java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 22:19:28,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 22:19:28,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 22:19:28,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 22:19:28,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 22:19:28,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 22:19:28,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 22:19:28,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 22:19:28,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 22:19:28,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 22:19:28,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 22:19:28,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 22:19:28,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 22:19:28,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 22:19:28,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 22:19:28,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 22:19:28,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 22:19:28,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 22:19:28,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 22:19:28,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 22:19:28,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 22:19:28,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 22:19:28,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 22:19:28,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 22:19:28,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 22:19:28,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 22:19:28,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 22:19:28,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 22:19:28,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 22:19:28,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 22:19:28,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 22:19:28,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 22:19:28,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 22:19:28,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 22:19:28,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 22:19:28,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 22:19:28,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 22:19:28,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 22:19:28,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 22:19:28,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 22:19:28,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 22:19:28,287 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 22:19:28,301 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 22:19:28,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 22:19:28,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 22:19:28,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 22:19:28,302 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 22:19:28,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 22:19:28,303 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 22:19:28,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 22:19:28,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 22:19:28,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 22:19:28,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 22:19:28,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 22:19:28,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 22:19:28,304 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 22:19:28,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 22:19:28,305 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 22:19:28,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 22:19:28,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 22:19:28,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 22:19:28,305 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 22:19:28,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 22:19:28,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 22:19:28,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 22:19:28,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 22:19:28,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 22:19:28,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 22:19:28,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 22:19:28,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 22:19:28,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 22:19:28,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 22:19:28,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 22:19:28,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 22:19:28,605 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 22:19:28,606 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 22:19:28,607 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2019-10-14 22:19:28,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8df0944e/cfb480cdf6584bce939eb18b9836a28c/FLAG9aeedcad7 [2019-10-14 22:19:29,456 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 22:19:29,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2019-10-14 22:19:29,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8df0944e/cfb480cdf6584bce939eb18b9836a28c/FLAG9aeedcad7 [2019-10-14 22:19:29,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8df0944e/cfb480cdf6584bce939eb18b9836a28c [2019-10-14 22:19:29,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 22:19:29,674 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 22:19:29,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 22:19:29,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 22:19:29,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 22:19:29,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:19:29" (1/1) ... [2019-10-14 22:19:29,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c70d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:29, skipping insertion in model container [2019-10-14 22:19:29,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:19:29" (1/1) ... [2019-10-14 22:19:29,690 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 22:19:29,796 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 22:19:30,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:19:30,998 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 22:19:31,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:19:31,357 INFO L192 MainTranslator]: Completed translation [2019-10-14 22:19:31,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:31 WrapperNode [2019-10-14 22:19:31,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 22:19:31,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 22:19:31,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 22:19:31,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 22:19:31,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:31" (1/1) ... [2019-10-14 22:19:31,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:31" (1/1) ... [2019-10-14 22:19:31,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:31" (1/1) ... [2019-10-14 22:19:31,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:31" (1/1) ... [2019-10-14 22:19:31,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:31" (1/1) ... [2019-10-14 22:19:31,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:31" (1/1) ... [2019-10-14 22:19:31,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:31" (1/1) ... [2019-10-14 22:19:31,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 22:19:31,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 22:19:31,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 22:19:31,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 22:19:31,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 22:19:31,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 22:19:31,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 22:19:31,829 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-14 22:19:31,830 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-14 22:19:31,830 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-14 22:19:31,831 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-14 22:19:31,831 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-10-14 22:19:31,831 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-10-14 22:19:31,832 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-14 22:19:31,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-14 22:19:31,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2019-10-14 22:19:31,832 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_usb_dump_class_desc [2019-10-14 22:19:31,833 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_usb_find_class_desc [2019-10-14 22:19:31,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_xbof_change [2019-10-14 22:19:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_startup [2019-10-14 22:19:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_open [2019-10-14 22:19:31,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_prepare_write_buffer [2019-10-14 22:19:31,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_process_read_urb [2019-10-14 22:19:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_set_termios_callback [2019-10-14 22:19:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_set_termios [2019-10-14 22:19:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_init [2019-10-14 22:19:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_exit [2019-10-14 22:19:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-10-14 22:19:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-10-14 22:19:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 22:19:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-10-14 22:19:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-10-14 22:19:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-14 22:19:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-14 22:19:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-14 22:19:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-14 22:19:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 22:19:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2019-10-14 22:19:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out_r [2019-10-14 22:19:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-14 22:19:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-14 22:19:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-14 22:19:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-14 22:19:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-14 22:19:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 22:19:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-10-14 22:19:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-14 22:19:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2019-10-14 22:19:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-10-14 22:19:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-10-14 22:19:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-10-14 22:19:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-10-14 22:19:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-10-14 22:19:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_copy_hw [2019-10-14 22:19:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-14 22:19:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-14 22:19:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-14 22:19:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2019-10-14 22:19:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_open [2019-10-14 22:19:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2019-10-14 22:19:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-14 22:19:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 22:19:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 22:19:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 22:19:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-14 22:19:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-14 22:19:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-14 22:19:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-14 22:19:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-14 22:19:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 22:19:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-14 22:19:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-14 22:19:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-14 22:19:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-10-14 22:19:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-10-14 22:19:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-14 22:19:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-10-14 22:19:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-10-14 22:19:31,853 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-10-14 22:19:31,853 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2019-10-14 22:19:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_copy_hw [2019-10-14 22:19:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-10-14 22:19:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-10-14 22:19:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-10-14 22:19:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-14 22:19:31,855 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-10-14 22:19:31,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 22:19:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-14 22:19:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-14 22:19:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 22:19:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 22:19:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-14 22:19:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-14 22:19:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-14 22:19:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-14 22:19:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-14 22:19:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-14 22:19:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-14 22:19:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 22:19:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2019-10-14 22:19:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2019-10-14 22:19:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2019-10-14 22:19:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2019-10-14 22:19:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2019-10-14 22:19:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2019-10-14 22:19:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2019-10-14 22:19:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_open [2019-10-14 22:19:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure ir_startup [2019-10-14 22:19:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure ir_open [2019-10-14 22:19:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure ir_prepare_write_buffer [2019-10-14 22:19:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure ir_process_read_urb [2019-10-14 22:19:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure ir_set_termios [2019-10-14 22:19:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure irda_usb_dump_class_desc [2019-10-14 22:19:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure irda_usb_find_class_desc [2019-10-14 22:19:31,864 INFO L130 BoogieDeclarations]: Found specification of procedure ir_xbof_change [2019-10-14 22:19:31,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 22:19:31,864 INFO L130 BoogieDeclarations]: Found specification of procedure ir_set_termios_callback [2019-10-14 22:19:31,864 INFO L130 BoogieDeclarations]: Found specification of procedure ir_init [2019-10-14 22:19:31,865 INFO L130 BoogieDeclarations]: Found specification of procedure ir_exit [2019-10-14 22:19:31,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 22:19:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-14 22:19:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 22:19:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 22:19:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 22:19:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-10-14 22:19:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-10-14 22:19:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-10-14 22:19:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-14 22:19:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 22:19:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 22:19:31,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 22:19:31,870 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 22:19:31,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 22:19:31,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 22:19:31,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 22:19:31,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 22:19:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 22:19:32,861 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-14 22:19:33,046 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2019-10-14 22:19:33,046 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2019-10-14 22:19:33,088 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-14 22:19:33,165 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2019-10-14 22:19:33,165 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2019-10-14 22:19:33,748 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-10-14 22:19:33,755 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-14 22:19:33,792 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2019-10-14 22:19:33,793 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2019-10-14 22:19:36,606 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-14 22:19:36,778 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume false; [2019-10-14 22:19:36,778 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume !false; [2019-10-14 22:19:36,872 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 22:19:36,872 INFO L284 CfgBuilder]: Removed 27 assume(true) statements. [2019-10-14 22:19:36,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:19:36 BoogieIcfgContainer [2019-10-14 22:19:36,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 22:19:36,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 22:19:36,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 22:19:36,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 22:19:36,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:19:29" (1/3) ... [2019-10-14 22:19:36,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24749e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:19:36, skipping insertion in model container [2019-10-14 22:19:36,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:19:31" (2/3) ... [2019-10-14 22:19:36,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24749e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:19:36, skipping insertion in model container [2019-10-14 22:19:36,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:19:36" (3/3) ... [2019-10-14 22:19:36,894 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2019-10-14 22:19:36,904 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 22:19:36,916 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 22:19:36,928 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 22:19:36,959 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 22:19:36,959 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 22:19:36,959 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 22:19:36,959 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 22:19:36,960 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 22:19:36,960 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 22:19:36,960 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 22:19:36,960 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 22:19:36,989 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states. [2019-10-14 22:19:36,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-14 22:19:36,996 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:19:36,997 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:19:36,999 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:19:37,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:19:37,005 INFO L82 PathProgramCache]: Analyzing trace with hash 921078484, now seen corresponding path program 1 times [2019-10-14 22:19:37,014 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:19:37,015 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159993779] [2019-10-14 22:19:37,015 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:19:37,015 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:19:37,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:19:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:19:40,533 WARN L191 SmtUtils]: Spent 2.79 s on a formula simplification that was a NOOP. DAG size: 679 [2019-10-14 22:19:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:19:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:19:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:19:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:19:40,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 22:19:40,817 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159993779] [2019-10-14 22:19:40,818 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:19:40,818 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 22:19:40,818 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755233096] [2019-10-14 22:19:40,824 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-14 22:19:40,825 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:19:40,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-14 22:19:40,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:19:40,842 INFO L87 Difference]: Start difference. First operand 441 states. Second operand 7 states. [2019-10-14 22:19:43,431 WARN L191 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 688 [2019-10-14 22:19:52,225 WARN L191 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 692 [2019-10-14 22:19:55,011 WARN L191 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 694