/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.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:02:02,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:02:02,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:02:02,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:02:02,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:02:02,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:02:02,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:02:02,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:02:02,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:02:02,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:02:02,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:02:02,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:02:02,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:02:02,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:02:02,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:02:02,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:02:02,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:02:02,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:02:02,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:02:02,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:02:02,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:02:02,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:02:02,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:02:02,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:02:02,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:02:02,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:02:02,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:02:02,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:02:02,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:02:02,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:02:02,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:02:02,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:02:02,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:02:02,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:02:02,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:02:02,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:02:02,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:02:02,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:02:02,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:02:02,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:02:02,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:02:02,931 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 21:02:02,960 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:02:02,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:02:02,961 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:02:02,961 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:02:02,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:02:02,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:02:02,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:02:02,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:02:02,964 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:02:02,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:02:02,965 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:02:02,965 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:02:02,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:02:02,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:02:02,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:02:02,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:02:02,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:02:02,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:02:02,966 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:02:02,967 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:02:02,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:02:02,967 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:02:02,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:02:02,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:02:02,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:02:02,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:02:02,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:02:02,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:02:02,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:02:02,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:02:02,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:02:02,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:02:02,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:02:02,970 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:02:03,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:02:03,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:02:03,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:02:03,415 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:02:03,416 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:02:03,417 INFO L432 ainManager$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.i [2022-10-15 21:02:03,500 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04aaa2547/9b8cb61f36284ade9addfae39ea06454/FLAG56440a318 [2022-10-15 21:02:04,810 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:02:04,811 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.i [2022-10-15 21:02:04,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04aaa2547/9b8cb61f36284ade9addfae39ea06454/FLAG56440a318 [2022-10-15 21:02:05,100 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04aaa2547/9b8cb61f36284ade9addfae39ea06454 [2022-10-15 21:02:05,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:02:05,110 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:02:05,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:02:05,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:02:05,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:02:05,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:02:05" (1/1) ... [2022-10-15 21:02:05,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd14f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:05, skipping insertion in model container [2022-10-15 21:02:05,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:02:05" (1/1) ... [2022-10-15 21:02:05,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:02:05,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:02:07,890 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.i[260799,260812] [2022-10-15 21:02:07,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:02:07,991 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:02:08,631 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.i[260799,260812] [2022-10-15 21:02:08,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:02:08,742 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:02:08,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:08 WrapperNode [2022-10-15 21:02:08,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:02:08,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:02:08,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:02:08,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:02:08,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:08" (1/1) ... [2022-10-15 21:02:08,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:08" (1/1) ... [2022-10-15 21:02:09,123 INFO L138 Inliner]: procedures = 204, calls = 1862, calls flagged for inlining = 100, calls inlined = 66, statements flattened = 3064 [2022-10-15 21:02:09,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:02:09,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:02:09,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:02:09,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:02:09,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:08" (1/1) ... [2022-10-15 21:02:09,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:08" (1/1) ... [2022-10-15 21:02:09,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:08" (1/1) ... [2022-10-15 21:02:09,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:08" (1/1) ... [2022-10-15 21:02:09,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:08" (1/1) ... [2022-10-15 