,823 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:12:11" (1/1) ... [2019-09-18 15:12:11,824 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 15:12:11,851 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 15:12:11,851 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 15:12:11,876 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 15:12:11,889 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 15:12:11,891 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 15:12:12,750 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-18 15:12:13,119 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-09-18 15:12:13,291 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-18 15:12:13,659 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 90 [2019-09-18 15:12:14,081 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2019-09-18 15:12:14,519 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 105 [2019-09-18 15:12:15,696 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 315 [2019-09-18 15:12:17,161 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 330 DAG size of output: 310 [2019-09-18 15:12:21,769 WARN L191 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 538 DAG size of output: 524 [2019-09-18 15:12:26,111 WARN L191 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 544 DAG size of output: 521 [2019-09-18 15:12:31,574 WARN L191 SmtUtils]: Spent 5.30 s on a formula simplification. DAG size of input: 575 DAG size of output: 554 [2019-09-18 15:12:36,257 WARN L191 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 576 DAG size of output: 549 [2019-09-18 15:12:49,478 WARN L191 SmtUtils]: Spent 12.95 s on a formula simplification. DAG size of input: 966 DAG size of output: 929 [2019-09-18 15:13:02,343 WARN L191 SmtUtils]: Spent 12.70 s on a formula simplification. DAG size of input: 952 DAG size of output: 924 [2019-09-18 15:13:02,799 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 15:13:17,679 WARN L191 SmtUtils]: Spent 14.87 s on a formula simplification. DAG size of input: 998 DAG size of output: 930 [2019-09-18 15:13:30,936 WARN L191 SmtUtils]: Spent 13.01 s on a formula simplification. DAG size of input: 967 DAG size of output: 929 [2019-09-18 15:13:31,380 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-18 15:13:47,889 WARN L191 SmtUtils]: Spent 16.50 s on a formula simplification. DAG size of input: 1044 DAG size of output: 962 [2019-09-18 15:14:01,738 WARN L191 SmtUtils]: Spent 13.61 s on a formula simplification. DAG size of input: 991 DAG size of output: 957 [2019-09-18 15:14:02,350 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-18 15:14:19,813 WARN L191 SmtUtils]: Spent 17.45 s on a formula simplification. DAG size of input: 1080 DAG size of output: 971 [2019-09-18 15:14:34,231 WARN L191 SmtUtils]: Spent 14.17 s on a formula simplification. DAG size of input: 1009 DAG size of output: 966 [2019-09-18 15:14:34,880 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2019-09-18 15:14:51,511 WARN L191 SmtUtils]: Spent 16.62 s on a formula simplification. DAG size of input: 1133 DAG size of output: 980 [2019-09-18 15:15:06,556 WARN L191 SmtUtils]: Spent 14.71 s on a formula simplification. DAG size of input: 1013 DAG size of output: 975 [2019-09-18 15:15:07,639 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2019-09-18 15:15:28,784 WARN L191 SmtUtils]: Spent 21.13 s on a formula simplification. DAG size of input: 1190 DAG size of output: 988 [2019-09-18 15:15:44,281 WARN L191 SmtUtils]: Spent 15.13 s on a formula simplification. DAG size of input: 1025 DAG size of output: 985 [2019-09-18 15:15:45,641 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2019-09-18 15:16:08,186 WARN L191 SmtUtils]: Spent 22.54 s on a formula simplification. DAG size of input: 1226 DAG size of output: 998 [2019-09-18 15:16:08,585 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 15:16:24,087 WARN L191 SmtUtils]: Spent 15.49 s on a formula simplification. DAG size of input: 1049 DAG size of output: 