/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 [2022-10-15 21:01:55,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:01:55,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:01:55,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:01:55,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:01:55,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:01:55,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:01:55,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:01:55,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:01:56,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:01:56,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:01:56,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:01:56,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:01:56,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:01:56,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:01:56,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:01:56,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:01:56,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:01:56,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:01:56,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:01:56,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:01:56,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:01:56,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:01:56,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:01:56,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:01:56,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:01:56,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:01:56,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:01:56,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:01:56,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:01:56,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:01:56,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:01:56,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:01:56,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:01:56,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:01:56,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:01:56,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:01:56,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:01:56,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:01:56,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:01:56,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:01:56,090 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:01:56,164 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:01:56,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:01:56,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:01:56,166 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:01:56,169 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:01:56,169 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:01:56,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:01:56,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:01:56,173 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:01:56,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:01:56,175 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:01:56,175 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:01:56,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:01:56,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:01:56,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:01:56,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:01:56,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:01:56,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:01:56,177 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:01:56,177 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:01:56,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:01:56,178 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:01:56,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:01:56,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:01:56,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:01:56,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:01:56,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:01:56,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:01:56,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:01:56,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:01:56,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:01:56,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:01:56,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:01:56,181 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:01:56,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:01:56,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:01:56,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:01:56,747 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:01:56,749 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:01:56,751 INFO L432 ainManager$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 [2022-10-15 21:01:56,857 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43f6d8a7c/e183a15ffea34be4a56c89728c8dc1bf/FLAGdab656d98 [2022-10-15 21:01:58,166 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:01:58,168 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 [2022-10-15 21:01:58,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43f6d8a7c/e183a15ffea34be4a56c89728c8dc1bf/FLAGdab656d98 [2022-10-15 21:01:58,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43f6d8a7c/e183a15ffea34be4a56c89728c8dc1bf [2022-10-15 21:01:58,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:01:58,469 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:01:58,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:01:58,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:01:58,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:01:58,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:01:58" (1/1) ... [2022-10-15 21:01:58,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67070922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:01:58, skipping insertion in model container [2022-10-15 21:01:58,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:01:58" (1/1) ... [2022-10-15 21:01:58,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:01:58,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:02:01,335 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] [2022-10-15 21:02:01,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:02:01,450 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:02:01,928 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] [2022-10-15 21:02:01,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:02:02,073 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:02:02,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:02 WrapperNode [2022-10-15 21:02:02,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:02:02,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:02:02,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:02:02,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:02:02,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:02" (1/1) ... [2022-10-15 21:02:02,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:02" (1/1) ... [2022-10-15 21:02:02,325 INFO L138 Inliner]: procedures = 197, calls = 1839, calls flagged for inlining = 95, calls inlined = 62, statements flattened = 3018 [2022-10-15 21:02:02,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:02:02,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:02:02,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:02:02,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:02:02,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:02" (1/1) ... [2022-10-15 21:02:02,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:02" (1/1) ... [2022-10-15 21:02:02,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:02" (1/1) ... [2022-10-15 21:02:02,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:02" (1/1) ... [2022-10-15 21:02:02,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:02" (1/1) ... [2022-10-15 21:02:02,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:02" (1/1) ... [2022-10-15 21:02:02,622 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:02" (1/1) ... [2022-10-15 21:02:02,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:02" (1/1) ... [2022-10-15 21:02:02,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:02:02,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:02:02,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:02:02,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:02:02,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:02" (1/1) ... [2022-10-15 21:02:02,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:02:02,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:02:02,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:02:02,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:02:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-10-15 21:02:02,843 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-10-15 21:02:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-15 21:02:02,843 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-15 21:02:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_to_hcd [2022-10-15 21:02:02,843 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_to_hcd [2022-10-15 21:02:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:02:02,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:02:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:02:02,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:02:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:02:02,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:02:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:02:02,845 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:02:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2022-10-15 21:02:02,845 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2022-10-15 21:02:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:02:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-15 21:02:02,846 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-15 21:02:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:02:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-15 21:02:02,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-15 21:02:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:02:02,847 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:02:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:02:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:02:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-10-15 21:02:02,847 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-10-15 21:02:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_event_add [2022-10-15 21:02:02,848 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_event_add [2022-10-15 21:02:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-15 21:02:02,848 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-15 21:02:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-15 21:02:02,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-15 21:02:02,849 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:02:02,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:02:02,849 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-15 21:02:02,849 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-15 21:02:02,849 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-10-15 21:02:02,849 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-10-15 21:02:02,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-10-15 21:02:02,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-10-15 21:02:02,850 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-15 21:02:02,850 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-15 21:02:02,850 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 21:02:02,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-15 21:02:02,850 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-10-15 21:02:02,851 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-10-15 21:02:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-10-15 21:02:02,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-10-15 21:02:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:02:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure dump_port_status [2022-10-15 21:02:02,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_port_status [2022-10-15 21:02:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure port_to_vdev [2022-10-15 21:02:02,852 INFO L138 BoogieDeclarations]: Found implementation of procedure port_to_vdev [2022-10-15 21:02:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:02:02,852 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:02:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-15 21:02:02,852 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-15 21:02:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:02:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-15 21:02:02,853 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-15 21:02:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:02:02,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:02:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:02:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2022-10-15 21:02:02,853 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2022-10-15 21:02:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-10-15 21:02:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:02:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:02:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:02:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-15 21:02:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-15 21:02:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-10-15 21:02:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-10-15 21:02:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-10-15 21:02:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-10-15 21:02:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-15 21:02:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-15 21:02:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_vhci [2022-10-15 21:02:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_vhci [2022-10-15 21:02:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-10-15 21:02:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-10-15 21:02:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-15 21:02:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-15 21:02:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_dev [2022-10-15 21:02:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_dev [2022-10-15 21:02:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-15 21:02:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-15 21:02:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-15 21:02:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-15 21:02:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:02:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-15 21:02:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-15 21:02:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_task_init [2022-10-15 21:02:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_task_init [2022-10-15 21:02:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:02:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:02:03,607 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:02:03,611 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:02:08,089 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:02:08,111 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:02:08,112 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:02:08,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:02:08 BoogieIcfgContainer [2022-10-15 21:02:08,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:02:08,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:02:08,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:02:08,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:02:08,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:01:58" (1/3) ... [2022-10-15 21:02:08,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b80d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:02:08, skipping insertion in model container [2022-10-15 21:02:08,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:02" (2/3) ... [2022-10-15 21:02:08,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b80d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:02:08, skipping insertion in model container [2022-10-15 21:02:08,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:02:08" (3/3) ... [2022-10-15 21:02:08,131 INFO L112 eAbstractionObserver]: Analyzing ICFG main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa-1.i [2022-10-15 21:02:08,161 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:02:08,162 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2022-10-15 21:02:08,284 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:02:08,297 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;@17e1c857, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:02:08,298 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2022-10-15 21:02:08,319 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) [2022-10-15 21:02:08,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-15 21:02:08,351 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:02:08,352 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] [2022-10-15 21:02:08,353 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)] === [2022-10-15 21:02:08,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:02:08,361 INFO L85 PathProgramCache]: Analyzing trace with hash -197333580, now seen corresponding path program 1 times [2022-10-15 21:02:08,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:02:08,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338511219] [2022-10-15 21:02:08,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:02:08,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:02:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:09,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:02:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:09,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:02:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:09,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 21:02:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:02:09,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:02:09,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338511219] [2022-10-15 21:02:09,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338511219] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:02:09,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:02:09,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:02:09,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816764646] [2022-10-15 21:02:09,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:02:09,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:02:09,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:02:09,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:02:09,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:02:09,759 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) [2022-10-15 21:02:10,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:02:10,162 INFO L93 Difference]: Finished difference Result 1767 states and 2457 transitions. [2022-10-15 21:02:10,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:02:10,167 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 [2022-10-15 21:02:10,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:02:10,197 INFO L225 Difference]: With dead ends: 1767 [2022-10-15 21:02:10,197 INFO L226 Difference]: Without dead ends: 834 [2022-10-15 21:02:10,217 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 [2022-10-15 21:02:10,223 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 [2022-10-15 21:02:10,225 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] [2022-10-15 21:02:10,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2022-10-15 21:02:10,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 834. [2022-10-15 21:02:10,430 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) [2022-10-15 21:02:10,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1144 transitions. [2022-10-15 21:02:10,449 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1144 transitions. Word has length 33 [2022-10-15 21:02:10,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:02:10,452 INFO L495 AbstractCegarLoop]: Abstraction has 834 states and 1144 transitions. [2022-10-15 21:02:10,454 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) [2022-10-15 21:02:10,455 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1144 transitions. [2022-10-15 21:02:10,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-15 21:02:10,463 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:02:10,464 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] [2022-10-15 21:02:10,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:02:10,465 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)] === [2022-10-15 21:02:10,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:02:10,466 INFO L85 PathProgramCache]: Analyzing trace with hash -305830584, now seen corresponding path program 1 times [2022-10-15 21:02:10,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:02:10,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933510582] [2022-10-15 21:02:10,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:02:10,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:02:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:11,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:02:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:11,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:02:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:11,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:02:11,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:02:11,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933510582] [2022-10-15 21:02:11,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933510582] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:02:11,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:02:11,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:02:11,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415105570] [2022-10-15 21:02:11,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:02:11,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:02:11,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:02:11,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:02:11,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:02:11,647 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) [2022-10-15 21:02:11,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:02:11,924 INFO L93 Difference]: Finished difference Result 2263 states and 3180 transitions. [2022-10-15 21:02:11,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:02:11,925 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 [2022-10-15 21:02:11,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:02:11,950 INFO L225 Difference]: With dead ends: 2263 [2022-10-15 21:02:11,950 INFO L226 Difference]: Without dead ends: 1451 [2022-10-15 21:02:11,962 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 [2022-10-15 21:02:11,965 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 [2022-10-15 21:02:11,966 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] [2022-10-15 21:02:11,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2022-10-15 21:02:12,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 828. [2022-10-15 21:02:12,082 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) [2022-10-15 21:02:12,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1133 transitions. [2022-10-15 21:02:12,093 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1133 transitions. Word has length 42 [2022-10-15 21:02:12,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:02:12,095 INFO L495 AbstractCegarLoop]: Abstraction has 828 states and 1133 transitions. [2022-10-15 21:02:12,096 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) [2022-10-15 21:02:12,096 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1133 transitions. [2022-10-15 21:02:12,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 21:02:12,106 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:02:12,106 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] [2022-10-15 21:02:12,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:02:12,107 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)] === [2022-10-15 21:02:12,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:02:12,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1732577502, now seen corresponding path program 1 times [2022-10-15 21:02:12,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:02:12,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264607732] [2022-10-15 21:02:12,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:02:12,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:02:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:12,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:02:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:12,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:02:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:12,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 21:02:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:12,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:02:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:12,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:02:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:12,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-15 21:02:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:12,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:02:12,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:02:12,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264607732] [2022-10-15 21:02:12,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264607732] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:02:12,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:02:12,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:02:12,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114932376] [2022-10-15 21:02:12,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:02:12,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:02:12,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:02:12,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:02:12,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:02:12,888 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) [2022-10-15 21:02:12,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:02:12,984 INFO L93 Difference]: Finished difference Result 1632 states and 2237 transitions. [2022-10-15 21:02:12,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:02:12,985 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 [2022-10-15 21:02:12,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:02:12,995 INFO L225 Difference]: With dead ends: 1632 [2022-10-15 21:02:12,995 INFO L226 Difference]: Without dead ends: 847 [2022-10-15 21:02:13,001 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 [2022-10-15 21:02:13,003 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 [2022-10-15 21:02:13,004 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] [2022-10-15 21:02:13,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2022-10-15 21:02:13,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 845. [2022-10-15 21:02:13,057 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) [2022-10-15 21:02:13,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1157 transitions. [2022-10-15 21:02:13,067 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1157 transitions. Word has length 52 [2022-10-15 21:02:13,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:02:13,068 INFO L495 AbstractCegarLoop]: Abstraction has 845 states and 1157 transitions. [2022-10-15 21:02:13,068 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) [2022-10-15 21:02:13,068 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1157 transitions. [2022-10-15 21:02:13,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-15 21:02:13,073 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:02:13,073 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] [2022-10-15 21:02:13,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:02:13,074 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)] === [2022-10-15 21:02:13,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:02:13,075 INFO L85 PathProgramCache]: Analyzing trace with hash -549712519, now seen corresponding path program 1 times [2022-10-15 21:02:13,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:02:13,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817681699] [2022-10-15 21:02:13,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:02:13,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:02:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:13,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:02:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:13,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:02:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:13,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 21:02:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:13,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 21:02:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:13,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:02:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:13,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:02:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:13,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 21:02:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:13,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:02:13,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:02:13,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817681699] [2022-10-15 21:02:13,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817681699] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:02:13,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:02:13,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:02:13,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785292391] [2022-10-15 21:02:13,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:02:13,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:02:13,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:02:13,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:02:13,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:02:13,817 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) [2022-10-15 21:02:13,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:02:13,908 INFO L93 Difference]: Finished difference Result 1654 states and 2267 transitions. [2022-10-15 21:02:13,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:02:13,910 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 [2022-10-15 21:02:13,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:02:13,924 INFO L225 Difference]: With dead ends: 1654 [2022-10-15 21:02:13,925 INFO L226 Difference]: Without dead ends: 852 [2022-10-15 21:02:13,932 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 [2022-10-15 21:02:13,946 INFO L413 NwaCegarLoop]: 1130 mSDtfsCounter, 9 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:02:13,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2242 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:02:13,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2022-10-15 21:02:13,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 852. [2022-10-15 21:02:14,000 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) [2022-10-15 21:02:14,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1165 transitions. [2022-10-15 21:02:14,008 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1165 transitions. Word has length 54 [2022-10-15 21:02:14,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:02:14,009 INFO L495 AbstractCegarLoop]: Abstraction has 852 states and 1165 transitions. [2022-10-15 21:02:14,010 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) [2022-10-15 21:02:14,012 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1165 transitions. [2022-10-15 21:02:14,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 21:02:14,017 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:02:14,018 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] [2022-10-15 21:02:14,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:02:14,019 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)] === [2022-10-15 21:02:14,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:02:14,023 INFO L85 PathProgramCache]: Analyzing trace with hash 396318259, now seen corresponding path program 1 times [2022-10-15 21:02:14,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:02:14,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888416622] [2022-10-15 21:02:14,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:02:14,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:02:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:14,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:02:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:14,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:02:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:14,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 21:02:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:14,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:02:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:14,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:02:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:14,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-15 21:02:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:14,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:02:14,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:02:14,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888416622] [2022-10-15 21:02:14,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888416622] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:02:14,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:02:14,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:02:14,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484206538] [2022-10-15 21:02:14,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:02:14,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:02:14,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:02:14,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:02:14,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:02:14,728 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) [2022-10-15 21:02:14,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:02:14,825 INFO L93 Difference]: Finished difference Result 1663 states and 2274 transitions. [2022-10-15 21:02:14,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:02:14,826 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 [2022-10-15 21:02:14,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:02:14,834 INFO L225 Difference]: With dead ends: 1663 [2022-10-15 21:02:14,834 INFO L226 Difference]: Without dead ends: 840 [2022-10-15 21:02:14,840 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 [2022-10-15 21:02:14,841 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 [2022-10-15 21:02:14,845 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] [2022-10-15 21:02:14,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2022-10-15 21:02:14,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 840. [2022-10-15 21:02:14,892 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) [2022-10-15 21:02:14,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1147 transitions. [2022-10-15 21:02:14,901 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1147 transitions. Word has length 56 [2022-10-15 21:02:14,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:02:14,902 INFO L495 AbstractCegarLoop]: Abstraction has 840 states and 1147 transitions. [2022-10-15 21:02:14,902 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) [2022-10-15 21:02:14,902 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1147 transitions. [2022-10-15 21:02:14,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 21:02:14,908 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:02:14,908 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] [2022-10-15 21:02:14,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:02:14,909 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)] === [2022-10-15 21:02:14,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:02:14,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1664217460, now seen corresponding path program 1 times [2022-10-15 21:02:14,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:02:14,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659960116] [2022-10-15 21:02:14,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:02:14,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:02:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 21:02:15,420 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-15 21:02:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 21:02:15,945 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-15 21:02:15,946 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-15 21:02:15,948 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 42 remaining) [2022-10-15 21:02:15,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dump_port_statusErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 42 remaining) [2022-10-15 21:02:15,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dump_port_statusErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 42 remaining) [2022-10-15 21:02:15,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dump_port_statusErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 42 remaining) [2022-10-15 21:02:15,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dump_port_statusErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 42 remaining) [2022-10-15 21:02:15,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atomic_add_returnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 42 remaining) [2022-10-15 21:02:15,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atomic_add_returnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 42 remaining) [2022-10-15 21:02:15,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location kzallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 42 remaining) [2022-10-15 21:02:15,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location kzallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 42 remaining) [2022-10-15 21:02:15,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 42 remaining) [2022-10-15 21:02:15,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 42 remaining) [2022-10-15 21:02:15,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 42 remaining) [2022-10-15 21:02:15,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 42 remaining) [2022-10-15 21:02:15,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 42 remaining) [2022-10-15 21:02:15,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 42 remaining) [2022-10-15 21:02:15,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 42 remaining) [2022-10-15 21:02:15,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 42 remaining) [2022-10-15 21:02:15,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 42 remaining) [2022-10-15 21:02:15,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 42 remaining) [2022-10-15 21:02:15,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 42 remaining) [2022-10-15 21:02:15,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 42 remaining) [2022-10-15 21:02:15,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 42 remaining) [2022-10-15 21:02:15,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 42 remaining) [2022-10-15 21:02:15,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 42 remaining) [2022-10-15 21:02:15,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 42 remaining) [2022-10-15 21:02:15,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 42 remaining) [2022-10-15 21:02:15,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 42 remaining) [2022-10-15 21:02:15,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 42 remaining) [2022-10-15 21:02:15,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 42 remaining) [2022-10-15 21:02:15,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 42 remaining) [2022-10-15 21:02:15,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 42 remaining) [2022-10-15 21:02:15,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 42 remaining) [2022-10-15 21:02:15,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 42 remaining) [2022-10-15 21:02:15,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 42 remaining) [2022-10-15 21:02:15,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 42 remaining) [2022-10-15 21:02:15,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 42 remaining) [2022-10-15 21:02:15,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 42 remaining) [2022-10-15 21:02:15,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 42 remaining) [2022-10-15 21:02:15,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 42 remaining) [2022-10-15 21:02:15,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 42 remaining) [2022-10-15 21:02:15,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 42 remaining) [2022-10-15 21:02:15,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 42 remaining) [2022-10-15 21:02:15,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:02:15,973 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-10-15 21:02:15,980 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-15 21:02:16,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 09:02:16 BoogieIcfgContainer [2022-10-15 21:02:16,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-15 21:02:16,216 INFO L158 Benchmark]: Toolchain (without parser) took 17756.74ms. Allocated memory was 157.3MB in the beginning and 374.3MB in the end (delta: 217.1MB). Free memory was 121.0MB in the beginning and 101.3MB in the end (delta: 19.6MB). Peak memory consumption was 237.6MB. Max. memory is 8.0GB. [2022-10-15 21:02:16,216 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 157.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 21:02:16,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3602.05ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 120.8MB in the beginning and 151.0MB in the end (delta: -30.2MB). Peak memory consumption was 107.2MB. Max. memory is 8.0GB. [2022-10-15 21:02:16,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 250.54ms. Allocated memory is still 209.7MB. Free memory was 151.0MB in the beginning and 132.1MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-10-15 21:02:16,217 INFO L158 Benchmark]: Boogie Preprocessor took 351.44ms. Allocated memory is still 209.7MB. Free memory was 132.1MB in the beginning and 146.3MB in the end (delta: -14.2MB). Peak memory consumption was 24.6MB. Max. memory is 8.0GB. [2022-10-15 21:02:16,218 INFO L158 Benchmark]: RCFGBuilder took 5437.17ms. Allocated memory was 209.7MB in the beginning and 311.4MB in the end (delta: 101.7MB). Free memory was 146.3MB in the beginning and 233.9MB in the end (delta: -87.6MB). Peak memory consumption was 111.6MB. Max. memory is 8.0GB. [2022-10-15 21:02:16,218 INFO L158 Benchmark]: TraceAbstraction took 8094.08ms. Allocated memory was 311.4MB in the beginning and 374.3MB in the end (delta: 62.9MB). Free memory was 232.9MB in the beginning and 101.3MB in the end (delta: 131.5MB). Peak memory consumption was 194.5MB. Max. memory is 8.0GB. [2022-10-15 21:02:16,221 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 157.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3602.05ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 120.8MB in the beginning and 151.0MB in the end (delta: -30.2MB). Peak memory consumption was 107.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 250.54ms. Allocated memory is still 209.7MB. Free memory was 151.0MB in the beginning and 132.1MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 351.44ms. Allocated memory is still 209.7MB. Free memory was 132.1MB in the beginning and 146.3MB in the end (delta: -14.2MB). Peak memory consumption was 24.6MB. Max. memory is 8.0GB. * RCFGBuilder took 5437.17ms. Allocated memory was 209.7MB in the beginning and 311.4MB in the end (delta: 101.7MB). Free memory was 146.3MB in the beginning and 233.9MB in the end (delta: -87.6MB). Peak memory consumption was 111.6MB. Max. memory is 8.0GB. * TraceAbstraction took 8094.08ms. Allocated memory was 311.4MB in the beginning and 374.3MB in the end (delta: 62.9MB). Free memory was 232.9MB in the beginning and 101.3MB in the end (delta: 131.5MB). Peak memory consumption was 194.5MB. 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: 7.7s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 843 SdHoareTripleChecker+Valid, 0.2s 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: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 625 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.3s 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 [2022-10-15 21:02:16,288 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...