/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 [2022-10-16 12:32:59,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:32:59,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:32:59,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:32:59,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:32:59,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:32:59,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:32:59,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:32:59,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:32:59,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:32:59,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:32:59,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:32:59,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:32:59,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:32:59,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:32:59,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:32:59,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:32:59,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:32:59,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:32:59,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:32:59,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:32:59,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:32:59,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:32:59,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:32:59,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:32:59,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:32:59,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:32:59,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:32:59,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:32:59,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:32:59,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:32:59,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:32:59,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:32:59,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:32:59,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:32:59,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:32:59,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:32:59,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:32:59,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:32:59,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:32:59,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:32:59,521 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 12:32:59,567 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:32:59,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:32:59,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:32:59,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:32:59,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:32:59,569 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:32:59,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:32:59,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:32:59,570 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:32:59,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:32:59,570 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:32:59,571 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:32:59,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:32:59,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:32:59,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:32:59,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:32:59,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:32:59,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:32:59,572 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:32:59,572 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:32:59,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:32:59,573 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:32:59,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:32:59,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:32:59,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:32:59,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:32:59,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:32:59,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:32:59,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:32:59,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:32:59,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:32:59,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:32:59,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:32:59,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:32:59,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:33:00,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:33:00,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:33:00,015 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:33:00,016 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:33:00,017 INFO L432 ainManager$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 [2022-10-16 12:33:00,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49ccd2d02/7be6f545b4ba443bb2f7970e0f3bdbe8/FLAGe6db3c59a [2022-10-16 12:33:01,197 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:33:01,198 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 [2022-10-16 12:33:01,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49ccd2d02/7be6f545b4ba443bb2f7970e0f3bdbe8/FLAGe6db3c59a [2022-10-16 12:33:01,619 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49ccd2d02/7be6f545b4ba443bb2f7970e0f3bdbe8 [2022-10-16 12:33:01,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:33:01,630 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:33:01,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:33:01,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:33:01,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:33:01,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:33:01" (1/1) ... [2022-10-16 12:33:01,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a939242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:01, skipping insertion in model container [2022-10-16 12:33:01,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:33:01" (1/1) ... [2022-10-16 12:33:01,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:33:01,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:33:03,900 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] [2022-10-16 12:33:03,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:33:03,969 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:33:04,407 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] [2022-10-16 12:33:04,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:33:04,604 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:33:04,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:04 WrapperNode [2022-10-16 12:33:04,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:33:04,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:33:04,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:33:04,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:33:04,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:04" (1/1) ... [2022-10-16 12:33:04,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:04" (1/1) ... [2022-10-16 12:33:04,872 INFO L138 Inliner]: procedures = 204, calls = 1862, calls flagged for inlining = 100, calls inlined = 66, statements flattened = 3064 [2022-10-16 12:33:04,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:33:04,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:33:04,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:33:04,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:33:04,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:04" (1/1) ... [2022-10-16 12:33:04,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:04" (1/1) ... [2022-10-16 12:33:04,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:04" (1/1) ... [2022-10-16 12:33:04,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:04" (1/1) ... [2022-10-16 12:33:05,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:04" (1/1) ... [2022-10-16 12:33:05,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:04" (1/1) ... [2022-10-16 12:33:05,050 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:04" (1/1) ... [2022-10-16 12:33:05,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:04" (1/1) ... [2022-10-16 12:33:05,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:33:05,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:33:05,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:33:05,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:33:05,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:04" (1/1) ... [2022-10-16 12:33:05,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:33:05,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:33:05,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 12:33:05,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 12:33:05,208 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-10-16 12:33:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-10-16 12:33:05,208 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-10-16 12:33:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-10-16 12:33:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2022-10-16 12:33:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2022-10-16 12:33:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-16 12:33:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-16 12:33:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_to_hcd [2022-10-16 12:33:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_to_hcd [2022-10-16 12:33:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:33:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:33:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 12:33:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 12:33:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 12:33:05,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 12:33:05,211 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 12:33:05,211 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 12:33:05,211 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2022-10-16 12:33:05,211 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2022-10-16 12:33:05,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:33:05,211 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-16 12:33:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-16 12:33:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:33:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-16 12:33:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-16 12:33:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 12:33:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 12:33:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:33:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:33:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-10-16 12:33:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-10-16 12:33:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_event_add [2022-10-16 12:33:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_event_add [2022-10-16 12:33:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-16 12:33:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-16 12:33:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-16 12:33:05,214 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-16 12:33:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-16 12:33:05,214 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-16 12:33:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-16 12:33:05,214 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-16 12:33:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-10-16 12:33:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-10-16 12:33:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-10-16 12:33:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-10-16 12:33:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-16 12:33:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-16 12:33:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-16 12:33:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-16 12:33:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-10-16 12:33:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-10-16 12:33:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-10-16 12:33:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-10-16 12:33:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:33:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure dump_port_status [2022-10-16 12:33:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_port_status [2022-10-16 12:33:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure port_to_vdev [2022-10-16 12:33:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure port_to_vdev [2022-10-16 12:33:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 12:33:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 12:33:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-16 12:33:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-16 12:33:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:33:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-16 12:33:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-16 12:33:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 12:33:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 12:33:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev [2022-10-16 12:33:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev [2022-10-16 12:33:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:33:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2022-10-16 12:33:05,219 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2022-10-16 12:33:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-10-16 12:33:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:33:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:33:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 12:33:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-16 12:33:05,220 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-16 12:33:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-10-16 12:33:05,220 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-10-16 12:33:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-10-16 12:33:05,220 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-10-16 12:33:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-16 12:33:05,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-16 12:33:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_vhci [2022-10-16 12:33:05,221 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_vhci [2022-10-16 12:33:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-10-16 12:33:05,221 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-10-16 12:33:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-16 12:33:05,221 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-16 12:33:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev [2022-10-16 12:33:05,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev [2022-10-16 12:33:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_dev [2022-10-16 12:33:05,222 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_dev [2022-10-16 12:33:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-16 12:33:05,222 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-16 12:33:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-16 12:33:05,223 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-16 12:33:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:33:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-16 12:33:05,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-16 12:33:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_task_init [2022-10-16 12:33:05,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_task_init [2022-10-16 12:33:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:33:05,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:33:05,841 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:33:05,845 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:33:09,198 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:33:09,218 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:33:09,218 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 12:33:09,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:33:09 BoogieIcfgContainer [2022-10-16 12:33:09,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:33:09,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:33:09,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:33:09,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:33:09,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:33:01" (1/3) ... [2022-10-16 12:33:09,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1355582c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:33:09, skipping insertion in model container [2022-10-16 12:33:09,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:04" (2/3) ... [2022-10-16 12:33:09,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1355582c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:33:09, skipping insertion in model container [2022-10-16 12:33:09,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:33:09" (3/3) ... [2022-10-16 12:33:09,235 INFO L112 eAbstractionObserver]: Analyzing ICFG main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa.i [2022-10-16 12:33:09,260 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:33:09,261 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2022-10-16 12:33:09,370 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:33:09,394 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;@32e3bee1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:33:09,395 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2022-10-16 12:33:09,411 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) [2022-10-16 12:33:09,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-16 12:33:09,443 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:33:09,445 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:33:09,446 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)] === [2022-10-16 12:33:09,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:33:09,454 INFO L85 PathProgramCache]: Analyzing trace with hash 459169458, now seen corresponding path program 1 times [2022-10-16 12:33:09,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:33:09,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164356687] [2022-10-16 12:33:09,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:33:09,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:33:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:10,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:33:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:10,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 12:33:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:10,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:33:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:10,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 12:33:10,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:33:10,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164356687] [2022-10-16 12:33:10,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164356687] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:33:10,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:33:10,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:33:10,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573570295] [2022-10-16 12:33:10,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:33:10,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:33:10,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:33:10,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:33:10,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:33:10,618 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) [2022-10-16 12:33:10,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:33:10,850 INFO L93 Difference]: Finished difference Result 1855 states and 2572 transitions. [2022-10-16 12:33:10,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:33:10,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2022-10-16 12:33:10,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:33:10,889 INFO L225 Difference]: With dead ends: 1855 [2022-10-16 12:33:10,890 INFO L226 Difference]: Without dead ends: 877 [2022-10-16 12:33:10,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:33:10,922 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 [2022-10-16 12:33:10,923 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] [2022-10-16 12:33:10,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2022-10-16 12:33:11,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 877. [2022-10-16 12:33:11,061 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) [2022-10-16 12:33:11,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1196 transitions. [2022-10-16 12:33:11,073 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1196 transitions. Word has length 33 [2022-10-16 12:33:11,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:33:11,075 INFO L495 AbstractCegarLoop]: Abstraction has 877 states and 1196 transitions. [2022-10-16 12:33:11,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:33:11,075 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1196 transitions. [2022-10-16 12:33:11,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-16 12:33:11,080 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:33:11,080 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:33:11,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:33:11,081 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)] === [2022-10-16 12:33:11,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:33:11,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1366763973, now seen corresponding path program 1 times [2022-10-16 12:33:11,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:33:11,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278882278] [2022-10-16 12:33:11,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:33:11,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:33:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:11,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:33:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:11,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 12:33:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:11,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:33:11,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:33:11,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278882278] [2022-10-16 12:33:11,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278882278] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:33:11,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:33:11,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:33:11,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913675910] [2022-10-16 12:33:11,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:33:11,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:33:11,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:33:11,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:33:11,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:33:11,839 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) [2022-10-16 12:33:12,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:33:12,039 INFO L93 Difference]: Finished difference Result 2369 states and 3314 transitions. [2022-10-16 12:33:12,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:33:12,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2022-10-16 12:33:12,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:33:12,060 INFO L225 Difference]: With dead ends: 2369 [2022-10-16 12:33:12,061 INFO L226 Difference]: Without dead ends: 1514 [2022-10-16 12:33:12,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:33:12,074 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 [2022-10-16 12:33:12,074 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] [2022-10-16 12:33:12,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2022-10-16 12:33:12,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 871. [2022-10-16 12:33:12,184 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) [2022-10-16 12:33:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1185 transitions. [2022-10-16 12:33:12,195 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1185 transitions. Word has length 42 [2022-10-16 12:33:12,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:33:12,197 INFO L495 AbstractCegarLoop]: Abstraction has 871 states and 1185 transitions. [2022-10-16 12:33:12,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:33:12,198 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1185 transitions. [2022-10-16 12:33:12,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 12:33:12,206 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:33:12,207 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:33:12,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:33:12,207 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)] === [2022-10-16 12:33:12,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:33:12,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1854779061, now seen corresponding path program 1 times [2022-10-16 12:33:12,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:33:12,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045618466] [2022-10-16 12:33:12,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:33:12,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:33:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:12,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:33:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:12,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 12:33:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:12,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 12:33:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:12,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 12:33:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:12,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 12:33:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:12,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 12:33:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:12,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 12:33:12,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:33:12,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045618466] [2022-10-16 12:33:12,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045618466] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:33:12,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:33:12,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:33:12,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432722901] [2022-10-16 12:33:12,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:33:12,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:33:12,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:33:12,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:33:12,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:33:12,697 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) [2022-10-16 12:33:12,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:33:12,782 INFO L93 Difference]: Finished difference Result 1718 states and 2341 transitions. [2022-10-16 12:33:12,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:33:12,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 52 [2022-10-16 12:33:12,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:33:12,791 INFO L225 Difference]: With dead ends: 1718 [2022-10-16 12:33:12,792 INFO L226 Difference]: Without dead ends: 890 [2022-10-16 12:33:12,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:33:12,798 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 [2022-10-16 12:33:12,798 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] [2022-10-16 12:33:12,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2022-10-16 12:33:12,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 888. [2022-10-16 12:33:12,839 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) [2022-10-16 12:33:12,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1209 transitions. [2022-10-16 12:33:12,847 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1209 transitions. Word has length 52 [2022-10-16 12:33:12,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:33:12,848 INFO L495 AbstractCegarLoop]: Abstraction has 888 states and 1209 transitions. [2022-10-16 12:33:12,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 12:33:12,849 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1209 transitions. [2022-10-16 12:33:12,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 12:33:12,852 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:33:12,853 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:33:12,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:33:12,853 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)] === [2022-10-16 12:33:12,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:33:12,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1322422163, now seen corresponding path program 1 times [2022-10-16 12:33:12,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:33:12,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873958206] [2022-10-16 12:33:12,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:33:12,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:33:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:13,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:33:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:13,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 12:33:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:13,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-16 12:33:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:13,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 12:33:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:13,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 12:33:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:13,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:33:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:13,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:33:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:13,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 12:33:13,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:33:13,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873958206] [2022-10-16 12:33:13,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873958206] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:33:13,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:33:13,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:33:13,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661656598] [2022-10-16 12:33:13,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:33:13,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:33:13,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:33:13,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:33:13,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:33:13,420 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) [2022-10-16 12:33:13,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:33:13,494 INFO L93 Difference]: Finished difference Result 1740 states and 2371 transitions. [2022-10-16 12:33:13,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:33:13,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 54 [2022-10-16 12:33:13,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:33:13,503 INFO L225 Difference]: With dead ends: 1740 [2022-10-16 12:33:13,503 INFO L226 Difference]: Without dead ends: 895 [2022-10-16 12:33:13,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:33:13,509 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 [2022-10-16 12:33:13,510 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] [2022-10-16 12:33:13,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2022-10-16 12:33:13,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 895. [2022-10-16 12:33:13,556 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) [2022-10-16 12:33:13,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1217 transitions. [2022-10-16 12:33:13,564 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1217 transitions. Word has length 54 [2022-10-16 12:33:13,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:33:13,564 INFO L495 AbstractCegarLoop]: Abstraction has 895 states and 1217 transitions. [2022-10-16 12:33:13,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 12:33:13,565 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1217 transitions. [2022-10-16 12:33:13,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 12:33:13,568 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:33:13,569 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:33:13,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:33:13,570 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)] === [2022-10-16 12:33:13,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:33:13,574 INFO L85 PathProgramCache]: Analyzing trace with hash -814320250, now seen corresponding path program 1 times [2022-10-16 12:33:13,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:33:13,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289175909] [2022-10-16 12:33:13,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:33:13,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:33:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:14,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:33:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:14,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 12:33:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:14,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 12:33:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:14,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 12:33:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:14,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 12:33:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:14,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 12:33:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:14,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 12:33:14,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:33:14,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289175909] [2022-10-16 12:33:14,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289175909] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:33:14,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:33:14,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:33:14,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70923192] [2022-10-16 12:33:14,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:33:14,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:33:14,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:33:14,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:33:14,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:33:14,111 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) [2022-10-16 12:33:14,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:33:14,203 INFO L93 Difference]: Finished difference Result 1749 states and 2378 transitions. [2022-10-16 12:33:14,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:33:14,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 56 [2022-10-16 12:33:14,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:33:14,211 INFO L225 Difference]: With dead ends: 1749 [2022-10-16 12:33:14,211 INFO L226 Difference]: Without dead ends: 883 [2022-10-16 12:33:14,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:33:14,217 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 [2022-10-16 12:33:14,217 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] [2022-10-16 12:33:14,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2022-10-16 12:33:14,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 883. [2022-10-16 12:33:14,253 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) [2022-10-16 12:33:14,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1199 transitions. [2022-10-16 12:33:14,286 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1199 transitions. Word has length 56 [2022-10-16 12:33:14,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:33:14,287 INFO L495 AbstractCegarLoop]: Abstraction has 883 states and 1199 transitions. [2022-10-16 12:33:14,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 12:33:14,287 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1199 transitions. [2022-10-16 12:33:14,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 12:33:14,293 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:33:14,293 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:33:14,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:33:14,293 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)] === [2022-10-16 12:33:14,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:33:14,294 INFO L85 PathProgramCache]: Analyzing trace with hash -855765249, now seen corresponding path program 1 times [2022-10-16 12:33:14,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:33:14,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131066754] [2022-10-16 12:33:14,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:33:14,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:33:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:33:14,631 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 12:33:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:33:14,936 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 12:33:14,937 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 12:33:14,938 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 46 remaining) [2022-10-16 12:33:14,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dump_port_statusErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 46 remaining) [2022-10-16 12:33:14,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dump_port_statusErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 46 remaining) [2022-10-16 12:33:14,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dump_port_statusErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 46 remaining) [2022-10-16 12:33:14,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dump_port_statusErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 46 remaining) [2022-10-16 12:33:14,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atomic_add_returnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 46 remaining) [2022-10-16 12:33:14,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location atomic_add_returnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 46 remaining) [2022-10-16 12:33:14,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_usb_put_devErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 46 remaining) [2022-10-16 12:33:14,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_usb_put_devErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 46 remaining) [2022-10-16 12:33:14,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location kzallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 46 remaining) [2022-10-16 12:33:14,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location kzallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 46 remaining) [2022-10-16 12:33:14,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_usb_get_devErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 46 remaining) [2022-10-16 12:33:14,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_usb_get_devErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 46 remaining) [2022-10-16 12:33:14,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 46 remaining) [2022-10-16 12:33:14,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 46 remaining) [2022-10-16 12:33:14,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 46 remaining) [2022-10-16 12:33:14,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 46 remaining) [2022-10-16 12:33:14,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 46 remaining) [2022-10-16 12:33:14,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 46 remaining) [2022-10-16 12:33:14,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 46 remaining) [2022-10-16 12:33:14,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 46 remaining) [2022-10-16 12:33:14,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 46 remaining) [2022-10-16 12:33:14,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 46 remaining) [2022-10-16 12:33:14,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 46 remaining) [2022-10-16 12:33:14,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 46 remaining) [2022-10-16 12:33:14,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 46 remaining) [2022-10-16 12:33:14,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 46 remaining) [2022-10-16 12:33:14,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 46 remaining) [2022-10-16 12:33:14,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 46 remaining) [2022-10-16 12:33:14,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 46 remaining) [2022-10-16 12:33:14,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 46 remaining) [2022-10-16 12:33:14,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 46 remaining) [2022-10-16 12:33:14,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 46 remaining) [2022-10-16 12:33:14,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 46 remaining) [2022-10-16 12:33:14,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 46 remaining) [2022-10-16 12:33:14,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 46 remaining) [2022-10-16 12:33:14,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 46 remaining) [2022-10-16 12:33:14,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 46 remaining) [2022-10-16 12:33:14,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 46 remaining) [2022-10-16 12:33:14,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 46 remaining) [2022-10-16 12:33:14,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 46 remaining) [2022-10-16 12:33:14,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 46 remaining) [2022-10-16 12:33:14,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 46 remaining) [2022-10-16 12:33:14,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 46 remaining) [2022-10-16 12:33:14,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 46 remaining) [2022-10-16 12:33:14,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 46 remaining) [2022-10-16 12:33:14,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:33:14,955 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-10-16 12:33:14,960 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 12:33:15,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:33:15 BoogieIcfgContainer [2022-10-16 12:33:15,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 12:33:15,120 INFO L158 Benchmark]: Toolchain (without parser) took 13494.95ms. Allocated memory was 153.1MB in the beginning and 466.6MB in the end (delta: 313.5MB). Free memory was 116.4MB in the beginning and 282.5MB in the end (delta: -166.1MB). Peak memory consumption was 149.4MB. Max. memory is 8.0GB. [2022-10-16 12:33:15,121 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 134.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 12:33:15,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2972.16ms. Allocated memory was 153.1MB in the beginning and 206.6MB in the end (delta: 53.5MB). Free memory was 116.3MB in the beginning and 148.4MB in the end (delta: -32.1MB). Peak memory consumption was 78.0MB. Max. memory is 8.0GB. [2022-10-16 12:33:15,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 265.67ms. Allocated memory is still 206.6MB. Free memory was 148.4MB in the beginning and 129.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-10-16 12:33:15,122 INFO L158 Benchmark]: Boogie Preprocessor took 221.65ms. Allocated memory is still 206.6MB. Free memory was 129.5MB in the beginning and 112.2MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-10-16 12:33:15,122 INFO L158 Benchmark]: RCFGBuilder took 4126.54ms. Allocated memory was 206.6MB in the beginning and 360.7MB in the end (delta: 154.1MB). Free memory was 112.2MB in the beginning and 214.9MB in the end (delta: -102.7MB). Peak memory consumption was 95.4MB. Max. memory is 8.0GB. [2022-10-16 12:33:15,123 INFO L158 Benchmark]: TraceAbstraction took 5893.77ms. Allocated memory was 360.7MB in the beginning and 466.6MB in the end (delta: 105.9MB). Free memory was 214.4MB in the beginning and 282.5MB in the end (delta: -68.1MB). Peak memory consumption was 37.3MB. Max. memory is 8.0GB. [2022-10-16 12:33:15,124 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 134.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2972.16ms. Allocated memory was 153.1MB in the beginning and 206.6MB in the end (delta: 53.5MB). Free memory was 116.3MB in the beginning and 148.4MB in the end (delta: -32.1MB). Peak memory consumption was 78.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 265.67ms. Allocated memory is still 206.6MB. Free memory was 148.4MB in the beginning and 129.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 221.65ms. Allocated memory is still 206.6MB. Free memory was 129.5MB in the beginning and 112.2MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * RCFGBuilder took 4126.54ms. Allocated memory was 206.6MB in the beginning and 360.7MB in the end (delta: 154.1MB). Free memory was 112.2MB in the beginning and 214.9MB in the end (delta: -102.7MB). Peak memory consumption was 95.4MB. Max. memory is 8.0GB. * TraceAbstraction took 5893.77ms. Allocated memory was 360.7MB in the beginning and 466.6MB in the end (delta: 105.9MB). Free memory was 214.4MB in the beginning and 282.5MB in the end (delta: -68.1MB). Peak memory consumption was 37.3MB. 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: 5.6s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.9s, 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, 2.4s InterpolantComputationTime, 295 NumberOfCodeBlocks, 295 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 285 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-10-16 12:33:15,177 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...