/usr/bin/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 17:14:59,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 17:14:59,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 17:14:59,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 17:14:59,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 17:14:59,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 17:14:59,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 17:14:59,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 17:14:59,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 17:14:59,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 17:14:59,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 17:14:59,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 17:14:59,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 17:14:59,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 17:14:59,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 17:14:59,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 17:14:59,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 17:14:59,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 17:14:59,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 17:14:59,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 17:14:59,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 17:14:59,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 17:14:59,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 17:14:59,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 17:14:59,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 17:14:59,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 17:14:59,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 17:14:59,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 17:14:59,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 17:14:59,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 17:14:59,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 17:14:59,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 17:14:59,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 17:14:59,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 17:14:59,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 17:14:59,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 17:14:59,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 17:14:59,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 17:14:59,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 17:14:59,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 17:14:59,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 17:14:59,570 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-14 17:14:59,615 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 17:14:59,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 17:14:59,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 17:14:59,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 17:14:59,620 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 17:14:59,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 17:14:59,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 17:14:59,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 17:14:59,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 17:14:59,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 17:14:59,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 17:14:59,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 17:14:59,622 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 17:14:59,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 17:14:59,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 17:14:59,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 17:14:59,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 17:14:59,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 17:14:59,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 17:14:59,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 17:14:59,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 17:14:59,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 17:14:59,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 17:14:59,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 17:14:59,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 17:14:59,627 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 17:14:59,627 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 17:14:59,627 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 17:14:59,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 17:14:59,961 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 17:14:59,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 17:14:59,966 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 17:14:59,967 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 17:14:59,967 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i [2020-10-14 17:15:00,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41a34df5f/fcf87ae58d5f417fa916d2c1ff0182ac/FLAGdb032cb35 [2020-10-14 17:15:00,903 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 17:15:00,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i [2020-10-14 17:15:00,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41a34df5f/fcf87ae58d5f417fa916d2c1ff0182ac/FLAGdb032cb35 [2020-10-14 17:15:01,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41a34df5f/fcf87ae58d5f417fa916d2c1ff0182ac [2020-10-14 17:15:01,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 17:15:01,372 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 17:15:01,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 17:15:01,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 17:15:01,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 17:15:01,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:15:01" (1/1) ... [2020-10-14 17:15:01,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d88888c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:01, skipping insertion in model container [2020-10-14 17:15:01,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:15:01" (1/1) ... [2020-10-14 17:15:01,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 17:15:01,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 17:15:03,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 17:15:04,063 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 17:15:04,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 17:15:04,930 INFO L208 MainTranslator]: Completed translation [2020-10-14 17:15:04,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:04 WrapperNode [2020-10-14 17:15:04,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 17:15:04,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 17:15:04,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 17:15:04,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 17:15:04,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:04" (1/1) ... [2020-10-14 17:15:04,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:04" (1/1) ... [2020-10-14 17:15:05,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:04" (1/1) ... [2020-10-14 17:15:05,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:04" (1/1) ... [2020-10-14 17:15:05,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:04" (1/1) ... [2020-10-14 17:15:05,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:04" (1/1) ... [2020-10-14 17:15:05,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:04" (1/1) ... [2020-10-14 17:15:05,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 17:15:05,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 17:15:05,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 17:15:05,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 17:15:05,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:04" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-14 17:15:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 17:15:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 17:15:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-10-14 17:15:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-14 17:15:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-10-14 17:15:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 17:15:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 17:15:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-14 17:15:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-10-14 17:15:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-10-14 17:15:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-14 17:15:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-14 17:15:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-14 17:15:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-14 17:15:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-14 17:15:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-14 17:15:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-14 17:15:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-14 17:15:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2020-10-14 17:15:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-14 17:15:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2020-10-14 17:15:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2020-10-14 17:15:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2020-10-14 17:15:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-14 17:15:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2020-10-14 17:15:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2020-10-14 17:15:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-14 17:15:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-14 17:15:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2020-10-14 17:15:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2020-10-14 17:15:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2020-10-14 17:15:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-14 17:15:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2020-10-14 17:15:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2020-10-14 17:15:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2020-10-14 17:15:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2020-10-14 17:15:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2020-10-14 17:15:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2020-10-14 17:15:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2020-10-14 17:15:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-14 17:15:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-14 17:15:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-14 17:15:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2020-10-14 17:15:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2020-10-14 17:15:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2020-10-14 17:15:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2020-10-14 17:15:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2020-10-14 17:15:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure update_edgeport_E2PROM [2020-10-14 17:15:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_product_info [2020-10-14 17:15:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure get_product_info [2020-10-14 17:15:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure get_epic_descriptor [2020-10-14 17:15:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_interrupt_callback [2020-10-14 17:15:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_bulk_in_callback [2020-10-14 17:15:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_bulk_out_data_callback [2020-10-14 17:15:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_bulk_out_cmd_callback [2020-10-14 17:15:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_open [2020-10-14 17:15:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure block_until_chase_response [2020-10-14 17:15:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure block_until_tx_empty [2020-10-14 17:15:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_close [2020-10-14 17:15:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_write [2020-10-14 17:15:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure send_more_port_data [2020-10-14 17:15:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_write_room [2020-10-14 17:15:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_chars_in_buffer [2020-10-14 17:15:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_throttle [2020-10-14 17:15:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_unthrottle [2020-10-14 17:15:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_set_termios [2020-10-14 17:15:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure get_lsr_info [2020-10-14 17:15:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tiocmset [2020-10-14 17:15:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tiocmget [2020-10-14 17:15:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure get_serial_info [2020-10-14 17:15:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_ioctl [2020-10-14 17:15:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_break [2020-10-14 17:15:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure process_rcvd_data [2020-10-14 17:15:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure process_rcvd_status [2020-10-14 17:15:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tty_recv [2020-10-14 17:15:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_msr [2020-10-14 17:15:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_lsr [2020-10-14 17:15:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2020-10-14 17:15:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure rom_write [2020-10-14 17:15:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure rom_read [2020-10-14 17:15:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure send_iosp_ext_cmd [2020-10-14 17:15:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd_usb [2020-10-14 17:15:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure send_cmd_write_baud_rate [2020-10-14 17:15:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_baud_rate_divisor [2020-10-14 17:15:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure send_cmd_write_uart_register [2020-10-14 17:15:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure change_port_settings [2020-10-14 17:15:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure unicode_to_ascii [2020-10-14 17:15:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure get_manufacturing_desc [2020-10-14 17:15:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure get_boot_desc [2020-10-14 17:15:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure load_application_firmware [2020-10-14 17:15:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_startup [2020-10-14 17:15:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_disconnect [2020-10-14 17:15:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_release [2020-10-14 17:15:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_port_probe [2020-10-14 17:15:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_port_remove [2020-10-14 17:15:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_module_init [2020-10-14 17:15:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_module_exit [2020-10-14 17:15:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_4 [2020-10-14 17:15:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2020-10-14 17:15:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_2 [2020-10-14 17:15:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_3 [2020-10-14 17:15:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 17:15:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-14 17:15:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-14 17:15:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-14 17:15:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 17:15:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_23 [2020-10-14 17:15:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_24 [2020-10-14 17:15:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_25 [2020-10-14 17:15:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_26 [2020-10-14 17:15:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_27 [2020-10-14 17:15:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2020-10-14 17:15:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_29 [2020-10-14 17:15:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_30 [2020-10-14 17:15:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_31 [2020-10-14 17:15:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_32 [2020-10-14 17:15:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2020-10-14 17:15:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 17:15:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-14 17:15:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-14 17:15:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-14 17:15:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-14 17:15:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-14 17:15:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-14 17:15:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-14 17:15:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-14 17:15:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-14 17:15:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-14 17:15:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2020-10-14 17:15:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-14 17:15:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-14 17:15:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2020-10-14 17:15:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-10-14 17:15:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-14 17:15:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-14 17:15:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-14 17:15:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-14 17:15:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-14 17:15:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-14 17:15:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-14 17:15:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-14 17:15:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-14 17:15:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-14 17:15:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 17:15:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 17:15:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2020-10-14 17:15:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2020-10-14 17:15:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_3 [2020-10-14 17:15:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_4 [2020-10-14 17:15:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-14 17:15:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-14 17:15:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2020-10-14 17:15:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2020-10-14 17:15:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2020-10-14 17:15:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2020-10-14 17:15:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2020-10-14 17:15:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2020-10-14 17:15:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2020-10-14 17:15:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2020-10-14 17:15:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2020-10-14 17:15:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2020-10-14 17:15:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2020-10-14 17:15:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-14 17:15:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-14 17:15:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-14 17:15:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2020-10-14 17:15:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2020-10-14 17:15:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2020-10-14 17:15:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register_drivers [2020-10-14 17:15:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2020-10-14 17:15:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2020-10-14 17:15:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 17:15:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-14 17:15:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-14 17:15:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-14 17:15:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 17:15:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-14 17:15:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-10-14 17:15:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-14 17:15:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-10-14 17:15:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-14 17:15:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-10-14 17:15:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2020-10-14 17:15:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-14 17:15:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-14 17:15:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 17:15:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 17:15:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-14 17:15:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 17:15:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 17:15:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 17:15:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 17:15:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 17:15:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 17:15:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 17:15:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-14 17:15:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-10-14 17:15:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-10-14 17:15:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-14 17:15:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-14 17:15:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-14 17:15:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-14 17:15:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-14 17:15:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 17:15:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-14 17:15:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-14 17:15:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 17:15:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-14 17:15:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 17:15:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-14 17:15:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2020-10-14 17:15:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-14 17:15:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-14 17:15:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-14 17:15:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-14 17:15:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-14 17:15:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2020-10-14 17:15:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-14 17:15:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2020-10-14 17:15:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-14 17:15:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2020-10-14 17:15:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-14 17:15:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-14 17:15:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-14 17:15:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-14 17:15:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2020-10-14 17:15:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-14 17:15:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-14 17:15:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2020-10-14 17:15:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 17:15:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 17:15:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-14 17:15:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_4 [2020-10-14 17:15:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2020-10-14 17:15:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_2 [2020-10-14 17:15:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_3 [2020-10-14 17:15:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-14 17:15:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2020-10-14 17:15:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-14 17:15:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 17:15:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2020-10-14 17:15:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2020-10-14 17:15:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2020-10-14 17:15:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2020-10-14 17:15:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2020-10-14 17:15:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2020-10-14 17:15:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2020-10-14 17:15:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2020-10-14 17:15:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2020-10-14 17:15:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2020-10-14 17:15:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2020-10-14 17:15:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-14 17:15:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 17:15:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-14 17:15:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-14 17:15:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-14 17:15:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-14 17:15:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2020-10-14 17:15:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2020-10-14 17:15:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2020-10-14 17:15:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 17:15:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-14 17:15:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2020-10-14 17:15:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2020-10-14 17:15:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2020-10-14 17:15:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2020-10-14 17:15:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2020-10-14 17:15:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2020-10-14 17:15:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2020-10-14 17:15:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-14 17:15:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 17:15:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-14 17:15:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_27 [2020-10-14 17:15:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_29 [2020-10-14 17:15:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_31 [2020-10-14 17:15:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_32 [2020-10-14 17:15:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-14 17:15:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_23 [2020-10-14 17:15:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_24 [2020-10-14 17:15:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_25 [2020-10-14 17:15:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_26 [2020-10-14 17:15:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2020-10-14 17:15:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_30 [2020-10-14 17:15:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2020-10-14 17:15:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-14 17:15:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-14 17:15:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2020-10-14 17:15:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-14 17:15:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2020-10-14 17:15:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2020-10-14 17:15:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2020-10-14 17:15:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2020-10-14 17:15:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register_drivers [2020-10-14 17:15:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2020-10-14 17:15:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2020-10-14 17:15:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2020-10-14 17:15:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2020-10-14 17:15:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure edge_interrupt_callback [2020-10-14 17:15:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure edge_bulk_in_callback [2020-10-14 17:15:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure edge_bulk_out_data_callback [2020-10-14 17:15:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure edge_bulk_out_cmd_callback [2020-10-14 17:15:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure edge_open [2020-10-14 17:15:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure edge_close [2020-10-14 17:15:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure edge_write [2020-10-14 17:15:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure edge_write_room [2020-10-14 17:15:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure edge_chars_in_buffer [2020-10-14 17:15:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure edge_throttle [2020-10-14 17:15:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure edge_unthrottle [2020-10-14 17:15:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure edge_set_termios [2020-10-14 17:15:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure edge_ioctl [2020-10-14 17:15:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure edge_break [2020-10-14 17:15:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tiocmget [2020-10-14 17:15:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tiocmset [2020-10-14 17:15:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure edge_startup [2020-10-14 17:15:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure edge_disconnect [2020-10-14 17:15:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure edge_release [2020-10-14 17:15:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure edge_port_probe [2020-10-14 17:15:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure edge_port_remove [2020-10-14 17:15:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure process_rcvd_data [2020-10-14 17:15:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure process_rcvd_status [2020-10-14 17:15:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tty_recv [2020-10-14 17:15:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_msr [2020-10-14 17:15:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_lsr [2020-10-14 17:15:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure send_iosp_ext_cmd [2020-10-14 17:15:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure calc_baud_rate_divisor [2020-10-14 17:15:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure send_cmd_write_baud_rate [2020-10-14 17:15:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure change_port_settings [2020-10-14 17:15:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure send_cmd_write_uart_register [2020-10-14 17:15:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd_usb [2020-10-14 17:15:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure send_more_port_data [2020-10-14 17:15:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2020-10-14 17:15:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure rom_read [2020-10-14 17:15:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure rom_write [2020-10-14 17:15:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure get_manufacturing_desc [2020-10-14 17:15:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure get_boot_desc [2020-10-14 17:15:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure load_application_firmware [2020-10-14 17:15:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure unicode_to_ascii [2020-10-14 17:15:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure update_edgeport_E2PROM [2020-10-14 17:15:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure dump_product_info [2020-10-14 17:15:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure get_product_info [2020-10-14 17:15:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-14 17:15:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure get_epic_descriptor [2020-10-14 17:15:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure block_until_chase_response [2020-10-14 17:15:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure block_until_tx_empty [2020-10-14 17:15:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure get_lsr_info [2020-10-14 17:15:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure get_serial_info [2020-10-14 17:15:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_module_init [2020-10-14 17:15:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_module_exit [2020-10-14 17:15:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_4 [2020-10-14 17:15:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2020-10-14 17:15:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 17:15:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 17:15:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2020-10-14 17:15:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_3 [2020-10-14 17:15:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 17:15:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 17:15:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-14 17:15:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-14 17:15:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-14 17:15:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-14 17:15:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-14 17:15:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-14 17:15:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-14 17:15:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-14 17:15:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 17:15:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-14 17:15:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 17:15:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 17:15:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 17:15:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 17:15:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 17:15:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 17:15:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-14 17:15:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 17:15:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-14 17:15:07,729 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-14 17:19:30,738 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 17:19:30,739 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 17:19:30,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:19:30 BoogieIcfgContainer [2020-10-14 17:19:30,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 17:19:30,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 17:19:30,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 17:19:30,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 17:19:30,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:15:01" (1/3) ... [2020-10-14 17:19:30,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb3ff1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:19:30, skipping insertion in model container [2020-10-14 17:19:30,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:04" (2/3) ... [2020-10-14 17:19:30,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb3ff1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:19:30, skipping insertion in model container [2020-10-14 17:19:30,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:19:30" (3/3) ... [2020-10-14 17:19:30,782 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i [2020-10-14 17:19:30,797 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 17:19:30,813 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 17:19:30,832 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 17:19:30,888 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 17:19:30,889 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 17:19:30,889 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 17:19:30,889 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 17:19:30,889 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 17:19:30,889 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 17:19:30,890 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 17:19:30,891 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 17:19:31,002 INFO L276 IsEmpty]: Start isEmpty. Operand 3157 states. [2020-10-14 17:19:31,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2020-10-14 17:19:31,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:19:31,052 INFO L422 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:19:31,053 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:19:31,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:19:31,062 INFO L82 PathProgramCache]: Analyzing trace with hash 547568424, now seen corresponding path program 1 times [2020-10-14 17:19:31,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:19:31,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [192184986] [2020-10-14 17:19:31,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY