./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--core--usbcore.ko-ldv_main13.cil.out.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-consumption/linux-3.8-rc1-32_7a-drivers--usb--core--usbcore.ko-ldv_main13.cil.out.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 95faaf1e35b42fbda708c8e0f82dd4ba523e3633241f340442cd02819aee0ccd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-22 22:46:48,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 22:46:48,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 22:46:48,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 22:46:48,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 22:46:48,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 22:46:48,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 22:46:48,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 22:46:48,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 22:46:48,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 22:46:48,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 22:46:48,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 22:46:48,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 22:46:48,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 22:46:48,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 22:46:48,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 22:46:48,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 22:46:48,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 22:46:48,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 22:46:48,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 22:46:48,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 22:46:48,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 22:46:48,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 22:46:48,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 22:46:48,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 22:46:48,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 22:46:48,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 22:46:48,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 22:46:48,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 22:46:48,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 22:46:48,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 22:46:48,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 22:46:48,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 22:46:48,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 22:46:48,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 22:46:48,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 22:46:48,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 22:46:48,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 22:46:48,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 22:46:48,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 22:46:48,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 22:46:48,394 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 22:46:48,425 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 22:46:48,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 22:46:48,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 22:46:48,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 22:46:48,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 22:46:48,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 22:46:48,427 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 22:46:48,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 22:46:48,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 22:46:48,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 22:46:48,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 22:46:48,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 22:46:48,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 22:46:48,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 22:46:48,429 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 22:46:48,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 22:46:48,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 22:46:48,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 22:46:48,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 22:46:48,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 22:46:48,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 22:46:48,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 22:46:48,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 22:46:48,430 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 22:46:48,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 22:46:48,431 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 22:46:48,431 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 22:46:48,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 22:46:48,431 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 22:46:48,431 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95faaf1e35b42fbda708c8e0f82dd4ba523e3633241f340442cd02819aee0ccd [2021-11-22 22:46:48,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 22:46:48,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 22:46:48,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 22:46:48,664 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 22:46:48,665 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 22:46:48,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--core--usbcore.ko-ldv_main13.cil.out.i [2021-11-22 22:46:48,719 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80e4a04e2/307cd26e20f2453490e89d93fef5f857/FLAGf506ffcd4 [2021-11-22 22:46:49,589 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 22:46:49,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--core--usbcore.ko-ldv_main13.cil.out.i [2021-11-22 22:46:49,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80e4a04e2/307cd26e20f2453490e89d93fef5f857/FLAGf506ffcd4 [2021-11-22 22:46:49,998 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80e4a04e2/307cd26e20f2453490e89d93fef5f857 [2021-11-22 22:46:50,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 22:46:50,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 22:46:50,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 22:46:50,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 22:46:50,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 22:46:50,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:46:49" (1/1) ... [2021-11-22 22:46:50,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66dffa0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:46:50, skipping insertion in model container [2021-11-22 22:46:50,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:46:49" (1/1) ... [2021-11-22 22:46:50,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 22:46:50,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 22:47:04,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--core--usbcore.ko-ldv_main13.cil.out.i[1050041,1050054] [2021-11-22 22:47:04,486 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-22 22:47:04,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 22:47:04,584 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 22:47:05,496 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--core--usbcore.ko-ldv_main13.cil.out.i[1050041,1050054] [2021-11-22 22:47:05,511 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-22 22:47:05,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 22:47:06,091 INFO L208 MainTranslator]: Completed translation [2021-11-22 22:47:06,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:47:06 WrapperNode [2021-11-22 22:47:06,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 22:47:06,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 22:47:06,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 22:47:06,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 22:47:06,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:47:06" (1/1) ... [2021-11-22 22:47:06,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:47:06" (1/1) ... [2021-11-22 22:47:07,505 INFO L137 Inliner]: procedures = 1271, calls = 15175, calls flagged for inlining = 3015, calls inlined = 4038, statements flattened = 63040 [2021-11-22 22:47:07,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 22:47:07,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 22:47:07,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 22:47:07,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 22:47:07,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:47:06" (1/1) ... [2021-11-22 22:47:07,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:47:06" (1/1) ... [2021-11-22 22:47:07,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:47:06" (1/1) ... [2021-11-22 22:47:07,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:47:06" (1/1) ... [2021-11-22 22:47:08,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:47:06" (1/1) ... [2021-11-22 22:47:08,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:47:06" (1/1) ... [2021-11-22 22:47:08,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:47:06" (1/1) ... [2021-11-22 22:47:08,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 22:47:08,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 22:47:08,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 22:47:08,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 22:47:08,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:47:06" (1/1) ... [2021-11-22 22:47:08,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 22:47:08,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 22:47:08,958 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 22:47:08,965 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 22:47:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-22 22:47:08,987 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-22 22:47:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_release_dev [2021-11-22 22:47:08,987 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_release_dev [2021-11-22 22:47:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_endpoint [2021-11-22 22:47:08,987 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_endpoint [2021-11-22 22:47:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async [2021-11-22 22:47:08,988 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async [2021-11-22 22:47:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_device_initiated_lpm [2021-11-22 22:47:08,988 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_device_initiated_lpm [2021-11-22 22:47:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_all_async [2021-11-22 22:47:08,988 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_all_async [2021-11-22 22:47:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure usb_runtime_resume [2021-11-22 22:47:08,988 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_runtime_resume [2021-11-22 22:47:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure hub_usb3_port_disable [2021-11-22 22:47:08,989 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_usb3_port_disable [2021-11-22 22:47:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure usb_destroy_configuration [2021-11-22 22:47:08,989 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_destroy_configuration [2021-11-22 22:47:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure hub_disconnect [2021-11-22 22:47:08,989 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_disconnect [2021-11-22 22:47:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure hub_hub_status [2021-11-22 22:47:08,989 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_hub_status [2021-11-22 22:47:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_link_state [2021-11-22 22:47:08,989 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_link_state [2021-11-22 22:47:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlocked_enable_lpm [2021-11-22 22:47:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlocked_enable_lpm [2021-11-22 22:47:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-22 22:47:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-22 22:47:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_bulk_urbs [2021-11-22 22:47:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_bulk_urbs [2021-11-22 22:47:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_logical_disconnect [2021-11-22 22:47:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_logical_disconnect [2021-11-22 22:47:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_flush_endpoint [2021-11-22 22:47:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_flush_endpoint [2021-11-22 22:47:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure get_port_status [2021-11-22 22:47:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure get_port_status [2021-11-22 22:47:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure hub_irq [2021-11-22 22:47:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_irq [2021-11-22 22:47:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_suspend [2021-11-22 22:47:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_suspend [2021-11-22 22:47:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_device_descriptor [2021-11-22 22:47:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_device_descriptor [2021-11-22 22:47:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure hub_quiesce [2021-11-22 22:47:08,992 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_quiesce [2021-11-22 22:47:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb [2021-11-22 22:47:08,992 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb [2021-11-22 22:47:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_runtime_resume [2021-11-22 22:47:08,993 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_runtime_resume [2021-11-22 22:47:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 22:47:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_complete [2021-11-22 22:47:08,993 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_complete [2021-11-22 22:47:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_connect_change [2021-11-22 22:47:08,993 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_connect_change [2021-11-22 22:47:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_queue_reset_device [2021-11-22 22:47:08,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_queue_reset_device [2021-11-22 22:47:08,994 INFO L130 BoogieDeclarations]: Found specification of procedure usb_probe_interface [2021-11-22 22:47:08,994 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_probe_interface [2021-11-22 22:47:08,994 INFO L130 BoogieDeclarations]: Found specification of procedure rh_urb_enqueue [2021-11-22 22:47:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_urb_enqueue [2021-11-22 22:47:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-11-22 22:47:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-11-22 22:47:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure clear_hub_feature [2021-11-22 22:47:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_hub_feature [2021-11-22 22:47:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-22 22:47:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-22 22:47:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend [2021-11-22 22:47:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend [2021-11-22 22:47:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 22:47:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 22:47:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_interface [2021-11-22 22:47:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_interface [2021-11-22 22:47:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 22:47:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-22 22:47:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-22 22:47:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-22 22:47:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure set_port_led [2021-11-22 22:47:09,002 INFO L138 BoogieDeclarations]: Found implementation of procedure set_port_led [2021-11-22 22:47:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-22 22:47:09,002 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-22 22:47:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure usb_runtime_suspend [2021-11-22 22:47:09,002 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_runtime_suspend [2021-11-22 22:47:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure hub_set_port_link_state [2021-11-22 22:47:09,002 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_set_port_link_state [2021-11-22 22:47:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_langid [2021-11-22 22:47:09,002 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_langid [2021-11-22 22:47:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_interface [2021-11-22 22:47:09,003 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_interface [2021-11-22 22:47:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 22:47:09,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 22:47:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 22:47:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_freeze [2021-11-22 22:47:09,004 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_freeze [2021-11-22 22:47:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure hub_thread [2021-11-22 22:47:09,004 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_thread [2021-11-22 22:47:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure hub_pre_reset [2021-11-22 22:47:09,004 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_pre_reset [2021-11-22 22:47:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure usb_start_wait_urb [2021-11-22 22:47:09,005 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_start_wait_urb [2021-11-22 22:47:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_reset [2021-11-22 22:47:09,005 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_reset [2021-11-22 22:47:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rebind_intf [2021-11-22 22:47:09,005 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rebind_intf [2021-11-22 22:47:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_both [2021-11-22 22:47:09,006 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_both [2021-11-22 22:47:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure hub_events [2021-11-22 22:47:09,006 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_events [2021-11-22 22:47:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_debounce_be_connected [2021-11-22 22:47:09,006 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_debounce_be_connected [2021-11-22 22:47:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_device [2021-11-22 22:47:09,006 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_device [2021-11-22 22:47:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_port_feature [2021-11-22 22:47:09,006 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_port_feature [2021-11-22 22:47:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2021-11-22 22:47:09,007 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2021-11-22 22:47:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_finish_reset [2021-11-22 22:47:09,007 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_finish_reset [2021-11-22 22:47:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 22:47:09,008 INFO L130 BoogieDeclarations]: Found specification of procedure check_highspeed [2021-11-22 22:47:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure check_highspeed [2021-11-22 22:47:09,010 INFO L130 BoogieDeclarations]: Found specification of procedure recursively_mark_NOTATTACHED [2021-11-22 22:47:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure recursively_mark_NOTATTACHED [2021-11-22 22:47:09,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 22:47:09,010 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_debounce_be_stable [2021-11-22 22:47:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_debounce_be_stable [2021-11-22 22:47:09,011 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_poweroff [2021-11-22 22:47:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_poweroff [2021-11-22 22:47:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure usb_req_set_sel [2021-11-22 22:47:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_req_set_sel [2021-11-22 22:47:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_suspend [2021-11-22 22:47:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_suspend [2021-11-22 22:47:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure usb_forced_unbind_intf [2021-11-22 22:47:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_forced_unbind_intf [2021-11-22 22:47:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_pre_add [2021-11-22 22:47:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_pre_add [2021-11-22 22:47:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep0_reinit [2021-11-22 22:47:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep0_reinit [2021-11-22 22:47:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_bos_descriptor [2021-11-22 22:47:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_bos_descriptor [2021-11-22 22:47:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 22:47:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure get_hub_descriptor [2021-11-22 22:47:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hub_descriptor [2021-11-22 22:47:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_complete [2021-11-22 22:47:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_complete [2021-11-22 22:47:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_timeout [2021-11-22 22:47:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_timeout [2021-11-22 22:47:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlocked_disable_lpm [2021-11-22 22:47:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlocked_disable_lpm [2021-11-22 22:47:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-11-22 22:47:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-11-22 22:47:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-11-22 22:47:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-11-22 22:47:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_wait_reset [2021-11-22 22:47:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_wait_reset [2021-11-22 22:47:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure usb_internal_control_msg [2021-11-22 22:47:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_internal_control_msg [2021-11-22 22:47:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure generic_suspend [2021-11-22 22:47:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_suspend [2021-11-22 22:47:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_status [2021-11-22 22:47:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_status [2021-11-22 22:47:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_no_pm_drivers_interfaces [2021-11-22 22:47:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_no_pm_drivers_interfaces [2021-11-22 22:47:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure hub_suspend [2021-11-22 22:47:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_suspend [2021-11-22 22:47:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enumerate_device [2021-11-22 22:47:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enumerate_device [2021-11-22 22:47:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure check_port_resume_type [2021-11-22 22:47:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure check_port_resume_type [2021-11-22 22:47:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_resume [2021-11-22 22:47:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_resume [2021-11-22 22:47:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure hub_configure [2021-11-22 22:47:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_configure [2021-11-22 22:47:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_resume [2021-11-22 22:47:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_resume [2021-11-22 22:47:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure pm_generic_runtime_idle [2021-11-22 22:47:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure for_each_companion [2021-11-22 22:47:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure for_each_companion [2021-11-22 22:47:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure generic_disconnect [2021-11-22 22:47:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_disconnect [2021-11-22 22:47:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 22:47:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure hub_clear_tt_buffer [2021-11-22 22:47:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_clear_tt_buffer [2021-11-22 22:47:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure descriptors_changed [2021-11-22 22:47:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure descriptors_changed [2021-11-22 22:47:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure hub_tt_work [2021-11-22 22:47:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_tt_work [2021-11-22 22:47:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-22 22:47:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-11-22 22:47:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-11-22 22:47:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_interface [2021-11-22 22:47:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_interface [2021-11-22 22:47:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-22 22:47:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure free_async [2021-11-22 22:47:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure free_async [2021-11-22 22:47:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure check_ports_changed [2021-11-22 22:47:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure check_ports_changed [2021-11-22 22:47:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure hub_handle_remote_wakeup [2021-11-22 22:47:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_handle_remote_wakeup [2021-11-22 22:47:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-22 22:47:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure hub_reset_resume [2021-11-22 22:47:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_reset_resume [2021-11-22 22:47:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure usb_release_interface [2021-11-22 22:47:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_release_interface [2021-11-22 22:47:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_device [2021-11-22 22:47:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_device [2021-11-22 22:47:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cache_string [2021-11-22 22:47:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cache_string [2021-11-22 22:47:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_restore [2021-11-22 22:47:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_restore [2021-11-22 22:47:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure generic_probe [2021-11-22 22:47:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_probe [2021-11-22 22:47:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure led_work [2021-11-22 22:47:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure led_work [2021-11-22 22:47:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unbind_interface [2021-11-22 22:47:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unbind_interface [2021-11-22 22:47:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rh_urb_dequeue [2021-11-22 22:47:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rh_urb_dequeue [2021-11-22 22:47:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-22 22:47:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-22 22:47:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async_on_interface [2021-11-22 22:47:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async_on_interface [2021-11-22 22:47:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_post_add [2021-11-22 22:47:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_post_add [2021-11-22 22:47:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure async_completed [2021-11-22 22:47:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure async_completed [2021-11-22 22:47:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_set_port_power [2021-11-22 22:47:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_set_port_power [2021-11-22 22:47:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure usb_create_sysfs_intf_files [2021-11-22 22:47:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_create_sysfs_intf_files [2021-11-22 22:47:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_runtime_resume [2021-11-22 22:47:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_runtime_resume [2021-11-22 22:47:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume [2021-11-22 22:47:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume [2021-11-22 22:47:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure driver_set_config_work [2021-11-22 22:47:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_set_config_work [2021-11-22 22:47:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure usbdev_release [2021-11-22 22:47:09,027 INFO L138 BoogieDeclarations]: Found implementation of procedure usbdev_release [2021-11-22 22:47:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_dev [2021-11-22 22:47:09,027 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_dev [2021-11-22 22:47:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure hub_init_func2 [2021-11-22 22:47:09,027 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_init_func2 [2021-11-22 22:47:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure hub_init_func3 [2021-11-22 22:47:09,028 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_init_func3 [2021-11-22 22:47:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-22 22:47:09,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-22 22:47:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-22 22:47:09,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-22 22:47:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_both [2021-11-22 22:47:09,031 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_both [2021-11-22 22:47:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure hub_probe [2021-11-22 22:47:09,031 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_probe [2021-11-22 22:47:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure hub_resume [2021-11-22 22:47:09,031 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_resume [2021-11-22 22:47:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure hub_post_reset [2021-11-22 22:47:09,032 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_post_reset [2021-11-22 22:47:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_link_state [2021-11-22 22:47:09,033 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_link_state [2021-11-22 22:47:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_open [2021-11-22 22:47:09,033 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_open [2021-11-22 22:47:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_function_remotewakeup [2021-11-22 22:47:09,033 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_function_remotewakeup [2021-11-22 22:47:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_thaw [2021-11-22 22:47:09,033 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_thaw [2021-11-22 22:47:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_init [2021-11-22 22:47:09,033 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_init [2021-11-22 22:47:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-22 22:47:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-22 22:47:09,034 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-22 22:47:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure rh_call_control [2021-11-22 22:47:09,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_call_control [2021-11-22 22:47:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 22:47:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_configuration [2021-11-22 22:47:09,034 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_configuration [2021-11-22 22:47:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_configuration [2021-11-22 22:47:09,034 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_configuration [2021-11-22 22:47:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-22 22:47:09,034 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-22 22:47:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure releaseintf [2021-11-22 22:47:09,035 INFO L138 BoogieDeclarations]: Found implementation of procedure releaseintf [2021-11-22 22:47:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_ltm [2021-11-22 22:47:09,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_ltm [2021-11-22 22:47:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure hub_power_on [2021-11-22 22:47:09,035 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_power_on [2021-11-22 22:47:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_runtime_suspend [2021-11-22 22:47:09,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_runtime_suspend [2021-11-22 22:47:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_and_verify_device [2021-11-22 22:47:09,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_and_verify_device [2021-11-22 22:47:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_string [2021-11-22 22:47:09,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_string [2021-11-22 22:47:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_debounce [2021-11-22 22:47:09,036 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_debounce [2021-11-22 22:47:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_bus_resume [2021-11-22 22:47:09,036 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_bus_resume [2021-11-22 22:47:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_resume [2021-11-22 22:47:09,036 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_resume [2021-11-22 22:47:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unbind_device [2021-11-22 22:47:09,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unbind_device [2021-11-22 22:47:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_alloc_bandwidth [2021-11-22 22:47:09,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_alloc_bandwidth [2021-11-22 22:47:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2021-11-22 22:47:09,037 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2021-11-22 22:47:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_ltm [2021-11-22 22:47:09,037 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_ltm [2021-11-22 22:47:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure generic_resume [2021-11-22 22:47:09,037 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_resume [2021-11-22 22:47:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_submit_urb [2021-11-22 22:47:09,037 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_submit_urb [2021-11-22 22:47:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-11-22 22:47:09,037 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-11-22 22:47:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-22 22:47:09,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-22 22:47:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure usb_probe_device [2021-11-22 22:47:09,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_probe_device [2021-11-22 22:47:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_lpm [2021-11-22 22:47:09,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_lpm [2021-11-22 22:47:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 22:47:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure driver_disconnect [2021-11-22 22:47:09,038 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_disconnect [2021-11-22 22:47:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_disable [2021-11-22 22:47:09,038 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_disable [2021-11-22 22:47:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-11-22 22:47:09,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-11-22 22:47:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-11-22 22:47:09,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-11-22 22:47:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string_sub [2021-11-22 22:47:09,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string_sub [2021-11-22 22:47:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_lpm [2021-11-22 22:47:09,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_lpm [2021-11-22 22:47:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_restore [2021-11-22 22:47:09,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_restore [2021-11-22 22:47:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_bus_suspend [2021-11-22 22:47:09,039 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_bus_suspend [2021-11-22 22:47:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2021-11-22 22:47:09,040 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2021-11-22 22:47:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_device [2021-11-22 22:47:09,040 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_device [2021-11-22 22:47:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure sg_complete [2021-11-22 22:47:09,040 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_complete [2021-11-22 22:47:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure resume_common [2021-11-22 22:47:09,040 INFO L138 BoogieDeclarations]: Found implementation of procedure resume_common [2021-11-22 22:47:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure usb_new_device [2021-11-22 22:47:09,040 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_new_device [2021-11-22 22:47:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2021-11-22 22:47:09,041 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2021-11-22 22:47:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disconnect [2021-11-22 22:47:09,041 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disconnect [2021-11-22 22:47:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure hub_activate [2021-11-22 22:47:09,041 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_activate [2021-11-22 22:47:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_no_reset_resume_drivers_interfaces [2021-11-22 22:47:09,041 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_no_reset_resume_drivers_interfaces [2021-11-22 22:47:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure finish_port_resume [2021-11-22 22:47:09,041 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_port_resume [2021-11-22 22:47:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure hub_set_address [2021-11-22 22:47:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_set_address [2021-11-22 22:47:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-22 22:47:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-22 22:47:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure get_hub_status [2021-11-22 22:47:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hub_status [2021-11-22 22:47:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 22:47:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure set_port_feature [2021-11-22 22:47:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure set_port_feature [2021-11-22 22:47:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_unanchor_urb [2021-11-22 22:47:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_unanchor_urb [2021-11-22 22:47:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2021-11-22 22:47:09,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2021-11-22 22:47:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure do_rebind_interfaces [2021-11-22 22:47:09,043 INFO L138 BoogieDeclarations]: Found implementation of procedure do_rebind_interfaces [2021-11-22 22:47:11,745 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 22:47:11,762 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 22:50:54,723 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 22:50:54,762 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 22:50:54,762 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 22:50:54,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:50:54 BoogieIcfgContainer [2021-11-22 22:50:54,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 22:50:54,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 22:50:54,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 22:50:54,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 22:50:54,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:46:49" (1/3) ... [2021-11-22 22:50:54,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b71aae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:50:54, skipping insertion in model container [2021-11-22 22:50:54,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:47:06" (2/3) ... [2021-11-22 22:50:54,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b71aae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:50:54, skipping insertion in model container [2021-11-22 22:50:54,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:50:54" (3/3) ... [2021-11-22 22:50:54,776 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--usb--core--usbcore.ko-ldv_main13.cil.out.i [2021-11-22 22:50:54,780 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 22:50:54,780 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 118 error locations. [2021-11-22 22:50:54,839 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 22:50:54,844 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 22:50:54,845 INFO L340 AbstractCegarLoop]: Starting to check reachability of 118 error locations. [2021-11-22 22:50:54,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 11163 states, 10433 states have (on average 1.402377072749928) internal successors, (14631), 10616 states have internal predecessors, (14631), 439 states have call successors, (439), 172 states have call predecessors, (439), 172 states have return successors, (439), 423 states have call predecessors, (439), 439 states have call successors, (439) [2021-11-22 22:50:54,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 22:50:54,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:50:54,958 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:50:54,958 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [hub_port_statusErr0ASSERT_VIOLATIONERROR_FUNCTION, hub_port_statusErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_set_configurationErr0ASSERT_VIOLATIONERROR_FUNCTION (and 115 more)] === [2021-11-22 22:50:54,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:50:54,962 INFO L85 PathProgramCache]: Analyzing trace with hash -487749527, now seen corresponding path program 1 times [2021-11-22 22:50:54,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:50:54,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577441929] [2021-11-22 22:50:54,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:50:54,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:50:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:50:56,080 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 22:50:56,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:50:56,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577441929] [2021-11-22 22:50:56,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577441929] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:50:56,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:50:56,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 22:50:56,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373327645] [2021-11-22 22:50:56,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:50:56,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:50:56,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:50:56,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:50:56,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:50:56,126 INFO L87 Difference]: Start difference. First operand has 11163 states, 10433 states have (on average 1.402377072749928) internal successors, (14631), 10616 states have internal predecessors, (14631), 439 states have call successors, (439), 172 states have call predecessors, (439), 172 states have return successors, (439), 423 states have call predecessors, (439), 439 states have call successors, (439) 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 22:50:58,369 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 22:50:59,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:50:59,450 INFO L93 Difference]: Finished difference Result 32825 states and 46982 transitions. [2021-11-22 22:50:59,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:50:59,452 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 22:50:59,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:50:59,598 INFO L225 Difference]: With dead ends: 32825 [2021-11-22 22:50:59,598 INFO L226 Difference]: Without dead ends: 21599 [2021-11-22 22:50:59,715 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 22:50:59,719 INFO L933 BasicCegarLoop]: 19663 mSDtfsCounter, 15461 mSDsluCounter, 14644 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15461 SdHoareTripleChecker+Valid, 34307 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-22 22:50:59,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15461 Valid, 34307 Invalid, 97 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [38 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-22 22:50:59,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21599 states. [2021-11-22 22:51:00,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21599 to 21391. [2021-11-22 22:51:00,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21391 states, 20079 states have (on average 1.3859255939040789) internal successors, (27828), 20316 states have internal predecessors, (27828), 853 states have call successors, (853), 341 states have call predecessors, (853), 342 states have return successors, (1255), 828 states have call predecessors, (1255), 853 states have call successors, (1255) [2021-11-22 22:51:00,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21391 states to 21391 states and 29936 transitions. [2021-11-22 22:51:00,376 INFO L78 Accepts]: Start accepts. Automaton has 21391 states and 29936 transitions. Word has length 8 [2021-11-22 22:51:00,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:51:00,377 INFO L470 AbstractCegarLoop]: Abstraction has 21391 states and 29936 transitions. [2021-11-22 22:51:00,378 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 22:51:00,379 INFO L276 IsEmpty]: Start isEmpty. Operand 21391 states and 29936 transitions. [2021-11-22 22:51:00,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 22:51:00,379 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:51:00,379 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:51:00,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 22:51:00,380 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [hub_port_statusErr0ASSERT_VIOLATIONERROR_FUNCTION, hub_port_statusErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_set_configurationErr0ASSERT_VIOLATIONERROR_FUNCTION (and 115 more)] === [2021-11-22 22:51:00,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:51:00,382 INFO L85 PathProgramCache]: Analyzing trace with hash 2059665867, now seen corresponding path program 1 times [2021-11-22 22:51:00,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:51:00,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607628147] [2021-11-22 22:51:00,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:51:00,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:51:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:51:01,073 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 22:51:01,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:51:01,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607628147] [2021-11-22 22:51:01,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607628147] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:51:01,075 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:51:01,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 22:51:01,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903934561] [2021-11-22 22:51:01,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:51:01,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:51:01,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:51:01,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:51:01,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:51:01,077 INFO L87 Difference]: Start difference. First operand 21391 states and 29936 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 22:51:03,301 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 22:51:03,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:51:03,734 INFO L93 Difference]: Finished difference Result 21391 states and 29936 transitions. [2021-11-22 22:51:03,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:51:03,735 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 22:51:03,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:51:03,807 INFO L225 Difference]: With dead ends: 21391 [2021-11-22 22:51:03,807 INFO L226 Difference]: Without dead ends: 21389 [2021-11-22 22:51:03,821 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 22:51:03,822 INFO L933 BasicCegarLoop]: 15094 mSDtfsCounter, 15088 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15088 SdHoareTripleChecker+Valid, 15094 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 22:51:03,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15088 Valid, 15094 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 22:51:03,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21389 states. [2021-11-22 22:51:04,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21389 to 21389. [2021-11-22 22:51:04,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21389 states, 20078 states have (on average 1.385895009463094) internal successors, (27826), 20314 states have internal predecessors, (27826), 853 states have call successors, (853), 341 states have call predecessors, (853), 342 states have return successors, (1255), 828 states have call predecessors, (1255), 853 states have call successors, (1255) [2021-11-22 22:51:04,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21389 states to 21389 states and 29934 transitions. [2021-11-22 22:51:04,336 INFO L78 Accepts]: Start accepts. Automaton has 21389 states and 29934 transitions. Word has length 9 [2021-11-22 22:51:04,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:51:04,336 INFO L470 AbstractCegarLoop]: Abstraction has 21389 states and 29934 transitions. [2021-11-22 22:51:04,337 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 22:51:04,337 INFO L276 IsEmpty]: Start isEmpty. Operand 21389 states and 29934 transitions. [2021-11-22 22:51:04,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 22:51:04,337 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:51:04,337 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:51:04,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 22:51:04,338 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [hub_port_statusErr0ASSERT_VIOLATIONERROR_FUNCTION, hub_port_statusErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_set_configurationErr0ASSERT_VIOLATIONERROR_FUNCTION (and 115 more)] === [2021-11-22 22:51:04,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:51:04,338 INFO L85 PathProgramCache]: Analyzing trace with hash -574835532, now seen corresponding path program 1 times [2021-11-22 22:51:04,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:51:04,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428757444] [2021-11-22 22:51:04,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:51:04,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:51:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:51:04,888 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 22:51:04,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:51:04,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428757444] [2021-11-22 22:51:04,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428757444] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:51:04,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:51:04,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 22:51:04,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561342397] [2021-11-22 22:51:04,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:51:04,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:51:04,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:51:04,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:51:04,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:51:04,892 INFO L87 Difference]: Start difference. First operand 21389 states and 29934 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 22:51:07,092 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 22:51:07,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:51:07,459 INFO L93 Difference]: Finished difference Result 21389 states and 29934 transitions. [2021-11-22 22:51:07,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:51:07,460 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 22:51:07,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:51:07,529 INFO L225 Difference]: With dead ends: 21389 [2021-11-22 22:51:07,530 INFO L226 Difference]: Without dead ends: 21387 [2021-11-22 22:51:07,550 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 22:51:07,552 INFO L933 BasicCegarLoop]: 15092 mSDtfsCounter, 15085 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15085 SdHoareTripleChecker+Valid, 15092 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 22:51:07,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15085 Valid, 15092 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 22:51:07,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21387 states. [2021-11-22 22:51:07,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21387 to 21387. [2021-11-22 22:51:08,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21387 states, 20077 states have (on average 1.3858644219753948) internal successors, (27824), 20312 states have internal predecessors, (27824), 853 states have call successors, (853), 341 states have call predecessors, (853), 342 states have return successors, (1255), 828 states have call predecessors, (1255), 853 states have call successors, (1255) [2021-11-22 22:51:08,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21387 states to 21387 states and 29932 transitions. [2021-11-22 22:51:08,118 INFO L78 Accepts]: Start accepts. Automaton has 21387 states and 29932 transitions. Word has length 10 [2021-11-22 22:51:08,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:51:08,118 INFO L470 AbstractCegarLoop]: Abstraction has 21387 states and 29932 transitions. [2021-11-22 22:51:08,118 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 22:51:08,118 INFO L276 IsEmpty]: Start isEmpty. Operand 21387 states and 29932 transitions. [2021-11-22 22:51:08,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 22:51:08,119 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:51:08,119 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:51:08,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 22:51:08,119 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [hub_port_statusErr0ASSERT_VIOLATIONERROR_FUNCTION, hub_port_statusErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_set_configurationErr0ASSERT_VIOLATIONERROR_FUNCTION (and 115 more)] === [2021-11-22 22:51:08,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:51:08,120 INFO L85 PathProgramCache]: Analyzing trace with hash -640000266, now seen corresponding path program 1 times [2021-11-22 22:51:08,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:51:08,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351536391] [2021-11-22 22:51:08,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:51:08,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:51:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:51:08,699 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 22:51:08,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:51:08,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351536391] [2021-11-22 22:51:08,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351536391] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:51:08,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:51:08,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 22:51:08,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812695743] [2021-11-22 22:51:08,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:51:08,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:51:08,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:51:08,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:51:08,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:51:08,705 INFO L87 Difference]: Start difference. First operand 21387 states and 29932 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 22:51:10,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 22:51:12,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:51:12,549 INFO L93 Difference]: Finished difference Result 62523 states and 92602 transitions. [2021-11-22 22:51:12,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:51:12,553 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 22:51:12,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:51:12,733 INFO L225 Difference]: With dead ends: 62523 [2021-11-22 22:51:12,734 INFO L226 Difference]: Without dead ends: 41139 [2021-11-22 22:51:12,861 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 22:51:12,863 INFO L933 BasicCegarLoop]: 18303 mSDtfsCounter, 14800 mSDsluCounter, 14931 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 130 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14800 SdHoareTripleChecker+Valid, 33234 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-22 22:51:12,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14800 Valid, 33234 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 212 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2021-11-22 22:51:12,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41139 states. [2021-11-22 22:51:13,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41139 to 40957. [2021-11-22 22:51:13,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40957 states, 38470 states have (on average 1.3931894983103716) internal successors, (53596), 38829 states have internal predecessors, (53596), 1692 states have call successors, (1692), 682 states have call predecessors, (1692), 680 states have return successors, (4767), 1633 states have call predecessors, (4767), 1692 states have call successors, (4767) [2021-11-22 22:51:14,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40957 states to 40957 states and 60055 transitions. [2021-11-22 22:51:14,064 INFO L78 Accepts]: Start accepts. Automaton has 40957 states and 60055 transitions. Word has length 11 [2021-11-22 22:51:14,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:51:14,064 INFO L470 AbstractCegarLoop]: Abstraction has 40957 states and 60055 transitions. [2021-11-22 22:51:14,065 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 22:51:14,065 INFO L276 IsEmpty]: Start isEmpty. Operand 40957 states and 60055 transitions. [2021-11-22 22:51:14,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 22:51:14,066 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:51:14,066 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:51:14,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 22:51:14,067 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [hub_port_statusErr0ASSERT_VIOLATIONERROR_FUNCTION, hub_port_statusErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_set_configurationErr0ASSERT_VIOLATIONERROR_FUNCTION (and 115 more)] === [2021-11-22 22:51:14,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:51:14,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1634860287, now seen corresponding path program 1 times [2021-11-22 22:51:14,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:51:14,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197209513] [2021-11-22 22:51:14,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:51:14,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:51:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:51:14,556 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 22:51:14,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:51:14,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197209513] [2021-11-22 22:51:14,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197209513] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:51:14,557 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:51:14,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 22:51:14,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567671089] [2021-11-22 22:51:14,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:51:14,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:51:14,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:51:14,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:51:14,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:51:14,559 INFO L87 Difference]: Start difference. First operand 40957 states and 60055 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 22:51:16,757 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 22:51:18,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:51:18,893 INFO L93 Difference]: Finished difference Result 116529 states and 182328 transitions. [2021-11-22 22:51:18,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:51:18,893 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 22:51:18,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:51:19,318 INFO L225 Difference]: With dead ends: 116529 [2021-11-22 22:51:19,319 INFO L226 Difference]: Without dead ends: 75575 [2021-11-22 22:51:20,256 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 22:51:20,257 INFO L933 BasicCegarLoop]: 16103 mSDtfsCounter, 15403 mSDsluCounter, 12738 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15403 SdHoareTripleChecker+Valid, 28841 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 22:51:20,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15403 Valid, 28841 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 22:51:20,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75575 states. [2021-11-22 22:51:22,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75575 to 75223. [2021-11-22 22:51:22,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75223 states, 70739 states have (on average 1.3912410410099096) internal successors, (98415), 71366 states have internal predecessors, (98415), 3076 states have call successors, (3076), 1310 states have call predecessors, (3076), 1294 states have return successors, (12198), 2900 states have call predecessors, (12198), 3076 states have call successors, (12198) [2021-11-22 22:51:22,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75223 states to 75223 states and 113689 transitions. [2021-11-22 22:51:22,962 INFO L78 Accepts]: Start accepts. Automaton has 75223 states and 113689 transitions. Word has length 12 [2021-11-22 22:51:22,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:51:22,962 INFO L470 AbstractCegarLoop]: Abstraction has 75223 states and 113689 transitions. [2021-11-22 22:51:22,963 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 22:51:22,963 INFO L276 IsEmpty]: Start isEmpty. Operand 75223 states and 113689 transitions. [2021-11-22 22:51:22,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 22:51:22,963 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:51:22,964 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:51:22,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 22:51:22,964 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting generic_disconnectErr0ASSERT_VIOLATIONERROR_FUNCTION === [hub_port_statusErr0ASSERT_VIOLATIONERROR_FUNCTION, hub_port_statusErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_set_configurationErr0ASSERT_VIOLATIONERROR_FUNCTION (and 115 more)] === [2021-11-22 22:51:22,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:51:22,964 INFO L85 PathProgramCache]: Analyzing trace with hash -833711578, now seen corresponding path program 1 times [2021-11-22 22:51:22,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:51:22,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550904040] [2021-11-22 22:51:22,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:51:22,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:51:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:51:23,543 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 22:51:23,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:51:23,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550904040] [2021-11-22 22:51:23,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550904040] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:51:23,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:51:23,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 22:51:23,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187257777] [2021-11-22 22:51:23,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:51:23,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:51:23,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:51:23,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:51:23,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:51:23,546 INFO L87 Difference]: Start difference. First operand 75223 states and 113689 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:51:26,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:51:26,687 INFO L93 Difference]: Finished difference Result 150477 states and 227433 transitions. [2021-11-22 22:51:26,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:51:26,688 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 22:51:26,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:51:27,023 INFO L225 Difference]: With dead ends: 150477 [2021-11-22 22:51:27,023 INFO L226 Difference]: Without dead ends: 75257 [2021-11-22 22:51:27,524 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 22:51:27,527 INFO L933 BasicCegarLoop]: 15088 mSDtfsCounter, 36 mSDsluCounter, 15060 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 30148 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 22:51:27,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 30148 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 22:51:27,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75257 states. [2021-11-22 22:51:29,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75257 to 75257. [2021-11-22 22:51:29,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75257 states, 70769 states have (on average 1.3912447540589807) internal successors, (98457), 71396 states have internal predecessors, (98457), 3080 states have call successors, (3080), 1310 states have call predecessors, (3080), 1294 states have return successors, (12206), 2904 states have call predecessors, (12206), 3080 states have call successors, (12206) [2021-11-22 22:51:30,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75257 states to 75257 states and 113743 transitions. [2021-11-22 22:51:30,131 INFO L78 Accepts]: Start accepts. Automaton has 75257 states and 113743 transitions. Word has length 14 [2021-11-22 22:51:30,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:51:30,132 INFO L470 AbstractCegarLoop]: Abstraction has 75257 states and 113743 transitions. [2021-11-22 22:51:30,132 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:51:30,132 INFO L276 IsEmpty]: Start isEmpty. Operand 75257 states and 113743 transitions. [2021-11-22 22:51:30,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 22:51:30,133 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:51:30,133 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:51:30,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 22:51:30,133 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [hub_port_statusErr0ASSERT_VIOLATIONERROR_FUNCTION, hub_port_statusErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_set_configurationErr0ASSERT_VIOLATIONERROR_FUNCTION (and 115 more)] === [2021-11-22 22:51:30,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:51:30,134 INFO L85 PathProgramCache]: Analyzing trace with hash -858906591, now seen corresponding path program 1 times [2021-11-22 22:51:30,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:51:30,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904101601] [2021-11-22 22:51:30,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:51:30,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:51:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:51:30,861 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 22:51:30,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:51:30,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904101601] [2021-11-22 22:51:30,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904101601] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:51:30,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:51:30,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 22:51:30,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722588223] [2021-11-22 22:51:30,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:51:30,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:51:30,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:51:30,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:51:30,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:51:30,864 INFO L87 Difference]: Start difference. First operand 75257 states and 113743 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 22:51:33,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 22:51:38,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:51:38,374 INFO L93 Difference]: Finished difference Result 222709 states and 371684 transitions. [2021-11-22 22:51:38,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:51:38,375 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 22:51:38,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:51:39,282 INFO L225 Difference]: With dead ends: 222709 [2021-11-22 22:51:39,282 INFO L226 Difference]: Without dead ends: 147455 [2021-11-22 22:51:40,296 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 22:51:40,297 INFO L933 BasicCegarLoop]: 16627 mSDtfsCounter, 15469 mSDsluCounter, 13999 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15469 SdHoareTripleChecker+Valid, 30626 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 22:51:40,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15469 Valid, 30626 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 22:51:40,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147455 states. [2021-11-22 22:51:44,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147455 to 147080. [2021-11-22 22:51:44,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147080 states, 138319 states have (on average 1.3904886530411584) internal successors, (192331), 139470 states have internal predecessors, (192331), 6086 states have call successors, (6086), 2602 states have call predecessors, (6086), 2562 states have return successors, (35790), 5705 states have call predecessors, (35790), 6086 states have call successors, (35790)