/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--r8a66597-hcd.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:08:16,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:08:16,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:08:16,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:08:16,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:08:16,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:08:16,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:08:16,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:08:16,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:08:16,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:08:16,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:08:16,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:08:16,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:08:16,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:08:16,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:08:16,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:08:16,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:08:16,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:08:16,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:08:16,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:08:16,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:08:16,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:08:16,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:08:16,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:08:16,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:08:16,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:08:16,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:08:16,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:08:16,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:08:16,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:08:16,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:08:16,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:08:16,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:08:16,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:08:16,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:08:16,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:08:16,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:08:16,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:08:16,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:08:16,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:08:16,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:08:16,849 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:08:16,882 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:08:16,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:08:16,882 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:08:16,883 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:08:16,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:08:16,884 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:08:16,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:08:16,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:08:16,885 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:08:16,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:08:16,886 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:08:16,886 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:08:16,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:08:16,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:08:16,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:08:16,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:08:16,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:08:16,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:08:16,887 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:08:16,887 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:08:16,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:08:16,888 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:08:16,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:08:16,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:08:16,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:08:16,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:08:16,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:08:16,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:08:16,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:08:16,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:08:16,890 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:08:16,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:08:16,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:08:16,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:08:17,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:08:17,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:08:17,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:08:17,359 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:08:17,359 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:08:17,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--r8a66597-hcd.ko-main.cil.out.i [2022-10-15 21:08:17,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83d4d12d0/4f983180406d4193a84992e71712799c/FLAGc300eeb71 [2022-10-15 21:08:18,734 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:08:18,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--r8a66597-hcd.ko-main.cil.out.i [2022-10-15 21:08:18,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83d4d12d0/4f983180406d4193a84992e71712799c/FLAGc300eeb71 [2022-10-15 21:08:18,996 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83d4d12d0/4f983180406d4193a84992e71712799c [2022-10-15 21:08:19,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:08:19,008 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:08:19,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:08:19,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:08:19,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:08:19,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:08:18" (1/1) ... [2022-10-15 21:08:19,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28874f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:19, skipping insertion in model container [2022-10-15 21:08:19,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:08:18" (1/1) ... [2022-10-15 21:08:19,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:08:19,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:08:21,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--r8a66597-hcd.ko-main.cil.out.i[221868,221881] [2022-10-15 21:08:21,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:08:21,668 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:08:22,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--r8a66597-hcd.ko-main.cil.out.i[221868,221881] [2022-10-15 21:08:22,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:08:22,377 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:08:22,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:22 WrapperNode [2022-10-15 21:08:22,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:08:22,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:08:22,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:08:22,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:08:22,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:22" (1/1) ... [2022-10-15 21:08:22,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:22" (1/1) ... [2022-10-15 21:08:22,702 INFO L138 Inliner]: procedures = 277, calls = 1835, calls flagged for inlining = 117, calls inlined = 102, statements flattened = 4590 [2022-10-15 21:08:22,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:08:22,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:08:22,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:08:22,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:08:22,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:22" (1/1) ... [2022-10-15 21:08:22,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:22" (1/1) ... [2022-10-15 21:08:22,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:22" (1/1) ... [2022-10-15 21:08:22,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:22" (1/1) ... [2022-10-15 21:08:22,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:22" (1/1) ... [2022-10-15 21:08:22,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:22" (1/1) ... [2022-10-15 21:08:23,107 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:22" (1/1) ... [2022-10-15 21:08:23,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:22" (1/1) ... [2022-10-15 21:08:23,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:08:23,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:08:23,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:08:23,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:08:23,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:22" (1/1) ... [2022-10-15 21:08:23,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:08:23,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:08:23,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:08:23,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:08:23,303 INFO L130 BoogieDeclarations]: Found specification of procedure finish_request [2022-10-15 21:08:23,303 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_request [2022-10-15 21:08:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure start_transfer [2022-10-15 21:08:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure start_transfer [2022-10-15 21:08:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_status_data [2022-10-15 21:08:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_status_data [2022-10-15 21:08:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-15 21:08:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-15 21:08:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_resume [2022-10-15 21:08:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_resume [2022-10-15 21:08:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:08:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:08:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure disable_controller [2022-10-15 21:08:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_controller [2022-10-15 21:08:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_stop [2022-10-15 21:08:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_stop [2022-10-15 21:08:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure free_usb_address [2022-10-15 21:08:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure free_usb_address [2022-10-15 21:08:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_enable [2022-10-15 21:08:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_enable [2022-10-15 21:08:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure disable_r8a66597_pipe_all [2022-10-15 21:08:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_r8a66597_pipe_all [2022-10-15 21:08:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure enable_controller [2022-10-15 21:08:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_controller [2022-10-15 21:08:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:08:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:08:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-10-15 21:08:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-10-15 21:08:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_root_hub_start_polling [2022-10-15 21:08:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_root_hub_start_polling [2022-10-15 21:08:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:08:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:08:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-10-15 21:08:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-10-15 21:08:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_disable [2022-10-15 21:08:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_disable [2022-10-15 21:08:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_toggle_set [2022-10-15 21:08:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_toggle_set [2022-10-15 21:08:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_dequeue [2022-10-15 21:08:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_dequeue [2022-10-15 21:08:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:08:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:08:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2022-10-15 21:08:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2022-10-15 21:08:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_control [2022-10-15 21:08:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_control [2022-10-15 21:08:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure set_pipe_reg_addr [2022-10-15 21:08:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pipe_reg_addr [2022-10-15 21:08:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-10-15 21:08:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-10-15 21:08:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_addr [2022-10-15 21:08:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_addr [2022-10-15 21:08:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_done [2022-10-15 21:08:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_done [2022-10-15 21:08:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure check_next_phase [2022-10-15 21:08:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure check_next_phase [2022-10-15 21:08:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure get_intsts_reg [2022-10-15 21:08:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intsts_reg [2022-10-15 21:08:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:08:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:08:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_mdfy [2022-10-15 21:08:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_mdfy [2022-10-15 21:08:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure set_devadd_reg [2022-10-15 21:08:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure set_devadd_reg [2022-10-15 21:08:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_enqueue [2022-10-15 21:08:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_enqueue [2022-10-15 21:08:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure get_syssts_reg [2022-10-15 21:08:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syssts_reg [2022-10-15 21:08:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:08:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-15 21:08:23,315 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-15 21:08:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:08:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_start [2022-10-15 21:08:23,315 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_start [2022-10-15 21:08:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure check_transfer_finish [2022-10-15 21:08:23,315 INFO L138 BoogieDeclarations]: Found implementation of procedure check_transfer_finish [2022-10-15 21:08:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:08:23,316 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:08:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure enable_pipe_irq [2022-10-15 21:08:23,316 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_pipe_irq [2022-10-15 21:08:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-10-15 21:08:23,316 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-10-15 21:08:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-10-15 21:08:23,316 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-10-15 21:08:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:08:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-15 21:08:23,317 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-15 21:08:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:08:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_endpoint_disable [2022-10-15 21:08:23,317 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_endpoint_disable [2022-10-15 21:08:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure start_root_hub_sampling [2022-10-15 21:08:23,318 INFO L138 BoogieDeclarations]: Found implementation of procedure start_root_hub_sampling [2022-10-15 21:08:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_resume [2022-10-15 21:08:23,318 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_resume [2022-10-15 21:08:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-15 21:08:23,318 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-15 21:08:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-15 21:08:23,318 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-15 21:08:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:08:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:08:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure collect_usb_address_map [2022-10-15 21:08:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure collect_usb_address_map [2022-10-15 21:08:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_pipe_toggle [2022-10-15 21:08:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_pipe_toggle [2022-10-15 21:08:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure get_syscfg_reg [2022-10-15 21:08:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syscfg_reg [2022-10-15 21:08:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_write [2022-10-15 21:08:23,320 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_write [2022-10-15 21:08:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure get_toggle_pointer [2022-10-15 21:08:23,320 INFO L138 BoogieDeclarations]: Found implementation of procedure get_toggle_pointer [2022-10-15 21:08:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-15 21:08:23,320 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-15 21:08:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-10-15 21:08:23,320 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-10-15 21:08:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure get_parent_r8a66597_address [2022-10-15 21:08:23,321 INFO L138 BoogieDeclarations]: Found implementation of procedure get_parent_r8a66597_address [2022-10-15 21:08:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:08:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure packet_write [2022-10-15 21:08:23,321 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_write [2022-10-15 21:08:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-15 21:08:23,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-15 21:08:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-15 21:08:23,322 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-15 21:08:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:08:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure clk_put [2022-10-15 21:08:23,322 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_put [2022-10-15 21:08:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-10-15 21:08:23,322 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-10-15 21:08:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure get_port_number [2022-10-15 21:08:23,323 INFO L138 BoogieDeclarations]: Found implementation of procedure get_port_number [2022-10-15 21:08:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:08:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure force_dequeue [2022-10-15 21:08:23,323 INFO L138 BoogieDeclarations]: Found implementation of procedure force_dequeue [2022-10-15 21:08:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure get_intenb_reg [2022-10-15 21:08:23,323 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intenb_reg [2022-10-15 21:08:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_to_hcd [2022-10-15 21:08:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_to_hcd [2022-10-15 21:08:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure disable_pipe_irq [2022-10-15 21:08:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_pipe_irq [2022-10-15 21:08:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_setting [2022-10-15 21:08:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_setting [2022-10-15 21:08:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_clock_enable [2022-10-15 21:08:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_clock_enable [2022-10-15 21:08:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_dev [2022-10-15 21:08:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_dev [2022-10-15 21:08:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure get_dvstctr_reg [2022-10-15 21:08:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dvstctr_reg [2022-10-15 21:08:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure packet_read [2022-10-15 21:08:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_read [2022-10-15 21:08:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_change_from_pipe [2022-10-15 21:08:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_change_from_pipe [2022-10-15 21:08:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:08:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:08:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_error [2022-10-15 21:08:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_error [2022-10-15 21:08:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-15 21:08:23,327 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-15 21:08:23,366 INFO L130 BoogieDeclarations]: Found specification of procedure mbw_value [2022-10-15 21:08:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mbw_value [2022-10-15 21:08:23,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:08:23,366 INFO L130 BoogieDeclarations]: Found specification of procedure cfifo_change [2022-10-15 21:08:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure cfifo_change [2022-10-15 21:08:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_td [2022-10-15 21:08:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_td [2022-10-15 21:08:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:08:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:08:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_find_child [2022-10-15 21:08:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_find_child [2022-10-15 21:08:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:08:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_port_power [2022-10-15 21:08:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_port_power [2022-10-15 21:08:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:08:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-15 21:08:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-15 21:08:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:08:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure get_r8a66597_usb_speed [2022-10-15 21:08:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure get_r8a66597_usb_speed [2022-10-15 21:08:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_read [2022-10-15 21:08:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_read [2022-10-15 21:08:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-15 21:08:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-15 21:08:23,370 INFO L130 BoogieDeclarations]: Found specification of procedure set_td_timer [2022-10-15 21:08:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure set_td_timer [2022-10-15 21:08:23,370 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_packet_write [2022-10-15 21:08:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_packet_write [2022-10-15 21:08:23,370 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2022-10-15 21:08:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2022-10-15 21:08:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_suspend [2022-10-15 21:08:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_suspend [2022-10-15 21:08:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-10-15 21:08:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-10-15 21:08:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_irq [2022-10-15 21:08:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_irq [2022-10-15 21:08:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 21:08:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 21:08:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_reg_wait [2022-10-15 21:08:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_reg_wait [2022-10-15 21:08:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-15 21:08:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-15 21:08:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-15 21:08:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-15 21:08:23,373 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_usb_disconnect [2022-10-15 21:08:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_usb_disconnect [2022-10-15 21:08:23,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:08:23,373 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_frame [2022-10-15 21:08:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_frame [2022-10-15 21:08:23,373 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_suspend [2022-10-15 21:08:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_suspend [2022-10-15 21:08:23,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:08:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:08:23,374 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_r8a66597 [2022-10-15 21:08:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_r8a66597 [2022-10-15 21:08:24,163 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:08:24,169 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:08:28,853 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:08:28,875 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:08:28,876 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:08:28,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:08:28 BoogieIcfgContainer [2022-10-15 21:08:28,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:08:28,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:08:28,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:08:28,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:08:28,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:08:18" (1/3) ... [2022-10-15 21:08:28,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61deaf9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:08:28, skipping insertion in model container [2022-10-15 21:08:28,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:22" (2/3) ... [2022-10-15 21:08:28,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61deaf9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:08:28, skipping insertion in model container [2022-10-15 21:08:28,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:08:28" (3/3) ... [2022-10-15 21:08:28,893 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--usb--host--r8a66597-hcd.ko-main.cil.out.i [2022-10-15 21:08:28,914 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:08:28,915 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 230 error locations. [2022-10-15 21:08:29,032 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:08:29,041 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ed54b50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:08:29,041 INFO L358 AbstractCegarLoop]: Starting to check reachability of 230 error locations. [2022-10-15 21:08:29,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 2409 states, 1557 states have (on average 1.4791265253693) internal successors, (2303), 1842 states have internal predecessors, (2303), 523 states have call successors, (523), 98 states have call predecessors, (523), 98 states have return successors, (523), 514 states have call predecessors, (523), 523 states have call successors, (523) [2022-10-15 21:08:29,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-15 21:08:29,073 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:08:29,074 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:08:29,075 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-15 21:08:29,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:08:29,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1591090078, now seen corresponding path program 1 times [2022-10-15 21:08:29,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:08:29,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761241690] [2022-10-15 21:08:29,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:08:29,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:08:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:29,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:08:29,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:08:29,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761241690] [2022-10-15 21:08:29,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761241690] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:08:29,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:08:29,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:08:29,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186286906] [2022-10-15 21:08:29,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:08:29,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:08:29,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:08:29,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:08:29,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:08:29,740 INFO L87 Difference]: Start difference. First operand has 2409 states, 1557 states have (on average 1.4791265253693) internal successors, (2303), 1842 states have internal predecessors, (2303), 523 states have call successors, (523), 98 states have call predecessors, (523), 98 states have return successors, (523), 514 states have call predecessors, (523), 523 states have call successors, (523) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:08:30,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:08:30,462 INFO L93 Difference]: Finished difference Result 6933 states and 10050 transitions. [2022-10-15 21:08:30,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:08:30,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-10-15 21:08:30,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:08:30,526 INFO L225 Difference]: With dead ends: 6933 [2022-10-15 21:08:30,526 INFO L226 Difference]: Without dead ends: 4495 [2022-10-15 21:08:30,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:08:30,567 INFO L413 NwaCegarLoop]: 3933 mSDtfsCounter, 3058 mSDsluCounter, 3214 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3058 SdHoareTripleChecker+Valid, 7147 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:08:30,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3058 Valid, 7147 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:08:30,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4495 states. [2022-10-15 21:08:30,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4495 to 4352. [2022-10-15 21:08:30,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4352 states, 2999 states have (on average 1.4058019339779926) internal successors, (4216), 3248 states have internal predecessors, (4216), 1015 states have call successors, (1015), 190 states have call predecessors, (1015), 190 states have return successors, (1015), 997 states have call predecessors, (1015), 1015 states have call successors, (1015) [2022-10-15 21:08:31,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4352 states to 4352 states and 6246 transitions. [2022-10-15 21:08:31,049 INFO L78 Accepts]: Start accepts. Automaton has 4352 states and 6246 transitions. Word has length 13 [2022-10-15 21:08:31,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:08:31,050 INFO L495 AbstractCegarLoop]: Abstraction has 4352 states and 6246 transitions. [2022-10-15 21:08:31,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:08:31,050 INFO L276 IsEmpty]: Start isEmpty. Operand 4352 states and 6246 transitions. [2022-10-15 21:08:31,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-15 21:08:31,056 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:08:31,056 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:08:31,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:08:31,056 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-15 21:08:31,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:08:31,057 INFO L85 PathProgramCache]: Analyzing trace with hash -162046983, now seen corresponding path program 1 times [2022-10-15 21:08:31,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:08:31,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738363419] [2022-10-15 21:08:31,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:08:31,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:08:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:31,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:08:31,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:08:31,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738363419] [2022-10-15 21:08:31,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738363419] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:08:31,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:08:31,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:08:31,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883150261] [2022-10-15 21:08:31,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:08:31,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:08:31,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:08:31,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:08:31,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:08:31,261 INFO L87 Difference]: Start difference. First operand 4352 states and 6246 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:08:32,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:08:32,046 INFO L93 Difference]: Finished difference Result 12856 states and 18424 transitions. [2022-10-15 21:08:32,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:08:32,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-10-15 21:08:32,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:08:32,135 INFO L225 Difference]: With dead ends: 12856 [2022-10-15 21:08:32,135 INFO L226 Difference]: Without dead ends: 8507 [2022-10-15 21:08:32,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:08:32,181 INFO L413 NwaCegarLoop]: 4069 mSDtfsCounter, 3044 mSDsluCounter, 3159 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3044 SdHoareTripleChecker+Valid, 7228 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:08:32,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3044 Valid, 7228 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:08:32,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8507 states. [2022-10-15 21:08:32,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8507 to 8365. [2022-10-15 21:08:32,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8365 states, 5833 states have (on average 1.3994513972226985) internal successors, (8163), 6184 states have internal predecessors, (8163), 2008 states have call successors, (2008), 376 states have call predecessors, (2008), 376 states have return successors, (2008), 1972 states have call predecessors, (2008), 2008 states have call successors, (2008) [2022-10-15 21:08:32,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8365 states to 8365 states and 12179 transitions. [2022-10-15 21:08:32,934 INFO L78 Accepts]: Start accepts. Automaton has 8365 states and 12179 transitions. Word has length 22 [2022-10-15 21:08:32,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:08:32,934 INFO L495 AbstractCegarLoop]: Abstraction has 8365 states and 12179 transitions. [2022-10-15 21:08:32,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:08:32,935 INFO L276 IsEmpty]: Start isEmpty. Operand 8365 states and 12179 transitions. [2022-10-15 21:08:32,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-15 21:08:32,937 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:08:32,938 INFO L195 NwaCegarLoop]: 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] [2022-10-15 21:08:32,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:08:32,938 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting r8a66597_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-15 21:08:32,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:08:32,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1110125582, now seen corresponding path program 1 times [2022-10-15 21:08:32,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:08:32,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109386303] [2022-10-15 21:08:32,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:08:32,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:08:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:33,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:08:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:33,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:08:33,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:08:33,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109386303] [2022-10-15 21:08:33,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109386303] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:08:33,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:08:33,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:08:33,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123161874] [2022-10-15 21:08:33,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:08:33,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:08:33,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:08:33,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:08:33,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:08:33,087 INFO L87 Difference]: Start difference. First operand 8365 states and 12179 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:08:34,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:08:34,091 INFO L93 Difference]: Finished difference Result 17847 states and 25938 transitions. [2022-10-15 21:08:34,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:08:34,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-10-15 21:08:34,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:08:34,174 INFO L225 Difference]: With dead ends: 17847 [2022-10-15 21:08:34,174 INFO L226 Difference]: Without dead ends: 9485 [2022-10-15 21:08:34,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:08:34,239 INFO L413 NwaCegarLoop]: 3681 mSDtfsCounter, 650 mSDsluCounter, 3141 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 6822 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:08:34,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 6822 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:08:34,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9485 states. [2022-10-15 21:08:34,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9485 to 9463. [2022-10-15 21:08:34,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9463 states, 6619 states have (on average 1.4002115123130383) internal successors, (9268), 6992 states have internal predecessors, (9268), 2245 states have call successors, (2245), 451 states have call predecessors, (2245), 451 states have return successors, (2245), 2206 states have call predecessors, (2245), 2245 states have call successors, (2245) [2022-10-15 21:08:35,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9463 states to 9463 states and 13758 transitions. [2022-10-15 21:08:35,181 INFO L78 Accepts]: Start accepts. Automaton has 9463 states and 13758 transitions. Word has length 26 [2022-10-15 21:08:35,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:08:35,182 INFO L495 AbstractCegarLoop]: Abstraction has 9463 states and 13758 transitions. [2022-10-15 21:08:35,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:08:35,183 INFO L276 IsEmpty]: Start isEmpty. Operand 9463 states and 13758 transitions. [2022-10-15 21:08:35,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-15 21:08:35,184 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:08:35,184 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:08:35,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:08:35,185 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-15 21:08:35,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:08:35,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1800965344, now seen corresponding path program 1 times [2022-10-15 21:08:35,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:08:35,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262257100] [2022-10-15 21:08:35,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:08:35,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:08:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:35,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:08:35,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:08:35,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262257100] [2022-10-15 21:08:35,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262257100] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:08:35,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:08:35,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:08:35,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064985324] [2022-10-15 21:08:35,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:08:35,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:08:35,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:08:35,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:08:35,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:08:35,401 INFO L87 Difference]: Start difference. First operand 9463 states and 13758 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:08:36,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:08:36,522 INFO L93 Difference]: Finished difference Result 18923 states and 27513 transitions. [2022-10-15 21:08:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:08:36,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-10-15 21:08:36,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:08:36,836 INFO L225 Difference]: With dead ends: 18923 [2022-10-15 21:08:36,836 INFO L226 Difference]: Without dead ends: 18911 [2022-10-15 21:08:36,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:08:36,859 INFO L413 NwaCegarLoop]: 3757 mSDtfsCounter, 3167 mSDsluCounter, 3179 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3167 SdHoareTripleChecker+Valid, 6936 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:08:36,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3167 Valid, 6936 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:08:36,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18911 states. [2022-10-15 21:08:38,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18911 to 18775. [2022-10-15 21:08:38,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18775 states, 13235 states have (on average 1.3966754816773705) internal successors, (18485), 13834 states have internal predecessors, (18485), 4490 states have call successors, (4490), 902 states have call predecessors, (4490), 902 states have return successors, (4490), 4412 states have call predecessors, (4490), 4490 states have call successors, (4490) [2022-10-15 21:08:38,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18775 states to 18775 states and 27465 transitions. [2022-10-15 21:08:38,340 INFO L78 Accepts]: Start accepts. Automaton has 18775 states and 27465 transitions. Word has length 25 [2022-10-15 21:08:38,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:08:38,341 INFO L495 AbstractCegarLoop]: Abstraction has 18775 states and 27465 transitions. [2022-10-15 21:08:38,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:08:38,342 INFO L276 IsEmpty]: Start isEmpty. Operand 18775 states and 27465 transitions. [2022-10-15 21:08:38,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-15 21:08:38,347 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:08:38,347 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-15 21:08:38,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:08:38,348 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting r8a66597_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-15 21:08:38,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:08:38,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1439252400, now seen corresponding path program 1 times [2022-10-15 21:08:38,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:08:38,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828059807] [2022-10-15 21:08:38,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:08:38,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:08:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:38,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:08:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:38,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:08:38,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:08:38,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828059807] [2022-10-15 21:08:38,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828059807] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:08:38,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:08:38,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:08:38,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032743] [2022-10-15 21:08:38,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:08:38,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:08:38,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:08:38,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:08:38,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:08:38,700 INFO L87 Difference]: Start difference. First operand 18775 states and 27465 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:08:40,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:08:40,632 INFO L93 Difference]: Finished difference Result 44590 states and 65146 transitions. [2022-10-15 21:08:40,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:08:40,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2022-10-15 21:08:40,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:08:40,836 INFO L225 Difference]: With dead ends: 44590 [2022-10-15 21:08:40,836 INFO L226 Difference]: Without dead ends: 25818 [2022-10-15 21:08:41,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:08:41,099 INFO L413 NwaCegarLoop]: 4360 mSDtfsCounter, 3121 mSDsluCounter, 3112 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3121 SdHoareTripleChecker+Valid, 7472 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:08:41,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3121 Valid, 7472 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:08:41,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25818 states. [2022-10-15 21:08:43,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25818 to 25674. [2022-10-15 21:08:43,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25674 states, 18211 states have (on average 1.3909175772884521) internal successors, (25330), 18994 states have internal predecessors, (25330), 6093 states have call successors, (6093), 1222 states have call predecessors, (6093), 1222 states have return successors, (6093), 5981 states have call predecessors, (6093), 6093 states have call successors, (6093) [2022-10-15 21:08:43,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25674 states to 25674 states and 37516 transitions. [2022-10-15 21:08:43,446 INFO L78 Accepts]: Start accepts. Automaton has 25674 states and 37516 transitions. Word has length 38 [2022-10-15 21:08:43,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:08:43,448 INFO L495 AbstractCegarLoop]: Abstraction has 25674 states and 37516 transitions. [2022-10-15 21:08:43,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:08:43,449 INFO L276 IsEmpty]: Start isEmpty. Operand 25674 states and 37516 transitions. [2022-10-15 21:08:43,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 21:08:43,456 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:08:43,456 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-15 21:08:43,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:08:43,456 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting r8a66597_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-15 21:08:43,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:08:43,457 INFO L85 PathProgramCache]: Analyzing trace with hash -875327919, now seen corresponding path program 1 times [2022-10-15 21:08:43,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:08:43,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262397926] [2022-10-15 21:08:43,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:08:43,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:08:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:44,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-15 21:08:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:44,269 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-15 21:08:44,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:08:44,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262397926] [2022-10-15 21:08:44,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262397926] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:08:44,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:08:44,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:08:44,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212588369] [2022-10-15 21:08:44,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:08:44,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:08:44,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:08:44,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:08:44,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:08:44,272 INFO L87 Difference]: Start difference. First operand 25674 states and 37516 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:08:46,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:08:46,728 INFO L93 Difference]: Finished difference Result 51018 states and 74597 transitions. [2022-10-15 21:08:46,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:08:46,729 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2022-10-15 21:08:46,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:08:46,939 INFO L225 Difference]: With dead ends: 51018 [2022-10-15 21:08:46,939 INFO L226 Difference]: Without dead ends: 25672 [2022-10-15 21:08:47,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:08:47,055 INFO L413 NwaCegarLoop]: 3182 mSDtfsCounter, 3345 mSDsluCounter, 6188 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3347 SdHoareTripleChecker+Valid, 9370 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:08:47,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3347 Valid, 9370 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:08:47,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25672 states. [2022-10-15 21:08:49,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25672 to 25672. [2022-10-15 21:08:49,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25672 states, 18211 states have (on average 1.3876228653011915) internal successors, (25270), 18992 states have internal predecessors, (25270), 6093 states have call successors, (6093), 1222 states have call predecessors, (6093), 1222 states have return successors, (6093), 5981 states have call predecessors, (6093), 6093 states have call successors, (6093) [2022-10-15 21:08:49,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25672 states to 25672 states and 37456 transitions. [2022-10-15 21:08:49,310 INFO L78 Accepts]: Start accepts. Automaton has 25672 states and 37456 transitions. Word has length 37 [2022-10-15 21:08:49,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:08:49,311 INFO L495 AbstractCegarLoop]: Abstraction has 25672 states and 37456 transitions. [2022-10-15 21:08:49,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:08:49,311 INFO L276 IsEmpty]: Start isEmpty. Operand 25672 states and 37456 transitions. [2022-10-15 21:08:49,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-15 21:08:49,315 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:08:49,315 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-10-15 21:08:49,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:08:49,316 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-15 21:08:49,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:08:49,317 INFO L85 PathProgramCache]: Analyzing trace with hash 2009409272, now seen corresponding path program 1 times [2022-10-15 21:08:49,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:08:49,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861761091] [2022-10-15 21:08:49,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:08:49,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:08:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:49,511 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-15 21:08:49,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:08:49,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861761091] [2022-10-15 21:08:49,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861761091] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:08:49,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:08:49,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:08:49,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472101115] [2022-10-15 21:08:49,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:08:49,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:08:49,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:08:49,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:08:49,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:08:49,515 INFO L87 Difference]: Start difference. First operand 25672 states and 37456 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:08:53,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:08:53,055 INFO L93 Difference]: Finished difference Result 68625 states and 100096 transitions. [2022-10-15 21:08:53,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:08:53,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-10-15 21:08:53,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:08:53,403 INFO L225 Difference]: With dead ends: 68625 [2022-10-15 21:08:53,403 INFO L226 Difference]: Without dead ends: 51339 [2022-10-15 21:08:53,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:08:53,490 INFO L413 NwaCegarLoop]: 6311 mSDtfsCounter, 3429 mSDsluCounter, 9237 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3429 SdHoareTripleChecker+Valid, 15548 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:08:53,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3429 Valid, 15548 Invalid, 109 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [62 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:08:53,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51339 states. [2022-10-15 21:08:57,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51339 to 25690. [2022-10-15 21:08:57,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25690 states, 18229 states have (on average 1.3872401119095945) internal successors, (25288), 19010 states have internal predecessors, (25288), 6093 states have call successors, (6093), 1222 states have call predecessors, (6093), 1222 states have return successors, (6093), 5981 states have call predecessors, (6093), 6093 states have call successors, (6093) [2022-10-15 21:08:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25690 states to 25690 states and 37474 transitions. [2022-10-15 21:08:57,235 INFO L78 Accepts]: Start accepts. Automaton has 25690 states and 37474 transitions. Word has length 36 [2022-10-15 21:08:57,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:08:57,237 INFO L495 AbstractCegarLoop]: Abstraction has 25690 states and 37474 transitions. [2022-10-15 21:08:57,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:08:57,237 INFO L276 IsEmpty]: Start isEmpty. Operand 25690 states and 37474 transitions. [2022-10-15 21:08:57,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-15 21:08:57,245 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:08:57,245 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 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] [2022-10-15 21:08:57,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:08:57,246 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-15 21:08:57,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:08:57,247 INFO L85 PathProgramCache]: Analyzing trace with hash 2041147668, now seen corresponding path program 1 times [2022-10-15 21:08:57,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:08:57,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428034475] [2022-10-15 21:08:57,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:08:57,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:08:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:57,493 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:08:57,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:08:57,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428034475] [2022-10-15 21:08:57,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428034475] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:08:57,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:08:57,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:08:57,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181474024] [2022-10-15 21:08:57,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:08:57,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:08:57,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:08:57,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:08:57,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:08:57,496 INFO L87 Difference]: Start difference. First operand 25690 states and 37474 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)