./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.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 e91317f289ae08033f6458d219d3b71fd8a7791b2777f777b60194968c497219 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 04:04:58,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 04:04:58,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 04:04:58,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 04:04:58,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 04:04:58,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 04:04:58,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 04:04:58,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 04:04:58,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 04:04:58,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 04:04:58,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 04:04:58,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 04:04:58,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 04:04:58,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 04:04:58,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 04:04:58,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 04:04:58,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 04:04:58,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 04:04:58,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 04:04:58,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 04:04:58,344 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 04:04:58,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 04:04:58,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 04:04:58,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 04:04:58,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 04:04:58,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 04:04:58,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 04:04:58,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 04:04:58,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 04:04:58,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 04:04:58,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 04:04:58,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 04:04:58,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 04:04:58,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 04:04:58,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 04:04:58,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 04:04:58,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 04:04:58,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 04:04:58,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 04:04:58,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 04:04:58,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 04:04:58,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 04:04:58,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 04:04:58,387 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 04:04:58,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 04:04:58,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 04:04:58,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 04:04:58,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 04:04:58,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 04:04:58,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 04:04:58,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 04:04:58,390 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 04:04:58,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 04:04:58,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 04:04:58,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 04:04:58,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 04:04:58,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 04:04:58,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 04:04:58,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 04:04:58,392 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 04:04:58,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 04:04:58,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 04:04:58,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 04:04:58,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 04:04:58,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 04:04:58,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 04:04:58,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 04:04:58,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 04:04:58,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 04:04:58,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 04:04:58,394 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 04:04:58,395 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 04:04:58,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 04:04:58,395 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e91317f289ae08033f6458d219d3b71fd8a7791b2777f777b60194968c497219 [2022-07-23 04:04:58,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 04:04:58,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 04:04:58,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 04:04:58,644 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 04:04:58,644 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 04:04:58,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-23 04:04:58,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/219d016ed/93800697742d4c24800cabaa490b0467/FLAG8f03165ab [2022-07-23 04:04:59,433 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 04:04:59,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-23 04:04:59,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/219d016ed/93800697742d4c24800cabaa490b0467/FLAG8f03165ab [2022-07-23 04:04:59,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/219d016ed/93800697742d4c24800cabaa490b0467 [2022-07-23 04:04:59,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 04:04:59,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 04:04:59,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 04:04:59,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 04:04:59,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 04:04:59,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:04:59" (1/1) ... [2022-07-23 04:04:59,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9562cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:59, skipping insertion in model container [2022-07-23 04:04:59,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:04:59" (1/1) ... [2022-07-23 04:04:59,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 04:04:59,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 04:05:03,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580326,580339] [2022-07-23 04:05:03,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580473,580486] [2022-07-23 04:05:03,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580612,580625] [2022-07-23 04:05:03,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580770,580783] [2022-07-23 04:05:03,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 04:05:03,206 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 04:05:03,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580326,580339] [2022-07-23 04:05:03,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580473,580486] [2022-07-23 04:05:03,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580612,580625] [2022-07-23 04:05:03,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580770,580783] [2022-07-23 04:05:03,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 04:05:03,865 INFO L208 MainTranslator]: Completed translation [2022-07-23 04:05:03,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:03 WrapperNode [2022-07-23 04:05:03,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 04:05:03,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 04:05:03,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 04:05:03,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 04:05:03,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:03" (1/1) ... [2022-07-23 04:05:04,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:03" (1/1) ... [2022-07-23 04:05:04,290 INFO L137 Inliner]: procedures = 524, calls = 8711, calls flagged for inlining = 290, calls inlined = 230, statements flattened = 13004 [2022-07-23 04:05:04,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 04:05:04,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 04:05:04,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 04:05:04,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 04:05:04,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:03" (1/1) ... [2022-07-23 04:05:04,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:03" (1/1) ... [2022-07-23 04:05:04,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:03" (1/1) ... [2022-07-23 04:05:04,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:03" (1/1) ... [2022-07-23 04:05:04,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:03" (1/1) ... [2022-07-23 04:05:04,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:03" (1/1) ... [2022-07-23 04:05:04,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:03" (1/1) ... [2022-07-23 04:05:04,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 04:05:04,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 04:05:04,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 04:05:04,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 04:05:04,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:03" (1/1) ... [2022-07-23 04:05:04,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 04:05:04,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:05:04,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 04:05:04,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 04:05:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 04:05:04,856 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 04:05:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-23 04:05:04,856 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-23 04:05:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 04:05:04,920 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 04:05:04,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 04:05:04,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 04:05:04,920 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2022-07-23 04:05:04,920 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2022-07-23 04:05:04,920 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2022-07-23 04:05:04,921 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2022-07-23 04:05:04,921 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2022-07-23 04:05:04,921 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2022-07-23 04:05:04,921 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2022-07-23 04:05:04,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2022-07-23 04:05:04,921 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2022-07-23 04:05:04,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2022-07-23 04:05:04,921 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2022-07-23 04:05:04,921 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2022-07-23 04:05:04,921 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-07-23 04:05:04,921 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-07-23 04:05:04,921 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-07-23 04:05:04,921 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2022-07-23 04:05:04,921 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2022-07-23 04:05:04,921 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2022-07-23 04:05:04,921 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2022-07-23 04:05:04,921 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2022-07-23 04:05:04,921 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2022-07-23 04:05:04,921 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2022-07-23 04:05:04,922 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2022-07-23 04:05:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 04:05:04,922 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 04:05:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-23 04:05:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2022-07-23 04:05:04,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2022-07-23 04:05:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2022-07-23 04:05:04,922 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2022-07-23 04:05:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 04:05:04,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 04:05:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-23 04:05:04,922 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-23 04:05:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 04:05:04,922 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 04:05:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 04:05:04,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 04:05:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 04:05:04,922 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 04:05:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-07-23 04:05:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-07-23 04:05:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 04:05:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-07-23 04:05:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-07-23 04:05:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2022-07-23 04:05:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2022-07-23 04:05:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2022-07-23 04:05:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2022-07-23 04:05:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-23 04:05:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-23 04:05:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-23 04:05:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-23 04:05:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2022-07-23 04:05:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2022-07-23 04:05:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 04:05:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 04:05:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2022-07-23 04:05:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2022-07-23 04:05:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 04:05:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2022-07-23 04:05:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2022-07-23 04:05:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 04:05:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 04:05:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-07-23 04:05:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-07-23 04:05:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 04:05:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2022-07-23 04:05:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2022-07-23 04:05:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 04:05:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 04:05:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2022-07-23 04:05:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2022-07-23 04:05:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2022-07-23 04:05:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2022-07-23 04:05:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-23 04:05:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-23 04:05:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 04:05:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-07-23 04:05:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-07-23 04:05:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 04:05:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 04:05:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 04:05:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 04:05:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-23 04:05:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-23 04:05:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 04:05:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 04:05:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2022-07-23 04:05:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2022-07-23 04:05:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-23 04:05:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-23 04:05:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2022-07-23 04:05:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2022-07-23 04:05:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-07-23 04:05:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-23 04:05:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-23 04:05:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-07-23 04:05:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-07-23 04:05:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 04:05:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-07-23 04:05:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-07-23 04:05:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2022-07-23 04:05:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2022-07-23 04:05:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 04:05:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2022-07-23 04:05:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2022-07-23 04:05:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 04:05:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 04:05:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 04:05:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 04:05:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2022-07-23 04:05:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2022-07-23 04:05:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 04:05:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 04:05:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2022-07-23 04:05:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2022-07-23 04:05:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-23 04:05:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-23 04:05:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2022-07-23 04:05:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2022-07-23 04:05:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2022-07-23 04:05:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2022-07-23 04:05:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2022-07-23 04:05:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2022-07-23 04:05:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2022-07-23 04:05:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2022-07-23 04:05:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-07-23 04:05:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-07-23 04:05:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2022-07-23 04:05:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2022-07-23 04:05:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 04:05:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 04:05:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-23 04:05:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-23 04:05:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 04:05:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 04:05:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 04:05:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 04:05:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-23 04:05:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-23 04:05:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2022-07-23 04:05:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2022-07-23 04:05:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-23 04:05:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-23 04:05:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2022-07-23 04:05:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2022-07-23 04:05:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-07-23 04:05:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-07-23 04:05:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-07-23 04:05:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-07-23 04:05:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-07-23 04:05:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-07-23 04:05:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-23 04:05:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-23 04:05:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2022-07-23 04:05:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2022-07-23 04:05:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-07-23 04:05:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-07-23 04:05:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 04:05:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 04:05:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2022-07-23 04:05:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2022-07-23 04:05:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2022-07-23 04:05:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2022-07-23 04:05:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2022-07-23 04:05:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2022-07-23 04:05:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 04:05:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 04:05:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2022-07-23 04:05:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2022-07-23 04:05:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-23 04:05:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-23 04:05:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2022-07-23 04:05:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2022-07-23 04:05:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2022-07-23 04:05:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2022-07-23 04:05:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-23 04:05:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-23 04:05:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-23 04:05:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-23 04:05:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-07-23 04:05:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-07-23 04:05:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2022-07-23 04:05:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2022-07-23 04:05:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-23 04:05:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-23 04:05:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2022-07-23 04:05:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2022-07-23 04:05:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2022-07-23 04:05:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2022-07-23 04:05:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 04:05:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 04:05:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 04:05:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2022-07-23 04:05:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2022-07-23 04:05:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 04:05:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2022-07-23 04:05:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2022-07-23 04:05:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2022-07-23 04:05:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2022-07-23 04:05:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-23 04:05:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-23 04:05:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2022-07-23 04:05:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2022-07-23 04:05:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 04:05:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-23 04:05:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-23 04:05:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-23 04:05:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-23 04:05:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 04:05:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 04:05:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-23 04:05:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-23 04:05:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2022-07-23 04:05:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2022-07-23 04:05:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 04:05:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 04:05:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-23 04:05:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-23 04:05:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-23 04:05:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-23 04:05:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 04:05:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 04:05:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2022-07-23 04:05:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2022-07-23 04:05:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-23 04:05:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-23 04:05:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 04:05:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 04:05:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-23 04:05:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-23 04:05:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2022-07-23 04:05:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2022-07-23 04:05:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-07-23 04:05:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-07-23 04:05:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2022-07-23 04:05:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2022-07-23 04:05:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2022-07-23 04:05:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2022-07-23 04:05:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-23 04:05:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-23 04:05:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2022-07-23 04:05:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2022-07-23 04:05:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2022-07-23 04:05:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2022-07-23 04:05:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 04:05:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 04:05:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 04:05:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 04:05:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 04:05:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-07-23 04:05:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-07-23 04:05:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-07-23 04:05:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-07-23 04:05:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 04:05:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 04:05:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2022-07-23 04:05:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2022-07-23 04:05:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-23 04:05:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-23 04:05:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2022-07-23 04:05:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2022-07-23 04:05:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2022-07-23 04:05:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2022-07-23 04:05:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-07-23 04:05:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-07-23 04:05:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2022-07-23 04:05:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2022-07-23 04:05:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2022-07-23 04:05:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2022-07-23 04:05:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-07-23 04:05:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-07-23 04:05:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-23 04:05:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-23 04:05:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-07-23 04:05:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-07-23 04:05:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-23 04:05:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-23 04:05:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-23 04:05:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-23 04:05:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2022-07-23 04:05:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2022-07-23 04:05:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2022-07-23 04:05:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2022-07-23 04:05:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 04:05:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 04:05:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2022-07-23 04:05:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2022-07-23 04:05:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2022-07-23 04:05:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2022-07-23 04:05:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2022-07-23 04:05:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2022-07-23 04:05:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-07-23 04:05:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-07-23 04:05:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-07-23 04:05:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-07-23 04:05:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2022-07-23 04:05:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2022-07-23 04:05:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2022-07-23 04:05:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2022-07-23 04:05:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 04:05:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-07-23 04:05:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-07-23 04:05:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2022-07-23 04:05:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2022-07-23 04:05:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 04:05:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 04:05:05,756 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 04:05:05,759 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 04:05:05,876 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 04:05:06,138 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10812: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-23 04:05:06,138 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10816: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-23 04:05:06,139 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10870: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1056#1 && __copy_to_user_nocheck_#t~ret1056#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~16#1 := __copy_to_user_nocheck_#t~ret1056#1;havoc __copy_to_user_nocheck_#t~ret1056#1; [2022-07-23 04:05:06,139 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10858: assume 0 != __copy_to_user_nocheck_~tmp___0~26#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-23 04:05:06,139 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10858: assume !(0 != __copy_to_user_nocheck_~tmp___0~26#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-23 04:05:06,139 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10835: SUMMARY for call __copy_to_user_nocheck_#t~ret1057#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2022-07-23 04:05:06,139 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10872: assume 0 != __copy_to_user_nocheck_~tmp___1~16#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-23 04:05:06,139 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10872: assume !(0 != __copy_to_user_nocheck_~tmp___1~16#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-23 04:05:06,140 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-23 04:05:06,140 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-23 04:05:06,140 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-23 04:05:06,140 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-23 04:05:06,140 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-23 04:05:06,140 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-23 04:05:06,140 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-23 04:05:06,140 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10856: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1055#1 && __copy_to_user_nocheck_#t~ret1055#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~26#1 := __copy_to_user_nocheck_#t~ret1055#1;havoc __copy_to_user_nocheck_#t~ret1055#1; [2022-07-23 04:05:06,141 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-23 04:05:06,141 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-23 04:05:06,141 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-23 04:05:06,141 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-23 04:05:06,141 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-23 04:05:06,141 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10828: SUMMARY for call __copy_to_user_nocheck_#t~ret1055#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2022-07-23 04:05:06,141 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10832: SUMMARY for call __copy_to_user_nocheck_#t~ret1056#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2022-07-23 04:05:06,142 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10820: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-23 04:05:06,142 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882: __copy_to_user_nocheck_~tmp___2~11#1 := __copy_to_user_nocheck_#t~ret1057#1;havoc __copy_to_user_nocheck_#t~ret1057#1;__copy_to_user_nocheck_#res#1 := (if __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-07-23 04:05:06,142 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10824: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-23 04:05:07,899 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10779: __copy_from_user_nocheck_~tmp___2~10#1 := __copy_from_user_nocheck_#t~ret1052#1;havoc __copy_from_user_nocheck_#t~ret1052#1;__copy_from_user_nocheck_#res#1 := (if __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-07-23 04:05:07,900 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10767: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1051#1 && __copy_from_user_nocheck_#t~ret1051#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~15#1 := __copy_from_user_nocheck_#t~ret1051#1;havoc __copy_from_user_nocheck_#t~ret1051#1; [2022-07-23 04:05:07,900 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-23 04:05:07,900 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-23 04:05:07,900 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10726: SUMMARY for call __copy_from_user_nocheck_#t~ret1052#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2022-07-23 04:05:07,900 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-23 04:05:07,900 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-23 04:05:07,900 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-23 04:05:07,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-23 04:05:07,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-23 04:05:07,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-23 04:05:07,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-23 04:05:07,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-23 04:05:07,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10723: SUMMARY for call __copy_from_user_nocheck_#t~ret1051#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2022-07-23 04:05:07,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10715: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-23 04:05:07,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10752: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1050#1 && __copy_from_user_nocheck_#t~ret1050#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~25#1 := __copy_from_user_nocheck_#t~ret1050#1;havoc __copy_from_user_nocheck_#t~ret1050#1; [2022-07-23 04:05:07,902 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10719: SUMMARY for call __copy_from_user_nocheck_#t~ret1050#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2022-07-23 04:05:07,902 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10707: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-23 04:05:07,902 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10711: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-23 04:05:07,902 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10769: assume 0 != __copy_from_user_nocheck_~tmp___1~15#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-23 04:05:07,902 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10769: assume !(0 != __copy_from_user_nocheck_~tmp___1~15#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-23 04:05:07,902 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10703: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-23 04:05:07,902 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-23 04:05:07,902 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-23 04:05:07,902 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10754: assume 0 != __copy_from_user_nocheck_~tmp___0~25#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-23 04:05:07,903 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10754: assume !(0 != __copy_from_user_nocheck_~tmp___0~25#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-23 04:07:27,407 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 04:07:27,435 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 04:07:27,436 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-23 04:07:27,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:07:27 BoogieIcfgContainer [2022-07-23 04:07:27,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 04:07:27,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 04:07:27,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 04:07:27,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 04:07:27,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 04:04:59" (1/3) ... [2022-07-23 04:07:27,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a972c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:07:27, skipping insertion in model container [2022-07-23 04:07:27,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:03" (2/3) ... [2022-07-23 04:07:27,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a972c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:07:27, skipping insertion in model container [2022-07-23 04:07:27,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:07:27" (3/3) ... [2022-07-23 04:07:27,458 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-23 04:07:27,470 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 04:07:27,471 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-23 04:07:27,581 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 04:07:27,593 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1d1b38fa, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@678ab509 [2022-07-23 04:07:27,593 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-23 04:07:27,609 INFO L276 IsEmpty]: Start isEmpty. Operand has 2974 states, 2238 states have (on average 1.3762287756925826) internal successors, (3080), 2281 states have internal predecessors, (3080), 584 states have call successors, (584), 148 states have call predecessors, (584), 147 states have return successors, (577), 568 states have call predecessors, (577), 577 states have call successors, (577) [2022-07-23 04:07:27,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-23 04:07:27,625 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:07:27,627 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1] [2022-07-23 04:07:27,627 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:07:27,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:07:27,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1289295384, now seen corresponding path program 1 times [2022-07-23 04:07:27,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:07:27,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365549245] [2022-07-23 04:07:27,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:07:27,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:07:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:28,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:07:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:28,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:07:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:28,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:07:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:28,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 04:07:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:28,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 04:07:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:28,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:07:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:28,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-23 04:07:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:28,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:07:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:28,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:07:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:28,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:07:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:28,897 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-07-23 04:07:28,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:07:28,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365549245] [2022-07-23 04:07:28,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365549245] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:07:28,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:07:28,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 04:07:28,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900119923] [2022-07-23 04:07:28,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:07:28,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:07:28,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:07:28,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:07:28,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:07:28,930 INFO L87 Difference]: Start difference. First operand has 2974 states, 2238 states have (on average 1.3762287756925826) internal successors, (3080), 2281 states have internal predecessors, (3080), 584 states have call successors, (584), 148 states have call predecessors, (584), 147 states have return successors, (577), 568 states have call predecessors, (577), 577 states have call successors, (577) Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-23 04:07:31,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:07:34,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:07:38,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:07:46,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:07:46,315 INFO L93 Difference]: Finished difference Result 9399 states and 13635 transitions. [2022-07-23 04:07:46,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:07:46,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 75 [2022-07-23 04:07:46,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:07:46,364 INFO L225 Difference]: With dead ends: 9399 [2022-07-23 04:07:46,364 INFO L226 Difference]: Without dead ends: 5637 [2022-07-23 04:07:46,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 04:07:46,397 INFO L413 NwaCegarLoop]: 6702 mSDtfsCounter, 5431 mSDsluCounter, 11433 mSDsCounter, 0 mSdLazyCounter, 4746 mSolverCounterSat, 1510 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5904 SdHoareTripleChecker+Valid, 18135 SdHoareTripleChecker+Invalid, 6259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1510 IncrementalHoareTripleChecker+Valid, 4746 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-07-23 04:07:46,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5904 Valid, 18135 Invalid, 6259 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1510 Valid, 4746 Invalid, 3 Unknown, 0 Unchecked, 16.7s Time] [2022-07-23 04:07:46,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5637 states. [2022-07-23 04:07:46,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5637 to 5024. [2022-07-23 04:07:46,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5024 states, 3822 states have (on average 1.360282574568289) internal successors, (5199), 3874 states have internal predecessors, (5199), 936 states have call successors, (936), 263 states have call predecessors, (936), 262 states have return successors, (935), 918 states have call predecessors, (935), 932 states have call successors, (935) [2022-07-23 04:07:46,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5024 states to 5024 states and 7070 transitions. [2022-07-23 04:07:46,619 INFO L78 Accepts]: Start accepts. Automaton has 5024 states and 7070 transitions. Word has length 75 [2022-07-23 04:07:46,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:07:46,620 INFO L495 AbstractCegarLoop]: Abstraction has 5024 states and 7070 transitions. [2022-07-23 04:07:46,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-23 04:07:46,620 INFO L276 IsEmpty]: Start isEmpty. Operand 5024 states and 7070 transitions. [2022-07-23 04:07:46,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-23 04:07:46,631 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:07:46,631 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:07:46,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 04:07:46,632 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:07:46,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:07:46,632 INFO L85 PathProgramCache]: Analyzing trace with hash -302318001, now seen corresponding path program 1 times [2022-07-23 04:07:46,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:07:46,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343540193] [2022-07-23 04:07:46,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:07:46,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:07:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:07:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:07:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:07:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 04:07:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 04:07:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:07:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 04:07:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:07:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:07:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:07:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:07:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:07:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:07:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:07:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 04:07:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:07:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:07:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:07:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:07:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:07:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:07:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:07:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 04:07:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:07:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:07:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:07:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 04:07:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:07:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:07:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:07:47,437 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-07-23 04:07:47,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:07:47,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343540193] [2022-07-23 04:07:47,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343540193] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:07:47,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:07:47,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:07:47,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638069722] [2022-07-23 04:07:47,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:07:47,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:07:47,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:07:47,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:07:47,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:07:47,441 INFO L87 Difference]: Start difference. First operand 5024 states and 7070 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-23 04:07:49,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:07:53,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:07:55,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:07:59,842 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:08:13,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:08:13,996 INFO L93 Difference]: Finished difference Result 6538 states and 9432 transitions. [2022-07-23 04:08:13,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 04:08:13,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 182 [2022-07-23 04:08:13,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:08:14,042 INFO L225 Difference]: With dead ends: 6538 [2022-07-23 04:08:14,042 INFO L226 Difference]: Without dead ends: 6536 [2022-07-23 04:08:14,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-07-23 04:08:14,051 INFO L413 NwaCegarLoop]: 6473 mSDtfsCounter, 6459 mSDsluCounter, 11688 mSDsCounter, 0 mSdLazyCounter, 5565 mSolverCounterSat, 2722 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7031 SdHoareTripleChecker+Valid, 18161 SdHoareTripleChecker+Invalid, 8291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2722 IncrementalHoareTripleChecker+Valid, 5565 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:08:14,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7031 Valid, 18161 Invalid, 8291 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2722 Valid, 5565 Invalid, 4 Unknown, 0 Unchecked, 26.0s Time] [2022-07-23 04:08:14,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6536 states. [2022-07-23 04:08:14,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6536 to 5065. [2022-07-23 04:08:14,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5065 states, 3849 states have (on average 1.357755261106781) internal successors, (5226), 3901 states have internal predecessors, (5226), 942 states have call successors, (942), 271 states have call predecessors, (942), 270 states have return successors, (941), 924 states have call predecessors, (941), 938 states have call successors, (941) [2022-07-23 04:08:14,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5065 states to 5065 states and 7109 transitions. [2022-07-23 04:08:14,271 INFO L78 Accepts]: Start accepts. Automaton has 5065 states and 7109 transitions. Word has length 182 [2022-07-23 04:08:14,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:08:14,273 INFO L495 AbstractCegarLoop]: Abstraction has 5065 states and 7109 transitions. [2022-07-23 04:08:14,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-23 04:08:14,274 INFO L276 IsEmpty]: Start isEmpty. Operand 5065 states and 7109 transitions. [2022-07-23 04:08:14,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-23 04:08:14,281 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:08:14,281 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:08:14,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 04:08:14,282 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:08:14,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:08:14,283 INFO L85 PathProgramCache]: Analyzing trace with hash 112075293, now seen corresponding path program 1 times [2022-07-23 04:08:14,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:08:14,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733196172] [2022-07-23 04:08:14,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:08:14,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:08:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:08:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:08:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:08:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 04:08:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 04:08:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:08:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 04:08:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:08:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:08:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:08:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:08:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:08:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:08:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:08:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 04:08:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:08:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:08:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:08:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:08:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:08:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:08:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:08:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 04:08:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:08:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:08:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:08:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 04:08:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:08:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:08:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 04:08:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-23 04:08:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 04:08:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 04:08:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 04:08:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 04:08:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 04:08:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:08:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:08:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 04:08:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 04:08:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-23 04:08:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:15,455 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-07-23 04:08:15,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:08:15,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733196172] [2022-07-23 04:08:15,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733196172] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:08:15,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:08:15,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 04:08:15,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733972397] [2022-07-23 04:08:15,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:08:15,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 04:08:15,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:08:15,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 04:08:15,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-23 04:08:15,458 INFO L87 Difference]: Start difference. First operand 5065 states and 7109 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-23 04:08:17,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:08:19,598 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:08:23,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:08:25,312 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:08:28,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:08:43,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:08:45,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:08:45,381 INFO L93 Difference]: Finished difference Result 10252 states and 14599 transitions. [2022-07-23 04:08:45,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:08:45,382 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 260 [2022-07-23 04:08:45,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:08:45,414 INFO L225 Difference]: With dead ends: 10252 [2022-07-23 04:08:45,415 INFO L226 Difference]: Without dead ends: 7472 [2022-07-23 04:08:45,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-23 04:08:45,428 INFO L413 NwaCegarLoop]: 5055 mSDtfsCounter, 5046 mSDsluCounter, 11073 mSDsCounter, 0 mSdLazyCounter, 6423 mSolverCounterSat, 2974 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5156 SdHoareTripleChecker+Valid, 16128 SdHoareTripleChecker+Invalid, 9402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2974 IncrementalHoareTripleChecker+Valid, 6423 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2022-07-23 04:08:45,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5156 Valid, 16128 Invalid, 9402 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2974 Valid, 6423 Invalid, 5 Unknown, 0 Unchecked, 29.4s Time] [2022-07-23 04:08:45,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7472 states. [2022-07-23 04:08:45,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7472 to 5069. [2022-07-23 04:08:45,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5069 states, 3853 states have (on average 1.3573838567350116) internal successors, (5230), 3905 states have internal predecessors, (5230), 942 states have call successors, (942), 271 states have call predecessors, (942), 270 states have return successors, (941), 924 states have call predecessors, (941), 938 states have call successors, (941) [2022-07-23 04:08:45,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5069 states to 5069 states and 7113 transitions. [2022-07-23 04:08:45,599 INFO L78 Accepts]: Start accepts. Automaton has 5069 states and 7113 transitions. Word has length 260 [2022-07-23 04:08:45,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:08:45,600 INFO L495 AbstractCegarLoop]: Abstraction has 5069 states and 7113 transitions. [2022-07-23 04:08:45,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-23 04:08:45,601 INFO L276 IsEmpty]: Start isEmpty. Operand 5069 states and 7113 transitions. [2022-07-23 04:08:45,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-07-23 04:08:45,609 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:08:45,609 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:08:45,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 04:08:45,609 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:08:45,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:08:45,610 INFO L85 PathProgramCache]: Analyzing trace with hash -894458586, now seen corresponding path program 1 times [2022-07-23 04:08:45,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:08:45,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269869677] [2022-07-23 04:08:45,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:08:45,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:08:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:08:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:08:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:08:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 04:08:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 04:08:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:08:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 04:08:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:08:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:08:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:08:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:08:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:08:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:08:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:08:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 04:08:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:08:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:08:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:08:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:08:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:08:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:08:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:08:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 04:08:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:08:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:08:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:08:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 04:08:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:08:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:08:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 04:08:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-23 04:08:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 04:08:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 04:08:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 04:08:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 04:08:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 04:08:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:08:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:08:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 04:08:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-23 04:08:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 04:08:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:08:46,355 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-07-23 04:08:46,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:08:46,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269869677] [2022-07-23 04:08:46,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269869677] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:08:46,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:08:46,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:08:46,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996944124] [2022-07-23 04:08:46,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:08:46,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:08:46,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:08:46,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:08:46,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:08:46,358 INFO L87 Difference]: Start difference. First operand 5069 states and 7113 transitions. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-23 04:08:48,496 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:08:50,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:08:52,536 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:08:56,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:08:58,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:09:00,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:09:03,102 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:09:18,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:09:18,103 INFO L93 Difference]: Finished difference Result 11061 states and 15708 transitions. [2022-07-23 04:09:18,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 04:09:18,104 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 270 [2022-07-23 04:09:18,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:09:18,124 INFO L225 Difference]: With dead ends: 11061 [2022-07-23 04:09:18,125 INFO L226 Difference]: Without dead ends: 6064 [2022-07-23 04:09:18,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-23 04:09:18,134 INFO L413 NwaCegarLoop]: 3864 mSDtfsCounter, 2229 mSDsluCounter, 7975 mSDsCounter, 0 mSdLazyCounter, 5318 mSolverCounterSat, 1619 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2338 SdHoareTripleChecker+Valid, 11839 SdHoareTripleChecker+Invalid, 6944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1619 IncrementalHoareTripleChecker+Valid, 5318 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.2s IncrementalHoareTripleChecker+Time [2022-07-23 04:09:18,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2338 Valid, 11839 Invalid, 6944 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1619 Valid, 5318 Invalid, 7 Unknown, 0 Unchecked, 31.2s Time] [2022-07-23 04:09:18,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6064 states. [2022-07-23 04:09:18,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6064 to 5071. [2022-07-23 04:09:18,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5071 states, 3855 states have (on average 1.3571984435797666) internal successors, (5232), 3907 states have internal predecessors, (5232), 942 states have call successors, (942), 271 states have call predecessors, (942), 270 states have return successors, (941), 924 states have call predecessors, (941), 938 states have call successors, (941) [2022-07-23 04:09:18,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5071 states to 5071 states and 7115 transitions. [2022-07-23 04:09:18,260 INFO L78 Accepts]: Start accepts. Automaton has 5071 states and 7115 transitions. Word has length 270 [2022-07-23 04:09:18,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:09:18,261 INFO L495 AbstractCegarLoop]: Abstraction has 5071 states and 7115 transitions. [2022-07-23 04:09:18,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-23 04:09:18,261 INFO L276 IsEmpty]: Start isEmpty. Operand 5071 states and 7115 transitions. [2022-07-23 04:09:18,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-07-23 04:09:18,266 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:09:18,266 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:09:18,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 04:09:18,266 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:09:18,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:09:18,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1555141544, now seen corresponding path program 1 times [2022-07-23 04:09:18,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:09:18,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984229511] [2022-07-23 04:09:18,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:09:18,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:09:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:18,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:09:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:18,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:09:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:18,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:09:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:18,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 04:09:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:18,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 04:09:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:18,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 04:09:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 04:09:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:09:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:09:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:09:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:09:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:09:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:09:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:09:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 04:09:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:09:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:09:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:09:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:09:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:09:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:09:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:09:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 04:09:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:09:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:09:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:09:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 04:09:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:09:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:09:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 04:09:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-23 04:09:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 04:09:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 04:09:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 04:09:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 04:09:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 04:09:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:09:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:09:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 04:09:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-23 04:09:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 04:09:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:09:19,470 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-07-23 04:09:19,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:09:19,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984229511] [2022-07-23 04:09:19,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984229511] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:09:19,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:09:19,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 04:09:19,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121015324] [2022-07-23 04:09:19,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:09:19,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 04:09:19,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:09:19,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 04:09:19,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-23 04:09:19,474 INFO L87 Difference]: Start difference. First operand 5071 states and 7115 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-23 04:09:21,647 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []