/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SHALLOWEST --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 language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 08:36:16,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 08:36:16,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 08:36:16,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 08:36:16,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 08:36:16,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 08:36:16,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 08:36:16,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 08:36:16,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 08:36:16,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 08:36:16,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 08:36:16,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 08:36:16,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 08:36:16,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 08:36:16,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 08:36:16,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 08:36:16,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 08:36:16,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 08:36:16,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 08:36:16,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 08:36:16,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 08:36:16,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 08:36:16,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 08:36:16,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 08:36:16,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 08:36:16,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 08:36:16,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 08:36:16,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 08:36:16,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 08:36:16,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-10-27 08:36:16,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 08:36:16,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 08:36:16,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 08:36:16,961 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 [2020-10-27 08:36:17,013 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 08:36:17,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 08:36:17,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 08:36:17,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 08:36:17,017 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 08:36:17,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 08:36:17,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 08:36:17,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 08:36:17,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 08:36:17,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 08:36:17,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 08:36:17,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 08:36:17,018 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 08:36:17,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 08:36:17,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 08:36:17,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 08:36:17,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 08:36:17,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 08:36:17,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 08:36:17,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 08:36:17,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 08:36:17,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 08:36:17,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 08:36:17,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 08:36:17,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 08:36:17,023 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 08:36:17,023 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 08:36:17,023 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 08:36:17,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 08:36:17,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 08:36:17,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 08:36:17,439 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 08:36:17,440 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 08:36:17,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2020-10-27 08:36:17,541 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11e531abd/99da6083bfb245bf99a3c97b59b31329/FLAG25b9dd637 [2020-10-27 08:36:18,611 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 08:36:18,612 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2020-10-27 08:36:18,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11e531abd/99da6083bfb245bf99a3c97b59b31329/FLAG25b9dd637 [2020-10-27 08:36:19,017 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11e531abd/99da6083bfb245bf99a3c97b59b31329 [2020-10-27 08:36:19,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 08:36:19,026 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 08:36:19,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 08:36:19,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 08:36:19,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 08:36:19,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:36:19" (1/1) ... [2020-10-27 08:36:19,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60dabae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:36:19, skipping insertion in model container [2020-10-27 08:36:19,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:36:19" (1/1) ... [2020-10-27 08:36:19,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 08:36:19,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 08:36:20,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 08:36:20,737 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 08:36:21,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 08:36:21,380 INFO L208 MainTranslator]: Completed translation [2020-10-27 08:36:21,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:36:21 WrapperNode [2020-10-27 08:36:21,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 08:36:21,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 08:36:21,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 08:36:21,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 08:36:21,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:36:21" (1/1) ... [2020-10-27 08:36:21,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:36:21" (1/1) ... [2020-10-27 08:36:21,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:36:21" (1/1) ... [2020-10-27 08:36:21,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:36:21" (1/1) ... [2020-10-27 08:36:21,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:36:21" (1/1) ... [2020-10-27 08:36:21,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:36:21" (1/1) ... [2020-10-27 08:36:21,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:36:21" (1/1) ... [2020-10-27 08:36:21,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 08:36:21,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 08:36:21,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 08:36:21,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 08:36:21,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:36:21" (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 [2020-10-27 08:36:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 08:36:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 08:36:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 08:36:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-10-27 08:36:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-27 08:36:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-10-27 08:36:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-27 08:36:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-27 08:36:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-27 08:36:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-27 08:36:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2020-10-27 08:36:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-27 08:36:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-27 08:36:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-27 08:36:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-27 08:36:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-27 08:36:21,862 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-27 08:36:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-27 08:36:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-27 08:36:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-27 08:36:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure device_private_init [2020-10-27 08:36:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-27 08:36:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-27 08:36:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2020-10-27 08:36:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-27 08:36:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-27 08:36:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-27 08:36:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2020-10-27 08:36:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2020-10-27 08:36:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2020-10-27 08:36:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2020-10-27 08:36:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2020-10-27 08:36:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2020-10-27 08:36:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_download [2020-10-27 08:36:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_attach [2020-10-27 08:36:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_attach [2020-10-27 08:36:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_release [2020-10-27 08:36:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_open [2020-10-27 08:36:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_close [2020-10-27 08:36:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write [2020-10-27 08:36:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_room [2020-10-27 08:36:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmget [2020-10-27 08:36:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmset [2020-10-27 08:36:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_ioctl [2020-10-27 08:36:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_set_termios [2020-10-27 08:36:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_break_ctl [2020-10-27 08:36:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_chars_in_buffer [2020-10-27 08:36:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_throttle [2020-10-27 08:36:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_unthrottle [2020-10-27 08:36:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_write_callback [2020-10-27 08:36:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_read_callback [2020-10-27 08:36:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_read_callback [2020-10-27 08:36:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_callback [2020-10-27 08:36:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_send_command [2020-10-27 08:36:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_open [2020-10-27 08:36:21,870 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_close [2020-10-27 08:36:21,870 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_setup_port [2020-10-27 08:36:21,870 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_rts [2020-10-27 08:36:21,871 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_dtr [2020-10-27 08:36:21,871 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_break [2020-10-27 08:36:21,871 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_purge [2020-10-27 08:36:21,871 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_get_dtr_rts [2020-10-27 08:36:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_report_tx_done [2020-10-27 08:36:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure start_command_port [2020-10-27 08:36:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_command_port [2020-10-27 08:36:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure start_port_read [2020-10-27 08:36:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_to_wrap [2020-10-27 08:36:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure list_first [2020-10-27 08:36:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_data_softint [2020-10-27 08:36:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_init [2020-10-27 08:36:21,873 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_exit [2020-10-27 08:36:21,873 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-27 08:36:21,873 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-27 08:36:21,873 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 08:36:21,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-27 08:36:21,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-27 08:36:21,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-27 08:36:21,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-27 08:36:21,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-27 08:36:21,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-27 08:36:21,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 08:36:21,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-27 08:36:21,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-27 08:36:21,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 08:36:21,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-27 08:36:21,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-27 08:36:21,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2020-10-27 08:36:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-27 08:36:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-27 08:36:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-27 08:36:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-27 08:36:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-27 08:36:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-27 08:36:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-27 08:36:21,879 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-27 08:36:21,879 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-27 08:36:21,879 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-27 08:36:21,879 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-27 08:36:21,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-27 08:36:21,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-27 08:36:21,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_set_reset [2020-10-27 08:36:21,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_writememory [2020-10-27 08:36:21,880 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-27 08:36:21,880 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-27 08:36:21,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-27 08:36:21,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 08:36:21,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-27 08:36:21,881 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-27 08:36:21,881 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-27 08:36:21,881 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-27 08:36:21,881 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-27 08:36:21,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-27 08:36:21,882 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-27 08:36:21,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-27 08:36:21,883 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2020-10-27 08:36:21,883 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2020-10-27 08:36:21,883 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2020-10-27 08:36:21,883 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-27 08:36:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2020-10-27 08:36:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2020-10-27 08:36:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2020-10-27 08:36:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2020-10-27 08:36:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2020-10-27 08:36:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2020-10-27 08:36:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-27 08:36:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2020-10-27 08:36:21,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-27 08:36:21,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-27 08:36:21,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-27 08:36:21,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2020-10-27 08:36:21,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2020-10-27 08:36:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2020-10-27 08:36:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-27 08:36:21,887 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2020-10-27 08:36:21,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 08:36:21,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 08:36:21,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-27 08:36:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 08:36:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 08:36:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 08:36:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 08:36:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 08:36:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 08:36:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-10-27 08:36:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-27 08:36:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-10-27 08:36:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-27 08:36:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-27 08:36:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-27 08:36:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-27 08:36:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 08:36:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 08:36:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-27 08:36:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 08:36:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-27 08:36:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-27 08:36:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 08:36:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-27 08:36:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2020-10-27 08:36:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-27 08:36:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2020-10-27 08:36:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-27 08:36:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-27 08:36:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-27 08:36:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-27 08:36:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-27 08:36:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-27 08:36:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-27 08:36:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-27 08:36:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-27 08:36:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-27 08:36:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-27 08:36:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-27 08:36:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-27 08:36:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-27 08:36:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-27 08:36:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-27 08:36:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-27 08:36:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-27 08:36:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-27 08:36:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-27 08:36:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-27 08:36:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-27 08:36:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-27 08:36:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-27 08:36:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-27 08:36:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 08:36:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-27 08:36:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-27 08:36:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-27 08:36:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-27 08:36:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-27 08:36:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-27 08:36:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-27 08:36:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure device_private_init [2020-10-27 08:36:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-27 08:36:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-27 08:36:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-27 08:36:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-27 08:36:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-27 08:36:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2020-10-27 08:36:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2020-10-27 08:36:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2020-10-27 08:36:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2020-10-27 08:36:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2020-10-27 08:36:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2020-10-27 08:36:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2020-10-27 08:36:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2020-10-27 08:36:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-27 08:36:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-27 08:36:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-27 08:36:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-27 08:36:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 08:36:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-27 08:36:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-27 08:36:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-27 08:36:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-27 08:36:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-27 08:36:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-27 08:36:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-27 08:36:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2020-10-27 08:36:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-27 08:36:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 08:36:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2020-10-27 08:36:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2020-10-27 08:36:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2020-10-27 08:36:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2020-10-27 08:36:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2020-10-27 08:36:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2020-10-27 08:36:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2020-10-27 08:36:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_writememory [2020-10-27 08:36:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_set_reset [2020-10-27 08:36:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2020-10-27 08:36:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2020-10-27 08:36:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2020-10-27 08:36:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2020-10-27 08:36:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2020-10-27 08:36:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2020-10-27 08:36:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 08:36:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_download [2020-10-27 08:36:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_attach [2020-10-27 08:36:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_attach [2020-10-27 08:36:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_release [2020-10-27 08:36:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_open [2020-10-27 08:36:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_close [2020-10-27 08:36:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write [2020-10-27 08:36:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_room [2020-10-27 08:36:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_ioctl [2020-10-27 08:36:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_set_termios [2020-10-27 08:36:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmget [2020-10-27 08:36:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmset [2020-10-27 08:36:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_break_ctl [2020-10-27 08:36:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_chars_in_buffer [2020-10-27 08:36:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_throttle [2020-10-27 08:36:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_unthrottle [2020-10-27 08:36:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_read_callback [2020-10-27 08:36:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_callback [2020-10-27 08:36:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure start_command_port [2020-10-27 08:36:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure stop_command_port [2020-10-27 08:36:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_write_callback [2020-10-27 08:36:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_read_callback [2020-10-27 08:36:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure start_port_read [2020-10-27 08:36:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure urb_to_wrap [2020-10-27 08:36:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure list_first [2020-10-27 08:36:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure rx_data_softint [2020-10-27 08:36:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure firm_send_command [2020-10-27 08:36:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure firm_open [2020-10-27 08:36:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure firm_close [2020-10-27 08:36:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure firm_setup_port [2020-10-27 08:36:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_rts [2020-10-27 08:36:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_dtr [2020-10-27 08:36:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_break [2020-10-27 08:36:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure firm_purge [2020-10-27 08:36:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure firm_get_dtr_rts [2020-10-27 08:36:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure firm_report_tx_done [2020-10-27 08:36:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-27 08:36:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 08:36:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_init [2020-10-27 08:36:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_exit [2020-10-27 08:36:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 08:36:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-27 08:36:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 08:36:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 08:36:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 08:36:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-27 08:36:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-27 08:36:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-27 08:36:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 08:36:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 08:36:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 08:36:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 08:36:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 08:36:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-27 08:36:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-27 08:36:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 08:36:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 08:36:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 08:36:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 08:36:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 08:36:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 08:36:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 08:36:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 08:36:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 08:36:23,232 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 08:36:23,248 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-27 08:36:23,248 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-27 08:36:23,259 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 08:36:23,585 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-27 08:36:23,585 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-27 08:36:24,110 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-27 08:36:32,947 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 08:36:33,031 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !false; [2020-10-27 08:36:33,031 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume false; [2020-10-27 08:36:33,328 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 08:36:33,453 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2020-10-27 08:36:33,454 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2020-10-27 08:36:33,929 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 08:36:33,930 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-10-27 08:36:33,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:36:33 BoogieIcfgContainer [2020-10-27 08:36:33,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 08:36:33,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 08:36:33,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 08:36:33,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 08:36:33,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:36:19" (1/3) ... [2020-10-27 08:36:33,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a80def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:36:33, skipping insertion in model container [2020-10-27 08:36:33,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:36:21" (2/3) ... [2020-10-27 08:36:33,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a80def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:36:33, skipping insertion in model container [2020-10-27 08:36:33,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:36:33" (3/3) ... [2020-10-27 08:36:33,945 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2020-10-27 08:36:33,957 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 08:36:33,964 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 08:36:33,977 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 08:36:34,012 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 08:36:34,013 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 08:36:34,013 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 08:36:34,013 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 08:36:34,013 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 08:36:34,013 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 08:36:34,013 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 08:36:34,013 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 08:36:34,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states. [2020-10-27 08:36:34,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 08:36:34,066 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:36:34,067 INFO L422 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, 1] [2020-10-27 08:36:34,067 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:36:34,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:36:34,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1523041211, now seen corresponding path program 1 times [2020-10-27 08:36:34,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:36:34,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [340277071] [2020-10-27 08:36:34,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:36:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:35,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 08:36:42,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7845 [2020-10-27 08:36:42,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:36:42,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:42,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 08:36:42,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 08:36:53,136 WARN L193 SmtUtils]: Spent 9.88 s on a formula simplification that was a NOOP. DAG size: 1357 [2020-10-27 08:36:53,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:53,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:57,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:57,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:57,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:57,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4052 [2020-10-27 08:36:57,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:57,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:57,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:57,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:36:57,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:57,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:36:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:57,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:57,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:57,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:36:57,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:57,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:36:57,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:36:57,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:57,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 08:36:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:57,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:57,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:57,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 08:36:57,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:57,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 08:36:57,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:57,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:57,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:57,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 08:36:57,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:57,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:57,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:57,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:57,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:57,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:57,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:36:57,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:57,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:57,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:57,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:57,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:57,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 08:36:57,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [340277071] [2020-10-27 08:36:57,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:36:57,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 08:36:57,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064515752] [2020-10-27 08:36:57,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 08:36:57,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:36:57,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 08:36:57,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 08:36:57,652 INFO L87 Difference]: Start difference. First operand 1383 states. Second operand 4 states. [2020-10-27 08:37:10,245 WARN L193 SmtUtils]: Spent 10.09 s on a formula simplification that was a NOOP. DAG size: 1359 [2020-10-27 08:38:33,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:38:33,396 INFO L93 Difference]: Finished difference Result 4064 states and 6059 transitions. [2020-10-27 08:38:33,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 08:38:33,403 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-27 08:38:33,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:38:33,450 INFO L225 Difference]: With dead ends: 4064 [2020-10-27 08:38:33,450 INFO L226 Difference]: Without dead ends: 2760 [2020-10-27 08:38:33,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 08:38:33,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2760 states. [2020-10-27 08:38:35,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2760 to 2592. [2020-10-27 08:38:35,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2592 states. [2020-10-27 08:38:35,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 2592 states and 3367 transitions. [2020-10-27 08:38:35,378 INFO L78 Accepts]: Start accepts. Automaton has 2592 states and 3367 transitions. Word has length 28 [2020-10-27 08:38:35,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:38:35,379 INFO L481 AbstractCegarLoop]: Abstraction has 2592 states and 3367 transitions. [2020-10-27 08:38:35,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 08:38:35,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2592 states and 3367 transitions. [2020-10-27 08:38:35,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-27 08:38:35,382 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:38:35,382 INFO L422 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, 1, 1] [2020-10-27 08:38:35,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 08:38:35,383 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:38:35,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:38:35,383 INFO L82 PathProgramCache]: Analyzing trace with hash -867616853, now seen corresponding path program 1 times [2020-10-27 08:38:35,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:38:35,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1363963052] [2020-10-27 08:38:35,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:38:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:38:35,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:38:41,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:38:41,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 08:38:41,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:38:41,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6297 [2020-10-27 08:38:41,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:38:41,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:38:41,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:38:41,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 08:38:41,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:38:52,259 WARN L193 SmtUtils]: Spent 10.16 s on a formula simplification that was a NOOP. DAG size: 1357 [2020-10-27 08:38:52,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:38:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:38:52,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:38:56,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:38:56,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:38:56,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:38:56,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3917 [2020-10-27 08:38:56,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:38:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:38:56,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:38:56,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:38:56,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:38:56,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:38:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:38:56,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:38:56,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:38:56,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:38:56,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:38:56,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:38:56,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:38:56,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:38:56,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:38:56,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:38:56,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:38:56,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 08:38:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:38:56,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:38:56,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:38:56,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 08:38:56,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:38:56,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 08:38:56,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:38:56,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:38:56,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:38:56,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 08:38:56,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:38:56,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:38:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:38:56,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:38:56,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:38:56,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:38:56,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:38:56,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:38:56,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:38:56,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:38:56,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:38:56,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:38:56,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:38:56,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 08:38:56,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1363963052] [2020-10-27 08:38:56,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:38:56,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 08:38:56,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107646047] [2020-10-27 08:38:56,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 08:38:56,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:38:56,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 08:38:56,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 08:38:56,544 INFO L87 Difference]: Start difference. First operand 2592 states and 3367 transitions. Second operand 4 states. [2020-10-27 08:39:09,167 WARN L193 SmtUtils]: Spent 10.10 s on a formula simplification that was a NOOP. DAG size: 1359 [2020-10-27 08:39:52,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:39:52,742 INFO L93 Difference]: Finished difference Result 2759 states and 3607 transitions. [2020-10-27 08:39:52,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 08:39:52,745 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-10-27 08:39:52,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:39:52,764 INFO L225 Difference]: With dead ends: 2759 [2020-10-27 08:39:52,765 INFO L226 Difference]: Without dead ends: 2742 [2020-10-27 08:39:52,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 08:39:52,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2742 states. [2020-10-27 08:39:54,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2742 to 2579. [2020-10-27 08:39:54,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2579 states. [2020-10-27 08:39:54,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 2579 states and 3347 transitions. [2020-10-27 08:39:54,430 INFO L78 Accepts]: Start accepts. Automaton has 2579 states and 3347 transitions. Word has length 29 [2020-10-27 08:39:54,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:39:54,430 INFO L481 AbstractCegarLoop]: Abstraction has 2579 states and 3347 transitions. [2020-10-27 08:39:54,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 08:39:54,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2579 states and 3347 transitions. [2020-10-27 08:39:54,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 08:39:54,445 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:39:54,446 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 08:39:54,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 08:39:54,446 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:39:54,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:39:54,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1530518892, now seen corresponding path program 1 times [2020-10-27 08:39:54,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:39:54,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1347096137] [2020-10-27 08:39:54,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:39:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:39:54,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:39:55,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:05,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:05,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-27 08:40:05,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:40:05,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11087 [2020-10-27 08:40:05,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:05,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 08:40:05,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:40:05,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 08:40:05,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1