21:02:09,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:08" (1/1) ... [2022-10-15 21:02:09,391 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:08" (1/1) ... [2022-10-15 21:02:09,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:08" (1/1) ... [2022-10-15 21:02:09,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:02:09,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:02:09,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:02:09,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:02:09,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:08" (1/1) ... [2022-10-15 21:02:09,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:02:09,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:02:09,516 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 21:02:09,547 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 21:02:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-10-15 21:02:09,617 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-10-15 21:02:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-10-15 21:02:09,618 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-10-15 21:02:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2022-10-15 21:02:09,618 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2022-10-15 21:02:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-15 21:02:09,618 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-15 21:02:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_to_hcd [2022-10-15 21:02:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_to_hcd [2022-10-15 21:02:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:02:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:02:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:02:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:02:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:02:09,620 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:02:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:02:09,620 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:02:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2022-10-15 21:02:09,621 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2022-10-15 21:02:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:02:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-15 21:02:09,621 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-15 21:02:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:02:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-15 21:02:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-15 21:02:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:02:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:02:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:02:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:02:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-10-15 21:02:09,623 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-10-15 21:02:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_event_add [2022-10-15 21:02:09,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_event_add [2022-10-15 21:02:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-15 21:02:09,624 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-15 21:02:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-15 21:02:09,624 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-15 21:02:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:02:09,624 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:02:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-15 21:02:09,625 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-15 21:02:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-10-15 21:02:09,625 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-10-15 21:02:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-10-15 21:02:09,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-10-15 21:02:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-15 21:02:09,626 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-15 21:02:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 21:02:09,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-15 21:02:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-10-15 21:02:09,627 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-10-15 21:02:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-10-15 21:02:09,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-10-15 21:02:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:02:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure dump_port_status [2022-10-15 21:02:09,629 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_port_status [2022-10-15 21:02:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure port_to_vdev [2022-10-15 21:02:09,630 INFO L138 BoogieDeclarations]: Found implementation of procedure port_to_vdev [2022-10-15 21:02:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:02:09,630 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:02:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-15 21:02:09,630 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-15 21:02:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:02:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-15 21:02:09,631 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-15 21:02:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:02:09,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:02:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev [2022-10-15 21:02:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev [2022-10-15 21:02:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:02:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2022-10-15 21:02:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2022-10-15 21:02:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-10-15 21:02:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:02:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:02:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:02:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-15 21:02:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-15 21:02:09,636 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-10-15 21:02:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-10-15 21:02:09,636 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-10-15 21:02:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-10-15 21:02:09,636 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-15 21:02:09,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-15 21:02:09,637 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_vhci [2022-10-15 21:02:09,637 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_vhci [2022-10-15 21:02:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-10-15 21:02:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-10-15 21:02:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-15 21:02:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-15 21:02:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev [2022-10-15 21:02:09,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev [2022-10-15 21:02:09,640 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_dev [2022-10-15 21:02:09,640 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_dev [2022-10-15 21:02:09,640 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-15 21:02:09,640 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-15 21:02:09,641 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-15 21:02:09,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-15 21:02:09,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:02:09,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-15 21:02:09,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-15 21:02:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_task_init [2022-10-15 21:02:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_task_init [2022-10-15 21:02:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:02:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:02:10,370 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:02:10,375 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:02:14,593 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:02:14,665 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:02:14,665 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:02:14,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:02:14 BoogieIcfgContainer [2022-10-15 21:02:14,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:02:14,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:02:14,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:02:14,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:02:14,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:02:05" (1/3) ... [2022-10-15 21:02:14,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab92879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:02:14, skipping insertion in model container [2022-10-15 21:02:14,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:02:08" (2/3) ... [2022-10-15 21:02:14,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab92879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:02:14, skipping insertion in model container [2022-10-15 21:02:14,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:02:14" (3/3) ... [2022-10-15 21:02:14,711 INFO L112 eAbstractionObserver]: Analyzing ICFG main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa.i [2022-10-15 21:02:14,759 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:02:14,759 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2022-10-15 21:02:14,923 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:02:14,934 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;@72e7b79f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:02:14,935 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2022-10-15 21:02:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 978 states, 680 states have (on average 1.388235294117647) internal successors, (944), 735 states have internal predecessors, (944), 205 states have call successors, (205), 46 states have call predecessors, (205), 46 states have return successors, (205), 204 states have call predecessors, (205), 205 states have call successors, (205) [2022-10-15 21:02:14,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-15 21:02:14,972 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:02:14,973 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 21:02:14,974 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 43 more)] === [2022-10-15 21:02:14,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:02:14,983 INFO L85 PathProgramCache]: Analyzing trace with hash 459169458, now seen corresponding path program 1 times [2022-10-15 21:02:14,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:02:14,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873446124] [2022-10-15 21:02:14,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:02:15,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:02:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:16,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:02:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:16,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:02:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:16,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 21:02:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:16,417 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 21:02:16,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:02:16,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873446124] [2022-10-15 21:02:16,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873446124] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:02:16,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:02:16,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:02:16,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672399020] [2022-10-15 21:02:16,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:02:16,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:02:16,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:02:16,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:02:16,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:02:16,481 INFO L87 Difference]: Start difference. First operand has 978 states, 680 states have (on average 1.388235294117647) internal successors, (944), 735 states have internal predecessors, (944), 205 states have call successors, (205), 46 states have call predecessors, (205), 46 states have return successors, (205), 204 states have call predecessors, (205), 205 states have call successors, (205) 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 21:02:16,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:02:16,854 INFO L93 Difference]: Finished difference Result 1855 states and 2572 transitions. [2022-10-15 21:02:16,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:02:16,860 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 21:02:16,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:02:16,892 INFO L225 Difference]: With dead ends: 1855 [2022-10-15 21:02:16,892 INFO L226 Difference]: Without dead ends: 877 [2022-10-15 21:02:16,905 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 21:02:16,910 INFO L413 NwaCegarLoop]: 1244 mSDtfsCounter, 9 mSDsluCounter, 2481 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3725 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 21:02:16,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3725 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:02:16,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2022-10-15 21:02:17,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 877. [2022-10-15 21:02:17,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 603 states have (on average 1.3532338308457712) internal successors, (816), 649 states have internal predecessors, (816), 190 states have call successors, (190), 42 states have call predecessors, (190), 42 states have return successors, (190), 189 states have call predecessors, (190), 190 states have call successors, (190) [2022-10-15 21:02:17,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1196 transitions. [2022-10-15 21:02:17,069 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1196 transitions. Word has length 33 [2022-10-15 21:02:17,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:02:17,071 INFO L495 AbstractCegarLoop]: Abstraction has 877 states and 1196 transitions. [2022-10-15 21:02:17,072 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 21:02:17,073 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1196 transitions. [2022-10-15 21:02:17,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-15 21:02:17,086 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:02:17,086 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 21:02:17,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:02:17,087 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 43 more)] === [2022-10-15 21:02:17,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:02:17,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1366763973, now seen corresponding path program 1 times [2022-10-15 21:02:17,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:02:17,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183744113] [2022-10-15 21:02:17,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:02:17,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:02:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:18,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:02:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:18,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:02:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:18,030 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 21:02:18,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:02:18,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183744113] [2022-10-15 21:02:18,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183744113] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:02:18,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:02:18,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:02:18,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457252851] [2022-10-15 21:02:18,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:02:18,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:02:18,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:02:18,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:02:18,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:02:18,038 INFO L87 Difference]: Start difference. First operand 877 states and 1196 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 21:02:18,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:02:18,284 INFO L93 Difference]: Finished difference Result 2369 states and 3314 transitions. [2022-10-15 21:02:18,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:02:18,285 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 21:02:18,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:02:18,304 INFO L225 Difference]: With dead ends: 2369 [2022-10-15 21:02:18,304 INFO L226 Difference]: Without dead ends: 1514 [2022-10-15 21:02:18,313 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 21:02:18,315 INFO L413 NwaCegarLoop]: 1742 mSDtfsCounter, 638 mSDsluCounter, 4756 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 6498 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 21:02:18,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 6498 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:02:18,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2022-10-15 21:02:18,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 871. [2022-10-15 21:02:18,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 599 states have (on average 1.350584307178631) internal successors, (809), 645 states have internal predecessors, (809), 188 states have call successors, (188), 42 states have call predecessors, (188), 42 states have return successors, (188), 187 states have call predecessors, (188), 188 states have call successors, (188) [2022-10-15 21:02:18,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1185 transitions. [2022-10-15 21:02:18,411 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1185 transitions. Word has length 42 [2022-10-15 21:02:18,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:02:18,412 INFO L495 AbstractCegarLoop]: Abstraction has 871 states and 1185 transitions. [2022-10-15 21:02:18,412 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 21:02:18,412 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1185 transitions. [2022-10-15 21:02:18,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 21:02:18,417 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:02:18,417 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 21:02:18,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:02:18,418 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 43 more)] === [2022-10-15 21:02:18,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:02:18,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1854779061, now seen corresponding path program 1 times [2022-10-15 21:02:18,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:02:18,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941390767] [2022-10-15 21:02:18,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:02:18,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:02:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:18,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:02:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:18,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:02:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:18,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 21:02:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:18,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:02:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:18,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:02:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:18,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-15 21:02:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:18,942 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 21:02:18,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:02:18,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941390767] [2022-10-15 21:02:18,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941390767] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:02:18,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:02:18,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:02:18,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956134113] [2022-10-15 21:02:18,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:02:18,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:02:18,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:02:18,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:02:18,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:02:18,959 INFO L87 Difference]: Start difference. First operand 871 states and 1185 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 21:02:19,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:02:19,053 INFO L93 Difference]: Finished difference Result 1718 states and 2341 transitions. [2022-10-15 21:02:19,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:02:19,054 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 21:02:19,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:02:19,063 INFO L225 Difference]: With dead ends: 1718 [2022-10-15 21:02:19,064 INFO L226 Difference]: Without dead ends: 890 [2022-10-15 21:02:19,073 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 21:02:19,082 INFO L413 NwaCegarLoop]: 1181 mSDtfsCounter, 16 mSDsluCounter, 1172 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2353 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 21:02:19,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2353 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:02:19,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2022-10-15 21:02:19,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 888. [2022-10-15 21:02:19,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 888 states, 614 states have (on average 1.3501628664495113) internal successors, (829), 660 states have internal predecessors, (829), 190 states have call successors, (190), 42 states have call predecessors, (190), 42 states have return successors, (190), 189 states have call predecessors, (190), 190 states have call successors, (190) [2022-10-15 21:02:19,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1209 transitions. [2022-10-15 21:02:19,153 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1209 transitions. Word has length 52 [2022-10-15 21:02:19,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:02:19,154 INFO L495 AbstractCegarLoop]: Abstraction has 888 states and 1209 transitions. [2022-10-15 21:02:19,154 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 21:02:19,154 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1209 transitions. [2022-10-15 21:02:19,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-15 21:02:19,161 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:02:19,162 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 21:02:19,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:02:19,163 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 43 more)] === [2022-10-15 21:02:19,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:02:19,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1322422163, now seen corresponding path program 1 times [2022-10-15 21:02:19,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:02:19,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332851303] [2022-10-15 21:02:19,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:02:19,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:02:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:19,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:02:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:19,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:02:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:19,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 21:02:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:19,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 21:02:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:19,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:02:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:19,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:02:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:19,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 21:02:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:19,810 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 21:02:19,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:02:19,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332851303] [2022-10-15 21:02:19,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332851303] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:02:19,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:02:19,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:02:19,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935808348] [2022-10-15 21:02:19,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:02:19,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:02:19,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:02:19,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:02:19,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:02:19,816 INFO L87 Difference]: Start difference. First operand 888 states and 1209 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 21:02:19,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:02:19,896 INFO L93 Difference]: Finished difference Result 1740 states and 2371 transitions. [2022-10-15 21:02:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:02:19,897 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 21:02:19,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:02:19,906 INFO L225 Difference]: With dead ends: 1740 [2022-10-15 21:02:19,906 INFO L226 Difference]: Without dead ends: 895 [2022-10-15 21:02:19,911 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 21:02:19,913 INFO L413 NwaCegarLoop]: 1182 mSDtfsCounter, 9 mSDsluCounter, 1164 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2346 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 21:02:19,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2346 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:02:19,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2022-10-15 21:02:19,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 895. [2022-10-15 21:02:19,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 895 states, 620 states have (on average 1.346774193548387) internal successors, (835), 666 states have internal predecessors, (835), 191 states have call successors, (191), 42 states have call predecessors, (191), 42 states have return successors, (191), 190 states have call predecessors, (191), 191 states have call successors, (191) [2022-10-15 21:02:20,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1217 transitions. [2022-10-15 21:02:20,012 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1217 transitions. Word has length 54 [2022-10-15 21:02:20,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:02:20,013 INFO L495 AbstractCegarLoop]: Abstraction has 895 states and 1217 transitions. [2022-10-15 21:02:20,013 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 21:02:20,013 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1217 transitions. [2022-10-15 21:02:20,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 21:02:20,017 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:02:20,017 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 21:02:20,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:02:20,018 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 43 more)] === [2022-10-15 21:02:20,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:02:20,019 INFO L85 PathProgramCache]: Analyzing trace with hash -814320250, now seen corresponding path program 1 times [2022-10-15 21:02:20,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:02:20,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849738053] [2022-10-15 21:02:20,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:02:20,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:02:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:20,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:02:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:20,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:02:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:20,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 21:02:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:20,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:02:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:20,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:02:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:20,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-15 21:02:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:02:20,488 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 21:02:20,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:02:20,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849738053] [2022-10-15 21:02:20,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849738053] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:02:20,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:02:20,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:02:20,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435840798] [2022-10-15 21:02:20,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:02:20,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:02:20,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:02:20,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:02:20,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:02:20,492 INFO L87 Difference]: Start difference. First operand 895 states and 1217 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 21:02:20,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:02:20,595 INFO L93 Difference]: Finished difference Result 1749 states and 2378 transitions. [2022-10-15 21:02:20,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:02:20,596 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 21:02:20,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:02:20,606 INFO L225 Difference]: With dead ends: 1749 [2022-10-15 21:02:20,606 INFO L226 Difference]: Without dead ends: 883 [2022-10-15 21:02:20,612 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 21:02:20,613 INFO L413 NwaCegarLoop]: 1183 mSDtfsCounter, 9 mSDsluCounter, 3528 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 4711 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 21:02:20,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 4711 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:02:20,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2022-10-15 21:02:20,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 883. [2022-10-15 21:02:20,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 883 states, 612 states have (on average 1.3447712418300655) internal successors, (823), 657 states have internal predecessors, (823), 188 states have call successors, (188), 41 states have call predecessors, (188), 41 states have return successors, (188), 187 states have call predecessors, (188), 188 states have call successors, (188) [2022-10-15 21:02:20,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1199 transitions. [2022-10-15 21:02:20,665 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1199 transitions. Word has length 56 [2022-10-15 21:02:20,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:02:20,666 INFO L495 AbstractCegarLoop]: Abstraction has 883 states and 1199 transitions. [2022-10-15 21:02:20,666 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 21:02:20,666 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1199 transitions. [2022-10-15 21:02:20,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 21:02:20,669 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:02:20,670 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 21:02:20,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:02:20,670 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 43 more)] === [2022-10-15 21:02:20,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:02:20,671 INFO L85 PathProgramCache]: Analyzing trace with hash -855765249, now seen corresponding path program 1 times [2022-10-15 21:02:20,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:02:20,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913563113] [2022-10-15 21:02:20,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:02:20,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:02:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 21:02:21,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-15 21:02:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 21:02:21,425 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-15 21:02:21,426 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-15 21:02:21,427 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 46 remaining) [2022-10-15 21:02:21,433 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dump_port_statusErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 46 remaining) [2022-10-15 21:02:21,434 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dump_port_statusErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 46 remaining) [2022-10-15 21:02:21,434 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dump_port_statusErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 46 remaining) [2022-10-15 21:02:21,434 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dump_port_statusErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 46 remaining) [2022-10-15 21:02:21,434 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atomic_add_returnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 46 remaining) [2022-10-15 21:02:21,435 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atomic_add_returnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 46 remaining) [2022-10-15 21:02:21,435 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_usb_put_devErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 46 remaining) [2022-10-15 21:02:21,435 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_usb_put_devErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 46 remaining) [2022-10-15 21:02:21,435 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location kzallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 46 remaining) [2022-10-15 21:02:21,437 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location kzallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 46 remaining) [2022-10-15 21:02:21,438 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_usb_get_devErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 46 remaining) [2022-10-15 21:02:21,438 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_usb_get_devErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 46 remaining) [2022-10-15 21:02:21,438 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 46 remaining) [2022-10-15 21:02:21,438 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 46 remaining) [2022-10-15 21:02:21,439 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 46 remaining) [2022-10-15 21:02:21,439 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 46 remaining) [2022-10-15 21:02:21,440 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 46 remaining) [2022-10-15 21:02:21,440 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 46 remaining) [2022-10-15 21:02:21,440 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 46 remaining) [2022-10-15 21:02:21,440 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 46 remaining) [2022-10-15 21:02:21,441 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 46 remaining) [2022-10-15 21:02:21,441 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 46 remaining) [2022-10-15 21:02:21,441 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 46 remaining) [2022-10-15 21:02:21,442 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 46 remaining) [2022-10-15 21:02:21,442 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 46 remaining) [2022-10-15 21:02:21,443 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 46 remaining) [2022-10-15 21:02:21,443 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 46 remaining) [2022-10-15 21:02:21,443 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 46 remaining) [2022-10-15 21:02:21,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 46 remaining) [2022-10-15 21:02:21,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 46 remaining) [2022-10-15 21:02:21,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 46 remaining) [2022-10-15 21:02:21,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 46 remaining) [2022-10-15 21:02:21,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 46 remaining) [2022-10-15 21:02:21,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 46 remaining) [2022-10-15 21:02:21,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 46 remaining) [2022-10-15 21:02:21,445 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 46 remaining) [2022-10-15 21:02:21,448 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 46 remaining) [2022-10-15 21:02:21,449 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 46 remaining) [2022-10-15 21:02:21,449 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 46 remaining) [2022-10-15 21:02:21,449 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 46 remaining) [2022-10-15 21:02:21,450 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 46 remaining) [2022-10-15 21:02:21,450 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 46 remaining) [2022-10-15 21:02:21,450 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 46 remaining) [2022-10-15 21:02:21,451 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 46 remaining) [2022-10-15 21:02:21,451 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 46 remaining) [2022-10-15 21:02:21,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:02:21,458 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-10-15 21:02:21,465 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-15 21:02:21,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 09:02:21 BoogieIcfgContainer [2022-10-15 21:02:21,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-15 21:02:21,663 INFO L158 Benchmark]: Toolchain (without parser) took 16558.24ms. Allocated memory was 159.4MB in the beginning and 489.7MB in the end (delta: 330.3MB). Free memory was 123.4MB in the beginning and 170.9MB in the end (delta: -47.5MB). Peak memory consumption was 284.3MB. Max. memory is 8.0GB. [2022-10-15 21:02:21,664 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory is still 129.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 21:02:21,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3630.81ms. Allocated memory was 159.4MB in the beginning and 210.8MB in the end (delta: 51.4MB). Free memory was 123.3MB in the beginning and 123.1MB in the end (delta: 171.9kB). Peak memory consumption was 106.5MB. Max. memory is 8.0GB. [2022-10-15 21:02:21,665 INFO L158 Benchmark]: Boogie Procedure Inliner took 380.15ms. Allocated memory is still 210.8MB. Free memory was 123.1MB in the beginning and 145.8MB in the end (delta: -22.6MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-10-15 21:02:21,665 INFO L158 Benchmark]: Boogie Preprocessor took 333.92ms. Allocated memory is still 210.8MB. Free memory was 145.8MB in the beginning and 128.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-10-15 21:02:21,665 INFO L158 Benchmark]: RCFGBuilder took 5219.18ms. Allocated memory was 210.8MB in the beginning and 399.5MB in the end (delta: 188.7MB). Free memory was 128.5MB in the beginning and 320.9MB in the end (delta: -192.4MB). Peak memory consumption was 100.5MB. Max. memory is 8.0GB. [2022-10-15 21:02:21,666 INFO L158 Benchmark]: TraceAbstraction took 6975.83ms. Allocated memory was 399.5MB in the beginning and 489.7MB in the end (delta: 90.2MB). Free memory was 320.4MB in the beginning and 170.9MB in the end (delta: 149.4MB). Peak memory consumption was 239.6MB. Max. memory is 8.0GB. [2022-10-15 21:02:21,668 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory is still 129.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3630.81ms. Allocated memory was 159.4MB in the beginning and 210.8MB in the end (delta: 51.4MB). Free memory was 123.3MB in the beginning and 123.1MB in the end (delta: 171.9kB). Peak memory consumption was 106.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 380.15ms. Allocated memory is still 210.8MB. Free memory was 123.1MB in the beginning and 145.8MB in the end (delta: -22.6MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 333.92ms. Allocated memory is still 210.8MB. Free memory was 145.8MB in the beginning and 128.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * RCFGBuilder took 5219.18ms. Allocated memory was 210.8MB in the beginning and 399.5MB in the end (delta: 188.7MB). Free memory was 128.5MB in the beginning and 320.9MB in the end (delta: -192.4MB). Peak memory consumption was 100.5MB. Max. memory is 8.0GB. * TraceAbstraction took 6975.83ms. Allocated memory was 399.5MB in the beginning and 489.7MB in the end (delta: 90.2MB). Free memory was 320.4MB in the beginning and 170.9MB in the end (delta: 149.4MB). Peak memory consumption was 239.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6607]: 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 6448, overapproximation of shiftLeft at line 6607, overapproximation of bitwiseAnd at line 6595. Possible FailurePath: [L4883-L4884] 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}; [L4978-L4979] 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}; [L5100-L5101] 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}; [L5102-L5103] static struct attribute *dev_attrs[5U] = { & dev_attr_status.attr, & dev_attr_detach.attr, & dev_attr_attach.attr, & dev_attr_usbip_debug.attr, 0}; [L5104] struct attribute_group dev_attr_group = {0, 0, (struct attribute **)(& dev_attrs)}; [L5108] int LDV_IN_INTERRUPT ; [L6410] struct vhci_hcd *the_controller ; [L6434-L6437] static char const driver_name[9U] = { 'v', 'h', 'c', 'i', '_', 'h', 'c', 'd', '\000'}; [L6438-L6446] 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'}; [L6447-L6455] 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"}; [L7632-L7636] 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}; [L7792-L7794] 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}; [L7801-L7857] 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, {}}; [L8202] int ldv_usb_dev_state = 0; VAL [__this_module={4294967303:4294967309}, 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}] [L7974] struct usb_hcd *var_group1 ; [L7975] struct urb *var_group2 ; [L7976] gfp_t var_vhci_urb_enqueue_8_p2 ; [L7977] int var_vhci_urb_dequeue_9_p2 ; [L7978] char *var_vhci_hub_status_3_p1 ; [L7979] u16 var_vhci_hub_control_5_p1 ; [L7980] u16 var_vhci_hub_control_5_p2 ; [L7981] u16 var_vhci_hub_control_5_p3 ; [L7982] char *var_vhci_hub_control_5_p4 ; [L7983] u16 var_vhci_hub_control_5_p5 ; [L7984] struct platform_device *var_group3 ; [L7985] int res_vhci_hcd_probe_20 ; [L7986] pm_message_t var_vhci_hcd_suspend_22_p1 ; [L7987] struct device *var_group4 ; [L7988] int ldv_s_vhci_driver_platform_driver ; [L7989] int ldv_s_the_pdev_platform_device ; [L7990] int tmp ; [L7991] int tmp___0 ; [L7992] int tmp___1 ; [L7994] ldv_s_vhci_driver_platform_driver = 0 [L7995] ldv_s_the_pdev_platform_device = 0 [L7996] LDV_IN_INTERRUPT = 1 VAL [__this_module={4294967303:4294967309}, 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}] [L7997] FCALL ldv_initialize() VAL [__this_module={4294967303:4294967309}, 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}] [L7998] FCALL ldv_handler_precall() VAL [__this_module={4294967303:4294967309}, 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}] [L7999] CALL, EXPR vhci_init() [L7860] int ret ; [L7861] struct task_struct *tmp___0 ; [L7862] char *tmp___1 ; [L7863] struct thread_info *tmp___2 ; [L7864] int tmp___3 ; [L7865] struct task_struct *tmp___5 ; [L7866] char *tmp___6 ; [L7867] struct thread_info *tmp___7 ; [L7868] struct task_struct *tmp___9 ; [L7869] char *tmp___10 ; [L7870] struct thread_info *tmp___11 ; VAL [__this_module={4294967303:4294967309}, 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}] [L7872] COND FALSE !((usbip_debug_flag & 512UL) != 0UL) VAL [__this_module={4294967303:4294967309}, 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=8, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L7884] CALL, EXPR usb_disabled() [L8396] return __VERIFIER_nondet_int(); [L7884] RET, EXPR usb_disabled() [L7884] tmp___3 = usb_disabled() [L7885] COND FALSE !(tmp___3 != 0) [L7890] CALL, EXPR platform_driver_register(& vhci_driver) [L8359] return __VERIFIER_nondet_int(); [L7890] RET, EXPR platform_driver_register(& vhci_driver) [L7890] ret = platform_driver_register(& vhci_driver) [L7891] COND FALSE !(ret < 0) [L7895] CALL, EXPR platform_device_register(& the_pdev) [L8352] return __VERIFIER_nondet_int(); [L7895] RET, EXPR platform_device_register(& the_pdev) [L7895] ret = platform_device_register(& the_pdev) [L7896] COND FALSE !(ret < 0) VAL [__this_module={4294967303:4294967309}, 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=8, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L7900] COND FALSE !((usbip_debug_flag & 512UL) != 0UL) VAL [__this_module={4294967303:4294967309}, 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=8, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L7912] return (ret); VAL [\result=0, __this_module={4294967303:4294967309}, 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=8, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L7999] RET, EXPR vhci_init() [L7999] tmp = vhci_init() [L8000] COND FALSE !(tmp != 0) VAL [__this_module={4294967303:4294967309}, 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=8, var_vhci_hcd_suspend_22_p1={376:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L8095] tmp___1 = __VERIFIER_nondet_int() [L8096] COND TRUE (tmp___1 != 0 || ldv_s_vhci_driver_platform_driver != 0) || ldv_s_the_pdev_platform_device != 0 VAL [__this_module={4294967303:4294967309}, 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=-2, usbip_debug_flag=8, var_vhci_hcd_suspend_22_p1={376:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L8006] tmp___0 = __VERIFIER_nondet_int() [L8008] case 0: [L8012] case 1: [L8016] case 2: [L8020] case 3: [L8024] case 4: [L8028] case 5: VAL [__this_module={4294967303:4294967309}, 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=-2, usbip_debug_flag=8, var_vhci_hcd_suspend_22_p1={376:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L8029] FCALL ldv_handler_precall() VAL [__this_module={4294967303:4294967309}, 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=-2, usbip_debug_flag=8, var_vhci_hcd_suspend_22_p1={376:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L8030] CALL vhci_hub_status(var_group1, var_vhci_hub_status_3_p1) [L6554] struct vhci_hcd *vhci ; [L6555] unsigned long flags ; [L6556] int retval ; [L6557] unsigned long *event_bits ; [L6558] int rhport ; [L6559] int changed ; [L6560] raw_spinlock_t *tmp ; [L6561] struct task_struct *tmp___1 ; [L6562] char *tmp___2 ; [L6563] struct thread_info *tmp___3 ; [L6564] struct task_struct *tmp___5 ; [L6565] char *tmp___6 ; [L6566] struct thread_info *tmp___7 ; [L6568] retval = 0 [L6569] event_bits = (unsigned long *)buf [L6570] changed = 0 [L6571] *event_bits = 0UL VAL [__this_module={4294967303:4294967309}, bit_desc={372:0}, buf={4294967298:4294967300}, buf={4294967298:4294967300}, 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={4294967298:4294967300}, 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=8, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6572] CALL, EXPR hcd_to_vhci(hcd) VAL [__this_module={4294967303:4294967309}, 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=8, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6415] return ((struct vhci_hcd *)(& hcd->hcd_priv)); VAL [\result={4294967308:0}, __this_module={4294967303:4294967309}, 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=8, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6572] RET, EXPR hcd_to_vhci(hcd) VAL [__this_module={4294967303:4294967309}, bit_desc={372:0}, buf={4294967298:4294967300}, buf={4294967298:4294967300}, 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={4294967298:4294967300}, 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=8, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6572] vhci = hcd_to_vhci(hcd) [L6573] CALL, EXPR spinlock_check(& vhci->lock) VAL [__this_module={4294967303:4294967309}, 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=8, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L5188] return (& lock->ldv_5812.rlock); VAL [\result={4294967308:0}, __this_module={4294967303:4294967309}, 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=8, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6573] RET, EXPR spinlock_check(& vhci->lock) VAL [__this_module={4294967303:4294967309}, bit_desc={372:0}, buf={4294967298:4294967300}, buf={4294967298:4294967300}, 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={4294967298:4294967300}, 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=8, vhci={4294967308:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6573] tmp = spinlock_check(& vhci->lock) [L6574] CALL, EXPR _raw_spin_lock_irqsave(tmp) VAL [__this_module={4294967303:4294967309}, 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=8, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L8294] return __VERIFIER_nondet_ulong(); [L6574] RET, EXPR _raw_spin_lock_irqsave(tmp) VAL [__this_module={4294967303:4294967309}, _raw_spin_lock_irqsave(tmp)=4294967305, bit_desc={372:0}, buf={4294967298:4294967300}, buf={4294967298:4294967300}, 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={4294967298:4294967300}, 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=8, vhci={4294967308:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6574] flags = _raw_spin_lock_irqsave(tmp) [L6575] EXPR hcd->flags VAL [__this_module={4294967303:4294967309}, bit_desc={372:0}, buf={4294967298:4294967300}, buf={4294967298:4294967300}, 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={4294967298:4294967300}, flags=9, 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=8, vhci={4294967308:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6575] COND FALSE !((hcd->flags & 1UL) == 0UL) [L6591] rhport = 0 VAL [__this_module={4294967303:4294967309}, bit_desc={372:0}, buf={4294967298:4294967300}, buf={4294967298:4294967300}, 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={4294967298:4294967300}, flags=9, 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=8, vhci={4294967308:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6613] COND TRUE rhport <= 7 VAL [__this_module={4294967303:4294967309}, bit_desc={372:0}, buf={4294967298:4294967300}, buf={4294967298:4294967300}, 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={4294967298:4294967300}, flags=9, 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=8, vhci={4294967308:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6594] EXPR vhci->port_status[rhport] VAL [__this_module={4294967303:4294967309}, bit_desc={372:0}, buf={4294967298:4294967300}, buf={4294967298:4294967300}, 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={4294967298:4294967300}, flags=9, 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=8, vhci={4294967308:0}, vhci->port_status[rhport]=4294967299, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6594] COND TRUE (vhci->port_status[rhport] & 2031616U) != 0U [L6595] COND FALSE !((usbip_debug_flag & 256UL) != 0UL) VAL [__this_module={4294967303:4294967309}, bit_desc={372:0}, buf={4294967298:4294967300}, buf={4294967298:4294967300}, 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={4294967298:4294967300}, flags=9, 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=8, vhci={4294967308:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6607] \read(*event_bits) VAL [\read(*event_bits)=0, __this_module={4294967303:4294967309}, bit_desc={372:0}, buf={4294967298:4294967300}, buf={4294967298:4294967300}, 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={4294967298:4294967300}, flags=9, 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=8, vhci={4294967308:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6607] EXPR rhport + 1 VAL [\read(*event_bits)=0, __this_module={4294967303:4294967309}, bit_desc={372:0}, buf={4294967298:4294967300}, buf={4294967298:4294967300}, 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={4294967298:4294967300}, flags=9, 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=8, vhci={4294967308:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] [L6607] 1 << (rhport + 1) VAL [\read(*event_bits)=0, __this_module={4294967303:4294967309}, bit_desc={372:0}, buf={4294967298:4294967300}, buf={4294967298:4294967300}, 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={4294967298:4294967300}, flags=9, 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=8, vhci={4294967308:0}, vhci_driver={374:0}, vhci_hc_driver={373:0}] - UnprovableResult [Line: 6465]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6465]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6469]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6469]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6080]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6080]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8231]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8231]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6050]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6050]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8220]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8220]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7503]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7503]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7033]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7033]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6607]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6607]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6607]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6611]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6611]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6724]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6724]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6734]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6734]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6822]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6822]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6874]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6874]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6882]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6882]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6985]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6985]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8054]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8054]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7758]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7758]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7761]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7761]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8062]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8062]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8070]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8070]: 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 47 procedures, 978 locations, 46 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 865 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 681 mSDsluCounter, 19633 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13101 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 6532 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=978occurred 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: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 645 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.9s 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 21:02:21,715 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...