/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:50:37,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:50:37,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:50:37,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:50:37,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:50:37,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:50:37,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:50:37,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:50:37,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:50:37,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:50:37,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:50:37,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:50:37,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:50:37,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:50:37,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:50:37,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:50:37,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:50:37,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:50:37,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:50:37,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:50:37,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:50:37,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:50:37,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:50:37,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:50:37,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:50:37,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:50:37,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:50:37,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:50:37,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:50:37,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:50:37,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:50:37,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:50:37,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:50:37,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:50:37,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:50:37,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:50:37,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:50:37,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:50:37,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:50:37,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:50:37,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:50:37,690 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 12:50:37,741 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:50:37,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:50:37,743 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:50:37,743 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:50:37,744 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:50:37,745 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:50:37,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:50:37,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:50:37,748 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:50:37,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:50:37,750 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:50:37,750 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:50:37,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:50:37,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:50:37,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:50:37,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:50:37,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:50:37,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:50:37,751 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:50:37,751 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:50:37,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:50:37,752 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:50:37,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:50:37,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:50:37,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:50:37,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:50:37,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:50:37,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:50:37,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:50:37,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:50:37,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:50:37,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:50:37,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:50:37,754 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:50:38,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:50:38,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:50:38,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:50:38,210 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:50:38,211 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:50:38,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2022-10-16 12:50:38,297 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb7f121da/58520145f7eb43c5893e62f63ffb560d/FLAG147b05885 [2022-10-16 12:50:39,524 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:50:39,525 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2022-10-16 12:50:39,590 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb7f121da/58520145f7eb43c5893e62f63ffb560d/FLAG147b05885 [2022-10-16 12:50:39,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb7f121da/58520145f7eb43c5893e62f63ffb560d [2022-10-16 12:50:39,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:50:39,810 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:50:39,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:50:39,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:50:39,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:50:39,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:50:39" (1/1) ... [2022-10-16 12:50:39,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41b60699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:50:39, skipping insertion in model container [2022-10-16 12:50:39,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:50:39" (1/1) ... [2022-10-16 12:50:39,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:50:40,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:50:43,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i[339370,339383] [2022-10-16 12:50:43,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:50:43,708 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:50:44,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i[339370,339383] [2022-10-16 12:50:44,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:50:44,583 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:50:44,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:50:44 WrapperNode [2022-10-16 12:50:44,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:50:44,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:50:44,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:50:44,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:50:44,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:50:44" (1/1) ... [2022-10-16 12:50:44,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:50:44" (1/1) ... [2022-10-16 12:50:45,195 INFO L138 Inliner]: procedures = 326, calls = 4469, calls flagged for inlining = 131, calls inlined = 121, statements flattened = 9389 [2022-10-16 12:50:45,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:50:45,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:50:45,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:50:45,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:50:45,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:50:44" (1/1) ... [2022-10-16 12:50:45,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:50:44" (1/1) ... [2022-10-16 12:50:45,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:50:44" (1/1) ... [2022-10-16 12:50:45,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:50:44" (1/1) ... [2022-10-16 12:50:45,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:50:44" (1/1) ... [2022-10-16 12:50:45,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:50:44" (1/1) ... [2022-10-16 12:50:45,798 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:50:44" (1/1) ... [2022-10-16 12:50:45,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:50:44" (1/1) ... [2022-10-16 12:50:46,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:50:46,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:50:46,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:50:46,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:50:46,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:50:44" (1/1) ... [2022-10-16 12:50:46,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:50:46,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:50:46,073 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 12:50:46,094 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 12:50:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ohci [2022-10-16 12:50:46,144 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ohci [2022-10-16 12:50:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-16 12:50:46,145 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-16 12:50:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-10-16 12:50:46,145 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-10-16 12:50:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-10-16 12:50:46,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-10-16 12:50:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure start_ed_unlink [2022-10-16 12:50:46,146 INFO L138 BoogieDeclarations]: Found implementation of procedure start_ed_unlink [2022-10-16 12:50:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_status [2022-10-16 12:50:46,146 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_status [2022-10-16 12:50:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-10-16 12:50:46,146 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-10-16 12:50:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_suspend [2022-10-16 12:50:46,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_suspend [2022-10-16 12:50:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2022-10-16 12:50:46,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2022-10-16 12:50:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure show_list [2022-10-16 12:50:46,147 INFO L138 BoogieDeclarations]: Found implementation of procedure show_list [2022-10-16 12:50:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_probe [2022-10-16 12:50:46,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_probe [2022-10-16 12:50:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:50:46,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:50:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-10-16 12:50:46,148 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-10-16 12:50:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2022-10-16 12:50:46,148 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2022-10-16 12:50:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure hcfs2string [2022-10-16 12:50:46,149 INFO L138 BoogieDeclarations]: Found implementation of procedure hcfs2string [2022-10-16 12:50:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_zfmicro [2022-10-16 12:50:46,149 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_zfmicro [2022-10-16 12:50:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2022-10-16 12:50:46,150 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2022-10-16 12:50:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_status_data [2022-10-16 12:50:46,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_status_data [2022-10-16 12:50:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_pci_reset [2022-10-16 12:50:46,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_pci_reset [2022-10-16 12:50:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_shutdown [2022-10-16 12:50:46,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_shutdown [2022-10-16 12:50:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 12:50:46,151 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 12:50:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 12:50:46,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 12:50:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_intr_mask [2022-10-16 12:50:46,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_intr_mask [2022-10-16 12:50:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2022-10-16 12:50:46,152 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2022-10-16 12:50:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_writel [2022-10-16 12:50:46,152 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_writel [2022-10-16 12:50:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-16 12:50:46,152 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-16 12:50:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 12:50:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 12:50:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hwPSWp [2022-10-16 12:50:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hwPSWp [2022-10-16 12:50:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_resume [2022-10-16 12:50:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_resume [2022-10-16 12:50:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_suspend [2022-10-16 12:50:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_suspend [2022-10-16 12:50:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2022-10-16 12:50:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2022-10-16 12:50:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-16 12:50:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-16 12:50:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 12:50:46,155 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 12:50:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure ed_schedule [2022-10-16 12:50:46,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_schedule [2022-10-16 12:50:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hcd_init [2022-10-16 12:50:46,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hcd_init [2022-10-16 12:50:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_roothub [2022-10-16 12:50:46,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_roothub [2022-10-16 12:50:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-10-16 12:50:46,156 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-10-16 12:50:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-10-16 12:50:46,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-10-16 12:50:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:50:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_stop [2022-10-16 12:50:46,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_stop [2022-10-16 12:50:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-16 12:50:46,157 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-16 12:50:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:50:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-10-16 12:50:46,157 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-10-16 12:50:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_pci_remove [2022-10-16 12:50:46,158 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_pci_remove [2022-10-16 12:50:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure check_ed [2022-10-16 12:50:46,158 INFO L138 BoogieDeclarations]: Found implementation of procedure check_ed [2022-10-16 12:50:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_restart [2022-10-16 12:50:46,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_restart [2022-10-16 12:50:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_nec [2022-10-16 12:50:46,159 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_nec [2022-10-16 12:50:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 12:50:46,159 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 12:50:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-10-16 12:50:46,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-10-16 12:50:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure td_free [2022-10-16 12:50:46,159 INFO L138 BoogieDeclarations]: Found implementation of procedure td_free [2022-10-16 12:50:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure broken_suspend [2022-10-16 12:50:46,160 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_suspend [2022-10-16 12:50:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:50:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_resume [2022-10-16 12:50:46,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_resume [2022-10-16 12:50:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_platform_shutdown [2022-10-16 12:50:46,160 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_platform_shutdown [2022-10-16 12:50:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:50:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_portstatus [2022-10-16 12:50:46,161 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_portstatus [2022-10-16 12:50:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-10-16 12:50:46,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-10-16 12:50:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2022-10-16 12:50:46,161 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2022-10-16 12:50:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_remove [2022-10-16 12:50:46,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_remove [2022-10-16 12:50:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-10-16 12:50:46,162 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-10-16 12:50:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-16 12:50:46,162 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-16 12:50:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-10-16 12:50:46,163 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-10-16 12:50:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-16 12:50:46,163 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-16 12:50:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-16 12:50:46,163 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-16 12:50:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-16 12:50:46,163 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-16 12:50:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_resume [2022-10-16 12:50:46,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_resume [2022-10-16 12:50:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure ed_free [2022-10-16 12:50:46,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_free [2022-10-16 12:50:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-16 12:50:46,164 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-16 12:50:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-10-16 12:50:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-10-16 12:50:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_start [2022-10-16 12:50:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_start [2022-10-16 12:50:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump [2022-10-16 12:50:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump [2022-10-16 12:50:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_frame_no [2022-10-16 12:50:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_frame_no [2022-10-16 12:50:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-16 12:50:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-16 12:50:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-16 12:50:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-16 12:50:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-16 12:50:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-16 12:50:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure sb800_prefetch [2022-10-16 12:50:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure sb800_prefetch [2022-10-16 12:50:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_control [2022-10-16 12:50:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_control [2022-10-16 12:50:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-10-16 12:50:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-10-16 12:50:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:50:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure finish_urb [2022-10-16 12:50:46,168 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_urb [2022-10-16 12:50:46,168 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_suspend [2022-10-16 12:50:46,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_suspend [2022-10-16 12:50:46,168 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_a [2022-10-16 12:50:46,168 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_a [2022-10-16 12:50:46,168 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_irq [2022-10-16 12:50:46,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_irq [2022-10-16 12:50:46,168 INFO L130 BoogieDeclarations]: Found specification of procedure rh_state_string [2022-10-16 12:50:46,169 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_state_string [2022-10-16 12:50:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_b [2022-10-16 12:50:46,169 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_b [2022-10-16 12:50:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_enqueue [2022-10-16 12:50:46,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_enqueue [2022-10-16 12:50:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start_port_reset [2022-10-16 12:50:46,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start_port_reset [2022-10-16 12:50:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_to_hcd [2022-10-16 12:50:46,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_to_hcd [2022-10-16 12:50:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_pci_start [2022-10-16 12:50:46,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_pci_start [2022-10-16 12:50:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure td_alloc [2022-10-16 12:50:46,170 INFO L138 BoogieDeclarations]: Found implementation of procedure td_alloc [2022-10-16 12:50:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure find_head [2022-10-16 12:50:46,170 INFO L138 BoogieDeclarations]: Found implementation of procedure find_head [2022-10-16 12:50:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 12:50:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 12:50:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_run [2022-10-16 12:50:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_run [2022-10-16 12:50:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-10-16 12:50:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-10-16 12:50:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_endpoint_disable [2022-10-16 12:50:46,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_endpoint_disable [2022-10-16 12:50:46,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:50:46,172 INFO L130 BoogieDeclarations]: Found specification of procedure takeback_td [2022-10-16 12:50:46,172 INFO L138 BoogieDeclarations]: Found implementation of procedure takeback_td [2022-10-16 12:50:46,172 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdprefetch [2022-10-16 12:50:46,172 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdprefetch [2022-10-16 12:50:46,172 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-16 12:50:46,173 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-16 12:50:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 12:50:46,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 12:50:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_readl [2022-10-16 12:50:46,173 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_readl [2022-10-16 12:50:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:50:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-10-16 12:50:46,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-10-16 12:50:46,174 INFO L130 BoogieDeclarations]: Found specification of procedure dl_done_list [2022-10-16 12:50:46,174 INFO L138 BoogieDeclarations]: Found implementation of procedure dl_done_list [2022-10-16 12:50:46,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2022-10-16 12:50:46,174 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2022-10-16 12:50:46,174 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-16 12:50:46,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-10-16 12:50:46,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:50:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_reinit [2022-10-16 12:50:46,175 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_reinit [2022-10-16 12:50:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-10-16 12:50:46,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-10-16 12:50:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-16 12:50:46,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-16 12:50:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:50:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure td_done [2022-10-16 12:50:46,176 INFO L138 BoogieDeclarations]: Found implementation of procedure td_done [2022-10-16 12:50:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure td_fill [2022-10-16 12:50:46,176 INFO L138 BoogieDeclarations]: Found implementation of procedure td_fill [2022-10-16 12:50:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_dequeue [2022-10-16 12:50:46,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_dequeue [2022-10-16 12:50:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 12:50:46,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 12:50:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_init [2022-10-16 12:50:46,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_init [2022-10-16 12:50:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-16 12:50:46,177 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-16 12:50:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc16 [2022-10-16 12:50:46,177 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc16 [2022-10-16 12:50:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-16 12:50:46,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-16 12:50:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdiso [2022-10-16 12:50:46,178 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdiso [2022-10-16 12:50:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-10-16 12:50:46,178 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-10-16 12:50:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-16 12:50:46,178 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-16 12:50:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure ed_deschedule [2022-10-16 12:50:46,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_deschedule [2022-10-16 12:50:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2022-10-16 12:50:46,179 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2022-10-16 12:50:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure urb_free_priv [2022-10-16 12:50:46,179 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_free_priv [2022-10-16 12:50:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure finish_unlinks [2022-10-16 12:50:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_unlinks [2022-10-16 12:50:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2022-10-16 12:50:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2022-10-16 12:50:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2022-10-16 12:50:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2022-10-16 12:50:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_status [2022-10-16 12:50:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_status [2022-10-16 12:50:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_print_eds [2022-10-16 12:50:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_print_eds [2022-10-16 12:50:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2022-10-16 12:50:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2022-10-16 12:50:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_get_frame [2022-10-16 12:50:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_get_frame [2022-10-16 12:50:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2022-10-16 12:50:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2022-10-16 12:50:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-16 12:50:46,182 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-16 12:50:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-16 12:50:46,182 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-16 12:50:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2022-10-16 12:50:46,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2022-10-16 12:50:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-16 12:50:46,182 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-16 12:50:46,183 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_usb_reset [2022-10-16 12:50:46,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_usb_reset [2022-10-16 12:50:46,183 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_resume [2022-10-16 12:50:46,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_resume [2022-10-16 12:50:46,183 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-16 12:50:46,183 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-16 12:50:46,183 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-16 12:50:46,183 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-16 12:50:46,184 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_suspend [2022-10-16 12:50:46,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_suspend [2022-10-16 12:50:46,184 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_reset [2022-10-16 12:50:46,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_reset [2022-10-16 12:50:46,184 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_pci_shutdown [2022-10-16 12:50:46,184 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_pci_shutdown [2022-10-16 12:50:46,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:50:46,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:50:46,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:50:46,185 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-10-16 12:50:46,185 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-10-16 12:50:47,254 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:50:47,260 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:50:58,836 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:50:58,867 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:50:58,867 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-16 12:50:58,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:50:58 BoogieIcfgContainer [2022-10-16 12:50:58,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:50:58,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:50:58,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:50:58,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:50:58,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:50:39" (1/3) ... [2022-10-16 12:50:58,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7738dc29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:50:58, skipping insertion in model container [2022-10-16 12:50:58,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:50:44" (2/3) ... [2022-10-16 12:50:58,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7738dc29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:50:58, skipping insertion in model container [2022-10-16 12:50:58,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:50:58" (3/3) ... [2022-10-16 12:50:58,887 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2022-10-16 12:50:58,912 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:50:58,912 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 190 error locations. [2022-10-16 12:50:59,140 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:50:59,149 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;@125a9af4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:50:59,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 190 error locations. [2022-10-16 12:50:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand has 3887 states, 2716 states have (on average 1.4764359351988219) internal successors, (4010), 2976 states have internal predecessors, (4010), 848 states have call successors, (848), 136 states have call predecessors, (848), 136 states have return successors, (848), 839 states have call predecessors, (848), 848 states have call successors, (848) [2022-10-16 12:50:59,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 12:50:59,198 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:50:59,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:50:59,200 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ohci_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ohci_hub_controlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ohci_hub_controlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 187 more)] === [2022-10-16 12:50:59,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:50:59,209 INFO L85 PathProgramCache]: Analyzing trace with hash 2104995966, now seen corresponding path program 1 times [2022-10-16 12:50:59,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:50:59,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551743859] [2022-10-16 12:50:59,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:50:59,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:50:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:51:00,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 12:51:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:51:00,321 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 12:51:00,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:51:00,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551743859] [2022-10-16 12:51:00,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551743859] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:51:00,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:51:00,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:51:00,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308782025] [2022-10-16 12:51:00,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:51:00,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:51:00,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:51:00,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:51:00,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:51:00,382 INFO L87 Difference]: Start difference. First operand has 3887 states, 2716 states have (on average 1.4764359351988219) internal successors, (4010), 2976 states have internal predecessors, (4010), 848 states have call successors, (848), 136 states have call predecessors, (848), 136 states have return successors, (848), 839 states have call predecessors, (848), 848 states have call successors, (848) Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:51:10,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:51:10,430 INFO L93 Difference]: Finished difference Result 12861 states and 19599 transitions. [2022-10-16 12:51:10,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:51:10,433 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-10-16 12:51:10,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:51:10,561 INFO L225 Difference]: With dead ends: 12861 [2022-10-16 12:51:10,561 INFO L226 Difference]: Without dead ends: 8921 [2022-10-16 12:51:10,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 12:51:10,653 INFO L413 NwaCegarLoop]: 6191 mSDtfsCounter, 8184 mSDsluCounter, 7616 mSDsCounter, 0 mSdLazyCounter, 3391 mSolverCounterSat, 2782 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9008 SdHoareTripleChecker+Valid, 13807 SdHoareTripleChecker+Invalid, 6173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2782 IncrementalHoareTripleChecker+Valid, 3391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-10-16 12:51:10,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9008 Valid, 13807 Invalid, 6173 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2782 Valid, 3391 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-10-16 12:51:10,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8921 states. [2022-10-16 12:51:11,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8921 to 7424. [2022-10-16 12:51:11,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7424 states, 5349 states have (on average 1.4191437651897552) internal successors, (7591), 5619 states have internal predecessors, (7591), 1664 states have call successors, (1664), 268 states have call predecessors, (1664), 268 states have return successors, (1664), 1646 states have call predecessors, (1664), 1664 states have call successors, (1664) [2022-10-16 12:51:11,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7424 states to 7424 states and 10919 transitions. [2022-10-16 12:51:11,380 INFO L78 Accepts]: Start accepts. Automaton has 7424 states and 10919 transitions. Word has length 16 [2022-10-16 12:51:11,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:51:11,381 INFO L495 AbstractCegarLoop]: Abstraction has 7424 states and 10919 transitions. [2022-10-16 12:51:11,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:51:11,382 INFO L276 IsEmpty]: Start isEmpty. Operand 7424 states and 10919 transitions. [2022-10-16 12:51:11,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-16 12:51:11,394 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:51:11,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:51:11,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:51:11,396 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ohci_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ohci_hub_controlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ohci_hub_controlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 187 more)] === [2022-10-16 12:51:11,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:51:11,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1470182737, now seen corresponding path program 1 times [2022-10-16 12:51:11,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:51:11,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145163637] [2022-10-16 12:51:11,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:51:11,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:51:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:51:12,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-16 12:51:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:51:12,209 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 12:51:12,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:51:12,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145163637] [2022-10-16 12:51:12,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145163637] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:51:12,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:51:12,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:51:12,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588048378] [2022-10-16 12:51:12,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:51:12,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:51:12,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:51:12,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:51:12,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:51:12,219 INFO L87 Difference]: Start difference. First operand 7424 states and 10919 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:51:21,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:51:21,701 INFO L93 Difference]: Finished difference Result 24840 states and 36845 transitions. [2022-10-16 12:51:21,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:51:21,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-10-16 12:51:21,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:51:21,887 INFO L225 Difference]: With dead ends: 24840 [2022-10-16 12:51:21,887 INFO L226 Difference]: Without dead ends: 17419 [2022-10-16 12:51:21,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 12:51:21,978 INFO L413 NwaCegarLoop]: 8076 mSDtfsCounter, 7700 mSDsluCounter, 8887 mSDsCounter, 0 mSdLazyCounter, 3424 mSolverCounterSat, 2333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8517 SdHoareTripleChecker+Valid, 16963 SdHoareTripleChecker+Invalid, 5757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2333 IncrementalHoareTripleChecker+Valid, 3424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-10-16 12:51:21,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8517 Valid, 16963 Invalid, 5757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2333 Valid, 3424 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-10-16 12:51:22,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17419 states. [2022-10-16 12:51:22,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17419 to 14650. [2022-10-16 12:51:23,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14650 states, 10651 states have (on average 1.4179889212280536) internal successors, (15103), 11049 states have internal predecessors, (15103), 3320 states have call successors, (3320), 536 states have call predecessors, (3320), 536 states have return successors, (3320), 3284 states have call predecessors, (3320), 3320 states have call successors, (3320) [2022-10-16 12:51:23,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14650 states to 14650 states and 21743 transitions. [2022-10-16 12:51:23,337 INFO L78 Accepts]: Start accepts. Automaton has 14650 states and 21743 transitions. Word has length 18 [2022-10-16 12:51:23,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:51:23,338 INFO L495 AbstractCegarLoop]: Abstraction has 14650 states and 21743 transitions. [2022-10-16 12:51:23,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:51:23,340 INFO L276 IsEmpty]: Start isEmpty. Operand 14650 states and 21743 transitions. [2022-10-16 12:51:23,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 12:51:23,342 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:51:23,342 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:51:23,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:51:23,343 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ohci_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ohci_hub_controlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ohci_hub_controlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 187 more)] === [2022-10-16 12:51:23,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:51:23,357 INFO L85 PathProgramCache]: Analyzing trace with hash -89744485, now seen corresponding path program 1 times [2022-10-16 12:51:23,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:51:23,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738924212] [2022-10-16 12:51:23,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:51:23,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:51:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:51:23,949 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 12:51:23,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:51:23,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738924212] [2022-10-16 12:51:23,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738924212] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:51:23,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:51:23,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:51:23,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027649020] [2022-10-16 12:51:23,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:51:23,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:51:23,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:51:23,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:51:23,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:51:23,958 INFO L87 Difference]: Start difference. First operand 14650 states and 21743 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:51:25,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:51:25,298 INFO L93 Difference]: Finished difference Result 43846 states and 65059 transitions. [2022-10-16 12:51:25,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:51:25,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-10-16 12:51:25,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:51:25,518 INFO L225 Difference]: With dead ends: 43846 [2022-10-16 12:51:25,518 INFO L226 Difference]: Without dead ends: 29199 [2022-10-16 12:51:25,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:51:25,631 INFO L413 NwaCegarLoop]: 8061 mSDtfsCounter, 5431 mSDsluCounter, 5466 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5431 SdHoareTripleChecker+Valid, 13527 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:51:25,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5431 Valid, 13527 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:51:25,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29199 states. [2022-10-16 12:51:27,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29199 to 29062. [2022-10-16 12:51:27,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29062 states, 21219 states have (on average 1.416607757198737) internal successors, (30059), 21873 states have internal predecessors, (30059), 6628 states have call successors, (6628), 1072 states have call predecessors, (6628), 1072 states have return successors, (6628), 6556 states have call predecessors, (6628), 6628 states have call successors, (6628) [2022-10-16 12:51:28,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29062 states to 29062 states and 43315 transitions. [2022-10-16 12:51:28,103 INFO L78 Accepts]: Start accepts. Automaton has 29062 states and 43315 transitions. Word has length 17 [2022-10-16 12:51:28,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:51:28,104 INFO L495 AbstractCegarLoop]: Abstraction has 29062 states and 43315 transitions. [2022-10-16 12:51:28,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:51:28,106 INFO L276 IsEmpty]: Start isEmpty. Operand 29062 states and 43315 transitions. [2022-10-16 12:51:28,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-16 12:51:28,107 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:51:28,108 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] [2022-10-16 12:51:28,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:51:28,111 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ohci_bus_resumeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ohci_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ohci_hub_controlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ohci_hub_controlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 187 more)] === [2022-10-16 12:51:28,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:51:28,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1405992707, now seen corresponding path program 1 times [2022-10-16 12:51:28,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:51:28,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651224520] [2022-10-16 12:51:28,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:51:28,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:51:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:51:28,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:51:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:51:28,663 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 12:51:28,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:51:28,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651224520] [2022-10-16 12:51:28,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651224520] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:51:28,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:51:28,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:51:28,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427478952] [2022-10-16 12:51:28,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:51:28,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:51:28,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:51:28,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:51:28,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:51:28,666 INFO L87 Difference]: Start difference. First operand 29062 states and 43315 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:51:31,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:51:31,672 INFO L93 Difference]: Finished difference Result 86102 states and 128099 transitions. [2022-10-16 12:51:31,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:51:31,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-10-16 12:51:31,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:51:32,155 INFO L225 Difference]: With dead ends: 86102 [2022-10-16 12:51:32,156 INFO L226 Difference]: Without dead ends: 57043 [2022-10-16 12:51:32,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:51:32,528 INFO L413 NwaCegarLoop]: 7805 mSDtfsCounter, 5247 mSDsluCounter, 5367 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5247 SdHoareTripleChecker+Valid, 13172 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 12:51:32,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5247 Valid, 13172 Invalid, 116 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 12:51:32,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57043 states. [2022-10-16 12:51:36,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57043 to 56906. [2022-10-16 12:51:36,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56906 states, 41659 states have (on average 1.4128759691783288) internal successors, (58859), 42825 states have internal predecessors, (58859), 12960 states have call successors, (12960), 2144 states have call predecessors, (12960), 2144 states have return successors, (12960), 12816 states have call predecessors, (12960), 12960 states have call successors, (12960) [2022-10-16 12:51:36,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56906 states to 56906 states and 84779 transitions. [2022-10-16 12:51:36,856 INFO L78 Accepts]: Start accepts. Automaton has 56906 states and 84779 transitions. Word has length 21 [2022-10-16 12:51:36,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:51:36,857 INFO L495 AbstractCegarLoop]: Abstraction has 56906 states and 84779 transitions. [2022-10-16 12:51:36,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:51:36,857 INFO L276 IsEmpty]: Start isEmpty. Operand 56906 states and 84779 transitions. [2022-10-16 12:51:36,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-16 12:51:36,860 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:51:36,860 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] [2022-10-16 12:51:36,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:51:36,861 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ohci_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ohci_hub_controlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ohci_hub_controlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 187 more)] === [2022-10-16 12:51:36,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:51:36,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1514536350, now seen corresponding path program 1 times [2022-10-16 12:51:36,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:51:36,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306873293] [2022-10-16 12:51:36,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:51:36,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:51:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:51:37,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:51:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:51:37,758 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 12:51:37,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:51:37,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306873293] [2022-10-16 12:51:37,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306873293] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:51:37,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:51:37,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:51:37,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645406688] [2022-10-16 12:51:37,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:51:37,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:51:37,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:51:37,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:51:37,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:51:37,769 INFO L87 Difference]: Start difference. First operand 56906 states and 84779 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:51:51,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:51:51,719 INFO L93 Difference]: Finished difference Result 190422 states and 286395 transitions. [2022-10-16 12:51:51,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:51:51,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-10-16 12:51:51,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:51:53,159 INFO L225 Difference]: With dead ends: 190422 [2022-10-16 12:51:53,160 INFO L226 Difference]: Without dead ends: 133519 [2022-10-16 12:51:53,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 12:51:53,538 INFO L413 NwaCegarLoop]: 7845 mSDtfsCounter, 7583 mSDsluCounter, 8689 mSDsCounter, 0 mSdLazyCounter, 3404 mSolverCounterSat, 2406 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8401 SdHoareTripleChecker+Valid, 16534 SdHoareTripleChecker+Invalid, 5810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2406 IncrementalHoareTripleChecker+Valid, 3404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-10-16 12:51:53,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8401 Valid, 16534 Invalid, 5810 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2406 Valid, 3404 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2022-10-16 12:51:53,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133519 states. [2022-10-16 12:52:00,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133519 to 113018. [2022-10-16 12:52:00,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113018 states, 82791 states have (on average 1.4120254617047747) internal successors, (116903), 84977 states have internal predecessors, (116903), 25824 states have call successors, (25824), 4260 states have call predecessors, (25824), 4260 states have return successors, (25824), 25536 states have call predecessors, (25824), 25824 states have call successors, (25824) [2022-10-16 12:52:01,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113018 states to 113018 states and 168551 transitions. [2022-10-16 12:52:01,985 INFO L78 Accepts]: Start accepts. Automaton has 113018 states and 168551 transitions. Word has length 20 [2022-10-16 12:52:01,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:52:01,986 INFO L495 AbstractCegarLoop]: Abstraction has 113018 states and 168551 transitions. [2022-10-16 12:52:01,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:52:01,986 INFO L276 IsEmpty]: Start isEmpty. Operand 113018 states and 168551 transitions. [2022-10-16 12:52:01,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 12:52:01,987 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:52:01,988 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:52:01,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:52:01,988 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ohci_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ohci_hub_controlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ohci_hub_controlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 187 more)] === [2022-10-16 12:52:01,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:52:01,989 INFO L85 PathProgramCache]: Analyzing trace with hash -715156221, now seen corresponding path program 1 times [2022-10-16 12:52:01,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:52:01,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800549824] [2022-10-16 12:52:01,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:52:01,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:52:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:52:02,949 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 12:52:02,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:52:02,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800549824] [2022-10-16 12:52:02,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800549824] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:52:02,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:52:02,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:52:02,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974873540] [2022-10-16 12:52:02,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:52:02,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:52:02,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:52:02,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:52:02,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:52:02,953 INFO L87 Difference]: Start difference. First operand 113018 states and 168551 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:52:12,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:52:12,715 INFO L93 Difference]: Finished difference Result 337796 states and 503439 transitions. [2022-10-16 12:52:12,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:52:12,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-10-16 12:52:12,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:52:14,890 INFO L225 Difference]: With dead ends: 337796 [2022-10-16 12:52:14,890 INFO L226 Difference]: Without dead ends: 224781 [2022-10-16 12:52:15,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:52:15,618 INFO L413 NwaCegarLoop]: 8317 mSDtfsCounter, 5406 mSDsluCounter, 5454 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5406 SdHoareTripleChecker+Valid, 13771 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:52:15,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5406 Valid, 13771 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 12:52:15,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224781 states. [2022-10-16 12:52:27,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224781 to 224642. [2022-10-16 12:52:27,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224642 states, 164395 states have (on average 1.4093555156787008) internal successors, (231691), 168625 states have internal predecessors, (231691), 51584 states have call successors, (51584), 8520 states have call predecessors, (51584), 8520 states have return successors, (51584), 51008 states have call predecessors, (51584), 51584 states have call successors, (51584) [2022-10-16 12:52:30,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224642 states to 224642 states and 334859 transitions. [2022-10-16 12:52:30,618 INFO L78 Accepts]: Start accepts. Automaton has 224642 states and 334859 transitions. Word has length 19 [2022-10-16 12:52:30,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:52:30,619 INFO L495 AbstractCegarLoop]: Abstraction has 224642 states and 334859 transitions. [2022-10-16 12:52:30,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:52:30,619 INFO L276 IsEmpty]: Start isEmpty. Operand 224642 states and 334859 transitions. [2022-10-16 12:52:30,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-16 12:52:30,622 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:52:30,622 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] [2022-10-16 12:52:30,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:52:30,623 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ohci_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ohci_hub_controlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ohci_hub_controlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 187 more)] === [2022-10-16 12:52:30,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:52:30,624 INFO L85 PathProgramCache]: Analyzing trace with hash -784032046, now seen corresponding path program 1 times [2022-10-16 12:52:30,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:52:30,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289095722] [2022-10-16 12:52:30,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:52:30,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:52:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:52:31,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 12:52:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:52:31,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:52:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:52:31,178 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 12:52:31,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:52:31,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289095722] [2022-10-16 12:52:31,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289095722] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:52:31,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:52:31,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:52:31,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590236094] [2022-10-16 12:52:31,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:52:31,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:52:31,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:52:31,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:52:31,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:52:31,181 INFO L87 Difference]: Start difference. First operand 224642 states and 334859 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)