995 [2019-09-18 15:16:25,384 WARN L191 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2019-09-18 15:16:44,998 WARN L191 SmtUtils]: Spent 19.60 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1008 [2019-09-18 15:16:45,450 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-18 15:17:01,634 WARN L191 SmtUtils]: Spent 16.18 s on a formula simplification. DAG size of input: 1053 DAG size of output: 1007 [2019-09-18 15:17:03,698 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 405 [2019-09-18 15:17:30,940 WARN L191 SmtUtils]: Spent 27.23 s on a formula simplification. DAG size of input: 1308 DAG size of output: 1020 [2019-09-18 15:17:47,850 WARN L191 SmtUtils]: Spent 16.49 s on a formula simplification. DAG size of input: 1074 DAG size of output: 1015 [2019-09-18 15:17:50,457 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-18 15:18:19,887 WARN L191 SmtUtils]: Spent 29.42 s on a formula simplification. DAG size of input: 1368 DAG size of output: 1028 [2019-09-18 15:18:20,451 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-18 15:18:38,150 WARN L191 SmtUtils]: Spent 17.69 s on a formula simplification. DAG size of input: 1097 DAG size of output: 1029 [2019-09-18 15:18:40,437 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 529 [2019-09-18 15:19:05,128 WARN L191 SmtUtils]: Spent 24.68 s on a formula simplification. DAG size of input: 1496 DAG size of output: 1042 [2019-09-18 15:19:05,640 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-18 15:19:23,328 WARN L191 SmtUtils]: Spent 17.68 s on a formula simplification. DAG size of input: 1106 DAG size of output: 1037 [2019-09-18 15:19:27,114 WARN L191 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 603 [2019-09-18 15:20:01,858 WARN L191 SmtUtils]: Spent 34.72 s on a formula simplification. DAG size of input: 1522 DAG size of output: 1050 [2019-09-18 15:20:02,576 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-09-18 15:20:21,309 WARN L191 SmtUtils]: Spent 18.73 s on a formula simplification. DAG size of input: 1113 DAG size of output: 1053 [2019-09-18 15:20:25,717 WARN L191 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 665 [2019-09-18 15:21:02,658 WARN L191 SmtUtils]: Spent 36.92 s on a formula simplification. DAG size of input: 1576 DAG size of output: 1066 [2019-09-18 15:21:03,275 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-18 15:21:22,539 WARN L191 SmtUtils]: Spent 19.26 s on a formula simplification. DAG size of input: 1135 DAG size of output: 1061 [2019-09-18 15:21:28,024 WARN L191 SmtUtils]: Spent 3.02 s on a formula simplification that was a NOOP. DAG size: 747 [2019-09-18 15:22:10,901 WARN L191 SmtUtils]: Spent 42.86 s on a formula simplification. DAG size of input: 1672 DAG size of output: 1074 [2019-09-18 15:22:11,768 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-09-18 15:22:31,796 WARN L191 SmtUtils]: Spent 20.02 s on a formula simplification. DAG size of input: 1143 DAG size of output: 1079 [2019-09-18 15:22:38,337 WARN L191 SmtUtils]: Spent 3.56 s on a formula simplification that was a NOOP. DAG size: 813 [2019-09-18 15:23:23,907 WARN L191 SmtUtils]: Spent 45.54 s on a formula simplification. DAG size of input: 1746 DAG size of output: 1092 [2019-09-18 15:23:24,639 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-18 15:23:44,939 WARN L191 SmtUtils]: Spent 20.29 s on a formula simplification. DAG size of input: 1163 DAG size of output: 1087 [2019-09-18 15:23:52,699 WARN L191 SmtUtils]: Spent 4.32 s on a formula simplification that was a NOOP. DAG size: 903 [2019-09-18 15:24:44,275 WARN L191 SmtUtils]: Spent 51.54 s on a formula simplification. DAG size of input: 1870 DAG size of output: 1100 [2019-09-18 15:24:45,292 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2019-09-18 15:25:07,289 WARN L191 SmtUtils]: Spent 21.99 s on a formula simplification. DAG size of input: 1177 DAG size of output: 1107 [2019-09-18 15:25:15,760 WARN L191 SmtUtils]: Spent 4.80 s on a formula simplification that was a NOOP. DAG size: 973