./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 c36dfa3b 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-c36dfa3 [2021-11-04 00:03:51,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 00:03:51,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 00:03:51,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 00:03:51,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 00:03:51,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 00:03:51,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 00:03:51,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 00:03:51,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 00:03:51,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 00:03:51,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 00:03:51,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 00:03:51,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 00:03:51,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 00:03:51,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 00:03:51,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 00:03:51,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 00:03:51,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 00:03:51,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 00:03:51,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 00:03:51,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 00:03:51,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 00:03:51,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 00:03:51,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 00:03:51,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 00:03:51,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 00:03:51,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 00:03:51,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 00:03:51,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 00:03:51,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 00:03:51,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 00:03:51,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 00:03:51,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 00:03:51,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 00:03:51,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 00:03:51,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 00:03:51,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 00:03:51,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 00:03:51,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 00:03:51,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 00:03:51,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 00:03:51,199 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 00:03:51,227 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 00:03:51,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 00:03:51,228 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 00:03:51,228 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 00:03:51,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 00:03:51,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 00:03:51,229 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 00:03:51,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 00:03:51,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 00:03:51,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 00:03:51,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 00:03:51,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 00:03:51,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 00:03:51,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 00:03:51,231 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 00:03:51,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 00:03:51,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 00:03:51,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 00:03:51,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 00:03:51,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 00:03:51,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 00:03:51,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 00:03:51,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 00:03:51,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 00:03:51,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 00:03:51,232 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 00:03:51,233 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 00:03:51,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 00:03:51,233 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 00:03:51,233 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ab970527647e5ab08d4f5c3b11266fdb86c463377e2221a4694f62e2454c23c [2021-11-04 00:03:51,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 00:03:51,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 00:03:51,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 00:03:51,441 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 00:03:51,445 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 00:03:51,447 INFO L432 ainManager$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 [2021-11-04 00:03:51,507 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12d4e04a2/4ee93797d6a34609a5af799ad720dd92/FLAG19b467f71 [2021-11-04 00:03:52,335 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 00:03:52,336 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 [2021-11-04 00:03:52,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12d4e04a2/4ee93797d6a34609a5af799ad720dd92/FLAG19b467f71 [2021-11-04 00:03:52,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12d4e04a2/4ee93797d6a34609a5af799ad720dd92 [2021-11-04 00:03:52,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 00:03:52,491 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 00:03:52,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 00:03:52,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 00:03:52,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 00:03:52,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 12:03:52" (1/1) ... [2021-11-04 00:03:52,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70569ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:03:52, skipping insertion in model container [2021-11-04 00:03:52,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 12:03:52" (1/1) ... [2021-11-04 00:03:52,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 00:03:52,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 00:03:53,981 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] [2021-11-04 00:04:02,019 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-04 00:04:02,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 00:04:02,102 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 00:04:02,204 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] [2021-11-04 00:04:02,832 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-04 00:04:02,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 00:04:03,325 INFO L208 MainTranslator]: Completed translation [2021-11-04 00:04:03,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:04:03 WrapperNode [2021-11-04 00:04:03,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 00:04:03,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 00:04:03,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 00:04:03,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 00:04:03,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:04:03" (1/1) ... [2021-11-04 00:04:03,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:04:03" (1/1) ... [2021-11-04 00:04:04,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 00:04:04,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 00:04:04,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 00:04:04,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 00:04:04,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:04:03" (1/1) ... [2021-11-04 00:04:04,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:04:03" (1/1) ... [2021-11-04 00:04:04,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:04:03" (1/1) ... [2021-11-04 00:04:04,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:04:03" (1/1) ... [2021-11-04 00:04:05,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:04:03" (1/1) ... [2021-11-04 00:04:05,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:04:03" (1/1) ... [2021-11-04 00:04:05,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:04:03" (1/1) ... [2021-11-04 00:04:05,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 00:04:05,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 00:04:05,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 00:04:05,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 00:04:05,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:04:03" (1/1) ... [2021-11-04 00:04:05,967 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 00:04:05,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 00:04:05,986 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) [2021-11-04 00:04:05,993 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 [2021-11-04 00:04:06,016 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-04 00:04:06,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-04 00:04:06,016 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_endpoint [2021-11-04 00:04:06,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_endpoint [2021-11-04 00:04:06,016 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async [2021-11-04 00:04:06,016 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async [2021-11-04 00:04:06,017 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_all_async [2021-11-04 00:04:06,017 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_all_async [2021-11-04 00:04:06,017 INFO L130 BoogieDeclarations]: Found specification of procedure usb_runtime_resume [2021-11-04 00:04:06,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_runtime_resume [2021-11-04 00:04:06,017 INFO L130 BoogieDeclarations]: Found specification of procedure hub_disconnect [2021-11-04 00:04:06,017 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_disconnect [2021-11-04 00:04:06,017 INFO L130 BoogieDeclarations]: Found specification of procedure hub_hub_status [2021-11-04 00:04:06,017 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_hub_status [2021-11-04 00:04:06,017 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-04 00:04:06,018 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_bulk_urbs [2021-11-04 00:04:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_bulk_urbs [2021-11-04 00:04:06,018 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_logical_disconnect [2021-11-04 00:04:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_logical_disconnect [2021-11-04 00:04:06,018 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_flush_endpoint [2021-11-04 00:04:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_flush_endpoint [2021-11-04 00:04:06,018 INFO L130 BoogieDeclarations]: Found specification of procedure get_port_status [2021-11-04 00:04:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure get_port_status [2021-11-04 00:04:06,018 INFO L130 BoogieDeclarations]: Found specification of procedure kill_litter_super [2021-11-04 00:04:06,019 INFO L130 BoogieDeclarations]: Found specification of procedure hub_irq [2021-11-04 00:04:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_irq [2021-11-04 00:04:06,019 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_suspend [2021-11-04 00:04:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_suspend [2021-11-04 00:04:06,019 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_device_descriptor [2021-11-04 00:04:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_device_descriptor [2021-11-04 00:04:06,019 INFO L130 BoogieDeclarations]: Found specification of procedure hub_quiesce [2021-11-04 00:04:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_quiesce [2021-11-04 00:04:06,019 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb [2021-11-04 00:04:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb [2021-11-04 00:04:06,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 00:04:06,020 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_complete [2021-11-04 00:04:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_complete [2021-11-04 00:04:06,020 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_connect_change [2021-11-04 00:04:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_connect_change [2021-11-04 00:04:06,020 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_queue_reset_device [2021-11-04 00:04:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_queue_reset_device [2021-11-04 00:04:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure usb_probe_interface [2021-11-04 00:04:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_probe_interface [2021-11-04 00:04:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure rh_urb_enqueue [2021-11-04 00:04:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_urb_enqueue [2021-11-04 00:04:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-11-04 00:04:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-11-04 00:04:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure clear_hub_feature [2021-11-04 00:04:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_hub_feature [2021-11-04 00:04:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend [2021-11-04 00:04:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend [2021-11-04 00:04:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 00:04:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_interface [2021-11-04 00:04:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_interface [2021-11-04 00:04:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 00:04:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-04 00:04:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-04 00:04:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-04 00:04:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure set_port_led [2021-11-04 00:04:06,023 INFO L138 BoogieDeclarations]: Found implementation of procedure set_port_led [2021-11-04 00:04:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure usb_runtime_suspend [2021-11-04 00:04:06,023 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_runtime_suspend [2021-11-04 00:04:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_langid [2021-11-04 00:04:06,023 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_langid [2021-11-04 00:04:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_interface [2021-11-04 00:04:06,023 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_interface [2021-11-04 00:04:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 00:04:06,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 00:04:06,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-04 00:04:06,024 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_freeze [2021-11-04 00:04:06,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_freeze [2021-11-04 00:04:06,024 INFO L130 BoogieDeclarations]: Found specification of procedure hub_thread [2021-11-04 00:04:06,024 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_thread [2021-11-04 00:04:06,024 INFO L130 BoogieDeclarations]: Found specification of procedure hub_pre_reset [2021-11-04 00:04:06,024 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_pre_reset [2021-11-04 00:04:06,024 INFO L130 BoogieDeclarations]: Found specification of procedure usb_start_wait_urb [2021-11-04 00:04:06,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_start_wait_urb [2021-11-04 00:04:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_reset [2021-11-04 00:04:06,025 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_reset [2021-11-04 00:04:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rebind_intf [2021-11-04 00:04:06,025 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rebind_intf [2021-11-04 00:04:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_both [2021-11-04 00:04:06,025 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_both [2021-11-04 00:04:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2021-11-04 00:04:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure hub_events [2021-11-04 00:04:06,025 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_events [2021-11-04 00:04:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_device [2021-11-04 00:04:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_device [2021-11-04 00:04:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2021-11-04 00:04:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2021-11-04 00:04:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 00:04:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure check_highspeed [2021-11-04 00:04:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure check_highspeed [2021-11-04 00:04:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure recursively_mark_NOTATTACHED [2021-11-04 00:04:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure recursively_mark_NOTATTACHED [2021-11-04 00:04:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 00:04:06,027 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_poweroff [2021-11-04 00:04:06,027 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_poweroff [2021-11-04 00:04:06,027 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_suspend [2021-11-04 00:04:06,027 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_suspend [2021-11-04 00:04:06,027 INFO L130 BoogieDeclarations]: Found specification of procedure usb_forced_unbind_intf [2021-11-04 00:04:06,027 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_forced_unbind_intf [2021-11-04 00:04:06,027 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep0_reinit [2021-11-04 00:04:06,027 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep0_reinit [2021-11-04 00:04:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure do_unbind_rebind [2021-11-04 00:04:06,028 INFO L138 BoogieDeclarations]: Found implementation of procedure do_unbind_rebind [2021-11-04 00:04:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-04 00:04:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure get_hub_descriptor [2021-11-04 00:04:06,028 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hub_descriptor [2021-11-04 00:04:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enumerate_device_otg [2021-11-04 00:04:06,028 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enumerate_device_otg [2021-11-04 00:04:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-11-04 00:04:06,028 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-11-04 00:04:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-11-04 00:04:06,029 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-11-04 00:04:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_wait_reset [2021-11-04 00:04:06,029 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_wait_reset [2021-11-04 00:04:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure usb_internal_control_msg [2021-11-04 00:04:06,029 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_internal_control_msg [2021-11-04 00:04:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure generic_suspend [2021-11-04 00:04:06,029 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_suspend [2021-11-04 00:04:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_status [2021-11-04 00:04:06,029 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_status [2021-11-04 00:04:06,030 INFO L130 BoogieDeclarations]: Found specification of procedure hub_suspend [2021-11-04 00:04:06,030 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_suspend [2021-11-04 00:04:06,030 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enumerate_device [2021-11-04 00:04:06,030 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enumerate_device [2021-11-04 00:04:06,030 INFO L130 BoogieDeclarations]: Found specification of procedure check_port_resume_type [2021-11-04 00:04:06,030 INFO L138 BoogieDeclarations]: Found implementation of procedure check_port_resume_type [2021-11-04 00:04:06,030 INFO L130 BoogieDeclarations]: Found specification of procedure generic_delete_inode [2021-11-04 00:04:06,030 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_resume [2021-11-04 00:04:06,030 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_resume [2021-11-04 00:04:06,031 INFO L130 BoogieDeclarations]: Found specification of procedure hub_configure [2021-11-04 00:04:06,031 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_configure [2021-11-04 00:04:06,031 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_resume [2021-11-04 00:04:06,031 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_resume [2021-11-04 00:04:06,031 INFO L130 BoogieDeclarations]: Found specification of procedure generic_disconnect [2021-11-04 00:04:06,031 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_disconnect [2021-11-04 00:04:06,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-04 00:04:06,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 00:04:06,031 INFO L130 BoogieDeclarations]: Found specification of procedure hub_clear_tt_buffer [2021-11-04 00:04:06,032 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_clear_tt_buffer [2021-11-04 00:04:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure descriptors_changed [2021-11-04 00:04:06,032 INFO L138 BoogieDeclarations]: Found implementation of procedure descriptors_changed [2021-11-04 00:04:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure hub_tt_work [2021-11-04 00:04:06,032 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_tt_work [2021-11-04 00:04:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-04 00:04:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_interface [2021-11-04 00:04:06,032 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_interface [2021-11-04 00:04:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-04 00:04:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-04 00:04:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure hub_reset_resume [2021-11-04 00:04:06,033 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_reset_resume [2021-11-04 00:04:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_device [2021-11-04 00:04:06,033 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_device [2021-11-04 00:04:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure clear_port_feature [2021-11-04 00:04:06,033 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_port_feature [2021-11-04 00:04:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cache_string [2021-11-04 00:04:06,033 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cache_string [2021-11-04 00:04:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure led_work [2021-11-04 00:04:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure led_work [2021-11-04 00:04:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure generic_probe [2021-11-04 00:04:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_probe [2021-11-04 00:04:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unbind_interface [2021-11-04 00:04:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unbind_interface [2021-11-04 00:04:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rh_urb_dequeue [2021-11-04 00:04:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rh_urb_dequeue [2021-11-04 00:04:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-04 00:04:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-04 00:04:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async_on_interface [2021-11-04 00:04:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async_on_interface [2021-11-04 00:04:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure async_completed [2021-11-04 00:04:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure async_completed [2021-11-04 00:04:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_create_sysfs_intf_files [2021-11-04 00:04:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_create_sysfs_intf_files [2021-11-04 00:04:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume [2021-11-04 00:04:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume [2021-11-04 00:04:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure driver_set_config_work [2021-11-04 00:04:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_set_config_work [2021-11-04 00:04:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure usbdev_release [2021-11-04 00:04:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usbdev_release [2021-11-04 00:04:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_dev [2021-11-04 00:04:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_dev [2021-11-04 00:04:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure hub_init_func2 [2021-11-04 00:04:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_init_func2 [2021-11-04 00:04:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure hub_init_func3 [2021-11-04 00:04:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_init_func3 [2021-11-04 00:04:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-04 00:04:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-04 00:04:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-04 00:04:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-04 00:04:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_both [2021-11-04 00:04:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_both [2021-11-04 00:04:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure hub_probe [2021-11-04 00:04:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_probe [2021-11-04 00:04:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure hub_resume [2021-11-04 00:04:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_resume [2021-11-04 00:04:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure hub_post_reset [2021-11-04 00:04:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_post_reset [2021-11-04 00:04:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure usb_open [2021-11-04 00:04:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_open [2021-11-04 00:04:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_thaw [2021-11-04 00:04:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_thaw [2021-11-04 00:04:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_init [2021-11-04 00:04:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_init [2021-11-04 00:04:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-04 00:04:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure rh_call_control [2021-11-04 00:04:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_call_control [2021-11-04 00:04:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-04 00:04:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_configuration [2021-11-04 00:04:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_configuration [2021-11-04 00:04:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_configuration [2021-11-04 00:04:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_configuration [2021-11-04 00:04:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-04 00:04:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-04 00:04:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure releaseintf [2021-11-04 00:04:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure releaseintf [2021-11-04 00:04:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure hub_power_on [2021-11-04 00:04:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_power_on [2021-11-04 00:04:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_and_verify_device [2021-11-04 00:04:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_and_verify_device [2021-11-04 00:04:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_string [2021-11-04 00:04:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_string [2021-11-04 00:04:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_debounce [2021-11-04 00:04:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_debounce [2021-11-04 00:04:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_bus_resume [2021-11-04 00:04:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_bus_resume [2021-11-04 00:04:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unbind_device [2021-11-04 00:04:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unbind_device [2021-11-04 00:04:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_alloc_bandwidth [2021-11-04 00:04:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_alloc_bandwidth [2021-11-04 00:04:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2021-11-04 00:04:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2021-11-04 00:04:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure generic_resume [2021-11-04 00:04:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_resume [2021-11-04 00:04:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_submit_urb [2021-11-04 00:04:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_submit_urb [2021-11-04 00:04:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-11-04 00:04:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-11-04 00:04:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure usb_probe_device [2021-11-04 00:04:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_probe_device [2021-11-04 00:04:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 00:04:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure driver_disconnect [2021-11-04 00:04:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_disconnect [2021-11-04 00:04:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_disable [2021-11-04 00:04:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_disable [2021-11-04 00:04:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-11-04 00:04:06,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-11-04 00:04:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string_sub [2021-11-04 00:04:06,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string_sub [2021-11-04 00:04:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_restore [2021-11-04 00:04:06,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_restore [2021-11-04 00:04:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_bus_suspend [2021-11-04 00:04:06,043 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_bus_suspend [2021-11-04 00:04:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2021-11-04 00:04:06,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2021-11-04 00:04:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_device [2021-11-04 00:04:06,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_device [2021-11-04 00:04:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure sg_complete [2021-11-04 00:04:06,044 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_complete [2021-11-04 00:04:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure usb_new_device [2021-11-04 00:04:06,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_new_device [2021-11-04 00:04:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2021-11-04 00:04:06,044 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2021-11-04 00:04:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disconnect [2021-11-04 00:04:06,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disconnect [2021-11-04 00:04:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure hub_activate [2021-11-04 00:04:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_activate [2021-11-04 00:04:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_warm_reset [2021-11-04 00:04:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_warm_reset [2021-11-04 00:04:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure finish_port_resume [2021-11-04 00:04:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_port_resume [2021-11-04 00:04:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure hub_set_address [2021-11-04 00:04:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_set_address [2021-11-04 00:04:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-04 00:04:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-04 00:04:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure get_hub_status [2021-11-04 00:04:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hub_status [2021-11-04 00:04:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 00:04:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure set_port_feature [2021-11-04 00:04:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure set_port_feature [2021-11-04 00:04:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2021-11-04 00:04:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2021-11-04 00:04:08,367 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:08,368 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:08,369 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:08,409 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-04 00:04:08,409 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-04 00:04:08,409 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume !false; [2021-11-04 00:04:08,409 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##67: assume false; [2021-11-04 00:04:08,410 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume false; [2021-11-04 00:04:08,410 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##101: assume !false; [2021-11-04 00:04:08,430 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:08,436 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:08,436 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:08,437 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:08,438 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:08,565 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##94: assume false; [2021-11-04 00:04:08,565 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##95: assume !false; [2021-11-04 00:04:08,565 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##80: assume !false; [2021-11-04 00:04:08,565 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##79: assume false; [2021-11-04 00:04:08,565 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2021-11-04 00:04:08,565 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2021-11-04 00:04:08,566 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2021-11-04 00:04:08,566 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2021-11-04 00:04:08,566 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2021-11-04 00:04:08,566 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2021-11-04 00:04:08,599 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:08,599 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:08,767 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume false; [2021-11-04 00:04:08,767 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##251: assume !false; [2021-11-04 00:04:08,767 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume !false; [2021-11-04 00:04:08,768 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume false; [2021-11-04 00:04:09,032 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,037 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2021-11-04 00:04:09,037 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2021-11-04 00:04:09,065 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2021-11-04 00:04:09,066 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; [2021-11-04 00:04:09,083 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2021-11-04 00:04:09,083 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2021-11-04 00:04:09,083 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##48: assume !false; [2021-11-04 00:04:09,083 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume false; [2021-11-04 00:04:09,083 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##36: assume !false; [2021-11-04 00:04:09,083 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume false; [2021-11-04 00:04:09,084 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume !false; [2021-11-04 00:04:09,084 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume false; [2021-11-04 00:04:09,084 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2021-11-04 00:04:09,084 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2021-11-04 00:04:09,084 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-04 00:04:09,084 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume !false; [2021-11-04 00:04:09,084 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume false; [2021-11-04 00:04:09,084 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-04 00:04:09,103 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2021-11-04 00:04:09,103 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2021-11-04 00:04:09,258 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2021-11-04 00:04:09,259 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2021-11-04 00:04:09,472 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,515 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##80: assume !false; [2021-11-04 00:04:09,516 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##79: assume false; [2021-11-04 00:04:09,524 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2021-11-04 00:04:09,524 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; [2021-11-04 00:04:09,567 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume !false; [2021-11-04 00:04:09,567 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; [2021-11-04 00:04:09,580 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,611 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume !false; [2021-11-04 00:04:09,612 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume false; [2021-11-04 00:04:09,612 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2021-11-04 00:04:09,612 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2021-11-04 00:04:09,612 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2021-11-04 00:04:09,612 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2021-11-04 00:04:09,616 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,618 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,622 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,624 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,625 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,629 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,630 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,632 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,636 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,637 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,639 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,643 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,645 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,646 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,650 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,653 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,654 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,658 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,660 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,668 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:09,673 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:10,246 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1299: assume false; [2021-11-04 00:04:10,246 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##297: assume !false; [2021-11-04 00:04:10,246 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##296: assume false; [2021-11-04 00:04:10,247 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume !false; [2021-11-04 00:04:10,247 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##365: assume false; [2021-11-04 00:04:10,247 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##405: assume false; [2021-11-04 00:04:10,247 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##406: assume !false; [2021-11-04 00:04:10,247 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1076: assume false; [2021-11-04 00:04:10,247 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1077: assume !false; [2021-11-04 00:04:10,247 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1036: assume false; [2021-11-04 00:04:10,247 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1037: assume !false; [2021-11-04 00:04:10,248 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2335: assume false; [2021-11-04 00:04:10,248 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2336: assume !false; [2021-11-04 00:04:10,248 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1780: assume !false; [2021-11-04 00:04:10,248 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1779: assume false; [2021-11-04 00:04:10,248 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1739: assume false; [2021-11-04 00:04:10,248 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1740: assume !false; [2021-11-04 00:04:10,248 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume !false; [2021-11-04 00:04:10,248 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##73: assume false; [2021-11-04 00:04:10,249 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume !false; [2021-11-04 00:04:10,249 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume false; [2021-11-04 00:04:10,249 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##629: assume !false; [2021-11-04 00:04:10,249 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##628: assume false; [2021-11-04 00:04:10,249 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1646: assume false; [2021-11-04 00:04:10,249 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1647: assume !false; [2021-11-04 00:04:10,249 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2113: assume !false; [2021-11-04 00:04:10,249 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2112: assume false; [2021-11-04 00:04:10,249 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2072: assume false; [2021-11-04 00:04:10,250 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2073: assume !false; [2021-11-04 00:04:10,250 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##742: assume false; [2021-11-04 00:04:10,250 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##743: assume !false; [2021-11-04 00:04:10,250 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2003: assume !false; [2021-11-04 00:04:10,250 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2002: assume false; [2021-11-04 00:04:10,250 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##702: assume false; [2021-11-04 00:04:10,250 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##703: assume !false; [2021-11-04 00:04:10,250 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1423: assume false; [2021-11-04 00:04:10,250 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1424: assume !false; [2021-11-04 00:04:10,251 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##966: assume !false; [2021-11-04 00:04:10,251 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##965: assume false; [2021-11-04 00:04:10,251 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1300: assume !false; [2021-11-04 00:04:10,251 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1383: assume false; [2021-11-04 00:04:10,251 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1384: assume !false; [2021-11-04 00:04:10,533 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; [2021-11-04 00:04:10,533 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false; [2021-11-04 00:04:10,534 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; [2021-11-04 00:04:10,534 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint put_unaligned_le16_returnLabel: havoc hcd_alloc_coherent_#t~mem2195.base, hcd_alloc_coherent_#t~mem2195.offset; [2021-11-04 00:04:10,534 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint put_unaligned_le32_returnLabel: havoc hcd_alloc_coherent_#t~mem2196.base, hcd_alloc_coherent_#t~mem2196.offset; [2021-11-04 00:04:10,534 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; [2021-11-04 00:04:10,534 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; [2021-11-04 00:04:10,535 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##109: assume !false; [2021-11-04 00:04:10,828 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:10,829 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2021-11-04 00:04:10,829 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2021-11-04 00:04:10,857 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:10,863 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2021-11-04 00:04:10,864 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2021-11-04 00:04:10,957 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##59: assume !false; [2021-11-04 00:04:10,957 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume false; [2021-11-04 00:04:10,957 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##129: assume false; [2021-11-04 00:04:10,957 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume !false; [2021-11-04 00:04:10,957 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##109: assume false; [2021-11-04 00:04:10,957 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume !false; [2021-11-04 00:04:10,958 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##118: assume !false; [2021-11-04 00:04:10,958 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##117: assume false; [2021-11-04 00:04:10,958 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##125: assume !false; [2021-11-04 00:04:10,958 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##124: assume false; [2021-11-04 00:04:10,959 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:10,964 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2021-11-04 00:04:10,964 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2021-11-04 00:04:10,997 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:10,998 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:10,998 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:04:11,033 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##79: assume !false; [2021-11-04 00:04:11,033 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume false; [2021-11-04 00:04:11,034 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2021-11-04 00:04:11,034 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2021-11-04 00:04:11,034 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2021-11-04 00:04:11,034 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2021-11-04 00:04:11,051 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-04 00:09:39,071 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-04 00:09:39,071 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-04 00:09:39,123 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 00:09:39,124 INFO L299 CfgBuilder]: Removed 6660 assume(true) statements. [2021-11-04 00:09:39,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 12:09:39 BoogieIcfgContainer [2021-11-04 00:09:39,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 00:09:39,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 00:09:39,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 00:09:39,135 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 00:09:39,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 12:03:52" (1/3) ... [2021-11-04 00:09:39,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711c4d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 12:09:39, skipping insertion in model container [2021-11-04 00:09:39,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:04:03" (2/3) ... [2021-11-04 00:09:39,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711c4d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 12:09:39, skipping insertion in model container [2021-11-04 00:09:39,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 12:09:39" (3/3) ... [2021-11-04 00:09:39,138 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-usb-core-usbcore.ko.cil.out.i [2021-11-04 00:09:39,141 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 00:09:39,141 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-04 00:09:39,189 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 00:09:39,194 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 [2021-11-04 00:09:39,194 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-04 00:09:39,312 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) [2021-11-04 00:09:39,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-04 00:09:39,315 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 00:09:39,316 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-04 00:09:39,316 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [usb_openErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_openErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-04 00:09:39,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 00:09:39,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1806543426, now seen corresponding path program 1 times [2021-11-04 00:09:39,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 00:09:39,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86413085] [2021-11-04 00:09:39,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 00:09:39,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 00:09:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 00:09:40,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 00:09:40,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 00:09:40,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86413085] [2021-11-04 00:09:40,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86413085] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 00:09:40,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 00:09:40,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-04 00:09:40,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130232309] [2021-11-04 00:09:40,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 00:09:40,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 00:09:40,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 00:09:40,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 00:09:40,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 00:09:40,966 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) [2021-11-04 00:09:43,366 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:09:53,714 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:09:55,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:09:58,683 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:10:01,106 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:10:06,042 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:10:08,897 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:10:12,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:10:32,004 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:10:38,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 00:10:38,327 INFO L93 Difference]: Finished difference Result 26523 states and 39136 transitions. [2021-11-04 00:10:38,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 00:10:38,330 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 [2021-11-04 00:10:38,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 00:10:38,437 INFO L225 Difference]: With dead ends: 26523 [2021-11-04 00:10:38,438 INFO L226 Difference]: Without dead ends: 17607 [2021-11-04 00:10:38,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.59ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 00:10:38,547 INFO L933 BasicCegarLoop]: 1026 mSDtfsCounter, 12578 mSDsluCounter, 12879 mSDsCounter, 0 mSdLazyCounter, 23798 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49765.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12578 SdHoareTripleChecker+Valid, 2022 SdHoareTripleChecker+Invalid, 23809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 114.72ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23798 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55547.49ms IncrementalHoareTripleChecker+Time [2021-11-04 00:10:38,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12578 Valid, 2022 Invalid, 23809 Unknown, 0 Unchecked, 114.72ms Time], IncrementalHoareTripleChecker [3 Valid, 23798 Invalid, 8 Unknown, 0 Unchecked, 55547.49ms Time] [2021-11-04 00:10:38,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17607 states. [2021-11-04 00:10:39,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17607 to 17603. [2021-11-04 00:10:39,051 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) [2021-11-04 00:10:39,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17603 states to 17603 states and 25367 transitions. [2021-11-04 00:10:39,151 INFO L78 Accepts]: Start accepts. Automaton has 17603 states and 25367 transitions. Word has length 7 [2021-11-04 00:10:39,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 00:10:39,152 INFO L470 AbstractCegarLoop]: Abstraction has 17603 states and 25367 transitions. [2021-11-04 00:10:39,153 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) [2021-11-04 00:10:39,153 INFO L276 IsEmpty]: Start isEmpty. Operand 17603 states and 25367 transitions. [2021-11-04 00:10:39,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-04 00:10:39,155 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 00:10:39,155 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] [2021-11-04 00:10:39,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-04 00:10:39,156 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting usb_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [usb_openErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_openErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-04 00:10:39,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 00:10:39,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1524069614, now seen corresponding path program 1 times [2021-11-04 00:10:39,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 00:10:39,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030394265] [2021-11-04 00:10:39,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 00:10:39,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 00:10:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 00:10:40,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 00:10:40,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 00:10:40,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030394265] [2021-11-04 00:10:40,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030394265] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 00:10:40,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 00:10:40,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 00:10:40,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896837728] [2021-11-04 00:10:40,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 00:10:40,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 00:10:40,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 00:10:40,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 00:10:40,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 00:10:40,248 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) [2021-11-04 00:10:42,599 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:10:47,619 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:10:51,290 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:10:53,329 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:11:00,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:11:02,637 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:11:05,655 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:11:07,938 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:11:11,711 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:11:15,267 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:11:41,953 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 [] [2021-11-04 00:11:52,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 00:11:52,511 INFO L93 Difference]: Finished difference Result 35212 states and 51651 transitions. [2021-11-04 00:11:52,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 00:11:52,514 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 [2021-11-04 00:11:52,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 00:11:52,592 INFO L225 Difference]: With dead ends: 35212 [2021-11-04 00:11:52,593 INFO L226 Difference]: Without dead ends: 17611 [2021-11-04 00:11:52,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.21ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 00:11:52,671 INFO L933 BasicCegarLoop]: 668 mSDtfsCounter, 49 mSDsluCounter, 12480 mSDsCounter, 0 mSdLazyCounter, 23680 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61168.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 1335 SdHoareTripleChecker+Invalid, 23690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 106.91ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23680 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70940.65ms IncrementalHoareTripleChecker+Time [2021-11-04 00:11:52,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 1335 Invalid, 23690 Unknown, 0 Unchecked, 106.91ms Time], IncrementalHoareTripleChecker [0 Valid, 23680 Invalid, 10 Unknown, 0 Unchecked, 70940.65ms Time] [2021-11-04 00:11:52,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17611 states. [2021-11-04 00:11:52,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17611 to 17607. [2021-11-04 00:11:53,000 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) [2021-11-04 00:11:53,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17607 states to 17607 states and 25370 transitions. [2021-11-04 00:11:53,069 INFO L78 Accepts]: Start accepts. Automaton has 17607 states and 25370 transitions. Word has length 20 [2021-11-04 00:11:53,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 00:11:53,069 INFO L470 AbstractCegarLoop]: Abstraction has 17607 states and 25370 transitions. [2021-11-04 00:11:53,069 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) [2021-11-04 00:11:53,070 INFO L276 IsEmpty]: Start isEmpty. Operand 17607 states and 25370 transitions. [2021-11-04 00:11:53,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-04 00:11:53,071 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 00:11:53,071 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] [2021-11-04 00:11:53,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-04 00:11:53,072 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting usb_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [usb_openErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_openErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-04 00:11:53,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 00:11:53,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1290030149, now seen corresponding path program 1 times [2021-11-04 00:11:53,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 00:11:53,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252101015] [2021-11-04 00:11:53,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 00:11:53,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 00:11:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 00:11:54,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 00:11:54,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 00:11:54,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252101015] [2021-11-04 00:11:54,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252101015] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 00:11:54,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 00:11:54,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-04 00:11:54,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682098257] [2021-11-04 00:11:54,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 00:11:54,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-04 00:11:54,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 00:11:54,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-04 00:11:54,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-04 00:11:54,175 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) [2021-11-04 00:11:56,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:12:13,903 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:12:16,457 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:12:17,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:12:21,321 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:12:55,119 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:12:57,134 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:12:59,152 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 [] [2021-11-04 00:13:09,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 00:13:09,270 INFO L93 Difference]: Finished difference Result 35290 states and 51763 transitions. [2021-11-04 00:13:09,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-04 00:13:09,271 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 [2021-11-04 00:13:09,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 00:13:09,346 INFO L225 Difference]: With dead ends: 35290 [2021-11-04 00:13:09,346 INFO L226 Difference]: Without dead ends: 17685 [2021-11-04 00:13:09,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 45.74ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-04 00:13:09,450 INFO L933 BasicCegarLoop]: 670 mSDtfsCounter, 167 mSDsluCounter, 37655 mSDsCounter, 0 mSdLazyCounter, 47545 mSolverCounterSat, 11 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65211.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 2676 SdHoareTripleChecker+Invalid, 47562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 164.47ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 47545 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73730.09ms IncrementalHoareTripleChecker+Time [2021-11-04 00:13:09,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 2676 Invalid, 47562 Unknown, 0 Unchecked, 164.47ms Time], IncrementalHoareTripleChecker [11 Valid, 47545 Invalid, 6 Unknown, 0 Unchecked, 73730.09ms Time] [2021-11-04 00:13:09,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17685 states. [2021-11-04 00:13:09,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17685 to 17610. [2021-11-04 00:13:09,787 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) [2021-11-04 00:13:09,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17610 states to 17610 states and 25372 transitions. [2021-11-04 00:13:09,853 INFO L78 Accepts]: Start accepts. Automaton has 17610 states and 25372 transitions. Word has length 24 [2021-11-04 00:13:09,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 00:13:09,853 INFO L470 AbstractCegarLoop]: Abstraction has 17610 states and 25372 transitions. [2021-11-04 00:13:09,854 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) [2021-11-04 00:13:09,854 INFO L276 IsEmpty]: Start isEmpty. Operand 17610 states and 25372 transitions. [2021-11-04 00:13:09,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-04 00:13:09,857 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 00:13:09,857 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] [2021-11-04 00:13:09,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-04 00:13:09,857 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting usb_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [usb_openErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_openErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-04 00:13:09,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 00:13:09,858 INFO L85 PathProgramCache]: Analyzing trace with hash 480683523, now seen corresponding path program 1 times [2021-11-04 00:13:09,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 00:13:09,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854384495] [2021-11-04 00:13:09,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 00:13:09,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 00:13:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 00:13:12,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 00:13:12,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 00:13:12,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854384495] [2021-11-04 00:13:12,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854384495] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 00:13:12,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 00:13:12,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 00:13:12,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281010084] [2021-11-04 00:13:12,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 00:13:12,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 00:13:12,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 00:13:12,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 00:13:12,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 00:13:12,608 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) [2021-11-04 00:13:14,953 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 [] [2021-11-04 00:13:19,552 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:13:22,619 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:13:29,458 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:13:33,603 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:13:35,978 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:13:41,000 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:14:02,521 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 [] [2021-11-04 00:14:09,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 00:14:09,019 INFO L93 Difference]: Finished difference Result 26452 states and 38261 transitions. [2021-11-04 00:14:09,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 00:14:09,020 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 [2021-11-04 00:14:09,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 00:14:09,055 INFO L225 Difference]: With dead ends: 26452 [2021-11-04 00:14:09,056 INFO L226 Difference]: Without dead ends: 8844 [2021-11-04 00:14:09,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.69ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 00:14:09,117 INFO L933 BasicCegarLoop]: 666 mSDtfsCounter, 15 mSDsluCounter, 12514 mSDsCounter, 0 mSdLazyCounter, 23716 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48033.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 23724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 83.10ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23716 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55564.07ms IncrementalHoareTripleChecker+Time [2021-11-04 00:14:09,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 1332 Invalid, 23724 Unknown, 0 Unchecked, 83.10ms Time], IncrementalHoareTripleChecker [1 Valid, 23716 Invalid, 7 Unknown, 0 Unchecked, 55564.07ms Time] [2021-11-04 00:14:09,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8844 states. [2021-11-04 00:14:09,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8844 to 8840. [2021-11-04 00:14:09,273 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) [2021-11-04 00:14:09,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8840 states to 8840 states and 12578 transitions. [2021-11-04 00:14:09,300 INFO L78 Accepts]: Start accepts. Automaton has 8840 states and 12578 transitions. Word has length 24 [2021-11-04 00:14:09,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 00:14:09,301 INFO L470 AbstractCegarLoop]: Abstraction has 8840 states and 12578 transitions. [2021-11-04 00:14:09,301 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) [2021-11-04 00:14:09,301 INFO L276 IsEmpty]: Start isEmpty. Operand 8840 states and 12578 transitions. [2021-11-04 00:14:09,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-04 00:14:09,304 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 00:14:09,304 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] [2021-11-04 00:14:09,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-04 00:14:09,305 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting usb_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [usb_openErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_openErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-04 00:14:09,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 00:14:09,305 INFO L85 PathProgramCache]: Analyzing trace with hash -723551233, now seen corresponding path program 1 times [2021-11-04 00:14:09,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 00:14:09,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852501905] [2021-11-04 00:14:09,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 00:14:09,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 00:14:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 00:14:10,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 00:14:10,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 00:14:10,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852501905] [2021-11-04 00:14:10,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852501905] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 00:14:10,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 00:14:10,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 00:14:10,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046405703] [2021-11-04 00:14:10,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 00:14:10,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 00:14:10,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 00:14:10,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 00:14:10,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 00:14:10,265 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) [2021-11-04 00:14:12,652 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:14:18,619 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:14:22,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:14:30,071 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:14:32,397 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:14:34,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:14:36,628 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:14:39,160 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:14:41,483 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:14:45,598 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:14:49,539 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-04 00:14:55,751 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:15:30,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:15:42,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 00:15:42,265 INFO L93 Difference]: Finished difference Result 16792 states and 24104 transitions. [2021-11-04 00:15:42,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-04 00:15:42,266 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 [2021-11-04 00:15:42,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 00:15:42,328 INFO L225 Difference]: With dead ends: 16792 [2021-11-04 00:15:42,328 INFO L226 Difference]: Without dead ends: 16788 [2021-11-04 00:15:42,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.53ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 00:15:42,339 INFO L933 BasicCegarLoop]: 963 mSDtfsCounter, 11246 mSDsluCounter, 25027 mSDsCounter, 0 mSdLazyCounter, 36231 mSolverCounterSat, 5 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77445.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11246 SdHoareTripleChecker+Valid, 2269 SdHoareTripleChecker+Invalid, 36246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 147.72ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 36231 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 90614.69ms IncrementalHoareTripleChecker+Time [2021-11-04 00:15:42,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11246 Valid, 2269 Invalid, 36246 Unknown, 0 Unchecked, 147.72ms Time], IncrementalHoareTripleChecker [5 Valid, 36231 Invalid, 10 Unknown, 0 Unchecked, 90614.69ms Time] [2021-11-04 00:15:42,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16788 states. [2021-11-04 00:15:42,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16788 to 16782. [2021-11-04 00:15:42,624 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) [2021-11-04 00:15:42,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16782 states to 16782 states and 24093 transitions. [2021-11-04 00:15:42,687 INFO L78 Accepts]: Start accepts. Automaton has 16782 states and 24093 transitions. Word has length 26 [2021-11-04 00:15:42,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 00:15:42,687 INFO L470 AbstractCegarLoop]: Abstraction has 16782 states and 24093 transitions. [2021-11-04 00:15:42,688 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) [2021-11-04 00:15:42,688 INFO L276 IsEmpty]: Start isEmpty. Operand 16782 states and 24093 transitions. [2021-11-04 00:15:42,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-04 00:15:42,689 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 00:15:42,690 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] [2021-11-04 00:15:42,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-04 00:15:42,690 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [usb_openErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_openErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-04 00:15:42,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 00:15:42,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1251868075, now seen corresponding path program 1 times [2021-11-04 00:15:42,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 00:15:42,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537733072] [2021-11-04 00:15:42,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 00:15:42,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 00:15:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 00:15:45,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-04 00:15:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 00:15:45,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 00:15:45,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 00:15:45,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537733072] [2021-11-04 00:15:45,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537733072] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 00:15:45,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 00:15:45,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-04 00:15:45,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313907606] [2021-11-04 00:15:45,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 00:15:45,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-04 00:15:45,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 00:15:45,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-04 00:15:45,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-04 00:15:45,676 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) [2021-11-04 00:15:48,065 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:16:04,253 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:16:06,288 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:16:37,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:16:40,359 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:16:45,001 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:16:48,234 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 00:16:51,175 WARN L515 Checker$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