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-serial-ir-usb.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:45:25,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:45:25,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:45:25,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:45:25,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:45:25,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:45:25,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:45:25,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:45:25,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:45:25,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:45:25,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:45:25,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:45:25,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:45:25,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:45:25,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:45:25,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:45:25,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:45:25,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:45:25,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:45:25,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:45:25,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:45:25,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:45:25,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:45:25,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:45:25,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:45:25,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:45:25,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:45:25,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:45:25,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:45:25,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:45:25,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:45:25,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:45:25,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:45:25,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:45:25,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:45:25,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:45:25,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:45:25,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:45:25,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:45:25,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:45:25,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:45:25,272 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 21:45:25,287 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:45:25,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:45:25,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:45:25,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:45:25,288 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:45:25,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:45:25,289 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:45:25,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:45:25,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:45:25,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:45:25,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:45:25,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:45:25,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:45:25,292 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:45:25,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:45:25,292 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:45:25,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:45:25,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:45:25,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:45:25,293 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:45:25,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:45:25,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:45:25,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:45:25,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:45:25,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:45:25,294 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:45:25,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:45:25,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:45:25,295 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 21:45:25,339 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:45:25,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:45:25,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:45:25,367 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:45:25,368 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:45:25,369 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2019-09-20 21:45:25,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07b620495/a74fb2dcbef9431ea8d2a51679ff4bd8/FLAGaaa18e30d [2019-09-20 21:45:26,181 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:45:26,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2019-09-20 21:45:26,228 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07b620495/a74fb2dcbef9431ea8d2a51679ff4bd8/FLAGaaa18e30d [2019-09-20 21:45:26,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07b620495/a74fb2dcbef9431ea8d2a51679ff4bd8 [2019-09-20 21:45:26,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:45:26,419 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:45:26,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:45:26,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:45:26,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:45:26,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:45:26" (1/1) ... [2019-09-20 21:45:26,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7aa61b 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 21:45:26,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:45:26" (1/1) ... [2019-09-20 21:45:26,434 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:45:26,542 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:45:27,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:45:27,697 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:45:27,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:45:28,047 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:45:28,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:28 WrapperNode [2019-09-20 21:45:28,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:45:28,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:45:28,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:45:28,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:45:28,065 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 21:45:28,066 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 21:45:28,140 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 21:45:28,141 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 21:45:28,235 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 21:45:28,275 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 21:45:28,300 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 21:45:28,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:45:28,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:45:28,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:45:28,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:45:28,326 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 21:45:28,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:45:28,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:45:28,411 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 21:45:28,411 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-20 21:45:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 21:45:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 21:45:28,413 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-09-20 21:45:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-09-20 21:45:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-20 21:45:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-20 21:45:28,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2019-09-20 21:45:28,416 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_usb_dump_class_desc [2019-09-20 21:45:28,416 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_usb_find_class_desc [2019-09-20 21:45:28,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_xbof_change [2019-09-20 21:45:28,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_startup [2019-09-20 21:45:28,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_open [2019-09-20 21:45:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_prepare_write_buffer [2019-09-20 21:45:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_process_read_urb [2019-09-20 21:45:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_set_termios_callback [2019-09-20 21:45:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_set_termios [2019-09-20 21:45:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_init [2019-09-20 21:45:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_exit [2019-09-20 21:45:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-09-20 21:45:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-09-20 21:45:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:45:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-20 21:45:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-09-20 21:45:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-09-20 21:45:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-20 21:45:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-20 21:45:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-20 21:45:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 21:45:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2019-09-20 21:45:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out_r [2019-09-20 21:45:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 21:45:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-20 21:45:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-20 21:45:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-20 21:45:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-09-20 21:45:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 21:45:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-09-20 21:45:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 21:45:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2019-09-20 21:45:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-09-20 21:45:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-09-20 21:45:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-09-20 21:45:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-09-20 21:45:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-09-20 21:45:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_copy_hw [2019-09-20 21:45:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-20 21:45:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-20 21:45:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-20 21:45:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2019-09-20 21:45:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_open [2019-09-20 21:45:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2019-09-20 21:45:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-20 21:45:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 21:45:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 21:45:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:45:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 21:45:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-20 21:45:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-20 21:45:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 21:45:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-20 21:45:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 21:45:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 21:45:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 21:45:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 21:45:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-09-20 21:45:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-09-20 21:45:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-20 21:45:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-09-20 21:45:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-09-20 21:45:28,435 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-09-20 21:45:28,435 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2019-09-20 21:45:28,435 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_copy_hw [2019-09-20 21:45:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-09-20 21:45:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-09-20 21:45:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-09-20 21:45:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-20 21:45:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-09-20 21:45:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 21:45:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-20 21:45:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-20 21:45:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 21:45:28,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 21:45:28,440 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-20 21:45:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-20 21:45:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-20 21:45:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-09-20 21:45:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-20 21:45:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-20 21:45:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-20 21:45:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 21:45:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2019-09-20 21:45:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2019-09-20 21:45:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2019-09-20 21:45:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2019-09-20 21:45:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2019-09-20 21:45:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2019-09-20 21:45:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2019-09-20 21:45:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_open [2019-09-20 21:45:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure ir_startup [2019-09-20 21:45:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure ir_open [2019-09-20 21:45:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure ir_prepare_write_buffer [2019-09-20 21:45:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure ir_process_read_urb [2019-09-20 21:45:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure ir_set_termios [2019-09-20 21:45:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure irda_usb_dump_class_desc [2019-09-20 21:45:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure irda_usb_find_class_desc [2019-09-20 21:45:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure ir_xbof_change [2019-09-20 21:45:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 21:45:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure ir_set_termios_callback [2019-09-20 21:45:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure ir_init [2019-09-20 21:45:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure ir_exit [2019-09-20 21:45:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 21:45:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-09-20 21:45:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 21:45:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:45:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:45:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-20 21:45:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-09-20 21:45:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-09-20 21:45:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 21:45:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 21:45:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 21:45:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 21:45:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 21:45:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 21:45:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:45:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 21:45:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 21:45:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:45:29,246 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:45:29,388 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2019-09-20 21:45:29,389 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2019-09-20 21:45:29,423 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:45:29,527 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2019-09-20 21:45:29,527 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2019-09-20 21:45:29,917 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-09-20 21:45:29,924 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:45:29,955 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2019-09-20 21:45:29,956 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2019-09-20 21:45:32,076 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:45:32,163 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume false; [2019-09-20 21:45:32,164 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume !false; [2019-09-20 21:45:36,633 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:45:36,633 INFO L283 CfgBuilder]: Removed 27 assume(true) statements. [2019-09-20 21:45:36,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:45:36 BoogieIcfgContainer [2019-09-20 21:45:36,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:45:36,636 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:45:36,636 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:45:36,636 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:45:36,637 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:45:36" (1/1) ... [2019-09-20 21:45:36,638 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 21:45:36,664 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:45:36,665 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:45:36,678 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:45:36,692 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:45:36,694 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs