./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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_complex_emg_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 a521111bd175d3310336dcb5a96ef10ad6928036ed2148cdf12f5390a99f6bb7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 16:36:00,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:36:00,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:36:00,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:36:00,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:36:00,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:36:00,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:36:00,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:36:00,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:36:00,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:36:00,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:36:00,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:36:00,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:36:00,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:36:00,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:36:00,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:36:00,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:36:00,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:36:00,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:36:00,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:36:00,751 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:36:00,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:36:00,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:36:00,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:36:00,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:36:00,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:36:00,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:36:00,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:36:00,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:36:00,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:36:00,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:36:00,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:36:00,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:36:00,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:36:00,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:36:00,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:36:00,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:36:00,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:36:00,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:36:00,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:36:00,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:36:00,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:36:00,770 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:36:00,787 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:36:00,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:36:00,788 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:36:00,788 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:36:00,789 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:36:00,789 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:36:00,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:36:00,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:36:00,790 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:36:00,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:36:00,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:36:00,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:36:00,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:36:00,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:36:00,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:36:00,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:36:00,791 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:36:00,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:36:00,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:36:00,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:36:00,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:36:00,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:36:00,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:36:00,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:36:00,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:36:00,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:36:00,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:36:00,794 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:36:00,794 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:36:00,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:36:00,794 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a521111bd175d3310336dcb5a96ef10ad6928036ed2148cdf12f5390a99f6bb7 [2022-07-12 16:36:00,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:36:00,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:36:00,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:36:00,981 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:36:00,982 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:36:00,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-12 16:36:01,053 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1f941d79/6f2772e9fc4a4091b367d83d3d3907d7/FLAG6cd8ab74f [2022-07-12 16:36:01,784 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:36:01,785 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-12 16:36:01,839 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1f941d79/6f2772e9fc4a4091b367d83d3d3907d7/FLAG6cd8ab74f [2022-07-12 16:36:02,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1f941d79/6f2772e9fc4a4091b367d83d3d3907d7 [2022-07-12 16:36:02,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:36:02,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:36:02,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:36:02,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:36:02,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:36:02,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:36:02" (1/1) ... [2022-07-12 16:36:02,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6e03ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:36:02, skipping insertion in model container [2022-07-12 16:36:02,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:36:02" (1/1) ... [2022-07-12 16:36:02,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:36:02,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:36:06,457 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_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599511,599524] [2022-07-12 16:36:06,460 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_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599658,599671] [2022-07-12 16:36:06,460 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_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599797,599810] [2022-07-12 16:36:06,460 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_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599955,599968] [2022-07-12 16:36:06,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:36:06,550 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:36:07,109 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_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599511,599524] [2022-07-12 16:36:07,110 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_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599658,599671] [2022-07-12 16:36:07,111 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_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599797,599810] [2022-07-12 16:36:07,111 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_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599955,599968] [2022-07-12 16:36:07,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:36:07,290 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:36:07,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:36:07 WrapperNode [2022-07-12 16:36:07,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:36:07,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:36:07,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:36:07,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:36:07,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:36:07" (1/1) ... [2022-07-12 16:36:07,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:36:07" (1/1) ... [2022-07-12 16:36:07,714 INFO L137 Inliner]: procedures = 547, calls = 8793, calls flagged for inlining = 309, calls inlined = 249, statements flattened = 13646 [2022-07-12 16:36:07,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:36:07,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:36:07,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:36:07,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:36:07,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:36:07" (1/1) ... [2022-07-12 16:36:07,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:36:07" (1/1) ... [2022-07-12 16:36:07,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:36:07" (1/1) ... [2022-07-12 16:36:07,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:36:07" (1/1) ... [2022-07-12 16:36:07,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:36:07" (1/1) ... [2022-07-12 16:36:08,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:36:07" (1/1) ... [2022-07-12 16:36:08,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:36:07" (1/1) ... [2022-07-12 16:36:08,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:36:08,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:36:08,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:36:08,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:36:08,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:36:07" (1/1) ... [2022-07-12 16:36:08,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:36:08,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:36:08,242 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) [2022-07-12 16:36:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 16:36:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 16:36:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-12 16:36:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-12 16:36:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:36:08,260 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 [2022-07-12 16:36:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:36:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:36:08,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:36:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2022-07-12 16:36:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2022-07-12 16:36:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2022-07-12 16:36:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2022-07-12 16:36:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2022-07-12 16:36:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2022-07-12 16:36:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2022-07-12 16:36:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2022-07-12 16:36:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2022-07-12 16:36:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2022-07-12 16:36:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2022-07-12 16:36:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2022-07-12 16:36:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-07-12 16:36:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-07-12 16:36:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-07-12 16:36:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2022-07-12 16:36:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2022-07-12 16:36:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2022-07-12 16:36:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2022-07-12 16:36:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2022-07-12 16:36:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2022-07-12 16:36:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2022-07-12 16:36:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2022-07-12 16:36:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 16:36:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 16:36:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-12 16:36:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2022-07-12 16:36:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2022-07-12 16:36:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2022-07-12 16:36:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2022-07-12 16:36:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:36:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:36:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-12 16:36:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-12 16:36:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 16:36:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 16:36:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:36:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:36:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 16:36:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 16:36:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-07-12 16:36:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-07-12 16:36:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:36:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-07-12 16:36:08,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-07-12 16:36:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2022-07-12 16:36:08,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2022-07-12 16:36:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2022-07-12 16:36:08,292 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2022-07-12 16:36:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-12 16:36:08,292 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-12 16:36:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-12 16:36:08,292 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-12 16:36:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2022-07-12 16:36:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2022-07-12 16:36:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 16:36:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 16:36:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2022-07-12 16:36:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2022-07-12 16:36:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 16:36:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2022-07-12 16:36:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2022-07-12 16:36:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 16:36:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 16:36:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-07-12 16:36:08,295 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-07-12 16:36:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 16:36:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2022-07-12 16:36:08,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2022-07-12 16:36:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:36:08,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:36:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2022-07-12 16:36:08,295 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2022-07-12 16:36:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2022-07-12 16:36:08,296 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2022-07-12 16:36:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-12 16:36:08,296 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-12 16:36:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 16:36:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-07-12 16:36:08,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-07-12 16:36:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:36:08,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:36:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 16:36:08,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 16:36:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-12 16:36:08,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-12 16:36:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 16:36:08,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 16:36:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2022-07-12 16:36:08,299 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2022-07-12 16:36:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-12 16:36:08,299 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-12 16:36:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2022-07-12 16:36:08,299 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2022-07-12 16:36:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-07-12 16:36:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-12 16:36:08,300 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-12 16:36:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-07-12 16:36:08,300 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-07-12 16:36:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:36:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-07-12 16:36:08,300 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-07-12 16:36:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 16:36:08,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 16:36:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-12 16:36:08,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-12 16:36:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2022-07-12 16:36:08,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2022-07-12 16:36:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:36:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2022-07-12 16:36:08,303 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2022-07-12 16:36:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:36:08,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:36:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:36:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 16:36:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2022-07-12 16:36:08,304 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2022-07-12 16:36:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 16:36:08,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 16:36:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2022-07-12 16:36:08,304 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2022-07-12 16:36:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-12 16:36:08,304 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-12 16:36:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2022-07-12 16:36:08,305 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2022-07-12 16:36:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2022-07-12 16:36:08,305 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2022-07-12 16:36:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2022-07-12 16:36:08,305 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2022-07-12 16:36:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2022-07-12 16:36:08,305 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2022-07-12 16:36:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-07-12 16:36:08,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-07-12 16:36:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2022-07-12 16:36:08,306 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2022-07-12 16:36:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:36:08,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:36:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-12 16:36:08,306 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-12 16:36:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:36:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:36:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:36:08,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:36:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-12 16:36:08,307 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-12 16:36:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2022-07-12 16:36:08,307 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2022-07-12 16:36:08,307 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-12 16:36:08,308 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-12 16:36:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2022-07-12 16:36:08,308 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2022-07-12 16:36:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-07-12 16:36:08,308 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-07-12 16:36:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-07-12 16:36:08,308 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-07-12 16:36:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-07-12 16:36:08,308 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-07-12 16:36:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-12 16:36:08,309 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-12 16:36:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2022-07-12 16:36:08,309 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2022-07-12 16:36:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-07-12 16:36:08,309 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-07-12 16:36:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 16:36:08,309 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 16:36:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2022-07-12 16:36:08,310 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2022-07-12 16:36:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2022-07-12 16:36:08,310 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2022-07-12 16:36:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2022-07-12 16:36:08,310 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2022-07-12 16:36:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 16:36:08,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 16:36:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2022-07-12 16:36:08,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2022-07-12 16:36:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2022-07-12 16:36:08,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2022-07-12 16:36:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-12 16:36:08,311 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-12 16:36:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2022-07-12 16:36:08,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2022-07-12 16:36:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2022-07-12 16:36:08,312 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2022-07-12 16:36:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-12 16:36:08,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-12 16:36:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-12 16:36:08,312 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-12 16:36:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-07-12 16:36:08,312 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-07-12 16:36:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2022-07-12 16:36:08,313 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2022-07-12 16:36:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-12 16:36:08,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-12 16:36:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2022-07-12 16:36:08,313 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2022-07-12 16:36:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2022-07-12 16:36:08,313 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2022-07-12 16:36:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:36:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 16:36:08,314 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 16:36:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2022-07-12 16:36:08,314 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2022-07-12 16:36:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:36:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2022-07-12 16:36:08,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2022-07-12 16:36:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2022-07-12 16:36:08,315 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2022-07-12 16:36:08,315 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2022-07-12 16:36:08,315 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2022-07-12 16:36:08,315 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-12 16:36:08,315 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-12 16:36:08,315 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2022-07-12 16:36:08,315 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2022-07-12 16:36:08,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:36:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-12 16:36:08,316 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-12 16:36:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-12 16:36:08,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-12 16:36:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 16:36:08,316 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 16:36:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 16:36:08,316 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 16:36:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2022-07-12 16:36:08,317 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2022-07-12 16:36:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 16:36:08,317 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 16:36:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-12 16:36:08,317 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-12 16:36:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-12 16:36:08,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-12 16:36:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:36:08,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:36:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2022-07-12 16:36:08,318 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2022-07-12 16:36:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-12 16:36:08,318 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-12 16:36:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 16:36:08,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 16:36:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 16:36:08,319 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 16:36:08,319 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2022-07-12 16:36:08,319 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2022-07-12 16:36:08,319 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-07-12 16:36:08,319 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-07-12 16:36:08,319 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2022-07-12 16:36:08,319 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2022-07-12 16:36:08,319 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2022-07-12 16:36:08,320 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2022-07-12 16:36:08,320 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-12 16:36:08,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-12 16:36:08,320 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2022-07-12 16:36:08,320 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2022-07-12 16:36:08,320 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2022-07-12 16:36:08,320 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2022-07-12 16:36:08,320 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 16:36:08,320 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 16:36:08,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 16:36:08,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:36:08,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:36:08,321 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-07-12 16:36:08,321 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-07-12 16:36:08,321 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-07-12 16:36:08,321 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-07-12 16:36:08,321 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 16:36:08,322 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 16:36:08,322 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2022-07-12 16:36:08,322 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2022-07-12 16:36:08,322 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 16:36:08,322 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 16:36:08,322 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2022-07-12 16:36:08,322 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2022-07-12 16:36:08,322 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2022-07-12 16:36:08,322 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2022-07-12 16:36:08,323 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-07-12 16:36:08,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-07-12 16:36:08,323 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2022-07-12 16:36:08,323 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2022-07-12 16:36:08,323 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2022-07-12 16:36:08,323 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2022-07-12 16:36:08,323 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-07-12 16:36:08,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-07-12 16:36:08,323 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-12 16:36:08,324 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-12 16:36:08,324 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-07-12 16:36:08,324 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-07-12 16:36:08,324 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-12 16:36:08,324 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-12 16:36:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-12 16:36:08,325 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-12 16:36:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2022-07-12 16:36:08,325 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2022-07-12 16:36:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2022-07-12 16:36:08,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2022-07-12 16:36:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:36:08,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:36:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2022-07-12 16:36:08,326 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2022-07-12 16:36:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2022-07-12 16:36:08,326 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2022-07-12 16:36:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2022-07-12 16:36:08,326 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2022-07-12 16:36:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-07-12 16:36:08,326 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-07-12 16:36:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-07-12 16:36:08,327 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-07-12 16:36:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2022-07-12 16:36:08,327 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2022-07-12 16:36:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2022-07-12 16:36:08,327 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2022-07-12 16:36:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 16:36:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-07-12 16:36:08,327 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-07-12 16:36:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2022-07-12 16:36:08,328 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2022-07-12 16:36:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:36:08,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:36:09,220 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:36:09,223 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:36:09,412 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:36:09,630 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11774: assume 0 != __copy_to_user_nocheck_~tmp___0~26#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-12 16:36:09,630 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11774: assume !(0 != __copy_to_user_nocheck_~tmp___0~26#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-12 16:36:09,630 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11788: assume 0 != __copy_to_user_nocheck_~tmp___1~15#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-12 16:36:09,630 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11788: assume !(0 != __copy_to_user_nocheck_~tmp___1~15#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-12 16:36:09,630 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11747: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:36:09,631 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11747: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:36:09,631 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11751: SUMMARY for call __copy_to_user_nocheck_#t~ret1089#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 [2022-07-12 16:36:09,631 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11772: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1087#1 && __copy_to_user_nocheck_#t~ret1087#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~26#1 := __copy_to_user_nocheck_#t~ret1087#1;havoc __copy_to_user_nocheck_#t~ret1087#1; [2022-07-12 16:36:09,631 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11739: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:36:09,631 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11739: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:36:09,631 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11743: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:36:09,632 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11743: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:36:09,632 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:36:09,632 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:36:09,632 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11735: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:36:09,632 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11735: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:36:09,632 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11748: SUMMARY for call __copy_to_user_nocheck_#t~ret1088#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2022-07-12 16:36:09,632 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:36:09,632 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:36:09,633 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11740: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-12 16:36:09,633 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11744: SUMMARY for call __copy_to_user_nocheck_#t~ret1087#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2022-07-12 16:36:09,633 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11732: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-12 16:36:09,633 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11736: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-12 16:36:09,633 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11798: __copy_to_user_nocheck_~tmp___2~11#1 := __copy_to_user_nocheck_#t~ret1089#1;havoc __copy_to_user_nocheck_#t~ret1089#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); [2022-07-12 16:36:09,633 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11786: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1088#1 && __copy_to_user_nocheck_#t~ret1088#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~15#1 := __copy_to_user_nocheck_#t~ret1088#1;havoc __copy_to_user_nocheck_#t~ret1088#1; [2022-07-12 16:36:09,633 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11728: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-12 16:36:11,353 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11642: SUMMARY for call __copy_from_user_nocheck_#t~ret1084#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 [2022-07-12 16:36:11,353 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11634: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:36:11,354 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11634: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:36:11,354 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11638: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:36:11,354 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11638: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:36:11,354 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:36:11,354 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:36:11,354 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11630: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:36:11,354 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11630: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:36:11,354 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11622: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:36:11,354 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11622: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:36:11,355 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11668: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1082#1 && __copy_from_user_nocheck_#t~ret1082#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~25#1 := __copy_from_user_nocheck_#t~ret1082#1;havoc __copy_from_user_nocheck_#t~ret1082#1; [2022-07-12 16:36:11,355 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11635: SUMMARY for call __copy_from_user_nocheck_#t~ret1082#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2022-07-12 16:36:11,355 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11639: SUMMARY for call __copy_from_user_nocheck_#t~ret1083#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2022-07-12 16:36:11,355 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11627: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-12 16:36:11,355 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11631: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-12 16:36:11,355 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11685: assume 0 != __copy_from_user_nocheck_~tmp___1~14#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-12 16:36:11,355 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11685: assume !(0 != __copy_from_user_nocheck_~tmp___1~14#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-12 16:36:11,356 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11619: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-12 16:36:11,356 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11623: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-12 16:36:11,356 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:36:11,356 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:36:11,356 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11670: assume 0 != __copy_from_user_nocheck_~tmp___0~25#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-12 16:36:11,356 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11670: assume !(0 != __copy_from_user_nocheck_~tmp___0~25#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-12 16:36:11,356 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11695: __copy_from_user_nocheck_~tmp___2~10#1 := __copy_from_user_nocheck_#t~ret1084#1;havoc __copy_from_user_nocheck_#t~ret1084#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); [2022-07-12 16:36:11,356 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11683: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1083#1 && __copy_from_user_nocheck_#t~ret1083#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~14#1 := __copy_from_user_nocheck_#t~ret1083#1;havoc __copy_from_user_nocheck_#t~ret1083#1; [2022-07-12 16:38:32,548 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 16:38:32,599 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:38:32,617 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:38:32,618 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-12 16:38:32,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:38:32 BoogieIcfgContainer [2022-07-12 16:38:32,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:38:32,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:38:32,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:38:32,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:38:32,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:36:02" (1/3) ... [2022-07-12 16:38:32,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dfb7fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:38:32, skipping insertion in model container [2022-07-12 16:38:32,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:36:07" (2/3) ... [2022-07-12 16:38:32,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dfb7fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:38:32, skipping insertion in model container [2022-07-12 16:38:32,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:38:32" (3/3) ... [2022-07-12 16:38:32,629 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-12 16:38:32,641 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:38:32,641 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-12 16:38:32,748 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:38:32,758 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@672af1d9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2fd17dab [2022-07-12 16:38:32,759 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-12 16:38:32,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 3297 states, 2492 states have (on average 1.3808186195826646) internal successors, (3441), 2513 states have internal predecessors, (3441), 650 states have call successors, (650), 152 states have call predecessors, (650), 151 states have return successors, (641), 635 states have call predecessors, (641), 641 states have call successors, (641) [2022-07-12 16:38:32,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-07-12 16:38:32,812 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:38:32,814 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:38:32,815 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)] === [2022-07-12 16:38:32,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:38:32,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1213133364, now seen corresponding path program 1 times [2022-07-12 16:38:32,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:38:32,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534131195] [2022-07-12 16:38:32,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:38:32,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:38:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:38:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:38:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:38:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:38:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:38:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:38:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:38:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:38:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:38:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:38:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:38:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:38:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:38:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:38:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:38:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:38:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:38:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:38:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:38:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:38:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:38:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:38:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:38:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:38:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:38:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:38:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:38:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:38:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:38:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 16:38:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 16:38:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-12 16:38:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-12 16:38:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:34,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4278 trivial. 0 not checked. [2022-07-12 16:38:34,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:38:34,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534131195] [2022-07-12 16:38:34,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534131195] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:38:34,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:38:34,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:38:34,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348053302] [2022-07-12 16:38:34,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:38:34,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:38:34,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:38:35,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:38:35,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:38:35,011 INFO L87 Difference]: Start difference. First operand has 3297 states, 2492 states have (on average 1.3808186195826646) internal successors, (3441), 2513 states have internal predecessors, (3441), 650 states have call successors, (650), 152 states have call predecessors, (650), 151 states have return successors, (641), 635 states have call predecessors, (641), 641 states have call successors, (641) Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 16:38:37,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:38:39,270 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:38:48,461 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:38:51,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:38:51,480 INFO L93 Difference]: Finished difference Result 10210 states and 14938 transitions. [2022-07-12 16:38:51,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:38:51,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 378 [2022-07-12 16:38:51,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:38:51,539 INFO L225 Difference]: With dead ends: 10210 [2022-07-12 16:38:51,539 INFO L226 Difference]: Without dead ends: 6966 [2022-07-12 16:38:51,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:38:51,566 INFO L413 NwaCegarLoop]: 5051 mSDtfsCounter, 6486 mSDsluCounter, 5824 mSDsCounter, 0 mSdLazyCounter, 2827 mSolverCounterSat, 1882 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6978 SdHoareTripleChecker+Valid, 10875 SdHoareTripleChecker+Invalid, 4712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1882 IncrementalHoareTripleChecker+Valid, 2827 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2022-07-12 16:38:51,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6978 Valid, 10875 Invalid, 4712 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1882 Valid, 2827 Invalid, 3 Unknown, 0 Unchecked, 15.7s Time] [2022-07-12 16:38:51,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6966 states. [2022-07-12 16:38:51,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6966 to 6348. [2022-07-12 16:38:51,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6348 states, 4828 states have (on average 1.3624689312344656) internal successors, (6578), 4867 states have internal predecessors, (6578), 1217 states have call successors, (1217), 300 states have call predecessors, (1217), 299 states have return successors, (1214), 1202 states have call predecessors, (1214), 1214 states have call successors, (1214) [2022-07-12 16:38:51,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6348 states to 6348 states and 9009 transitions. [2022-07-12 16:38:51,917 INFO L78 Accepts]: Start accepts. Automaton has 6348 states and 9009 transitions. Word has length 378 [2022-07-12 16:38:51,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:38:51,923 INFO L495 AbstractCegarLoop]: Abstraction has 6348 states and 9009 transitions. [2022-07-12 16:38:51,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 16:38:51,924 INFO L276 IsEmpty]: Start isEmpty. Operand 6348 states and 9009 transitions. [2022-07-12 16:38:51,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2022-07-12 16:38:51,941 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:38:51,942 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 31, 31, 31, 31, 31, 31, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:38:51,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 16:38:51,943 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)] === [2022-07-12 16:38:51,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:38:51,943 INFO L85 PathProgramCache]: Analyzing trace with hash -114802349, now seen corresponding path program 1 times [2022-07-12 16:38:51,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:38:51,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291762997] [2022-07-12 16:38:51,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:38:51,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:38:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:38:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:38:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:38:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:38:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:38:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:38:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:38:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:38:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:38:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:38:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:38:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:38:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:38:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:38:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:38:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:38:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:38:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:38:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:38:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:38:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:38:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:38:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:52,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:38:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:38:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:38:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:38:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:38:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:38:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:38:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 16:38:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 16:38:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-12 16:38:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-12 16:38:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:38:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:38:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-12 16:38:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:38:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:38:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-12 16:38:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:38:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:38:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-12 16:38:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:38:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:38:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:38:53,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4467 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4467 trivial. 0 not checked. [2022-07-12 16:38:53,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:38:53,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291762997] [2022-07-12 16:38:53,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291762997] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:38:53,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:38:53,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:38:53,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972550628] [2022-07-12 16:38:53,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:38:53,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:38:53,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:38:53,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:38:53,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:38:53,318 INFO L87 Difference]: Start difference. First operand 6348 states and 9009 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-12 16:38:55,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:38:57,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:39:02,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:39:13,334 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:39:15,530 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 [] [2022-07-12 16:39:18,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:39:18,094 INFO L93 Difference]: Finished difference Result 17281 states and 24596 transitions. [2022-07-12 16:39:18,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 16:39:18,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 463 [2022-07-12 16:39:18,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:39:18,149 INFO L225 Difference]: With dead ends: 17281 [2022-07-12 16:39:18,149 INFO L226 Difference]: Without dead ends: 11000 [2022-07-12 16:39:18,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:39:18,166 INFO L413 NwaCegarLoop]: 4969 mSDtfsCounter, 5368 mSDsluCounter, 6171 mSDsCounter, 0 mSdLazyCounter, 3241 mSolverCounterSat, 2807 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5747 SdHoareTripleChecker+Valid, 11140 SdHoareTripleChecker+Invalid, 6052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2807 IncrementalHoareTripleChecker+Valid, 3241 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2022-07-12 16:39:18,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5747 Valid, 11140 Invalid, 6052 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2807 Valid, 3241 Invalid, 4 Unknown, 0 Unchecked, 24.0s Time] [2022-07-12 16:39:18,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11000 states. [2022-07-12 16:39:18,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11000 to 9632. [2022-07-12 16:39:18,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9632 states, 7240 states have (on average 1.3408839779005526) internal successors, (9708), 7296 states have internal predecessors, (9708), 1882 states have call successors, (1882), 507 states have call predecessors, (1882), 506 states have return successors, (1879), 1858 states have call predecessors, (1879), 1879 states have call successors, (1879) [2022-07-12 16:39:18,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9632 states to 9632 states and 13469 transitions. [2022-07-12 16:39:18,499 INFO L78 Accepts]: Start accepts. Automaton has 9632 states and 13469 transitions. Word has length 463 [2022-07-12 16:39:18,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:39:18,502 INFO L495 AbstractCegarLoop]: Abstraction has 9632 states and 13469 transitions. [2022-07-12 16:39:18,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-12 16:39:18,503 INFO L276 IsEmpty]: Start isEmpty. Operand 9632 states and 13469 transitions. [2022-07-12 16:39:18,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2022-07-12 16:39:18,522 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:39:18,523 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 31, 31, 31, 31, 31, 31, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:39:18,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 16:39:18,523 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 16:39:18,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:39:18,524 INFO L85 PathProgramCache]: Analyzing trace with hash 839581145, now seen corresponding path program 1 times [2022-07-12 16:39:18,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:39:18,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532721527] [2022-07-12 16:39:18,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:39:18,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:39:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:39:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:39:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:39:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:39:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:39:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:39:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:39:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:39:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:39:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:39:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:39:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:39:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:39:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:39:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:39:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:39:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:39:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:39:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:39:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:39:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:39:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:39:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:39:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:39:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:39:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:39:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:39:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:39:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:39:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 16:39:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 16:39:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-12 16:39:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-12 16:39:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-12 16:39:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-12 16:39:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 16:39:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-12 16:39:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 16:39:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:39:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:19,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4599 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4590 trivial. 0 not checked. [2022-07-12 16:39:19,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:39:19,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532721527] [2022-07-12 16:39:19,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532721527] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:39:19,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:39:19,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:39:19,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913982462] [2022-07-12 16:39:19,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:39:19,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:39:19,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:39:19,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:39:19,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:39:19,853 INFO L87 Difference]: Start difference. First operand 9632 states and 13469 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-12 16:39:22,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:39:24,049 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:39:38,068 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:39:40,207 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 [] [2022-07-12 16:39:43,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:39:43,414 INFO L93 Difference]: Finished difference Result 22691 states and 31936 transitions. [2022-07-12 16:39:43,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 16:39:43,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 488 [2022-07-12 16:39:43,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:39:43,476 INFO L225 Difference]: With dead ends: 22691 [2022-07-12 16:39:43,476 INFO L226 Difference]: Without dead ends: 13126 [2022-07-12 16:39:43,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:39:43,499 INFO L413 NwaCegarLoop]: 5242 mSDtfsCounter, 8246 mSDsluCounter, 6118 mSDsCounter, 0 mSdLazyCounter, 3527 mSolverCounterSat, 3597 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8807 SdHoareTripleChecker+Valid, 11360 SdHoareTripleChecker+Invalid, 7128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3597 IncrementalHoareTripleChecker+Valid, 3527 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2022-07-12 16:39:43,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8807 Valid, 11360 Invalid, 7128 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3597 Valid, 3527 Invalid, 4 Unknown, 0 Unchecked, 22.7s Time] [2022-07-12 16:39:43,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13126 states. [2022-07-12 16:39:43,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13126 to 11504. [2022-07-12 16:39:43,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11504 states, 8598 states have (on average 1.3322865782740172) internal successors, (11455), 8666 states have internal predecessors, (11455), 2271 states have call successors, (2271), 634 states have call predecessors, (2271), 631 states have return successors, (2268), 2238 states have call predecessors, (2268), 2268 states have call successors, (2268) [2022-07-12 16:39:43,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11504 states to 11504 states and 15994 transitions. [2022-07-12 16:39:43,855 INFO L78 Accepts]: Start accepts. Automaton has 11504 states and 15994 transitions. Word has length 488 [2022-07-12 16:39:43,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:39:43,858 INFO L495 AbstractCegarLoop]: Abstraction has 11504 states and 15994 transitions. [2022-07-12 16:39:43,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-12 16:39:43,859 INFO L276 IsEmpty]: Start isEmpty. Operand 11504 states and 15994 transitions. [2022-07-12 16:39:43,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-12 16:39:43,870 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:39:43,871 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 32, 32, 32, 32, 32, 32, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:39:43,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 16:39:43,871 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 16:39:43,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:39:43,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1815858272, now seen corresponding path program 1 times [2022-07-12 16:39:43,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:39:43,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972325040] [2022-07-12 16:39:43,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:39:43,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:39:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:39:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:39:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:39:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:39:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:39:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:39:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:39:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:39:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:39:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:39:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:39:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:39:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:39:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:39:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:39:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:39:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:39:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:39:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:39:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:39:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:39:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:39:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:39:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:39:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:39:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:39:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:39:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:39:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:39:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:44,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 16:39:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:45,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:45,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 16:39:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:45,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:45,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-12 16:39:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:45,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-12 16:39:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:45,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-12 16:39:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:45,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:45,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:45,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-12 16:39:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:45,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-12 16:39:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:45,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-12 16:39:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:45,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-12 16:39:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:45,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:45,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-12 16:39:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:45,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-12 16:39:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:45,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-12 16:39:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4910 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 4890 trivial. 0 not checked. [2022-07-12 16:39:45,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:39:45,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972325040] [2022-07-12 16:39:45,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972325040] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:39:45,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:39:45,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:39:45,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909507899] [2022-07-12 16:39:45,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:39:45,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:39:45,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:39:45,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:39:45,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:39:45,157 INFO L87 Difference]: Start difference. First operand 11504 states and 15994 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-12 16:39:47,330 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 [] [2022-07-12 16:39:49,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:39:53,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:40:01,629 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 [] [2022-07-12 16:40:04,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:40:04,297 INFO L93 Difference]: Finished difference Result 32711 states and 45956 transitions. [2022-07-12 16:40:04,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:40:04,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 472 [2022-07-12 16:40:04,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:40:04,369 INFO L225 Difference]: With dead ends: 32711 [2022-07-12 16:40:04,370 INFO L226 Difference]: Without dead ends: 22822 [2022-07-12 16:40:04,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:40:04,400 INFO L413 NwaCegarLoop]: 6886 mSDtfsCounter, 5671 mSDsluCounter, 6840 mSDsCounter, 0 mSdLazyCounter, 2860 mSolverCounterSat, 1511 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6163 SdHoareTripleChecker+Valid, 13726 SdHoareTripleChecker+Invalid, 4374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1511 IncrementalHoareTripleChecker+Valid, 2860 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:40:04,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6163 Valid, 13726 Invalid, 4374 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1511 Valid, 2860 Invalid, 3 Unknown, 0 Unchecked, 18.2s Time] [2022-07-12 16:40:04,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22822 states. [2022-07-12 16:40:04,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22822 to 20785. [2022-07-12 16:40:04,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20785 states, 15611 states have (on average 1.337326244314906) internal successors, (20877), 15721 states have internal predecessors, (20877), 4044 states have call successors, (4044), 1129 states have call predecessors, (4044), 1126 states have return successors, (4041), 3995 states have call predecessors, (4041), 4041 states have call successors, (4041) [2022-07-12 16:40:04,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20785 states to 20785 states and 28962 transitions. [2022-07-12 16:40:04,938 INFO L78 Accepts]: Start accepts. Automaton has 20785 states and 28962 transitions. Word has length 472 [2022-07-12 16:40:04,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:40:04,940 INFO L495 AbstractCegarLoop]: Abstraction has 20785 states and 28962 transitions. [2022-07-12 16:40:04,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-12 16:40:04,940 INFO L276 IsEmpty]: Start isEmpty. Operand 20785 states and 28962 transitions. [2022-07-12 16:40:04,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-12 16:40:04,954 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:40:04,955 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 32, 32, 32, 32, 32, 32, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:40:04,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 16:40:04,955 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 16:40:04,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:40:04,956 INFO L85 PathProgramCache]: Analyzing trace with hash -428125026, now seen corresponding path program 1 times [2022-07-12 16:40:04,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:40:04,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445733662] [2022-07-12 16:40:04,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:40:04,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:40:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:40:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:40:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:40:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:40:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:40:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:40:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:40:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:40:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:40:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:40:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:40:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:40:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:40:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:40:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:40:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:40:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:40:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:40:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:40:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:40:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:40:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:40:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:40:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:05,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:40:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:40:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:40:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:40:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:40:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:40:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 16:40:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 16:40:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-12 16:40:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-12 16:40:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-12 16:40:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-12 16:40:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-12 16:40:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-12 16:40:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-12 16:40:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-12 16:40:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-12 16:40:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-12 16:40:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:06,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4910 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4910 trivial. 0 not checked. [2022-07-12 16:40:06,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:40:06,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445733662] [2022-07-12 16:40:06,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445733662] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:40:06,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:40:06,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:40:06,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251096895] [2022-07-12 16:40:06,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:40:06,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:40:06,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:40:06,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:40:06,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:40:06,286 INFO L87 Difference]: Start difference. First operand 20785 states and 28962 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-12 16:40:08,470 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []