./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fcb8e130 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1f2f4e1edf092d782bd8904ff3c98be8600de69a79369635abf74affaa77e7cb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-22 21:40:26,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 21:40:26,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 21:40:26,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 21:40:26,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 21:40:26,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 21:40:26,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 21:40:26,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 21:40:26,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 21:40:26,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 21:40:26,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 21:40:26,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 21:40:26,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 21:40:26,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 21:40:26,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 21:40:26,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 21:40:26,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 21:40:26,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 21:40:26,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 21:40:26,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 21:40:26,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 21:40:26,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 21:40:26,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 21:40:26,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 21:40:26,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 21:40:26,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 21:40:26,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 21:40:26,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 21:40:26,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 21:40:26,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 21:40:26,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 21:40:26,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 21:40:26,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 21:40:26,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 21:40:26,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 21:40:26,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 21:40:26,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 21:40:26,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 21:40:26,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 21:40:26,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 21:40:26,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 21:40:26,600 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 21:40:26,627 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 21:40:26,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 21:40:26,628 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 21:40:26,628 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 21:40:26,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 21:40:26,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 21:40:26,629 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 21:40:26,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 21:40:26,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 21:40:26,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 21:40:26,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 21:40:26,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 21:40:26,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 21:40:26,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 21:40:26,631 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 21:40:26,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 21:40:26,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 21:40:26,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 21:40:26,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 21:40:26,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 21:40:26,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 21:40:26,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 21:40:26,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 21:40:26,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 21:40:26,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 21:40:26,633 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 21:40:26,633 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 21:40:26,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 21:40:26,635 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 21:40:26,635 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f2f4e1edf092d782bd8904ff3c98be8600de69a79369635abf74affaa77e7cb [2021-11-22 21:40:26,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 21:40:26,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 21:40:26,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 21:40:26,854 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 21:40:26,855 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 21:40:26,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i [2021-11-22 21:40:26,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b97fdeea/22facdc68bcd4af79caa5184b14fe689/FLAG57a975014 [2021-11-22 21:40:27,824 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 21:40:27,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i [2021-11-22 21:40:27,886 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b97fdeea/22facdc68bcd4af79caa5184b14fe689/FLAG57a975014 [2021-11-22 21:40:27,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b97fdeea/22facdc68bcd4af79caa5184b14fe689 [2021-11-22 21:40:27,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 21:40:27,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 21:40:27,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 21:40:27,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 21:40:27,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 21:40:27,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:40:27" (1/1) ... [2021-11-22 21:40:27,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@638b1139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:27, skipping insertion in model container [2021-11-22 21:40:27,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:40:27" (1/1) ... [2021-11-22 21:40:27,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 21:40:28,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 21:40:42,551 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-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i[1057113,1057126] [2021-11-22 21:40:43,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 21:40:43,206 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 21:40:43,879 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-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i[1057113,1057126] [2021-11-22 21:40:43,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 21:40:44,464 INFO L208 MainTranslator]: Completed translation [2021-11-22 21:40:44,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:44 WrapperNode [2021-11-22 21:40:44,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 21:40:44,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 21:40:44,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 21:40:44,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 21:40:44,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:44" (1/1) ... [2021-11-22 21:40:44,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:44" (1/1) ... [2021-11-22 21:40:45,842 INFO L137 Inliner]: procedures = 1364, calls = 15139, calls flagged for inlining = 3151, calls inlined = 4165, statements flattened = 63411 [2021-11-22 21:40:45,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 21:40:45,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 21:40:45,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 21:40:45,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 21:40:45,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:44" (1/1) ... [2021-11-22 21:40:45,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:44" (1/1) ... [2021-11-22 21:40:46,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:44" (1/1) ... [2021-11-22 21:40:46,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:44" (1/1) ... [2021-11-22 21:40:46,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:44" (1/1) ... [2021-11-22 21:40:47,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:44" (1/1) ... [2021-11-22 21:40:47,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:44" (1/1) ... [2021-11-22 21:40:47,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 21:40:47,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 21:40:47,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 21:40:47,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 21:40:47,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:44" (1/1) ... [2021-11-22 21:40:47,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 21:40:47,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 21:40:47,463 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) [2021-11-22 21:40:47,521 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 [2021-11-22 21:40:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-22 21:40:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-22 21:40:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure usb_release_dev [2021-11-22 21:40:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_release_dev [2021-11-22 21:40:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_endpoint [2021-11-22 21:40:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_endpoint [2021-11-22 21:40:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async [2021-11-22 21:40:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async [2021-11-22 21:40:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_device_initiated_lpm [2021-11-22 21:40:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_device_initiated_lpm [2021-11-22 21:40:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_all_async [2021-11-22 21:40:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_all_async [2021-11-22 21:40:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure usb_runtime_resume [2021-11-22 21:40:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_runtime_resume [2021-11-22 21:40:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure hub_usb3_port_disable [2021-11-22 21:40:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_usb3_port_disable [2021-11-22 21:40:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure usb_destroy_configuration [2021-11-22 21:40:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_destroy_configuration [2021-11-22 21:40:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure hub_disconnect [2021-11-22 21:40:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_disconnect [2021-11-22 21:40:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure hub_hub_status [2021-11-22 21:40:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_hub_status [2021-11-22 21:40:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_link_state [2021-11-22 21:40:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_link_state [2021-11-22 21:40:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlocked_enable_lpm [2021-11-22 21:40:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlocked_enable_lpm [2021-11-22 21:40:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-22 21:40:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_bulk_urbs [2021-11-22 21:40:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_bulk_urbs [2021-11-22 21:40:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_logical_disconnect [2021-11-22 21:40:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_logical_disconnect [2021-11-22 21:40:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_flush_endpoint [2021-11-22 21:40:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_flush_endpoint [2021-11-22 21:40:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure get_port_status [2021-11-22 21:40:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure get_port_status [2021-11-22 21:40:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure hub_irq [2021-11-22 21:40:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_irq [2021-11-22 21:40:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_suspend [2021-11-22 21:40:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_suspend [2021-11-22 21:40:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_device_descriptor [2021-11-22 21:40:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_device_descriptor [2021-11-22 21:40:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure hub_quiesce [2021-11-22 21:40:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_quiesce [2021-11-22 21:40:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb [2021-11-22 21:40:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb [2021-11-22 21:40:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 21:40:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_complete [2021-11-22 21:40:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_complete [2021-11-22 21:40:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_connect_change [2021-11-22 21:40:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_connect_change [2021-11-22 21:40:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_queue_reset_device [2021-11-22 21:40:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_queue_reset_device [2021-11-22 21:40:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure usb_probe_interface [2021-11-22 21:40:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_probe_interface [2021-11-22 21:40:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure rh_urb_enqueue [2021-11-22 21:40:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_urb_enqueue [2021-11-22 21:40:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-11-22 21:40:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-11-22 21:40:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure clear_hub_feature [2021-11-22 21:40:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_hub_feature [2021-11-22 21:40:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-22 21:40:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-22 21:40:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend [2021-11-22 21:40:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend [2021-11-22 21:40:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 21:40:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 21:40:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_interface [2021-11-22 21:40:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_interface [2021-11-22 21:40:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 21:40:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-22 21:40:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-22 21:40:47,545 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-22 21:40:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure set_port_led [2021-11-22 21:40:47,545 INFO L138 BoogieDeclarations]: Found implementation of procedure set_port_led [2021-11-22 21:40:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-22 21:40:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-22 21:40:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure usb_runtime_suspend [2021-11-22 21:40:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_runtime_suspend [2021-11-22 21:40:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure hub_set_port_link_state [2021-11-22 21:40:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_set_port_link_state [2021-11-22 21:40:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_langid [2021-11-22 21:40:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_langid [2021-11-22 21:40:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_interface [2021-11-22 21:40:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_interface [2021-11-22 21:40:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 21:40:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 21:40:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 21:40:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_freeze [2021-11-22 21:40:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_freeze [2021-11-22 21:40:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure hub_thread [2021-11-22 21:40:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_thread [2021-11-22 21:40:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure hub_pre_reset [2021-11-22 21:40:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_pre_reset [2021-11-22 21:40:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure usb_start_wait_urb [2021-11-22 21:40:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_start_wait_urb [2021-11-22 21:40:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_reset [2021-11-22 21:40:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_reset [2021-11-22 21:40:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rebind_intf [2021-11-22 21:40:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rebind_intf [2021-11-22 21:40:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_both [2021-11-22 21:40:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_both [2021-11-22 21:40:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure hub_events [2021-11-22 21:40:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_events [2021-11-22 21:40:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_device [2021-11-22 21:40:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_device [2021-11-22 21:40:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2021-11-22 21:40:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2021-11-22 21:40:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_finish_reset [2021-11-22 21:40:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_finish_reset [2021-11-22 21:40:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 21:40:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure check_highspeed [2021-11-22 21:40:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure check_highspeed [2021-11-22 21:40:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure recursively_mark_NOTATTACHED [2021-11-22 21:40:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure recursively_mark_NOTATTACHED [2021-11-22 21:40:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 21:40:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_poweroff [2021-11-22 21:40:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_poweroff [2021-11-22 21:40:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure usb_req_set_sel [2021-11-22 21:40:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_req_set_sel [2021-11-22 21:40:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_suspend [2021-11-22 21:40:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_suspend [2021-11-22 21:40:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure usb_forced_unbind_intf [2021-11-22 21:40:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_forced_unbind_intf [2021-11-22 21:40:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep0_reinit [2021-11-22 21:40:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep0_reinit [2021-11-22 21:40:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_bos_descriptor [2021-11-22 21:40:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_bos_descriptor [2021-11-22 21:40:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 21:40:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure get_hub_descriptor [2021-11-22 21:40:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hub_descriptor [2021-11-22 21:40:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enumerate_device_otg [2021-11-22 21:40:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enumerate_device_otg [2021-11-22 21:40:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_complete [2021-11-22 21:40:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_complete [2021-11-22 21:40:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_timeout [2021-11-22 21:40:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_timeout [2021-11-22 21:40:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlocked_disable_lpm [2021-11-22 21:40:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlocked_disable_lpm [2021-11-22 21:40:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-11-22 21:40:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-11-22 21:40:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-11-22 21:40:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-11-22 21:40:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_wait_reset [2021-11-22 21:40:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_wait_reset [2021-11-22 21:40:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure usb_internal_control_msg [2021-11-22 21:40:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_internal_control_msg [2021-11-22 21:40:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure generic_suspend [2021-11-22 21:40:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_suspend [2021-11-22 21:40:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_status [2021-11-22 21:40:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_status [2021-11-22 21:40:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_no_pm_drivers_interfaces [2021-11-22 21:40:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_no_pm_drivers_interfaces [2021-11-22 21:40:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure hub_suspend [2021-11-22 21:40:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_suspend [2021-11-22 21:40:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enumerate_device [2021-11-22 21:40:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enumerate_device [2021-11-22 21:40:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure check_port_resume_type [2021-11-22 21:40:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure check_port_resume_type [2021-11-22 21:40:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_resume [2021-11-22 21:40:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_resume [2021-11-22 21:40:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure hub_configure [2021-11-22 21:40:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_configure [2021-11-22 21:40:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_resume [2021-11-22 21:40:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_resume [2021-11-22 21:40:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure generic_disconnect [2021-11-22 21:40:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_disconnect [2021-11-22 21:40:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 21:40:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure hub_clear_tt_buffer [2021-11-22 21:40:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_clear_tt_buffer [2021-11-22 21:40:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure descriptors_changed [2021-11-22 21:40:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure descriptors_changed [2021-11-22 21:40:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure hub_tt_work [2021-11-22 21:40:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_tt_work [2021-11-22 21:40:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-22 21:40:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-11-22 21:40:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-11-22 21:40:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_interface [2021-11-22 21:40:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_interface [2021-11-22 21:40:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-22 21:40:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure free_async [2021-11-22 21:40:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure free_async [2021-11-22 21:40:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure hub_handle_remote_wakeup [2021-11-22 21:40:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_handle_remote_wakeup [2021-11-22 21:40:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-22 21:40:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure hub_reset_resume [2021-11-22 21:40:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_reset_resume [2021-11-22 21:40:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure usb_release_interface [2021-11-22 21:40:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_release_interface [2021-11-22 21:40:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_device [2021-11-22 21:40:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_device [2021-11-22 21:40:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure clear_port_feature [2021-11-22 21:40:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_port_feature [2021-11-22 21:40:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cache_string [2021-11-22 21:40:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cache_string [2021-11-22 21:40:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure generic_probe [2021-11-22 21:40:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_probe [2021-11-22 21:40:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure led_work [2021-11-22 21:40:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure led_work [2021-11-22 21:40:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unbind_interface [2021-11-22 21:40:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unbind_interface [2021-11-22 21:40:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rh_urb_dequeue [2021-11-22 21:40:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rh_urb_dequeue [2021-11-22 21:40:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-22 21:40:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-22 21:40:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async_on_interface [2021-11-22 21:40:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async_on_interface [2021-11-22 21:40:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure async_completed [2021-11-22 21:40:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure async_completed [2021-11-22 21:40:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure usb_create_sysfs_intf_files [2021-11-22 21:40:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_create_sysfs_intf_files [2021-11-22 21:40:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume [2021-11-22 21:40:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume [2021-11-22 21:40:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure driver_set_config_work [2021-11-22 21:40:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_set_config_work [2021-11-22 21:40:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure usbdev_release [2021-11-22 21:40:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure usbdev_release [2021-11-22 21:40:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_dev [2021-11-22 21:40:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_dev [2021-11-22 21:40:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure hub_init_func2 [2021-11-22 21:40:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_init_func2 [2021-11-22 21:40:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure hub_init_func3 [2021-11-22 21:40:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_init_func3 [2021-11-22 21:40:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-22 21:40:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-22 21:40:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-22 21:40:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-22 21:40:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_both [2021-11-22 21:40:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_both [2021-11-22 21:40:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure hub_probe [2021-11-22 21:40:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_probe [2021-11-22 21:40:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure hub_resume [2021-11-22 21:40:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_resume [2021-11-22 21:40:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure hub_post_reset [2021-11-22 21:40:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_post_reset [2021-11-22 21:40:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_link_state [2021-11-22 21:40:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_link_state [2021-11-22 21:40:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure usb_open [2021-11-22 21:40:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_open [2021-11-22 21:40:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_thaw [2021-11-22 21:40:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_thaw [2021-11-22 21:40:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_init [2021-11-22 21:40:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_init [2021-11-22 21:40:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-22 21:40:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-22 21:40:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-22 21:40:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure rh_call_control [2021-11-22 21:40:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_call_control [2021-11-22 21:40:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 21:40:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_configuration [2021-11-22 21:40:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_configuration [2021-11-22 21:40:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_configuration [2021-11-22 21:40:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_configuration [2021-11-22 21:40:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-22 21:40:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-22 21:40:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure releaseintf [2021-11-22 21:40:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure releaseintf [2021-11-22 21:40:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_ltm [2021-11-22 21:40:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_ltm [2021-11-22 21:40:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure hub_power_on [2021-11-22 21:40:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_power_on [2021-11-22 21:40:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_and_verify_device [2021-11-22 21:40:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_and_verify_device [2021-11-22 21:40:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_string [2021-11-22 21:40:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_string [2021-11-22 21:40:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_debounce [2021-11-22 21:40:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_debounce [2021-11-22 21:40:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_bus_resume [2021-11-22 21:40:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_bus_resume [2021-11-22 21:40:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unbind_device [2021-11-22 21:40:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unbind_device [2021-11-22 21:40:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_alloc_bandwidth [2021-11-22 21:40:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_alloc_bandwidth [2021-11-22 21:40:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2021-11-22 21:40:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2021-11-22 21:40:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_ltm [2021-11-22 21:40:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_ltm [2021-11-22 21:40:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure generic_resume [2021-11-22 21:40:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_resume [2021-11-22 21:40:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_submit_urb [2021-11-22 21:40:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_submit_urb [2021-11-22 21:40:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-11-22 21:40:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-11-22 21:40:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure usb_probe_device [2021-11-22 21:40:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_probe_device [2021-11-22 21:40:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_lpm [2021-11-22 21:40:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_lpm [2021-11-22 21:40:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 21:40:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure driver_disconnect [2021-11-22 21:40:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_disconnect [2021-11-22 21:40:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_disable [2021-11-22 21:40:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_disable [2021-11-22 21:40:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-11-22 21:40:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-11-22 21:40:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-11-22 21:40:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-11-22 21:40:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string_sub [2021-11-22 21:40:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string_sub [2021-11-22 21:40:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_lpm [2021-11-22 21:40:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_lpm [2021-11-22 21:40:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_restore [2021-11-22 21:40:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_restore [2021-11-22 21:40:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_bus_suspend [2021-11-22 21:40:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_bus_suspend [2021-11-22 21:40:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2021-11-22 21:40:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2021-11-22 21:40:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_device [2021-11-22 21:40:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_device [2021-11-22 21:40:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure sg_complete [2021-11-22 21:40:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_complete [2021-11-22 21:40:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure usb_new_device [2021-11-22 21:40:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_new_device [2021-11-22 21:40:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2021-11-22 21:40:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2021-11-22 21:40:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disconnect [2021-11-22 21:40:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disconnect [2021-11-22 21:40:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure hub_activate [2021-11-22 21:40:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_activate [2021-11-22 21:40:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_no_reset_resume_drivers_interfaces [2021-11-22 21:40:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_no_reset_resume_drivers_interfaces [2021-11-22 21:40:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure finish_port_resume [2021-11-22 21:40:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_port_resume [2021-11-22 21:40:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure hub_set_address [2021-11-22 21:40:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_set_address [2021-11-22 21:40:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-22 21:40:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-22 21:40:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure get_hub_status [2021-11-22 21:40:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hub_status [2021-11-22 21:40:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 21:40:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure set_port_feature [2021-11-22 21:40:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure set_port_feature [2021-11-22 21:40:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_unanchor_urb [2021-11-22 21:40:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_unanchor_urb [2021-11-22 21:40:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2021-11-22 21:40:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2021-11-22 21:40:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure do_rebind_interfaces [2021-11-22 21:40:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure do_rebind_interfaces [2021-11-22 21:40:50,200 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 21:40:50,203 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 21:44:42,364 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 21:44:42,409 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 21:44:42,409 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 21:44:42,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:44:42 BoogieIcfgContainer [2021-11-22 21:44:42,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 21:44:42,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 21:44:42,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 21:44:42,418 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 21:44:42,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:40:27" (1/3) ... [2021-11-22 21:44:42,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac2b81a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:44:42, skipping insertion in model container [2021-11-22 21:44:42,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:40:44" (2/3) ... [2021-11-22 21:44:42,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac2b81a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:44:42, skipping insertion in model container [2021-11-22 21:44:42,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:44:42" (3/3) ... [2021-11-22 21:44:42,420 INFO L111 eAbstractionObserver]: Analyzing ICFG main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i [2021-11-22 21:44:42,423 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 21:44:42,423 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 117 error locations. [2021-11-22 21:44:42,478 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 21:44:42,482 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 21:44:42,483 INFO L340 AbstractCegarLoop]: Starting to check reachability of 117 error locations. [2021-11-22 21:44:42,599 INFO L276 IsEmpty]: Start isEmpty. Operand has 11184 states, 10485 states have (on average 1.4004768717215068) internal successors, (14684), 10672 states have internal predecessors, (14684), 423 states have call successors, (423), 158 states have call predecessors, (423), 158 states have return successors, (423), 408 states have call predecessors, (423), 423 states have call successors, (423) [2021-11-22 21:44:42,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 21:44:42,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:44:42,602 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:44:42,602 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [hub_handle_remote_wakeupErr0ASSERT_VIOLATIONERROR_FUNCTION, hub_handle_remote_wakeupErr1ASSERT_VIOLATIONERROR_FUNCTION, hub_port_connect_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (and 114 more)] === [2021-11-22 21:44:42,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:44:42,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1640998895, now seen corresponding path program 1 times [2021-11-22 21:44:42,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:44:42,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375469928] [2021-11-22 21:44:42,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:44:42,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:44:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:44:43,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:44:43,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:44:43,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375469928] [2021-11-22 21:44:43,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375469928] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:44:43,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:44:43,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:44:43,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597179281] [2021-11-22 21:44:43,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:44:43,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:44:43,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:44:43,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:44:43,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:44:43,570 INFO L87 Difference]: Start difference. First operand has 11184 states, 10485 states have (on average 1.4004768717215068) internal successors, (14684), 10672 states have internal predecessors, (14684), 423 states have call successors, (423), 158 states have call predecessors, (423), 158 states have return successors, (423), 408 states have call predecessors, (423), 423 states have call successors, (423) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-11-22 21:44:45,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:44:46,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:44:46,723 INFO L93 Difference]: Finished difference Result 32829 states and 46897 transitions. [2021-11-22 21:44:46,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:44:46,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2021-11-22 21:44:46,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:44:46,864 INFO L225 Difference]: With dead ends: 32829 [2021-11-22 21:44:46,864 INFO L226 Difference]: Without dead ends: 21582 [2021-11-22 21:44:46,981 INFO L932 BasicCegarLoop]: 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 [2021-11-22 21:44:46,984 INFO L933 BasicCegarLoop]: 20273 mSDtfsCounter, 15454 mSDsluCounter, 14580 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15454 SdHoareTripleChecker+Valid, 34853 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-22 21:44:46,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15454 Valid, 34853 Invalid, 97 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [38 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-22 21:44:47,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21582 states. [2021-11-22 21:44:47,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21582 to 21382. [2021-11-22 21:44:47,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21382 states, 20134 states have (on average 1.3836296811363862) internal successors, (27858), 20380 states have internal predecessors, (27858), 818 states have call successors, (818), 313 states have call predecessors, (818), 314 states have return successors, (1193), 795 states have call predecessors, (1193), 818 states have call successors, (1193) [2021-11-22 21:44:47,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21382 states to 21382 states and 29869 transitions. [2021-11-22 21:44:47,614 INFO L78 Accepts]: Start accepts. Automaton has 21382 states and 29869 transitions. Word has length 8 [2021-11-22 21:44:47,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:44:47,614 INFO L470 AbstractCegarLoop]: Abstraction has 21382 states and 29869 transitions. [2021-11-22 21:44:47,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-11-22 21:44:47,615 INFO L276 IsEmpty]: Start isEmpty. Operand 21382 states and 29869 transitions. [2021-11-22 21:44:47,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 21:44:47,616 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:44:47,616 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:44:47,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 21:44:47,616 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [hub_handle_remote_wakeupErr0ASSERT_VIOLATIONERROR_FUNCTION, hub_handle_remote_wakeupErr1ASSERT_VIOLATIONERROR_FUNCTION, hub_port_connect_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (and 114 more)] === [2021-11-22 21:44:47,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:44:47,617 INFO L85 PathProgramCache]: Analyzing trace with hash 668673917, now seen corresponding path program 1 times [2021-11-22 21:44:47,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:44:47,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278672566] [2021-11-22 21:44:47,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:44:47,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:44:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:44:48,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:44:48,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:44:48,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278672566] [2021-11-22 21:44:48,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278672566] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:44:48,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:44:48,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:44:48,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742556678] [2021-11-22 21:44:48,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:44:48,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:44:48,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:44:48,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:44:48,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:44:48,198 INFO L87 Difference]: Start difference. First operand 21382 states and 29869 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-11-22 21:44:50,397 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:44:50,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:44:50,950 INFO L93 Difference]: Finished difference Result 21382 states and 29869 transitions. [2021-11-22 21:44:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:44:50,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2021-11-22 21:44:50,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:44:51,111 INFO L225 Difference]: With dead ends: 21382 [2021-11-22 21:44:51,127 INFO L226 Difference]: Without dead ends: 21380 [2021-11-22 21:44:51,163 INFO L932 BasicCegarLoop]: 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 [2021-11-22 21:44:51,164 INFO L933 BasicCegarLoop]: 15114 mSDtfsCounter, 15108 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15108 SdHoareTripleChecker+Valid, 15114 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-22 21:44:51,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15108 Valid, 15114 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 21:44:51,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21380 states. [2021-11-22 21:44:51,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21380 to 21380. [2021-11-22 21:44:51,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21380 states, 20133 states have (on average 1.3835990662097055) internal successors, (27856), 20378 states have internal predecessors, (27856), 818 states have call successors, (818), 313 states have call predecessors, (818), 314 states have return successors, (1193), 795 states have call predecessors, (1193), 818 states have call successors, (1193) [2021-11-22 21:44:51,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21380 states to 21380 states and 29867 transitions. [2021-11-22 21:44:51,785 INFO L78 Accepts]: Start accepts. Automaton has 21380 states and 29867 transitions. Word has length 9 [2021-11-22 21:44:51,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:44:51,786 INFO L470 AbstractCegarLoop]: Abstraction has 21380 states and 29867 transitions. [2021-11-22 21:44:51,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-11-22 21:44:51,786 INFO L276 IsEmpty]: Start isEmpty. Operand 21380 states and 29867 transitions. [2021-11-22 21:44:51,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 21:44:51,787 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:44:51,787 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:44:51,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 21:44:51,787 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [hub_handle_remote_wakeupErr0ASSERT_VIOLATIONERROR_FUNCTION, hub_handle_remote_wakeupErr1ASSERT_VIOLATIONERROR_FUNCTION, hub_port_connect_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (and 114 more)] === [2021-11-22 21:44:51,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:44:51,788 INFO L85 PathProgramCache]: Analyzing trace with hash -745912932, now seen corresponding path program 1 times [2021-11-22 21:44:51,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:44:51,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918062543] [2021-11-22 21:44:51,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:44:51,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:44:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:44:52,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:44:52,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:44:52,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918062543] [2021-11-22 21:44:52,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918062543] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:44:52,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:44:52,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:44:52,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138772817] [2021-11-22 21:44:52,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:44:52,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:44:52,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:44:52,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:44:52,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:44:52,429 INFO L87 Difference]: Start difference. First operand 21380 states and 29867 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-11-22 21:44:54,649 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:44:55,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:44:55,282 INFO L93 Difference]: Finished difference Result 21380 states and 29867 transitions. [2021-11-22 21:44:55,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:44:55,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2021-11-22 21:44:55,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:44:55,355 INFO L225 Difference]: With dead ends: 21380 [2021-11-22 21:44:55,356 INFO L226 Difference]: Without dead ends: 21378 [2021-11-22 21:44:55,370 INFO L932 BasicCegarLoop]: 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 [2021-11-22 21:44:55,372 INFO L933 BasicCegarLoop]: 15112 mSDtfsCounter, 15105 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15105 SdHoareTripleChecker+Valid, 15112 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-22 21:44:55,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15105 Valid, 15112 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 21:44:55,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21378 states. [2021-11-22 21:44:55,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21378 to 21378. [2021-11-22 21:44:55,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21378 states, 20132 states have (on average 1.3835684482416053) internal successors, (27854), 20376 states have internal predecessors, (27854), 818 states have call successors, (818), 313 states have call predecessors, (818), 314 states have return successors, (1193), 795 states have call predecessors, (1193), 818 states have call successors, (1193) [2021-11-22 21:44:55,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21378 states to 21378 states and 29865 transitions. [2021-11-22 21:44:55,913 INFO L78 Accepts]: Start accepts. Automaton has 21378 states and 29865 transitions. Word has length 10 [2021-11-22 21:44:55,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:44:55,914 INFO L470 AbstractCegarLoop]: Abstraction has 21378 states and 29865 transitions. [2021-11-22 21:44:55,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-11-22 21:44:55,914 INFO L276 IsEmpty]: Start isEmpty. Operand 21378 states and 29865 transitions. [2021-11-22 21:44:55,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 21:44:55,915 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:44:55,915 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:44:55,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 21:44:55,916 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [hub_handle_remote_wakeupErr0ASSERT_VIOLATIONERROR_FUNCTION, hub_handle_remote_wakeupErr1ASSERT_VIOLATIONERROR_FUNCTION, hub_port_connect_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (and 114 more)] === [2021-11-22 21:44:55,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:44:55,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1648432280, now seen corresponding path program 1 times [2021-11-22 21:44:55,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:44:55,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038516459] [2021-11-22 21:44:55,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:44:55,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:44:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:44:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:44:56,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:44:56,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038516459] [2021-11-22 21:44:56,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038516459] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:44:56,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:44:56,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:44:56,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406926712] [2021-11-22 21:44:56,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:44:56,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:44:56,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:44:56,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:44:56,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:44:56,458 INFO L87 Difference]: Start difference. First operand 21378 states and 29865 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-11-22 21:44:58,370 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:44:58,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:44:58,695 INFO L93 Difference]: Finished difference Result 21378 states and 29865 transitions. [2021-11-22 21:44:58,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:44:58,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2021-11-22 21:44:58,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:44:58,767 INFO L225 Difference]: With dead ends: 21378 [2021-11-22 21:44:58,768 INFO L226 Difference]: Without dead ends: 21376 [2021-11-22 21:44:58,783 INFO L932 BasicCegarLoop]: 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 [2021-11-22 21:44:58,785 INFO L933 BasicCegarLoop]: 15110 mSDtfsCounter, 15102 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15102 SdHoareTripleChecker+Valid, 15110 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-22 21:44:58,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15102 Valid, 15110 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-22 21:44:58,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21376 states. [2021-11-22 21:44:59,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21376 to 21376. [2021-11-22 21:44:59,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21376 states, 20131 states have (on average 1.3835378272316328) internal successors, (27852), 20374 states have internal predecessors, (27852), 818 states have call successors, (818), 313 states have call predecessors, (818), 314 states have return successors, (1193), 795 states have call predecessors, (1193), 818 states have call successors, (1193) [2021-11-22 21:44:59,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21376 states to 21376 states and 29863 transitions. [2021-11-22 21:44:59,270 INFO L78 Accepts]: Start accepts. Automaton has 21376 states and 29863 transitions. Word has length 11 [2021-11-22 21:44:59,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:44:59,270 INFO L470 AbstractCegarLoop]: Abstraction has 21376 states and 29863 transitions. [2021-11-22 21:44:59,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-11-22 21:44:59,270 INFO L276 IsEmpty]: Start isEmpty. Operand 21376 states and 29863 transitions. [2021-11-22 21:44:59,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 21:44:59,271 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:44:59,271 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:44:59,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 21:44:59,272 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [hub_handle_remote_wakeupErr0ASSERT_VIOLATIONERROR_FUNCTION, hub_handle_remote_wakeupErr1ASSERT_VIOLATIONERROR_FUNCTION, hub_port_connect_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (and 114 more)] === [2021-11-22 21:44:59,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:44:59,273 INFO L85 PathProgramCache]: Analyzing trace with hash 438239015, now seen corresponding path program 1 times [2021-11-22 21:44:59,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:44:59,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909360409] [2021-11-22 21:44:59,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:44:59,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:44:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:44:59,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:44:59,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:44:59,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909360409] [2021-11-22 21:44:59,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909360409] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:44:59,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:44:59,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:44:59,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722571237] [2021-11-22 21:44:59,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:44:59,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:44:59,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:44:59,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:44:59,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:44:59,711 INFO L87 Difference]: Start difference. First operand 21376 states and 29863 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-11-22 21:45:01,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:45:01,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:45:01,665 INFO L93 Difference]: Finished difference Result 21376 states and 29863 transitions. [2021-11-22 21:45:01,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:45:01,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2021-11-22 21:45:01,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:45:01,728 INFO L225 Difference]: With dead ends: 21376 [2021-11-22 21:45:01,728 INFO L226 Difference]: Without dead ends: 21374 [2021-11-22 21:45:01,741 INFO L932 BasicCegarLoop]: 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 [2021-11-22 21:45:01,742 INFO L933 BasicCegarLoop]: 15108 mSDtfsCounter, 15099 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15099 SdHoareTripleChecker+Valid, 15108 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-22 21:45:01,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15099 Valid, 15108 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-22 21:45:01,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21374 states. [2021-11-22 21:45:02,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21374 to 21374. [2021-11-22 21:45:02,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21374 states, 20130 states have (on average 1.3835072031793343) internal successors, (27850), 20372 states have internal predecessors, (27850), 818 states have call successors, (818), 313 states have call predecessors, (818), 314 states have return successors, (1193), 795 states have call predecessors, (1193), 818 states have call successors, (1193) [2021-11-22 21:45:02,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21374 states to 21374 states and 29861 transitions. [2021-11-22 21:45:02,212 INFO L78 Accepts]: Start accepts. Automaton has 21374 states and 29861 transitions. Word has length 12 [2021-11-22 21:45:02,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:45:02,212 INFO L470 AbstractCegarLoop]: Abstraction has 21374 states and 29861 transitions. [2021-11-22 21:45:02,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-11-22 21:45:02,213 INFO L276 IsEmpty]: Start isEmpty. Operand 21374 states and 29861 transitions. [2021-11-22 21:45:02,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 21:45:02,215 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:45:02,216 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:45:02,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 21:45:02,216 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [hub_handle_remote_wakeupErr0ASSERT_VIOLATIONERROR_FUNCTION, hub_handle_remote_wakeupErr1ASSERT_VIOLATIONERROR_FUNCTION, hub_port_connect_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (and 114 more)] === [2021-11-22 21:45:02,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:45:02,217 INFO L85 PathProgramCache]: Analyzing trace with hash 700539731, now seen corresponding path program 1 times [2021-11-22 21:45:02,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:45:02,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563644709] [2021-11-22 21:45:02,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:45:02,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:45:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:45:02,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:45:02,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:45:02,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563644709] [2021-11-22 21:45:02,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563644709] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:45:02,644 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:45:02,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:45:02,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860997721] [2021-11-22 21:45:02,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:45:02,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:45:02,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:45:02,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:45:02,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:45:02,645 INFO L87 Difference]: Start difference. First operand 21374 states and 29861 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-11-22 21:45:04,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:45:05,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:45:05,250 INFO L93 Difference]: Finished difference Result 21374 states and 29861 transitions. [2021-11-22 21:45:05,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:45:05,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2021-11-22 21:45:05,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:45:05,311 INFO L225 Difference]: With dead ends: 21374 [2021-11-22 21:45:05,311 INFO L226 Difference]: Without dead ends: 21372 [2021-11-22 21:45:05,323 INFO L932 BasicCegarLoop]: 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 [2021-11-22 21:45:05,324 INFO L933 BasicCegarLoop]: 15106 mSDtfsCounter, 15096 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15096 SdHoareTripleChecker+Valid, 15106 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-22 21:45:05,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15096 Valid, 15106 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 21:45:05,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21372 states. [2021-11-22 21:45:05,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21372 to 21372. [2021-11-22 21:45:05,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21372 states, 20129 states have (on average 1.3834765760842564) internal successors, (27848), 20370 states have internal predecessors, (27848), 818 states have call successors, (818), 313 states have call predecessors, (818), 314 states have return successors, (1193), 795 states have call predecessors, (1193), 818 states have call successors, (1193) [2021-11-22 21:45:05,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21372 states to 21372 states and 29859 transitions. [2021-11-22 21:45:05,782 INFO L78 Accepts]: Start accepts. Automaton has 21372 states and 29859 transitions. Word has length 13 [2021-11-22 21:45:05,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:45:05,783 INFO L470 AbstractCegarLoop]: Abstraction has 21372 states and 29859 transitions. [2021-11-22 21:45:05,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-11-22 21:45:05,783 INFO L276 IsEmpty]: Start isEmpty. Operand 21372 states and 29859 transitions. [2021-11-22 21:45:05,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 21:45:05,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:45:05,786 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:45:05,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 21:45:05,786 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [hub_handle_remote_wakeupErr0ASSERT_VIOLATIONERROR_FUNCTION, hub_handle_remote_wakeupErr1ASSERT_VIOLATIONERROR_FUNCTION, hub_port_connect_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (and 114 more)] === [2021-11-22 21:45:05,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:45:05,787 INFO L85 PathProgramCache]: Analyzing trace with hash 241927346, now seen corresponding path program 1 times [2021-11-22 21:45:05,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:45:05,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501123685] [2021-11-22 21:45:05,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:45:05,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:45:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:45:06,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:45:06,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:45:06,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501123685] [2021-11-22 21:45:06,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501123685] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:45:06,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:45:06,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:45:06,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626700575] [2021-11-22 21:45:06,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:45:06,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:45:06,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:45:06,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:45:06,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:45:06,213 INFO L87 Difference]: Start difference. First operand 21372 states and 29859 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-11-22 21:45:08,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:45:09,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:45:09,537 INFO L93 Difference]: Finished difference Result 62527 states and 92151 transitions. [2021-11-22 21:45:09,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:45:09,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2021-11-22 21:45:09,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:45:09,701 INFO L225 Difference]: With dead ends: 62527 [2021-11-22 21:45:09,702 INFO L226 Difference]: Without dead ends: 41158 [2021-11-22 21:45:09,823 INFO L932 BasicCegarLoop]: 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 [2021-11-22 21:45:09,824 INFO L933 BasicCegarLoop]: 21058 mSDtfsCounter, 14780 mSDsluCounter, 14944 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 122 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14780 SdHoareTripleChecker+Valid, 36002 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-22 21:45:09,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14780 Valid, 36002 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 200 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-22 21:45:09,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41158 states. [2021-11-22 21:45:11,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41158 to 41003. [2021-11-22 21:45:11,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41003 states, 38642 states have (on average 1.390352466228456) internal successors, (53726), 39018 states have internal predecessors, (53726), 1626 states have call successors, (1626), 626 states have call predecessors, (1626), 624 states have return successors, (4507), 1570 states have call predecessors, (4507), 1626 states have call successors, (4507) [2021-11-22 21:45:11,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41003 states to 41003 states and 59859 transitions. [2021-11-22 21:45:11,248 INFO L78 Accepts]: Start accepts. Automaton has 41003 states and 59859 transitions. Word has length 14 [2021-11-22 21:45:11,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:45:11,248 INFO L470 AbstractCegarLoop]: Abstraction has 41003 states and 59859 transitions. [2021-11-22 21:45:11,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-11-22 21:45:11,249 INFO L276 IsEmpty]: Start isEmpty. Operand 41003 states and 59859 transitions. [2021-11-22 21:45:11,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 21:45:11,249 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:45:11,249 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:45:11,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 21:45:11,250 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [hub_handle_remote_wakeupErr0ASSERT_VIOLATIONERROR_FUNCTION, hub_handle_remote_wakeupErr1ASSERT_VIOLATIONERROR_FUNCTION, hub_port_connect_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (and 114 more)] === [2021-11-22 21:45:11,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:45:11,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1090154690, now seen corresponding path program 1 times [2021-11-22 21:45:11,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:45:11,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629542222] [2021-11-22 21:45:11,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:45:11,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:45:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:45:11,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:45:11,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:45:11,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629542222] [2021-11-22 21:45:11,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629542222] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:45:11,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:45:11,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:45:11,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557952703] [2021-11-22 21:45:11,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:45:11,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:45:11,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:45:11,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:45:11,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:45:11,694 INFO L87 Difference]: Start difference. First operand 41003 states and 59859 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-11-22 21:45:13,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:45:16,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:45:16,141 INFO L93 Difference]: Finished difference Result 116761 states and 180928 transitions. [2021-11-22 21:45:16,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:45:16,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2021-11-22 21:45:16,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:45:16,605 INFO L225 Difference]: With dead ends: 116761 [2021-11-22 21:45:16,605 INFO L226 Difference]: Without dead ends: 75761 [2021-11-22 21:45:16,834 INFO L932 BasicCegarLoop]: 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 [2021-11-22 21:45:16,835 INFO L933 BasicCegarLoop]: 20692 mSDtfsCounter, 15383 mSDsluCounter, 12736 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15383 SdHoareTripleChecker+Valid, 33428 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-22 21:45:16,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15383 Valid, 33428 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 21:45:16,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75761 states. [2021-11-22 21:45:18,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75761 to 75440. [2021-11-22 21:45:19,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75440 states, 71228 states have (on average 1.3870949626551357) internal successors, (98800), 71875 states have internal predecessors, (98800), 2920 states have call successors, (2920), 1194 states have call predecessors, (2920), 1182 states have return successors, (11372), 2772 states have call predecessors, (11372), 2920 states have call successors, (11372) [2021-11-22 21:45:19,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75440 states to 75440 states and 113092 transitions. [2021-11-22 21:45:19,547 INFO L78 Accepts]: Start accepts. Automaton has 75440 states and 113092 transitions. Word has length 15 [2021-11-22 21:45:19,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:45:19,548 INFO L470 AbstractCegarLoop]: Abstraction has 75440 states and 113092 transitions. [2021-11-22 21:45:19,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-11-22 21:45:19,548 INFO L276 IsEmpty]: Start isEmpty. Operand 75440 states and 113092 transitions. [2021-11-22 21:45:19,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 21:45:19,548 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:45:19,549 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:45:19,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 21:45:19,549 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [hub_handle_remote_wakeupErr0ASSERT_VIOLATIONERROR_FUNCTION, hub_handle_remote_wakeupErr1ASSERT_VIOLATIONERROR_FUNCTION, hub_port_connect_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (and 114 more)] === [2021-11-22 21:45:19,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:45:19,549 INFO L85 PathProgramCache]: Analyzing trace with hash 564975165, now seen corresponding path program 1 times [2021-11-22 21:45:19,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:45:19,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103760142] [2021-11-22 21:45:19,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:45:19,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:45:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:45:20,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:45:20,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:45:20,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103760142] [2021-11-22 21:45:20,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103760142] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:45:20,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:45:20,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:45:20,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496644492] [2021-11-22 21:45:20,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:45:20,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:45:20,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:45:20,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:45:20,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:45:20,084 INFO L87 Difference]: Start difference. First operand 75440 states and 113092 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-11-22 21:45:22,263 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 21:45:27,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:45:27,815 INFO L93 Difference]: Finished difference Result 223090 states and 366901 transitions. [2021-11-22 21:45:27,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:45:27,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 16 [2021-11-22 21:45:27,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:45:28,828 INFO L225 Difference]: With dead ends: 223090 [2021-11-22 21:45:28,828 INFO L226 Difference]: Without dead ends: 147653 [2021-11-22 21:45:29,726 INFO L932 BasicCegarLoop]: 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 [2021-11-22 21:45:29,727 INFO L933 BasicCegarLoop]: 16481 mSDtfsCounter, 15450 mSDsluCounter, 13885 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15450 SdHoareTripleChecker+Valid, 30366 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-22 21:45:29,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15450 Valid, 30366 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 21:45:29,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147653 states. [2021-11-22 21:45:34,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147653 to 147311. [2021-11-22 21:45:34,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147311 states, 139116 states have (on average 1.3857212685816154) internal successors, (192776), 140309 states have internal predecessors, (192776), 5752 states have call successors, (5752), 2366 states have call predecessors, (5752), 2334 states have return successors, (33236), 5429 states have call predecessors, (33236), 5752 states have call successors, (33236) [2021-11-22 21:45:36,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147311 states to 147311 states and 231764 transitions. [2021-11-22 21:45:36,083 INFO L78 Accepts]: Start accepts. Automaton has 147311 states and 231764 transitions. Word has length 16 [2021-11-22 21:45:36,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:45:36,087 INFO L470 AbstractCegarLoop]: Abstraction has 147311 states and 231764 transitions. [2021-11-22 21:45:36,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-11-22 21:45:36,087 INFO L276 IsEmpty]: Start isEmpty. Operand 147311 states and 231764 transitions. [2021-11-22 21:45:36,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 21:45:36,088 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:45:36,088 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:45:36,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 21:45:36,088 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [hub_handle_remote_wakeupErr0ASSERT_VIOLATIONERROR_FUNCTION, hub_handle_remote_wakeupErr1ASSERT_VIOLATIONERROR_FUNCTION, hub_port_connect_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (and 114 more)] === [2021-11-22 21:45:36,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:45:36,089 INFO L85 PathProgramCache]: Analyzing trace with hash 334393129, now seen corresponding path program 1 times [2021-11-22 21:45:36,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:45:36,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210457336] [2021-11-22 21:45:36,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:45:36,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms