./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-usb-core-usbcore.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4d014703 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-usb-core-usbcore.ko.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 6ab970527647e5ab08d4f5c3b11266fdb86c463377e2221a4694f62e2454c23c --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-02 14:23:09,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 14:23:09,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 14:23:09,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 14:23:09,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 14:23:09,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 14:23:09,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 14:23:09,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 14:23:09,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 14:23:09,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 14:23:09,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 14:23:09,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 14:23:09,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 14:23:09,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 14:23:09,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 14:23:09,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 14:23:09,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 14:23:09,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 14:23:09,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 14:23:09,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 14:23:09,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 14:23:09,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 14:23:09,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 14:23:09,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 14:23:09,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 14:23:09,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 14:23:09,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 14:23:09,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 14:23:09,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 14:23:09,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 14:23:09,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 14:23:09,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 14:23:09,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 14:23:09,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 14:23:09,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 14:23:09,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 14:23:09,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 14:23:09,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 14:23:09,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 14:23:09,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 14:23:09,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 14:23:09,424 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 14:23:09,437 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 14:23:09,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 14:23:09,438 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 14:23:09,438 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 14:23:09,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 14:23:09,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 14:23:09,439 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 14:23:09,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 14:23:09,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 14:23:09,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 14:23:09,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 14:23:09,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 14:23:09,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 14:23:09,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 14:23:09,440 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 14:23:09,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 14:23:09,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 14:23:09,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 14:23:09,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 14:23:09,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 14:23:09,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 14:23:09,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 14:23:09,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 14:23:09,442 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 14:23:09,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 14:23:09,442 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 14:23:09,442 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 14:23:09,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 14:23:09,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 14:23:09,443 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ab970527647e5ab08d4f5c3b11266fdb86c463377e2221a4694f62e2454c23c [2021-11-02 14:23:09,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 14:23:09,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 14:23:09,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 14:23:09,648 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 14:23:09,650 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 14:23:09,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-usb-core-usbcore.ko.cil.out.i [2021-11-02 14:23:09,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a49e532d/416cfe2f5f3d49b1bc178774773bb163/FLAGb7078e7a8 [2021-11-02 14:23:10,591 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 14:23:10,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-usb-core-usbcore.ko.cil.out.i [2021-11-02 14:23:10,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a49e532d/416cfe2f5f3d49b1bc178774773bb163/FLAGb7078e7a8 [2021-11-02 14:23:10,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a49e532d/416cfe2f5f3d49b1bc178774773bb163 [2021-11-02 14:23:10,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 14:23:10,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 14:23:10,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 14:23:10,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 14:23:10,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 14:23:10,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:23:10" (1/1) ... [2021-11-02 14:23:10,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c3b9d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:23:10, skipping insertion in model container [2021-11-02 14:23:10,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:23:10" (1/1) ... [2021-11-02 14:23:10,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 14:23:10,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 14:23:12,376 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-usb-core-usbcore.ko.cil.out.i[134117,134130] [2021-11-02 14:23:19,827 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-02 14:23:19,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 14:23:19,928 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 14:23:19,998 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-usb-core-usbcore.ko.cil.out.i[134117,134130] [2021-11-02 14:23:20,480 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-02 14:23:20,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 14:23:21,035 INFO L208 MainTranslator]: Completed translation [2021-11-02 14:23:21,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:23:21 WrapperNode [2021-11-02 14:23:21,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 14:23:21,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 14:23:21,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 14:23:21,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 14:23:21,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:23:21" (1/1) ... [2021-11-02 14:23:21,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:23:21" (1/1) ... [2021-11-02 14:23:22,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 14:23:22,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 14:23:22,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 14:23:22,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 14:23:22,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:23:21" (1/1) ... [2021-11-02 14:23:22,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:23:21" (1/1) ... [2021-11-02 14:23:22,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:23:21" (1/1) ... [2021-11-02 14:23:22,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:23:21" (1/1) ... [2021-11-02 14:23:23,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:23:21" (1/1) ... [2021-11-02 14:23:23,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:23:21" (1/1) ... [2021-11-02 14:23:23,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:23:21" (1/1) ... [2021-11-02 14:23:23,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 14:23:23,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 14:23:23,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 14:23:23,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 14:23:23,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:23:21" (1/1) ... [2021-11-02 14:23:23,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 14:23:23,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 14:23:23,828 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) [2021-11-02 14:23:23,859 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 [2021-11-02 14:23:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-02 14:23:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-02 14:23:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_endpoint [2021-11-02 14:23:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_endpoint [2021-11-02 14:23:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async [2021-11-02 14:23:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async [2021-11-02 14:23:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_all_async [2021-11-02 14:23:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_all_async [2021-11-02 14:23:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure usb_runtime_resume [2021-11-02 14:23:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_runtime_resume [2021-11-02 14:23:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure hub_disconnect [2021-11-02 14:23:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_disconnect [2021-11-02 14:23:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure hub_hub_status [2021-11-02 14:23:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_hub_status [2021-11-02 14:23:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-02 14:23:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_bulk_urbs [2021-11-02 14:23:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_bulk_urbs [2021-11-02 14:23:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_logical_disconnect [2021-11-02 14:23:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_logical_disconnect [2021-11-02 14:23:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_flush_endpoint [2021-11-02 14:23:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_flush_endpoint [2021-11-02 14:23:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure get_port_status [2021-11-02 14:23:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure get_port_status [2021-11-02 14:23:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure kill_litter_super [2021-11-02 14:23:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure hub_irq [2021-11-02 14:23:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_irq [2021-11-02 14:23:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_suspend [2021-11-02 14:23:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_suspend [2021-11-02 14:23:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_device_descriptor [2021-11-02 14:23:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_device_descriptor [2021-11-02 14:23:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure hub_quiesce [2021-11-02 14:23:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_quiesce [2021-11-02 14:23:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb [2021-11-02 14:23:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb [2021-11-02 14:23:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 14:23:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_complete [2021-11-02 14:23:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_complete [2021-11-02 14:23:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_connect_change [2021-11-02 14:23:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_connect_change [2021-11-02 14:23:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_queue_reset_device [2021-11-02 14:23:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_queue_reset_device [2021-11-02 14:23:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure usb_probe_interface [2021-11-02 14:23:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_probe_interface [2021-11-02 14:23:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure rh_urb_enqueue [2021-11-02 14:23:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_urb_enqueue [2021-11-02 14:23:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-11-02 14:23:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-11-02 14:23:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure clear_hub_feature [2021-11-02 14:23:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_hub_feature [2021-11-02 14:23:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend [2021-11-02 14:23:23,900 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend [2021-11-02 14:23:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 14:23:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_interface [2021-11-02 14:23:23,900 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_interface [2021-11-02 14:23:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 14:23:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-02 14:23:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-02 14:23:23,900 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-02 14:23:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure set_port_led [2021-11-02 14:23:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure set_port_led [2021-11-02 14:23:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure usb_runtime_suspend [2021-11-02 14:23:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_runtime_suspend [2021-11-02 14:23:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_langid [2021-11-02 14:23:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_langid [2021-11-02 14:23:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_interface [2021-11-02 14:23:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_interface [2021-11-02 14:23:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 14:23:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 14:23:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-02 14:23:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_freeze [2021-11-02 14:23:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_freeze [2021-11-02 14:23:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure hub_thread [2021-11-02 14:23:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_thread [2021-11-02 14:23:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure hub_pre_reset [2021-11-02 14:23:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_pre_reset [2021-11-02 14:23:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure usb_start_wait_urb [2021-11-02 14:23:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_start_wait_urb [2021-11-02 14:23:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_reset [2021-11-02 14:23:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_reset [2021-11-02 14:23:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rebind_intf [2021-11-02 14:23:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rebind_intf [2021-11-02 14:23:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_both [2021-11-02 14:23:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_both [2021-11-02 14:23:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2021-11-02 14:23:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure hub_events [2021-11-02 14:23:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_events [2021-11-02 14:23:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_device [2021-11-02 14:23:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_device [2021-11-02 14:23:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2021-11-02 14:23:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2021-11-02 14:23:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 14:23:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure check_highspeed [2021-11-02 14:23:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure check_highspeed [2021-11-02 14:23:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure recursively_mark_NOTATTACHED [2021-11-02 14:23:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure recursively_mark_NOTATTACHED [2021-11-02 14:23:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 14:23:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_poweroff [2021-11-02 14:23:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_poweroff [2021-11-02 14:23:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_suspend [2021-11-02 14:23:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_suspend [2021-11-02 14:23:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_forced_unbind_intf [2021-11-02 14:23:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_forced_unbind_intf [2021-11-02 14:23:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep0_reinit [2021-11-02 14:23:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep0_reinit [2021-11-02 14:23:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure do_unbind_rebind [2021-11-02 14:23:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure do_unbind_rebind [2021-11-02 14:23:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 14:23:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure get_hub_descriptor [2021-11-02 14:23:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hub_descriptor [2021-11-02 14:23:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enumerate_device_otg [2021-11-02 14:23:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enumerate_device_otg [2021-11-02 14:23:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-11-02 14:23:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-11-02 14:23:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-11-02 14:23:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-11-02 14:23:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_wait_reset [2021-11-02 14:23:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_wait_reset [2021-11-02 14:23:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_internal_control_msg [2021-11-02 14:23:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_internal_control_msg [2021-11-02 14:23:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure generic_suspend [2021-11-02 14:23:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_suspend [2021-11-02 14:23:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_status [2021-11-02 14:23:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_status [2021-11-02 14:23:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure hub_suspend [2021-11-02 14:23:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_suspend [2021-11-02 14:23:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enumerate_device [2021-11-02 14:23:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enumerate_device [2021-11-02 14:23:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure check_port_resume_type [2021-11-02 14:23:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure check_port_resume_type [2021-11-02 14:23:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure generic_delete_inode [2021-11-02 14:23:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_resume [2021-11-02 14:23:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_resume [2021-11-02 14:23:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure hub_configure [2021-11-02 14:23:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_configure [2021-11-02 14:23:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_resume [2021-11-02 14:23:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_resume [2021-11-02 14:23:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure generic_disconnect [2021-11-02 14:23:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_disconnect [2021-11-02 14:23:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-02 14:23:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 14:23:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure hub_clear_tt_buffer [2021-11-02 14:23:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_clear_tt_buffer [2021-11-02 14:23:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure descriptors_changed [2021-11-02 14:23:23,910 INFO L138 BoogieDeclarations]: Found implementation of procedure descriptors_changed [2021-11-02 14:23:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure hub_tt_work [2021-11-02 14:23:23,910 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_tt_work [2021-11-02 14:23:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-02 14:23:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_interface [2021-11-02 14:23:23,910 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_interface [2021-11-02 14:23:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-02 14:23:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-02 14:23:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure hub_reset_resume [2021-11-02 14:23:23,911 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_reset_resume [2021-11-02 14:23:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_device [2021-11-02 14:23:23,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_device [2021-11-02 14:23:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure clear_port_feature [2021-11-02 14:23:23,911 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_port_feature [2021-11-02 14:23:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cache_string [2021-11-02 14:23:23,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cache_string [2021-11-02 14:23:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure led_work [2021-11-02 14:23:23,911 INFO L138 BoogieDeclarations]: Found implementation of procedure led_work [2021-11-02 14:23:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure generic_probe [2021-11-02 14:23:23,912 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_probe [2021-11-02 14:23:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unbind_interface [2021-11-02 14:23:23,912 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unbind_interface [2021-11-02 14:23:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rh_urb_dequeue [2021-11-02 14:23:23,912 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rh_urb_dequeue [2021-11-02 14:23:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-02 14:23:23,912 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-02 14:23:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async_on_interface [2021-11-02 14:23:23,912 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async_on_interface [2021-11-02 14:23:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure async_completed [2021-11-02 14:23:23,913 INFO L138 BoogieDeclarations]: Found implementation of procedure async_completed [2021-11-02 14:23:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure usb_create_sysfs_intf_files [2021-11-02 14:23:23,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_create_sysfs_intf_files [2021-11-02 14:23:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume [2021-11-02 14:23:23,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume [2021-11-02 14:23:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure driver_set_config_work [2021-11-02 14:23:23,913 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_set_config_work [2021-11-02 14:23:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure usbdev_release [2021-11-02 14:23:23,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usbdev_release [2021-11-02 14:23:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_dev [2021-11-02 14:23:23,914 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_dev [2021-11-02 14:23:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure hub_init_func2 [2021-11-02 14:23:23,914 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_init_func2 [2021-11-02 14:23:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure hub_init_func3 [2021-11-02 14:23:23,914 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_init_func3 [2021-11-02 14:23:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-02 14:23:23,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-02 14:23:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-02 14:23:23,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-02 14:23:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_both [2021-11-02 14:23:23,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_both [2021-11-02 14:23:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure hub_probe [2021-11-02 14:23:23,915 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_probe [2021-11-02 14:23:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure hub_resume [2021-11-02 14:23:23,915 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_resume [2021-11-02 14:23:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure hub_post_reset [2021-11-02 14:23:23,915 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_post_reset [2021-11-02 14:23:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure usb_open [2021-11-02 14:23:23,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_open [2021-11-02 14:23:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_thaw [2021-11-02 14:23:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_thaw [2021-11-02 14:23:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_init [2021-11-02 14:23:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_init [2021-11-02 14:23:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-02 14:23:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure rh_call_control [2021-11-02 14:23:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_call_control [2021-11-02 14:23:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-02 14:23:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_configuration [2021-11-02 14:23:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_configuration [2021-11-02 14:23:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_configuration [2021-11-02 14:23:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_configuration [2021-11-02 14:23:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-02 14:23:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-02 14:23:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure releaseintf [2021-11-02 14:23:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure releaseintf [2021-11-02 14:23:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure hub_power_on [2021-11-02 14:23:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_power_on [2021-11-02 14:23:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_and_verify_device [2021-11-02 14:23:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_and_verify_device [2021-11-02 14:23:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_string [2021-11-02 14:23:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_string [2021-11-02 14:23:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_debounce [2021-11-02 14:23:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_debounce [2021-11-02 14:23:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_bus_resume [2021-11-02 14:23:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_bus_resume [2021-11-02 14:23:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unbind_device [2021-11-02 14:23:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unbind_device [2021-11-02 14:23:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_alloc_bandwidth [2021-11-02 14:23:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_alloc_bandwidth [2021-11-02 14:23:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2021-11-02 14:23:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2021-11-02 14:23:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure generic_resume [2021-11-02 14:23:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_resume [2021-11-02 14:23:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_submit_urb [2021-11-02 14:23:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_submit_urb [2021-11-02 14:23:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-11-02 14:23:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-11-02 14:23:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure usb_probe_device [2021-11-02 14:23:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_probe_device [2021-11-02 14:23:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 14:23:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure driver_disconnect [2021-11-02 14:23:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_disconnect [2021-11-02 14:23:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_disable [2021-11-02 14:23:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_disable [2021-11-02 14:23:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-11-02 14:23:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-11-02 14:23:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string_sub [2021-11-02 14:23:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string_sub [2021-11-02 14:23:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_restore [2021-11-02 14:23:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_restore [2021-11-02 14:23:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_bus_suspend [2021-11-02 14:23:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_bus_suspend [2021-11-02 14:23:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2021-11-02 14:23:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2021-11-02 14:23:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_device [2021-11-02 14:23:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_device [2021-11-02 14:23:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure sg_complete [2021-11-02 14:23:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_complete [2021-11-02 14:23:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure usb_new_device [2021-11-02 14:23:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_new_device [2021-11-02 14:23:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2021-11-02 14:23:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2021-11-02 14:23:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disconnect [2021-11-02 14:23:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disconnect [2021-11-02 14:23:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure hub_activate [2021-11-02 14:23:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_activate [2021-11-02 14:23:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_warm_reset [2021-11-02 14:23:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_warm_reset [2021-11-02 14:23:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure finish_port_resume [2021-11-02 14:23:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_port_resume [2021-11-02 14:23:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure hub_set_address [2021-11-02 14:23:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_set_address [2021-11-02 14:23:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-02 14:23:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-02 14:23:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure get_hub_status [2021-11-02 14:23:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hub_status [2021-11-02 14:23:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 14:23:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure set_port_feature [2021-11-02 14:23:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure set_port_feature [2021-11-02 14:23:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2021-11-02 14:23:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2021-11-02 14:23:26,445 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:26,446 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:26,447 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:26,523 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-02 14:23:26,523 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-02 14:23:26,523 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume !false; [2021-11-02 14:23:26,523 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##67: assume false; [2021-11-02 14:23:26,523 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume false; [2021-11-02 14:23:26,523 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##101: assume !false; [2021-11-02 14:23:26,562 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:26,565 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:26,565 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:26,566 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:26,567 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:26,679 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##94: assume false; [2021-11-02 14:23:26,680 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##95: assume !false; [2021-11-02 14:23:26,680 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##80: assume !false; [2021-11-02 14:23:26,680 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##79: assume false; [2021-11-02 14:23:26,680 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2021-11-02 14:23:26,680 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2021-11-02 14:23:26,680 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2021-11-02 14:23:26,680 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2021-11-02 14:23:26,680 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2021-11-02 14:23:26,680 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2021-11-02 14:23:26,703 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:26,704 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:27,122 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume false; [2021-11-02 14:23:27,123 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##251: assume !false; [2021-11-02 14:23:27,123 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume !false; [2021-11-02 14:23:27,123 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume false; [2021-11-02 14:23:27,523 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:27,528 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2021-11-02 14:23:27,529 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2021-11-02 14:23:27,556 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2021-11-02 14:23:27,557 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false;atomic_cmpxchg_~__ptr~0.base, atomic_cmpxchg_~__ptr~0.offset := atomic_cmpxchg_~v.base, atomic_cmpxchg_~v.offset; [2021-11-02 14:23:27,573 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2021-11-02 14:23:27,574 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2021-11-02 14:23:27,574 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##48: assume !false; [2021-11-02 14:23:27,574 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume false; [2021-11-02 14:23:27,574 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##36: assume !false; [2021-11-02 14:23:27,574 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume false; [2021-11-02 14:23:27,574 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume !false; [2021-11-02 14:23:27,575 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume false; [2021-11-02 14:23:27,575 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2021-11-02 14:23:27,575 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2021-11-02 14:23:27,575 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-02 14:23:27,575 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume !false; [2021-11-02 14:23:27,575 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume false; [2021-11-02 14:23:27,575 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-02 14:23:27,594 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2021-11-02 14:23:27,595 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2021-11-02 14:23:27,858 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2021-11-02 14:23:27,858 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2021-11-02 14:23:28,129 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,197 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##80: assume !false; [2021-11-02 14:23:28,197 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##79: assume false; [2021-11-02 14:23:28,205 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2021-11-02 14:23:28,205 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false;atomic_cmpxchg_~__ptr~0.base, atomic_cmpxchg_~__ptr~0.offset := atomic_cmpxchg_~v.base, atomic_cmpxchg_~v.offset; [2021-11-02 14:23:28,244 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume !false; [2021-11-02 14:23:28,245 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##125: assume false;atomic_cmpxchg_~__ptr~0.base, atomic_cmpxchg_~__ptr~0.offset := atomic_cmpxchg_~v.base, atomic_cmpxchg_~v.offset; [2021-11-02 14:23:28,256 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,288 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume !false; [2021-11-02 14:23:28,288 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume false; [2021-11-02 14:23:28,288 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2021-11-02 14:23:28,288 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2021-11-02 14:23:28,288 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2021-11-02 14:23:28,289 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2021-11-02 14:23:28,293 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,294 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,299 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,301 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,302 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,307 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,309 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,310 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,314 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,316 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,317 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,322 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,324 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,326 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,330 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,332 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,334 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,338 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,340 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,342 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,346 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:28,899 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1299: assume false; [2021-11-02 14:23:28,899 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##297: assume !false; [2021-11-02 14:23:28,899 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##296: assume false; [2021-11-02 14:23:28,899 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume !false; [2021-11-02 14:23:28,899 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##365: assume false; [2021-11-02 14:23:28,900 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##405: assume false; [2021-11-02 14:23:28,900 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##406: assume !false; [2021-11-02 14:23:28,900 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1076: assume false; [2021-11-02 14:23:28,900 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1077: assume !false; [2021-11-02 14:23:28,900 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1036: assume false; [2021-11-02 14:23:28,900 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1037: assume !false; [2021-11-02 14:23:28,900 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2335: assume false; [2021-11-02 14:23:28,900 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2336: assume !false; [2021-11-02 14:23:28,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1780: assume !false; [2021-11-02 14:23:28,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1779: assume false; [2021-11-02 14:23:28,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1739: assume false; [2021-11-02 14:23:28,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1740: assume !false; [2021-11-02 14:23:28,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume !false; [2021-11-02 14:23:28,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##73: assume false; [2021-11-02 14:23:28,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume !false; [2021-11-02 14:23:28,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume false; [2021-11-02 14:23:28,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##629: assume !false; [2021-11-02 14:23:28,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##628: assume false; [2021-11-02 14:23:28,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1646: assume false; [2021-11-02 14:23:28,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1647: assume !false; [2021-11-02 14:23:28,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2113: assume !false; [2021-11-02 14:23:28,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2112: assume false; [2021-11-02 14:23:28,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2072: assume false; [2021-11-02 14:23:28,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2073: assume !false; [2021-11-02 14:23:28,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##742: assume false; [2021-11-02 14:23:28,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##743: assume !false; [2021-11-02 14:23:28,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2003: assume !false; [2021-11-02 14:23:28,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2002: assume false; [2021-11-02 14:23:28,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##702: assume false; [2021-11-02 14:23:28,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##703: assume !false; [2021-11-02 14:23:28,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1423: assume false; [2021-11-02 14:23:28,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1424: assume !false; [2021-11-02 14:23:28,904 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##966: assume !false; [2021-11-02 14:23:28,904 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##965: assume false; [2021-11-02 14:23:28,904 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1300: assume !false; [2021-11-02 14:23:28,904 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1383: assume false; [2021-11-02 14:23:28,904 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1384: assume !false; [2021-11-02 14:23:29,388 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint put_unaligned_le16_returnLabel#2: havoc hcd_alloc_coherent_#t~mem2195.base, hcd_alloc_coherent_#t~mem2195.offset; [2021-11-02 14:23:29,388 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false; [2021-11-02 14:23:29,388 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false;call hcd_alloc_coherent_#t~mem2194.base, hcd_alloc_coherent_#t~mem2194.offset := read~$Pointer$(hcd_alloc_coherent_~vaddr_handle.base, hcd_alloc_coherent_~vaddr_handle.offset, 8);call write~int(hcd_alloc_coherent_#t~mem2194.base + hcd_alloc_coherent_#t~mem2194.offset, hcd_alloc_coherent_~__gu_p~0.base, hcd_alloc_coherent_~__gu_p~0.offset, 1);havoc hcd_alloc_coherent_#t~mem2194.base, hcd_alloc_coherent_#t~mem2194.offset; [2021-11-02 14:23:29,389 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint put_unaligned_le16_returnLabel: havoc hcd_alloc_coherent_#t~mem2195.base, hcd_alloc_coherent_#t~mem2195.offset; [2021-11-02 14:23:29,389 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint put_unaligned_le32_returnLabel: havoc hcd_alloc_coherent_#t~mem2196.base, hcd_alloc_coherent_#t~mem2196.offset; [2021-11-02 14:23:29,389 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint put_unaligned_le32_returnLabel#2: havoc hcd_alloc_coherent_#t~mem2196.base, hcd_alloc_coherent_#t~mem2196.offset; [2021-11-02 14:23:29,389 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##108: assume false;call hcd_alloc_coherent_#t~mem2194.base, hcd_alloc_coherent_#t~mem2194.offset := read~$Pointer$(hcd_alloc_coherent_~vaddr_handle.base, hcd_alloc_coherent_~vaddr_handle.offset, 8);call write~int(hcd_alloc_coherent_#t~mem2194.base + hcd_alloc_coherent_#t~mem2194.offset, hcd_alloc_coherent_~__gu_p~0.base, hcd_alloc_coherent_~__gu_p~0.offset, 1);havoc hcd_alloc_coherent_#t~mem2194.base, hcd_alloc_coherent_#t~mem2194.offset; [2021-11-02 14:23:29,389 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##109: assume !false; [2021-11-02 14:23:29,766 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:29,767 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2021-11-02 14:23:29,767 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2021-11-02 14:23:29,799 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:29,806 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2021-11-02 14:23:29,806 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2021-11-02 14:23:29,907 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##59: assume !false; [2021-11-02 14:23:29,907 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume false; [2021-11-02 14:23:29,907 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##129: assume false; [2021-11-02 14:23:29,907 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume !false; [2021-11-02 14:23:29,907 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##109: assume false; [2021-11-02 14:23:29,907 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume !false; [2021-11-02 14:23:29,908 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##118: assume !false; [2021-11-02 14:23:29,908 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##117: assume false; [2021-11-02 14:23:29,908 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##125: assume !false; [2021-11-02 14:23:29,908 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##124: assume false; [2021-11-02 14:23:29,909 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:29,914 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2021-11-02 14:23:29,914 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2021-11-02 14:23:29,950 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:29,951 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:29,952 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:23:29,989 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##79: assume !false; [2021-11-02 14:23:29,989 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume false; [2021-11-02 14:23:29,990 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2021-11-02 14:23:29,990 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2021-11-02 14:23:29,990 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2021-11-02 14:23:29,990 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2021-11-02 14:23:30,012 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:29:05,818 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-02 14:29:05,818 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-02 14:29:05,880 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 14:29:05,880 INFO L299 CfgBuilder]: Removed 6660 assume(true) statements. [2021-11-02 14:29:05,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:29:05 BoogieIcfgContainer [2021-11-02 14:29:05,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 14:29:05,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 14:29:05,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 14:29:05,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 14:29:05,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 02:23:10" (1/3) ... [2021-11-02 14:29:05,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b05589f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:29:05, skipping insertion in model container [2021-11-02 14:29:05,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:23:21" (2/3) ... [2021-11-02 14:29:05,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b05589f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:29:05, skipping insertion in model container [2021-11-02 14:29:05,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:29:05" (3/3) ... [2021-11-02 14:29:05,897 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-usb-core-usbcore.ko.cil.out.i [2021-11-02 14:29:05,901 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 14:29:05,901 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-02 14:29:05,952 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 14:29:05,965 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 [2021-11-02 14:29:05,965 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-02 14:29:06,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 8859 states, 8392 states have (on average 1.4411344137273594) internal successors, (12094), 8457 states have internal predecessors, (12094), 333 states have call successors, (333), 130 states have call predecessors, (333), 130 states have return successors, (333), 319 states have call predecessors, (333), 333 states have call successors, (333) [2021-11-02 14:29:06,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-02 14:29:06,063 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:29:06,063 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:29:06,064 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [usb_openErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_openErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:29:06,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:29:06,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1806543426, now seen corresponding path program 1 times [2021-11-02 14:29:06,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:29:06,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110293759] [2021-11-02 14:29:06,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:29:06,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:29:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:29:07,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:29:07,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:29:07,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110293759] [2021-11-02 14:29:07,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110293759] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:29:07,518 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:29:07,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 14:29:07,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113397475] [2021-11-02 14:29:07,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 14:29:07,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:29:07,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 14:29:07,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 14:29:07,554 INFO L87 Difference]: Start difference. First operand has 8859 states, 8392 states have (on average 1.4411344137273594) internal successors, (12094), 8457 states have internal predecessors, (12094), 333 states have call successors, (333), 130 states have call predecessors, (333), 130 states have return successors, (333), 319 states have call predecessors, (333), 333 states have call successors, (333) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-11-02 14:29:09,983 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:29:13,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:29:20,307 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:29:22,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:29:25,621 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:29:29,999 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:29:32,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:29:35,423 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:29:52,360 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:29:58,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:29:58,130 INFO L93 Difference]: Finished difference Result 26523 states and 39136 transitions. [2021-11-02 14:29:58,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 14:29:58,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2021-11-02 14:29:58,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:29:58,255 INFO L225 Difference]: With dead ends: 26523 [2021-11-02 14:29:58,255 INFO L226 Difference]: Without dead ends: 17607 [2021-11-02 14:29:58,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.87ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 14:29:58,360 INFO L933 BasicCegarLoop]: 1026 mSDtfsCounter, 12579 mSDsluCounter, 12880 mSDsCounter, 0 mSdLazyCounter, 23799 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44064.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12579 SdHoareTripleChecker+Valid, 2022 SdHoareTripleChecker+Invalid, 23810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 83.03ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23799 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49406.79ms IncrementalHoareTripleChecker+Time [2021-11-02 14:29:58,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12579 Valid, 2022 Invalid, 23810 Unknown, 0 Unchecked, 83.03ms Time], IncrementalHoareTripleChecker [3 Valid, 23799 Invalid, 8 Unknown, 0 Unchecked, 49406.79ms Time] [2021-11-02 14:29:58,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17607 states. [2021-11-02 14:29:58,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17607 to 17603. [2021-11-02 14:29:58,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17603 states, 16674 states have (on average 1.4232937507496701) internal successors, (23732), 16800 states have internal predecessors, (23732), 666 states have call successors, (666), 260 states have call predecessors, (666), 260 states have return successors, (969), 638 states have call predecessors, (969), 666 states have call successors, (969) [2021-11-02 14:29:58,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17603 states to 17603 states and 25367 transitions. [2021-11-02 14:29:58,908 INFO L78 Accepts]: Start accepts. Automaton has 17603 states and 25367 transitions. Word has length 7 [2021-11-02 14:29:58,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:29:58,909 INFO L470 AbstractCegarLoop]: Abstraction has 17603 states and 25367 transitions. [2021-11-02 14:29:58,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-11-02 14:29:58,910 INFO L276 IsEmpty]: Start isEmpty. Operand 17603 states and 25367 transitions. [2021-11-02 14:29:58,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-02 14:29:58,912 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:29:58,912 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:29:58,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 14:29:58,914 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting usb_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [usb_openErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_openErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:29:58,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:29:58,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1524069614, now seen corresponding path program 1 times [2021-11-02 14:29:58,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:29:58,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103089935] [2021-11-02 14:29:58,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:29:58,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:29:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:29:59,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:29:59,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:29:59,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103089935] [2021-11-02 14:29:59,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103089935] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:29:59,925 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:29:59,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 14:29:59,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589835011] [2021-11-02 14:29:59,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 14:29:59,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:29:59,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 14:29:59,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 14:29:59,927 INFO L87 Difference]: Start difference. First operand 17603 states and 25367 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-11-02 14:30:02,256 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:30:06,880 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:30:15,409 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:30:19,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:30:24,201 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:30:41,818 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:30:50,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:30:50,446 INFO L93 Difference]: Finished difference Result 35212 states and 51651 transitions. [2021-11-02 14:30:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 14:30:50,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 20 [2021-11-02 14:30:50,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:30:50,572 INFO L225 Difference]: With dead ends: 35212 [2021-11-02 14:30:50,572 INFO L226 Difference]: Without dead ends: 17611 [2021-11-02 14:30:50,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.80ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 14:30:50,648 INFO L933 BasicCegarLoop]: 668 mSDtfsCounter, 49 mSDsluCounter, 12482 mSDsCounter, 0 mSdLazyCounter, 23686 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43111.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 1335 SdHoareTripleChecker+Invalid, 23692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 66.83ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23686 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49362.79ms IncrementalHoareTripleChecker+Time [2021-11-02 14:30:50,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 1335 Invalid, 23692 Unknown, 0 Unchecked, 66.83ms Time], IncrementalHoareTripleChecker [0 Valid, 23686 Invalid, 6 Unknown, 0 Unchecked, 49362.79ms Time] [2021-11-02 14:30:50,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17611 states. [2021-11-02 14:30:50,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17611 to 17607. [2021-11-02 14:30:50,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17607 states, 16677 states have (on average 1.423097679438748) internal successors, (23733), 16804 states have internal predecessors, (23733), 666 states have call successors, (666), 260 states have call predecessors, (666), 261 states have return successors, (971), 638 states have call predecessors, (971), 666 states have call successors, (971) [2021-11-02 14:30:51,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17607 states to 17607 states and 25370 transitions. [2021-11-02 14:30:51,041 INFO L78 Accepts]: Start accepts. Automaton has 17607 states and 25370 transitions. Word has length 20 [2021-11-02 14:30:51,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:30:51,042 INFO L470 AbstractCegarLoop]: Abstraction has 17607 states and 25370 transitions. [2021-11-02 14:30:51,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-11-02 14:30:51,042 INFO L276 IsEmpty]: Start isEmpty. Operand 17607 states and 25370 transitions. [2021-11-02 14:30:51,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-02 14:30:51,044 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:30:51,044 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:30:51,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 14:30:51,044 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting usb_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [usb_openErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_openErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:30:51,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:30:51,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1290030149, now seen corresponding path program 1 times [2021-11-02 14:30:51,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:30:51,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769797263] [2021-11-02 14:30:51,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:30:51,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:30:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:30:52,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:30:52,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:30:52,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769797263] [2021-11-02 14:30:52,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769797263] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:30:52,167 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:30:52,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 14:30:52,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420612304] [2021-11-02 14:30:52,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 14:30:52,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:30:52,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 14:30:52,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 14:30:52,169 INFO L87 Difference]: Start difference. First operand 17607 states and 25370 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-11-02 14:30:54,535 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:30:59,774 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:31:01,810 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:31:04,174 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:31:16,480 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:31:18,799 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:31:21,692 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:31:23,295 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:31:25,562 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:31:29,692 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:31:33,246 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:31:56,378 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:31:58,397 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:00,311 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:09,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:32:09,428 INFO L93 Difference]: Finished difference Result 35290 states and 51763 transitions. [2021-11-02 14:32:09,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-02 14:32:09,429 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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 24 [2021-11-02 14:32:09,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:32:09,503 INFO L225 Difference]: With dead ends: 35290 [2021-11-02 14:32:09,504 INFO L226 Difference]: Without dead ends: 17685 [2021-11-02 14:32:09,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 38.61ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-02 14:32:09,602 INFO L933 BasicCegarLoop]: 670 mSDtfsCounter, 167 mSDsluCounter, 37646 mSDsCounter, 0 mSdLazyCounter, 47532 mSolverCounterSat, 11 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67845.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 2676 SdHoareTripleChecker+Invalid, 47553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 129.73ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 47532 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76087.23ms IncrementalHoareTripleChecker+Time [2021-11-02 14:32:09,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 2676 Invalid, 47553 Unknown, 0 Unchecked, 129.73ms Time], IncrementalHoareTripleChecker [11 Valid, 47532 Invalid, 10 Unknown, 0 Unchecked, 76087.23ms Time] [2021-11-02 14:32:09,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17685 states. [2021-11-02 14:32:09,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17685 to 17610. [2021-11-02 14:32:09,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17610 states, 16680 states have (on average 1.4229616306954436) internal successors, (23735), 16807 states have internal predecessors, (23735), 666 states have call successors, (666), 260 states have call predecessors, (666), 261 states have return successors, (971), 638 states have call predecessors, (971), 666 states have call successors, (971) [2021-11-02 14:32:09,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17610 states to 17610 states and 25372 transitions. [2021-11-02 14:32:09,987 INFO L78 Accepts]: Start accepts. Automaton has 17610 states and 25372 transitions. Word has length 24 [2021-11-02 14:32:09,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:32:09,988 INFO L470 AbstractCegarLoop]: Abstraction has 17610 states and 25372 transitions. [2021-11-02 14:32:09,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-11-02 14:32:09,988 INFO L276 IsEmpty]: Start isEmpty. Operand 17610 states and 25372 transitions. [2021-11-02 14:32:09,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-02 14:32:09,990 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:32:09,990 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:32:09,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 14:32:09,990 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting usb_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [usb_openErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_openErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:32:09,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:32:09,991 INFO L85 PathProgramCache]: Analyzing trace with hash 480683523, now seen corresponding path program 1 times [2021-11-02 14:32:09,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:32:09,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617968879] [2021-11-02 14:32:09,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:32:09,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:32:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:32:12,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:32:12,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:32:12,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617968879] [2021-11-02 14:32:12,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617968879] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:32:12,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:32:12,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 14:32:12,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592491305] [2021-11-02 14:32:12,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 14:32:12,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:32:12,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 14:32:12,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 14:32:12,434 INFO L87 Difference]: Start difference. First operand 17610 states and 25372 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2021-11-02 14:32:14,780 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:21,609 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:27,426 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:29,724 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:33,895 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:37,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:40,744 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:55,067 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:01,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:33:01,518 INFO L93 Difference]: Finished difference Result 26452 states and 38261 transitions. [2021-11-02 14:33:01,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 14:33:01,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 24 [2021-11-02 14:33:01,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:33:01,550 INFO L225 Difference]: With dead ends: 26452 [2021-11-02 14:33:01,550 INFO L226 Difference]: Without dead ends: 8844 [2021-11-02 14:33:01,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.84ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 14:33:01,605 INFO L933 BasicCegarLoop]: 666 mSDtfsCounter, 15 mSDsluCounter, 12513 mSDsCounter, 0 mSdLazyCounter, 23715 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42352.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 23723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 56.51ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23715 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48439.41ms IncrementalHoareTripleChecker+Time [2021-11-02 14:33:01,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 1332 Invalid, 23723 Unknown, 0 Unchecked, 56.51ms Time], IncrementalHoareTripleChecker [1 Valid, 23715 Invalid, 7 Unknown, 0 Unchecked, 48439.41ms Time] [2021-11-02 14:33:01,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8844 states. [2021-11-02 14:33:01,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8844 to 8840. [2021-11-02 14:33:01,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8840 states, 8371 states have (on average 1.4224107036196392) internal successors, (11907), 8436 states have internal predecessors, (11907), 334 states have call successors, (334), 131 states have call predecessors, (334), 132 states have return successors, (337), 320 states have call predecessors, (337), 334 states have call successors, (337) [2021-11-02 14:33:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8840 states to 8840 states and 12578 transitions. [2021-11-02 14:33:01,773 INFO L78 Accepts]: Start accepts. Automaton has 8840 states and 12578 transitions. Word has length 24 [2021-11-02 14:33:01,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:33:01,773 INFO L470 AbstractCegarLoop]: Abstraction has 8840 states and 12578 transitions. [2021-11-02 14:33:01,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2021-11-02 14:33:01,774 INFO L276 IsEmpty]: Start isEmpty. Operand 8840 states and 12578 transitions. [2021-11-02 14:33:01,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-02 14:33:01,777 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:33:01,777 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:33:01,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-02 14:33:01,777 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting usb_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [usb_openErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_openErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:33:01,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:33:01,778 INFO L85 PathProgramCache]: Analyzing trace with hash -723551233, now seen corresponding path program 1 times [2021-11-02 14:33:01,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:33:01,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574253554] [2021-11-02 14:33:01,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:33:01,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:33:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:33:02,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:33:02,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:33:02,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574253554] [2021-11-02 14:33:02,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574253554] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:33:02,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:33:02,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 14:33:02,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037976103] [2021-11-02 14:33:02,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 14:33:02,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:33:02,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 14:33:02,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 14:33:02,674 INFO L87 Difference]: Start difference. First operand 8840 states and 12578 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-11-02 14:33:05,009 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:14,370 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:20,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:22,629 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:24,618 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:27,549 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:32,685 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:35,178 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:49,248 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-02 14:34:16,722 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:34:27,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:34:27,512 INFO L93 Difference]: Finished difference Result 16792 states and 24104 transitions. [2021-11-02 14:34:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 14:34:27,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 26 [2021-11-02 14:34:27,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:34:27,568 INFO L225 Difference]: With dead ends: 16792 [2021-11-02 14:34:27,569 INFO L226 Difference]: Without dead ends: 16788 [2021-11-02 14:34:27,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.12ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 14:34:27,577 INFO L933 BasicCegarLoop]: 963 mSDtfsCounter, 11247 mSDsluCounter, 25027 mSDsCounter, 0 mSdLazyCounter, 36231 mSolverCounterSat, 5 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71506.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11247 SdHoareTripleChecker+Valid, 2269 SdHoareTripleChecker+Invalid, 36244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 137.94ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 36231 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83594.23ms IncrementalHoareTripleChecker+Time [2021-11-02 14:34:27,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11247 Valid, 2269 Invalid, 36244 Unknown, 0 Unchecked, 137.94ms Time], IncrementalHoareTripleChecker [5 Valid, 36231 Invalid, 8 Unknown, 0 Unchecked, 83594.23ms Time] [2021-11-02 14:34:27,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16788 states. [2021-11-02 14:34:27,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16788 to 16782. [2021-11-02 14:34:27,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16782 states, 15900 states have (on average 1.419496855345912) internal successors, (22570), 16023 states have internal predecessors, (22570), 626 states have call successors, (626), 251 states have call predecessors, (626), 253 states have return successors, (897), 597 states have call predecessors, (897), 626 states have call successors, (897) [2021-11-02 14:34:27,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16782 states to 16782 states and 24093 transitions. [2021-11-02 14:34:27,892 INFO L78 Accepts]: Start accepts. Automaton has 16782 states and 24093 transitions. Word has length 26 [2021-11-02 14:34:27,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:34:27,892 INFO L470 AbstractCegarLoop]: Abstraction has 16782 states and 24093 transitions. [2021-11-02 14:34:27,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-11-02 14:34:27,893 INFO L276 IsEmpty]: Start isEmpty. Operand 16782 states and 24093 transitions. [2021-11-02 14:34:27,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-02 14:34:27,894 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:34:27,894 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:34:27,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-02 14:34:27,895 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [usb_openErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_openErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:34:27,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:34:27,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1251868075, now seen corresponding path program 1 times [2021-11-02 14:34:27,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:34:27,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366442144] [2021-11-02 14:34:27,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:34:27,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:34:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:34:30,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-02 14:34:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:34:30,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:34:30,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:34:30,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366442144] [2021-11-02 14:34:30,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366442144] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:34:30,588 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:34:30,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 14:34:30,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077975022] [2021-11-02 14:34:30,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 14:34:30,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:34:30,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 14:34:30,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 14:34:30,589 INFO L87 Difference]: Start difference. First operand 16782 states and 24093 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-02 14:34:32,987 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:34:46,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:34:48,730 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:34:50,097 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:35:01,647 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:35:22,905 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:35:27,497 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:35:34,672 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:36:03,726 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:36:13,582 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:36:17,065 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15