/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-commit-tester/main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:32:50,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:32:50,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:32:50,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:32:50,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:32:50,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:32:50,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:32:50,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:32:50,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:32:50,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:32:50,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:32:50,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:32:50,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:32:50,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:32:50,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:32:50,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:32:50,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:32:50,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:32:50,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:32:50,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:32:50,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:32:50,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:32:50,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:32:50,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:32:50,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:32:50,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:32:50,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:32:50,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:32:50,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:32:50,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:32:50,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:32:50,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:32:50,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:32:50,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:32:50,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:32:50,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:32:50,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:32:50,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:32:50,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:32:50,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:32:50,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:32:50,838 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 [2022-10-16 12:32:50,866 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:32:50,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:32:50,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:32:50,868 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:32:50,869 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:32:50,869 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:32:50,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:32:50,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:32:50,870 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:32:50,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:32:50,871 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:32:50,871 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:32:50,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:32:50,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:32:50,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:32:50,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:32:50,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:32:50,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:32:50,873 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:32:50,873 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:32:50,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:32:50,874 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:32:50,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:32:50,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:32:50,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:32:50,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:32:50,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:32:50,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:32:50,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:32:50,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:32:50,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:32:50,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:32:50,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:32:50,877 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:32:51,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:32:51,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:32:51,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:32:51,305 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:32:51,306 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:32:51,308 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa-1.i [2022-10-16 12:32:51,390 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98f25a829/e952370601a148a5879372726bc2a2e6/FLAG5380b3957 [2022-10-16 12:32:52,512 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:32:52,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa-1.i [2022-10-16 12:32:52,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98f25a829/e952370601a148a5879372726bc2a2e6/FLAG5380b3957 [2022-10-16 12:32:52,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98f25a829/e952370601a148a5879372726bc2a2e6 [2022-10-16 12:32:52,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:32:52,933 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:32:52,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:32:52,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:32:52,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:32:52,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:32:52" (1/1) ... [2022-10-16 12:32:52,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6936818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:32:52, skipping insertion in model container [2022-10-16 12:32:52,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:32:52" (1/1) ... [2022-10-16 12:32:52,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:32:53,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:32:54,902 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-commit-tester/main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa-1.i[259096,259109] [2022-10-16 12:32:54,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:32:55,008 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:32:55,569 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-commit-tester/main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa-1.i[259096,259109] [2022-10-16 12:32:55,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:32:55,697 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:32:55,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:32:55 WrapperNode [2022-10-16 12:32:55,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:32:55,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:32:55,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:32:55,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:32:55,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:32:55" (1/1) ... [2022-10-16 12:32:55,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:32:55" (1/1) ... [2022-10-16 12:32:55,960 INFO L138 Inliner]: procedures = 197, calls = 1839, calls flagged for inlining = 95, calls inlined = 62, statements flattened = 3018 [2022-10-16 12:32:55,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:32:55,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:32:55,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:32:55,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:32:55,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:32:55" (1/1) ... [2022-10-16 12:32:55,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:32:55" (1/1) ... [2022-10-16 12:32:55,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:32:55" (1/1) ... [2022-10-16 12:32:55,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:32:55" (1/1) ... [2022-10-16 12:32:56,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:32:55" (1/1) ... [2022-10-16 12:32:56,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:32:55" (1/1) ... [2022-10-16 12:32:56,169 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:32:55" (1/1) ... [2022-10-16 12:32:56,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:32:55" (1/1) ... [2022-10-16 12:32:56,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:32:56,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:32:56,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:32:56,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:32:56,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:32:55" (1/1) ... [2022-10-16 12:32:56,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:32:56,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:32:56,256 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) [2022-10-16 12:32:56,280 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 [2022-10-16 12:32:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-10-16 12:32:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-10-16 12:32:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-16 12:32:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-16 12:32:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_to_hcd [2022-10-16 12:32:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_to_hcd [2022-10-16 12:32:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:32:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:32:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 12:32:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 12:32:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 12:32:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 12:32:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 12:32:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 12:32:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2022-10-16 12:32:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2022-10-16 12:32:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:32:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-16 12:32:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-16 12:32:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:32:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-16 12:32:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-16 12:32:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 12:32:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 12:32:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:32:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:32:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-10-16 12:32:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-10-16 12:32:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_event_add [2022-10-16 12:32:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_event_add [2022-10-16 12:32:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-16 12:32:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-16 12:32:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-16 12:32:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-16 12:32:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-16 12:32:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-16 12:32:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-16 12:32:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-16 12:32:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-10-16 12:32:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-10-16 12:32:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-10-16 12:32:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-10-16 12:32:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-16 12:32:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-16 12:32:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-16 12:32:56,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-16 12:32:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-10-16 12:32:56,337 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-10-16 12:32:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-10-16 12:32:56,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-10-16 12:32:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:32:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure dump_port_status [2022-10-16 12:32:56,338 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_port_status [2022-10-16 12:32:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure port_to_vdev [2022-10-16 12:32:56,338 INFO L138 BoogieDeclarations]: Found implementation of procedure port_to_vdev [2022-10-16 12:32:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 12:32:56,338 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 12:32:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-16 12:32:56,339 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-16 12:32:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:32:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-16 12:32:56,339 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-16 12:32:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 12:32:56,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 12:32:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:32:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2022-10-16 12:32:56,340 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2022-10-16 12:32:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-10-16 12:32:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:32:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:32:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 12:32:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-16 12:32:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-16 12:32:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-10-16 12:32:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-10-16 12:32:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-10-16 12:32:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-10-16 12:32:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-16 12:32:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-16 12:32:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_vhci [2022-10-16 12:32:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_vhci [2022-10-16 12:32:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-10-16 12:32:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-10-16 12:32:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-16 12:32:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-16 12:32:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_dev [2022-10-16 12:32:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_dev [2022-10-16 12:32:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-16 12:32:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-16 12:32:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-16 12:32:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-16 12:32:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:32:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-16 12:32:56,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-16 12:32:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_task_init [2022-10-16 12:32:56,344 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_task_init [2022-10-16 12:32:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:32:56,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:32:56,885 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:32:56,888 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:33:00,681 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:33:00,699 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:33:00,700 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 12:33:00,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:33:00 BoogieIcfgContainer [2022-10-16 12:33:00,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:33:00,706 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:33:00,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:33:00,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:33:00,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:32:52" (1/3) ... [2022-10-16 12:33:00,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228925e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:33:00, skipping insertion in model container [2022-10-16 12:33:00,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:32:55" (2/3) ... [2022-10-16 12:33:00,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228925e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:33:00, skipping insertion in model container [2022-10-16 12:33:00,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:33:00" (3/3) ... [2022-10-16 12:33:00,714 INFO L112 eAbstractionObserver]: Analyzing ICFG main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa-1.i [2022-10-16 12:33:00,737 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:33:00,738 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2022-10-16 12:33:00,827 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:33:00,839 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;@3b6da387, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:33:00,840 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2022-10-16 12:33:00,849 INFO L276 IsEmpty]: Start isEmpty. Operand has 934 states, 654 states have (on average 1.389908256880734) internal successors, (909), 704 states have internal predecessors, (909), 195 states have call successors, (195), 42 states have call predecessors, (195), 42 states have return successors, (195), 194 states have call predecessors, (195), 195 states have call successors, (195) [2022-10-16 12:33:00,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-16 12:33:00,869 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:33:00,870 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:33:00,871 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [dump_port_statusErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, dump_port_statusErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dump_port_statusErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 12:33:00,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:33:00,878 INFO L85 PathProgramCache]: Analyzing trace with hash -197333580, now seen corresponding path program 1 times [2022-10-16 12:33:00,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:33:00,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340887082] [2022-10-16 12:33:00,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:33:00,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:33:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:01,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:33:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:01,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 12:33:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:02,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:33:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:02,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 12:33:02,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:33:02,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340887082] [2022-10-16 12:33:02,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340887082] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:33:02,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:33:02,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:33:02,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267270121] [2022-10-16 12:33:02,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:33:02,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:33:02,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:33:02,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:33:02,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:33:02,065 INFO L87 Difference]: Start difference. First operand has 934 states, 654 states have (on average 1.389908256880734) internal successors, (909), 704 states have internal predecessors, (909), 195 states have call successors, (195), 42 states have call predecessors, (195), 42 states have return successors, (195), 194 states have call predecessors, (195), 195 states have call successors, (195) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:33:02,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:33:02,299 INFO L93 Difference]: Finished difference Result 1767 states and 2457 transitions. [2022-10-16 12:33:02,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:33:02,304 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2022-10-16 12:33:02,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:33:02,342 INFO L225 Difference]: With dead ends: 1767 [2022-10-16 12:33:02,343 INFO L226 Difference]: Without dead ends: 834 [2022-10-16 12:33:02,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:33:02,363 INFO L413 NwaCegarLoop]: 1190 mSDtfsCounter, 9 mSDsluCounter, 2373 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3563 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:33:02,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3563 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:33:02,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2022-10-16 12:33:02,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 834. [2022-10-16 12:33:02,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 577 states have (on average 1.3552859618717505) internal successors, (782), 619 states have internal predecessors, (782), 181 states have call successors, (181), 38 states have call predecessors, (181), 38 states have return successors, (181), 180 states have call predecessors, (181), 181 states have call successors, (181) [2022-10-16 12:33:02,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1144 transitions. [2022-10-16 12:33:02,513 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1144 transitions. Word has length 33 [2022-10-16 12:33:02,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:33:02,515 INFO L495 AbstractCegarLoop]: Abstraction has 834 states and 1144 transitions. [2022-10-16 12:33:02,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:33:02,516 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1144 transitions. [2022-10-16 12:33:02,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-16 12:33:02,522 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:33:02,522 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:33:02,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:33:02,523 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [dump_port_statusErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, dump_port_statusErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dump_port_statusErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 12:33:02,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:33:02,524 INFO L85 PathProgramCache]: Analyzing trace with hash -305830584, now seen corresponding path program 1 times [2022-10-16 12:33:02,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:33:02,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071300960] [2022-10-16 12:33:02,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:33:02,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:33:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:03,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:33:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:03,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 12:33:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:03,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:33:03,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:33:03,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071300960] [2022-10-16 12:33:03,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071300960] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:33:03,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:33:03,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:33:03,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172189994] [2022-10-16 12:33:03,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:33:03,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:33:03,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:33:03,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:33:03,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:33:03,333 INFO L87 Difference]: Start difference. First operand 834 states and 1144 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:33:03,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:33:03,527 INFO L93 Difference]: Finished difference Result 2263 states and 3180 transitions. [2022-10-16 12:33:03,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:33:03,528 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2022-10-16 12:33:03,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:33:03,542 INFO L225 Difference]: With dead ends: 2263 [2022-10-16 12:33:03,542 INFO L226 Difference]: Without dead ends: 1451 [2022-10-16 12:33:03,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:33:03,548 INFO L413 NwaCegarLoop]: 1805 mSDtfsCounter, 624 mSDsluCounter, 4844 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 6649 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:33:03,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [792 Valid, 6649 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:33:03,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2022-10-16 12:33:03,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 828. [2022-10-16 12:33:03,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 573 states have (on average 1.3525305410122164) internal successors, (775), 615 states have internal predecessors, (775), 179 states have call successors, (179), 38 states have call predecessors, (179), 38 states have return successors, (179), 178 states have call predecessors, (179), 179 states have call successors, (179) [2022-10-16 12:33:03,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1133 transitions. [2022-10-16 12:33:03,616 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1133 transitions. Word has length 42 [2022-10-16 12:33:03,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:33:03,617 INFO L495 AbstractCegarLoop]: Abstraction has 828 states and 1133 transitions. [2022-10-16 12:33:03,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:33:03,617 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1133 transitions. [2022-10-16 12:33:03,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 12:33:03,621 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:33:03,622 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, 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] [2022-10-16 12:33:03,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:33:03,622 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [dump_port_statusErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, dump_port_statusErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dump_port_statusErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 12:33:03,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:33:03,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1732577502, now seen corresponding path program 1 times [2022-10-16 12:33:03,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:33:03,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125900965] [2022-10-16 12:33:03,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:33:03,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:33:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:04,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:33:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:04,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 12:33:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:04,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 12:33:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:04,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 12:33:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:04,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 12:33:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:04,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 12:33:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:04,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 12:33:04,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:33:04,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125900965] [2022-10-16 12:33:04,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125900965] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:33:04,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:33:04,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:33:04,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283457271] [2022-10-16 12:33:04,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:33:04,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:33:04,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:33:04,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:33:04,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:33:04,241 INFO L87 Difference]: Start difference. First operand 828 states and 1133 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 12:33:04,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:33:04,321 INFO L93 Difference]: Finished difference Result 1632 states and 2237 transitions. [2022-10-16 12:33:04,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:33:04,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 52 [2022-10-16 12:33:04,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:33:04,330 INFO L225 Difference]: With dead ends: 1632 [2022-10-16 12:33:04,330 INFO L226 Difference]: Without dead ends: 847 [2022-10-16 12:33:04,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:33:04,335 INFO L413 NwaCegarLoop]: 1134 mSDtfsCounter, 16 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2255 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:33:04,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2255 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:33:04,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2022-10-16 12:33:04,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 845. [2022-10-16 12:33:04,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 588 states have (on average 1.3520408163265305) internal successors, (795), 630 states have internal predecessors, (795), 181 states have call successors, (181), 38 states have call predecessors, (181), 38 states have return successors, (181), 180 states have call predecessors, (181), 181 states have call successors, (181) [2022-10-16 12:33:04,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1157 transitions. [2022-10-16 12:33:04,378 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1157 transitions. Word has length 52 [2022-10-16 12:33:04,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:33:04,379 INFO L495 AbstractCegarLoop]: Abstraction has 845 states and 1157 transitions. [2022-10-16 12:33:04,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 12:33:04,379 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1157 transitions. [2022-10-16 12:33:04,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 12:33:04,383 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:33:04,383 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, 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] [2022-10-16 12:33:04,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:33:04,384 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [dump_port_statusErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, dump_port_statusErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dump_port_statusErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 12:33:04,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:33:04,384 INFO L85 PathProgramCache]: Analyzing trace with hash -549712519, now seen corresponding path program 1 times [2022-10-16 12:33:04,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:33:04,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694851076] [2022-10-16 12:33:04,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:33:04,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:33:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:04,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:33:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:04,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 12:33:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:04,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-16 12:33:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:04,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 12:33:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:04,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 12:33:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:04,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:33:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:04,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:33:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:04,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 12:33:04,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:33:04,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694851076] [2022-10-16 12:33:04,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694851076] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:33:04,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:33:04,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:33:04,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861850285] [2022-10-16 12:33:04,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:33:04,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:33:04,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:33:04,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:33:04,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:33:04,857 INFO L87 Difference]: Start difference. First operand 845 states and 1157 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 12:33:04,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:33:04,954 INFO L93 Difference]: Finished difference Result 1654 states and 2267 transitions. [2022-10-16 12:33:04,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:33:04,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 54 [2022-10-16 12:33:04,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:33:04,962 INFO L225 Difference]: With dead ends: 1654 [2022-10-16 12:33:04,962 INFO L226 Difference]: Without dead ends: 852 [2022-10-16 12:33:04,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:33:04,967 INFO L413 NwaCegarLoop]: 1130 mSDtfsCounter, 9 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2242 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:33:04,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2242 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:33:04,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2022-10-16 12:33:04,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 852. [2022-10-16 12:33:05,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 594 states have (on average 1.3484848484848484) internal successors, (801), 636 states have internal predecessors, (801), 182 states have call successors, (182), 38 states have call predecessors, (182), 38 states have return successors, (182), 181 states have call predecessors, (182), 182 states have call successors, (182) [2022-10-16 12:33:05,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1165 transitions. [2022-10-16 12:33:05,006 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1165 transitions. Word has length 54 [2022-10-16 12:33:05,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:33:05,007 INFO L495 AbstractCegarLoop]: Abstraction has 852 states and 1165 transitions. [2022-10-16 12:33:05,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 12:33:05,008 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1165 transitions. [2022-10-16 12:33:05,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 12:33:05,011 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:33:05,011 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, 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] [2022-10-16 12:33:05,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:33:05,011 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [dump_port_statusErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, dump_port_statusErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dump_port_statusErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 12:33:05,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:33:05,012 INFO L85 PathProgramCache]: Analyzing trace with hash 396318259, now seen corresponding path program 1 times [2022-10-16 12:33:05,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:33:05,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252779798] [2022-10-16 12:33:05,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:33:05,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:33:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:05,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:33:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:05,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 12:33:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:05,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 12:33:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:05,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 12:33:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:05,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 12:33:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:05,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 12:33:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:05,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 12:33:05,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:33:05,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252779798] [2022-10-16 12:33:05,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252779798] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:33:05,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:33:05,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:33:05,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481114997] [2022-10-16 12:33:05,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:33:05,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:33:05,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:33:05,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:33:05,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:33:05,499 INFO L87 Difference]: Start difference. First operand 852 states and 1165 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 12:33:05,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:33:05,593 INFO L93 Difference]: Finished difference Result 1663 states and 2274 transitions. [2022-10-16 12:33:05,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:33:05,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 56 [2022-10-16 12:33:05,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:33:05,602 INFO L225 Difference]: With dead ends: 1663 [2022-10-16 12:33:05,603 INFO L226 Difference]: Without dead ends: 840 [2022-10-16 12:33:05,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:33:05,608 INFO L413 NwaCegarLoop]: 1131 mSDtfsCounter, 9 mSDsluCounter, 3372 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 4503 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:33:05,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 4503 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:33:05,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2022-10-16 12:33:05,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 840. [2022-10-16 12:33:05,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 586 states have (on average 1.3464163822525597) internal successors, (789), 627 states have internal predecessors, (789), 179 states have call successors, (179), 37 states have call predecessors, (179), 37 states have return successors, (179), 178 states have call predecessors, (179), 179 states have call successors, (179) [2022-10-16 12:33:05,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1147 transitions. [2022-10-16 12:33:05,650 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1147 transitions. Word has length 56 [2022-10-16 12:33:05,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:33:05,651 INFO L495 AbstractCegarLoop]: Abstraction has 840 states and 1147 transitions. [2022-10-16 12:33:05,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 12:33:05,651 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1147 transitions. [2022-10-16 12:33:05,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 12:33:05,654 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:33:05,655 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, 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] [2022-10-16 12:33:05,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:33:05,655 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [dump_port_statusErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, dump_port_statusErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dump_port_statusErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 12:33:05,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:33:05,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1664217460, now seen corresponding path program 1 times [2022-10-16 12:33:05,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:33:05,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819794955] [2022-10-16 12:33:05,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:33:05,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:33:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:33:06,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 12:33:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:33:06,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 12:33:06,374 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 12:33:06,376 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 42 remaining) [2022-10-16 12:33:06,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dump_port_statusErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 42 remaining) [2022-10-16 12:33:06,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dump_port_statusErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 42 remaining) [2022-10-16 12:33:06,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dump_port_statusErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 42 remaining) [2022-10-16 12:33:06,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dump_port_statusErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 42 remaining) [2022-10-16 12:33:06,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atomic_add_returnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 42 remaining) [2022-10-16 12:33:06,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atomic_add_returnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 42 remaining) [2022-10-16 12:33:06,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location kzallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 42 remaining) [2022-10-16 12:33:06,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location kzallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 42 remaining) [2022-10-16 12:33:06,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 42 remaining) [2022-10-16 12:33:06,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 42 remaining) [2022-10-16 12:33:06,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 42 remaining) [2022-10-16 12:33:06,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 42 remaining) [2022-10-16 12:33:06,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 42 remaining) [2022-10-16 12:33:06,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 42 remaining) [2022-10-16 12:33:06,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 42 remaining) [2022-10-16 12:33:06,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 42 remaining) [2022-10-16 12:33:06,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 42 remaining) [2022-10-16 12:33:06,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 42 remaining) [2022-10-16 12:33:06,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 42 remaining) [2022-10-16 12:33:06,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 42 remaining) [2022-10-16 12:33:06,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 42 remaining) [2022-10-16 12:33:06,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 42 remaining) [2022-10-16 12:33:06,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 42 remaining) [2022-10-16 12:33:06,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 42 remaining) [2022-10-16 12:33:06,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 42 remaining) [2022-10-16 12:33:06,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 42 remaining) [2022-10-16 12:33:06,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 42 remaining) [2022-10-16 12:33:06,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 42 remaining) [2022-10-16 12:33:06,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 42 remaining) [2022-10-16 12:33:06,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 42 remaining) [2022-10-16 12:33:06,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 42 remaining) [2022-10-16 12:33:06,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 42 remaining) [2022-10-16 12:33:06,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 42 remaining) [2022-10-16 12:33:06,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 42 remaining) [2022-10-16 12:33:06,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 42 remaining) [2022-10-16 12:33:06,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 42 remaining) [2022-10-16 12:33:06,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 42 remaining) [2022-10-16 12:33:06,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 42 remaining) [2022-10-16 12:33:06,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 42 remaining) [2022-10-16 12:33:06,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 42 remaining) [2022-10-16 12:33:06,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 42 remaining) [2022-10-16 12:33:06,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:33:06,393 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-10-16 12:33:06,398 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 12:33:06,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:33:06 BoogieIcfgContainer [2022-10-16 12:33:06,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 12:33:06,544 INFO L158 Benchmark]: Toolchain (without parser) took 13615.87ms. Allocated memory was 160.4MB in the beginning and 448.8MB in the end (delta: 288.4MB). Free memory was 123.7MB in the beginning and 366.5MB in the end (delta: -242.7MB). Peak memory consumption was 289.6MB. Max. memory is 8.0GB. [2022-10-16 12:33:06,544 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 160.4MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 12:33:06,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2761.72ms. Allocated memory was 160.4MB in the beginning and 207.6MB in the end (delta: 47.2MB). Free memory was 123.5MB in the beginning and 121.0MB in the end (delta: 2.5MB). Peak memory consumption was 105.1MB. Max. memory is 8.0GB. [2022-10-16 12:33:06,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 261.47ms. Allocated memory is still 207.6MB. Free memory was 121.0MB in the beginning and 146.3MB in the end (delta: -25.2MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-10-16 12:33:06,546 INFO L158 Benchmark]: Boogie Preprocessor took 248.90ms. Allocated memory is still 207.6MB. Free memory was 146.3MB in the beginning and 129.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-10-16 12:33:06,546 INFO L158 Benchmark]: RCFGBuilder took 4493.09ms. Allocated memory was 207.6MB in the beginning and 351.3MB in the end (delta: 143.7MB). Free memory was 129.5MB in the beginning and 262.8MB in the end (delta: -133.3MB). Peak memory consumption was 132.5MB. Max. memory is 8.0GB. [2022-10-16 12:33:06,547 INFO L158 Benchmark]: TraceAbstraction took 5837.33ms. Allocated memory was 351.3MB in the beginning and 448.8MB in the end (delta: 97.5MB). Free memory was 262.3MB in the beginning and 366.5MB in the end (delta: -104.2MB). Peak memory consumption was 236.6MB. Max. memory is 8.0GB. [2022-10-16 12:33:06,549 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 160.4MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2761.72ms. Allocated memory was 160.4MB in the beginning and 207.6MB in the end (delta: 47.2MB). Free memory was 123.5MB in the beginning and 121.0MB in the end (delta: 2.5MB). Peak memory consumption was 105.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 261.47ms. Allocated memory is still 207.6MB. Free memory was 121.0MB in the beginning and 146.3MB in the end (delta: -25.2MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 248.90ms. Allocated memory is still 207.6MB. Free memory was 146.3MB in the beginning and 129.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * RCFGBuilder took 4493.09ms. Allocated memory was 207.6MB in the beginning and 351.3MB in the end (delta: 143.7MB). Free memory was 129.5MB in the beginning and 262.8MB in the end (delta: -133.3MB). Peak memory consumption was 132.5MB. Max. memory is 8.0GB. * TraceAbstraction took 5837.33ms. Allocated memory was 351.3MB in the beginning and 448.8MB in the end (delta: 97.5MB). Free memory was 262.3MB in the beginning and 366.5MB in the end (delta: -104.2MB). Peak memory consumption was 236.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 6437, overapproximation of shiftLeft at line 6596, overapproximation of bitwiseAnd at line 6584. Possible FailurePath: [L4881-L4882] static struct device_attribute dev_attr_status = {{"status", 292U, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_status, 0}; [L4976-L4977] static struct device_attribute dev_attr_detach = {{"detach", 128U, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, 0, & store_detach}; [L5098-L5099] static struct device_attribute dev_attr_attach = {{"attach", 128U, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, 0, & store_attach}; [L5100-L5101] static struct attribute *dev_attrs[5U] = { & dev_attr_status.attr, & dev_attr_detach.attr, & dev_attr_attach.attr, & dev_attr_usbip_debug.attr, 0}; [L5102] struct attribute_group dev_attr_group = {0, 0, (struct attribute **)(& dev_attrs)}; [L5106] int LDV_IN_INTERRUPT ; [L6399] struct vhci_hcd *the_controller ; [L6423-L6426] static char const driver_name[9U] = { 'v', 'h', 'c', 'i', '_', 'h', 'c', 'd', '\000'}; [L6427-L6435] static char const driver_desc[31U] = { 'U', 'S', 'B', '/', 'I', 'P', ' ', 'V', 'i', 'r', 't', 'u', 'a', 'l', ' ', 'H', 'o', 's', 't', ' ', 'C', 'o', 'n', 't', 'r', 'o', 'l', 'l', 'e', 'r', '\000'}; [L6436-L6444] static char const *bit_desc[32U] = { "CONNECTION", "ENABLE", "SUSPEND", "OVER_CURRENT", "RESET", "R5", "R6", "R7", "POWER", "LOWSPEED", "HIGHSPEED", "PORT_TEST", "INDICATOR", "R13", "R14", "R15", "C_CONNECTION", "C_ENABLE", "C_SUSPEND", "C_OVER_CURRENT", "C_RESET", "R21", "R22", "R23", "R24", "R25", "R26", "R27", "R28", "R29", "R30", "R31"}; [L7608-L7612] static struct hc_driver vhci_hc_driver = {(char const *)(& driver_name), (char const *)(& driver_desc), 6664UL, 0, 32, 0, & vhci_start, 0, 0, & vhci_stop, 0, & vhci_get_frame_number, & vhci_urb_enqueue, & vhci_urb_dequeue, 0, 0, & vhci_hub_status, & vhci_hub_control, & vhci_bus_suspend, & vhci_bus_resume, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L7768-L7770] static struct platform_driver vhci_driver = {& vhci_hcd_probe, & vhci_hcd_remove, 0, & vhci_hcd_suspend, & vhci_hcd_resume, {(char const *)(& driver_name), 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}; [L7777-L7833] static struct platform_device the_pdev = {(char const *)(& driver_name), -1, {0, 0, {0, {0, 0}, 0, 0, 0, 0, {{0}}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0, 0, {{0}, {{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}, 0, 0, 0, {0, {0, 0}, 0, 0, 0UL}}, 0, 0, 0, {{0}, (unsigned char)0, (unsigned char)0, 0, {{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}, {0U, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}}, 0, {{0, 0}, 0UL, 0, 0, 0UL, 0, 0, {(char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, 0, {0, {0, 0}, 0, 0, 0UL}}, 0UL, {{0L}, {0, 0}, 0, {0, {0, 0}, 0, 0, 0UL}}, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {0}, {0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0, 0, 0, 0, 0UL, 0UL, 0UL, 0UL}, 0, 0, 0ULL, 0, {0, 0}, 0, {0, 0, 0}, 0U, {{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}, {0, {0, 0}, {{0}}}, 0, 0, & the_pdev_release}, 0U, 0, 0, {}}; [L8132] int ldv_usb_dev_state = 0; VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, LDV_IN_INTERRUPT=0, ldv_usb_dev_state=0, the_controller={0:0}, the_pdev={375:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L7950] struct usb_hcd *var_group1 ; [L7951] struct urb *var_group2 ; [L7952] gfp_t var_vhci_urb_enqueue_8_p2 ; [L7953] int var_vhci_urb_dequeue_9_p2 ; [L7954] char *var_vhci_hub_status_3_p1 ; [L7955] u16 var_vhci_hub_control_5_p1 ; [L7956] u16 var_vhci_hub_control_5_p2 ; [L7957] u16 var_vhci_hub_control_5_p3 ; [L7958] char *var_vhci_hub_control_5_p4 ; [L7959] u16 var_vhci_hub_control_5_p5 ; [L7960] struct platform_device *var_group3 ; [L7961] int res_vhci_hcd_probe_20 ; [L7962] pm_message_t var_vhci_hcd_suspend_22_p1 ; [L7963] struct device *var_group4 ; [L7964] int ldv_s_vhci_driver_platform_driver ; [L7965] int ldv_s_the_pdev_platform_device ; [L7966] int tmp ; [L7967] int tmp___0 ; [L7968] int tmp___1 ; [L7970] ldv_s_vhci_driver_platform_driver = 0 [L7971] ldv_s_the_pdev_platform_device = 0 [L7972] LDV_IN_INTERRUPT = 1 VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, LDV_IN_INTERRUPT=1, ldv_s_the_pdev_platform_device=0, ldv_s_vhci_driver_platform_driver=0, ldv_usb_dev_state=0, the_controller={0:0}, the_pdev={375:0}, var_vhci_hcd_suspend_22_p1={376:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L7973] FCALL ldv_initialize() VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, LDV_IN_INTERRUPT=1, ldv_s_the_pdev_platform_device=0, ldv_s_vhci_driver_platform_driver=0, ldv_usb_dev_state=0, the_controller={0:0}, the_pdev={375:0}, var_vhci_hcd_suspend_22_p1={376:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L7974] FCALL ldv_handler_precall() VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, LDV_IN_INTERRUPT=1, ldv_s_the_pdev_platform_device=0, ldv_s_vhci_driver_platform_driver=0, ldv_usb_dev_state=0, the_controller={0:0}, the_pdev={375:0}, var_vhci_hcd_suspend_22_p1={376:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L7975] CALL, EXPR vhci_init() [L7836] int ret ; [L7837] struct task_struct *tmp___0 ; [L7838] char *tmp___1 ; [L7839] struct thread_info *tmp___2 ; [L7840] int tmp___3 ; [L7841] struct task_struct *tmp___5 ; [L7842] char *tmp___6 ; [L7843] struct thread_info *tmp___7 ; [L7844] struct task_struct *tmp___9 ; [L7845] char *tmp___10 ; [L7846] struct thread_info *tmp___11 ; VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, the_controller={0:0}, the_pdev={375:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L7848] COND FALSE !((usbip_debug_flag & 512UL) != 0UL) VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, the_controller={0:0}, the_pdev={375:0}, usbip_debug_flag=9, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L7860] CALL, EXPR usb_disabled() [L8326] return __VERIFIER_nondet_int(); [L7860] RET, EXPR usb_disabled() [L7860] tmp___3 = usb_disabled() [L7861] COND FALSE !(tmp___3 != 0) [L7866] CALL, EXPR platform_driver_register(& vhci_driver) [L8289] return __VERIFIER_nondet_int(); [L7866] RET, EXPR platform_driver_register(& vhci_driver) [L7866] ret = platform_driver_register(& vhci_driver) [L7867] COND FALSE !(ret < 0) [L7871] CALL, EXPR platform_device_register(& the_pdev) [L8282] return __VERIFIER_nondet_int(); [L7871] RET, EXPR platform_device_register(& the_pdev) [L7871] ret = platform_device_register(& the_pdev) [L7872] COND FALSE !(ret < 0) VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, ret=0, the_controller={0:0}, the_pdev={375:0}, tmp___3=0, usbip_debug_flag=9, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L7876] COND FALSE !((usbip_debug_flag & 512UL) != 0UL) VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, ret=0, the_controller={0:0}, the_pdev={375:0}, tmp___3=0, usbip_debug_flag=9, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L7888] return (ret); VAL [\result=0, __this_module={4294967304:4294967309}, bit_desc={372:0}, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, ret=0, the_controller={0:0}, the_pdev={375:0}, tmp___3=0, usbip_debug_flag=9, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L7975] RET, EXPR vhci_init() [L7975] tmp = vhci_init() [L7976] COND FALSE !(tmp != 0) VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, LDV_IN_INTERRUPT=1, ldv_s_the_pdev_platform_device=0, ldv_s_vhci_driver_platform_driver=0, ldv_usb_dev_state=0, the_controller={0:0}, the_pdev={375:0}, tmp=0, usbip_debug_flag=9, var_vhci_hcd_suspend_22_p1={376:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L8071] tmp___1 = __VERIFIER_nondet_int() [L8072] COND TRUE (tmp___1 != 0 || ldv_s_vhci_driver_platform_driver != 0) || ldv_s_the_pdev_platform_device != 0 VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, LDV_IN_INTERRUPT=1, ldv_s_the_pdev_platform_device=0, ldv_s_vhci_driver_platform_driver=0, ldv_usb_dev_state=0, the_controller={0:0}, the_pdev={375:0}, tmp=0, tmp___1=1, usbip_debug_flag=9, var_vhci_hcd_suspend_22_p1={376:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L7982] tmp___0 = __VERIFIER_nondet_int() [L7984] case 0: [L7988] case 1: [L7992] case 2: [L7996] case 3: [L8000] case 4: [L8004] case 5: VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, LDV_IN_INTERRUPT=1, ldv_s_the_pdev_platform_device=0, ldv_s_vhci_driver_platform_driver=0, ldv_usb_dev_state=0, the_controller={0:0}, the_pdev={375:0}, tmp=0, tmp___0=5, tmp___1=1, usbip_debug_flag=9, var_vhci_hcd_suspend_22_p1={376:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L8005] FCALL ldv_handler_precall() VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, LDV_IN_INTERRUPT=1, ldv_s_the_pdev_platform_device=0, ldv_s_vhci_driver_platform_driver=0, ldv_usb_dev_state=0, the_controller={0:0}, the_pdev={375:0}, tmp=0, tmp___0=5, tmp___1=1, usbip_debug_flag=9, var_vhci_hcd_suspend_22_p1={376:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L8006] CALL vhci_hub_status(var_group1, var_vhci_hub_status_3_p1) [L6543] struct vhci_hcd *vhci ; [L6544] unsigned long flags ; [L6545] int retval ; [L6546] unsigned long *event_bits ; [L6547] int rhport ; [L6548] int changed ; [L6549] raw_spinlock_t *tmp ; [L6550] struct task_struct *tmp___1 ; [L6551] char *tmp___2 ; [L6552] struct thread_info *tmp___3 ; [L6553] struct task_struct *tmp___5 ; [L6554] char *tmp___6 ; [L6555] struct thread_info *tmp___7 ; [L6557] retval = 0 [L6558] event_bits = (unsigned long *)buf [L6559] changed = 0 [L6560] *event_bits = 0UL VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, buf={4294967298:4294967299}, buf={4294967298:4294967299}, changed=0, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, event_bits={4294967298:4294967299}, hcd={4294967308:-376}, hcd={4294967308:-376}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, retval=0, the_controller={0:0}, the_pdev={375:0}, usbip_debug_flag=9, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6561] CALL, EXPR hcd_to_vhci(hcd) VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, hcd={4294967308:-376}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, the_controller={0:0}, the_pdev={375:0}, usbip_debug_flag=9, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6404] return ((struct vhci_hcd *)(& hcd->hcd_priv)); VAL [\result={4294967308:0}, __this_module={4294967304:4294967309}, bit_desc={372:0}, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, hcd={4294967308:-376}, hcd={4294967308:-376}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, the_controller={0:0}, the_pdev={375:0}, usbip_debug_flag=9, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6561] RET, EXPR hcd_to_vhci(hcd) VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, buf={4294967298:4294967299}, buf={4294967298:4294967299}, changed=0, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, event_bits={4294967298:4294967299}, hcd={4294967308:-376}, hcd={4294967308:-376}, hcd_to_vhci(hcd)={4294967308:0}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, retval=0, the_controller={0:0}, the_pdev={375:0}, usbip_debug_flag=9, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6561] vhci = hcd_to_vhci(hcd) [L6562] CALL, EXPR spinlock_check(& vhci->lock) VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, lock={4294967308:0}, the_controller={0:0}, the_pdev={375:0}, usbip_debug_flag=9, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L5186] return (& lock->ldv_5812.rlock); VAL [\result={4294967308:0}, __this_module={4294967304:4294967309}, bit_desc={372:0}, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, lock={4294967308:0}, lock={4294967308:0}, the_controller={0:0}, the_pdev={375:0}, usbip_debug_flag=9, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6562] RET, EXPR spinlock_check(& vhci->lock) VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, buf={4294967298:4294967299}, buf={4294967298:4294967299}, changed=0, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, event_bits={4294967298:4294967299}, hcd={4294967308:-376}, hcd={4294967308:-376}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, retval=0, spinlock_check(& vhci->lock)={4294967308:0}, the_controller={0:0}, the_pdev={375:0}, usbip_debug_flag=9, vhci={4294967308:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6562] tmp = spinlock_check(& vhci->lock) [L6563] CALL, EXPR _raw_spin_lock_irqsave(tmp) VAL [__this_module={4294967304:4294967309}, arg0={4294967308:0}, bit_desc={372:0}, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, the_controller={0:0}, the_pdev={375:0}, usbip_debug_flag=9, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L8224] return __VERIFIER_nondet_ulong(); [L6563] RET, EXPR _raw_spin_lock_irqsave(tmp) VAL [__this_module={4294967304:4294967309}, _raw_spin_lock_irqsave(tmp)=4294967300, bit_desc={372:0}, buf={4294967298:4294967299}, buf={4294967298:4294967299}, changed=0, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, event_bits={4294967298:4294967299}, hcd={4294967308:-376}, hcd={4294967308:-376}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, retval=0, the_controller={0:0}, the_pdev={375:0}, tmp={4294967308:0}, usbip_debug_flag=9, vhci={4294967308:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6563] flags = _raw_spin_lock_irqsave(tmp) [L6564] EXPR hcd->flags VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, buf={4294967298:4294967299}, buf={4294967298:4294967299}, changed=0, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, event_bits={4294967298:4294967299}, flags=4, hcd={4294967308:-376}, hcd={4294967308:-376}, hcd->flags=4294967297, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, retval=0, the_controller={0:0}, the_pdev={375:0}, tmp={4294967308:0}, usbip_debug_flag=9, vhci={4294967308:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6564] COND FALSE !((hcd->flags & 1UL) == 0UL) [L6580] rhport = 0 VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, buf={4294967298:4294967299}, buf={4294967298:4294967299}, changed=0, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, event_bits={4294967298:4294967299}, flags=4, hcd={4294967308:-376}, hcd={4294967308:-376}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, retval=0, rhport=0, the_controller={0:0}, the_pdev={375:0}, tmp={4294967308:0}, usbip_debug_flag=9, vhci={4294967308:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6602] COND TRUE rhport <= 7 VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, buf={4294967298:4294967299}, buf={4294967298:4294967299}, changed=0, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, event_bits={4294967298:4294967299}, flags=4, hcd={4294967308:-376}, hcd={4294967308:-376}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, retval=0, rhport=0, the_controller={0:0}, the_pdev={375:0}, tmp={4294967308:0}, usbip_debug_flag=9, vhci={4294967308:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6583] EXPR vhci->port_status[rhport] VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, buf={4294967298:4294967299}, buf={4294967298:4294967299}, changed=0, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, event_bits={4294967298:4294967299}, flags=4, hcd={4294967308:-376}, hcd={4294967308:-376}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, retval=0, rhport=0, the_controller={0:0}, the_pdev={375:0}, tmp={4294967308:0}, usbip_debug_flag=9, vhci={4294967308:0}, vhci->port_status[rhport]=4294967303, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6583] COND TRUE (vhci->port_status[rhport] & 2031616U) != 0U [L6584] COND FALSE !((usbip_debug_flag & 256UL) != 0UL) VAL [__this_module={4294967304:4294967309}, bit_desc={372:0}, buf={4294967298:4294967299}, buf={4294967298:4294967299}, changed=0, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, event_bits={4294967298:4294967299}, flags=4, hcd={4294967308:-376}, hcd={4294967308:-376}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, retval=0, rhport=0, the_controller={0:0}, the_pdev={375:0}, tmp={4294967308:0}, usbip_debug_flag=9, vhci={4294967308:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6596] \read(*event_bits) VAL [\read(*event_bits)=0, __this_module={4294967304:4294967309}, bit_desc={372:0}, buf={4294967298:4294967299}, buf={4294967298:4294967299}, changed=0, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, event_bits={4294967298:4294967299}, flags=4, hcd={4294967308:-376}, hcd={4294967308:-376}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, retval=0, rhport=0, the_controller={0:0}, the_pdev={375:0}, tmp={4294967308:0}, usbip_debug_flag=9, vhci={4294967308:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6596] EXPR rhport + 1 VAL [\read(*event_bits)=0, __this_module={4294967304:4294967309}, bit_desc={372:0}, buf={4294967298:4294967299}, buf={4294967298:4294967299}, changed=0, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, event_bits={4294967298:4294967299}, flags=4, hcd={4294967308:-376}, hcd={4294967308:-376}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, retval=0, rhport=0, the_controller={0:0}, the_pdev={375:0}, tmp={4294967308:0}, usbip_debug_flag=9, vhci={4294967308:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6596] 1 << (rhport + 1) VAL [\read(*event_bits)=0, __this_module={4294967304:4294967309}, bit_desc={372:0}, buf={4294967298:4294967299}, buf={4294967298:4294967299}, changed=0, dev_attr_attach={367:0}, dev_attr_detach={366:0}, dev_attr_group={369:0}, dev_attr_status={365:0}, dev_attr_usbip_debug={4294967307:4294967306}, dev_attrs={368:0}, driver_desc={371:0}, driver_name={370:0}, event_bits={4294967298:4294967299}, flags=4, hcd={4294967308:-376}, hcd={4294967308:-376}, LDV_IN_INTERRUPT=1, ldv_usb_dev_state=0, retval=0, rhport=0, the_controller={0:0}, the_pdev={375:0}, tmp={4294967308:0}, usbip_debug_flag=9, vhci={4294967308:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] - UnprovableResult [Line: 6454]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6454]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6458]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6458]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6078]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6078]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6048]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6048]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7479]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7479]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7543]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7543]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7022]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7022]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6600]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6600]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6713]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6713]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6723]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6723]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6811]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6811]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6863]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6863]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6871]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6871]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6974]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6974]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8030]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8030]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7734]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7734]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7737]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7737]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8038]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8038]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8046]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8046]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 934 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 843 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 667 mSDsluCounter, 19212 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12822 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 6390 mSDtfsCounter, 79 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=934occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 625 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 295 NumberOfCodeBlocks, 295 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 285 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-10-16 12:33:06,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...