./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 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_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-?-791161d [2022-07-23 03:53:18,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:53:18,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:53:18,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:53:18,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:53:18,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:53:18,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:53:18,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:53:18,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:53:18,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:53:18,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:53:18,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:53:18,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:53:18,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:53:18,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:53:18,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:53:18,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:53:18,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:53:18,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:53:18,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:53:18,324 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:53:18,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:53:18,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:53:18,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:53:18,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:53:18,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:53:18,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:53:18,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:53:18,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:53:18,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:53:18,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:53:18,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:53:18,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:53:18,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:53:18,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:53:18,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:53:18,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:53:18,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:53:18,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:53:18,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:53:18,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:53:18,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:53:18,344 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:53:18,368 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:53:18,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:53:18,369 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:53:18,369 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:53:18,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:53:18,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:53:18,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:53:18,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:53:18,371 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:53:18,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:53:18,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:53:18,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:53:18,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:53:18,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:53:18,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:53:18,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:53:18,373 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:53:18,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:53:18,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:53:18,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:53:18,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:53:18,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:53:18,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:53:18,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:53:18,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:53:18,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:53:18,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:53:18,375 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:53:18,375 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:53:18,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:53:18,375 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a521111bd175d3310336dcb5a96ef10ad6928036ed2148cdf12f5390a99f6bb7 [2022-07-23 03:53:18,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:53:18,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:53:18,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:53:18,610 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:53:18,610 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:53:18,611 INFO L432 ainManager$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 [2022-07-23 03:53:18,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73045d08e/291226ba881343db811ec480a57343fe/FLAGc240239b3 [2022-07-23 03:53:19,512 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:53:19,513 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 [2022-07-23 03:53:19,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73045d08e/291226ba881343db811ec480a57343fe/FLAGc240239b3 [2022-07-23 03:53:19,648 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73045d08e/291226ba881343db811ec480a57343fe [2022-07-23 03:53:19,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:53:19,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:53:19,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:53:19,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:53:19,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:53:19,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:53:19" (1/1) ... [2022-07-23 03:53:19,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dd5a9e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:53:19, skipping insertion in model container [2022-07-23 03:53:19,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:53:19" (1/1) ... [2022-07-23 03:53:19,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:53:19,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:53:24,450 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] [2022-07-23 03:53:24,453 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] [2022-07-23 03:53:24,453 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] [2022-07-23 03:53:24,454 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] [2022-07-23 03:53:24,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:53:24,570 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:53:25,092 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] [2022-07-23 03:53:25,092 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] [2022-07-23 03:53:25,093 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] [2022-07-23 03:53:25,093 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] [2022-07-23 03:53:25,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:53:25,441 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:53:25,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:53:25 WrapperNode [2022-07-23 03:53:25,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:53:25,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:53:25,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:53:25,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:53:25,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:53:25" (1/1) ... [2022-07-23 03:53:25,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:53:25" (1/1) ... [2022-07-23 03:53:25,950 INFO L137 Inliner]: procedures = 547, calls = 8793, calls flagged for inlining = 309, calls inlined = 249, statements flattened = 13646 [2022-07-23 03:53:25,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:53:25,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:53:25,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:53:25,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:53:25,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:53:25" (1/1) ... [2022-07-23 03:53:25,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:53:25" (1/1) ... [2022-07-23 03:53:26,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:53:25" (1/1) ... [2022-07-23 03:53:26,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:53:25" (1/1) ... [2022-07-23 03:53:26,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:53:25" (1/1) ... [2022-07-23 03:53:26,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:53:25" (1/1) ... [2022-07-23 03:53:26,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:53:25" (1/1) ... [2022-07-23 03:53:26,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:53:26,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:53:26,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:53:26,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:53:26,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:53:25" (1/1) ... [2022-07-23 03:53:26,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:53:26,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:53:26,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 03:53:26,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 03:53:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 03:53:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 03:53:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-23 03:53:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-23 03:53:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:53:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:53:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:53:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:53:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2022-07-23 03:53:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2022-07-23 03:53:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2022-07-23 03:53:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2022-07-23 03:53:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2022-07-23 03:53:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2022-07-23 03:53:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2022-07-23 03:53:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2022-07-23 03:53:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2022-07-23 03:53:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2022-07-23 03:53:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2022-07-23 03:53:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2022-07-23 03:53:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-07-23 03:53:26,761 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-07-23 03:53:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-07-23 03:53:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2022-07-23 03:53:26,761 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2022-07-23 03:53:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2022-07-23 03:53:26,761 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2022-07-23 03:53:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2022-07-23 03:53:26,762 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2022-07-23 03:53:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2022-07-23 03:53:26,762 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2022-07-23 03:53:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 03:53:26,762 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 03:53:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-23 03:53:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2022-07-23 03:53:26,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2022-07-23 03:53:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2022-07-23 03:53:26,763 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2022-07-23 03:53:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:53:26,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:53:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-23 03:53:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-23 03:53:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 03:53:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 03:53:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:53:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:53:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 03:53:26,765 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 03:53:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-07-23 03:53:26,765 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-07-23 03:53:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:53:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-07-23 03:53:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-07-23 03:53:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2022-07-23 03:53:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2022-07-23 03:53:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2022-07-23 03:53:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2022-07-23 03:53:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-23 03:53:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-23 03:53:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-23 03:53:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-23 03:53:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2022-07-23 03:53:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2022-07-23 03:53:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 03:53:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 03:53:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2022-07-23 03:53:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2022-07-23 03:53:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 03:53:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2022-07-23 03:53:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2022-07-23 03:53:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 03:53:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 03:53:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-07-23 03:53:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-07-23 03:53:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 03:53:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2022-07-23 03:53:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2022-07-23 03:53:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:53:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:53:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2022-07-23 03:53:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2022-07-23 03:53:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2022-07-23 03:53:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2022-07-23 03:53:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-23 03:53:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-23 03:53:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 03:53:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-07-23 03:53:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-07-23 03:53:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:53:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:53:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 03:53:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 03:53:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-23 03:53:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-23 03:53:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 03:53:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 03:53:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2022-07-23 03:53:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2022-07-23 03:53:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-23 03:53:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-23 03:53:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2022-07-23 03:53:26,775 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2022-07-23 03:53:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-07-23 03:53:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-23 03:53:26,775 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-23 03:53:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-07-23 03:53:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-07-23 03:53:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:53:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-07-23 03:53:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-07-23 03:53:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 03:53:26,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 03:53:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-23 03:53:26,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-23 03:53:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2022-07-23 03:53:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2022-07-23 03:53:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:53:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2022-07-23 03:53:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2022-07-23 03:53:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:53:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:53:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:53:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 03:53:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2022-07-23 03:53:26,786 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2022-07-23 03:53:26,786 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 03:53:26,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 03:53:26,786 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2022-07-23 03:53:26,786 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2022-07-23 03:53:26,786 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-23 03:53:26,786 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-23 03:53:26,786 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2022-07-23 03:53:26,786 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2022-07-23 03:53:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2022-07-23 03:53:26,787 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2022-07-23 03:53:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2022-07-23 03:53:26,787 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2022-07-23 03:53:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2022-07-23 03:53:26,787 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2022-07-23 03:53:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-07-23 03:53:26,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-07-23 03:53:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2022-07-23 03:53:26,788 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2022-07-23 03:53:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:53:26,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:53:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-23 03:53:26,788 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-23 03:53:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:53:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:53:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:53:26,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:53:26,789 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-23 03:53:26,789 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-23 03:53:26,789 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2022-07-23 03:53:26,789 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2022-07-23 03:53:26,789 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-23 03:53:26,789 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-23 03:53:26,789 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2022-07-23 03:53:26,790 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2022-07-23 03:53:26,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-07-23 03:53:26,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-07-23 03:53:26,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-07-23 03:53:26,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-07-23 03:53:26,790 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-07-23 03:53:26,790 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-07-23 03:53:26,790 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-23 03:53:26,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-23 03:53:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2022-07-23 03:53:26,791 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2022-07-23 03:53:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-07-23 03:53:26,791 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-07-23 03:53:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 03:53:26,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 03:53:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2022-07-23 03:53:26,791 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2022-07-23 03:53:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2022-07-23 03:53:26,792 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2022-07-23 03:53:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2022-07-23 03:53:26,792 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2022-07-23 03:53:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 03:53:26,792 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 03:53:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2022-07-23 03:53:26,792 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2022-07-23 03:53:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2022-07-23 03:53:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2022-07-23 03:53:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-23 03:53:26,794 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-23 03:53:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2022-07-23 03:53:26,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2022-07-23 03:53:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2022-07-23 03:53:26,794 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2022-07-23 03:53:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-23 03:53:26,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-23 03:53:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-23 03:53:26,795 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-23 03:53:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-07-23 03:53:26,795 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-07-23 03:53:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2022-07-23 03:53:26,795 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2022-07-23 03:53:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-23 03:53:26,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-23 03:53:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2022-07-23 03:53:26,796 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2022-07-23 03:53:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2022-07-23 03:53:26,796 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2022-07-23 03:53:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:53:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 03:53:26,796 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 03:53:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2022-07-23 03:53:26,796 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2022-07-23 03:53:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:53:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2022-07-23 03:53:26,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2022-07-23 03:53:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2022-07-23 03:53:26,797 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2022-07-23 03:53:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2022-07-23 03:53:26,797 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2022-07-23 03:53:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-23 03:53:26,798 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-23 03:53:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2022-07-23 03:53:26,798 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2022-07-23 03:53:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:53:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-23 03:53:26,798 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-23 03:53:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-23 03:53:26,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-23 03:53:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 03:53:26,799 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 03:53:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-23 03:53:26,799 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-23 03:53:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2022-07-23 03:53:26,799 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2022-07-23 03:53:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 03:53:26,799 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 03:53:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-23 03:53:26,800 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-23 03:53:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-23 03:53:26,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-23 03:53:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:53:26,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:53:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2022-07-23 03:53:26,803 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2022-07-23 03:53:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-23 03:53:26,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-23 03:53:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 03:53:26,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 03:53:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-23 03:53:26,804 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-23 03:53:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2022-07-23 03:53:26,805 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2022-07-23 03:53:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-07-23 03:53:26,805 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-07-23 03:53:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2022-07-23 03:53:26,805 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2022-07-23 03:53:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2022-07-23 03:53:26,805 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2022-07-23 03:53:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-23 03:53:26,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-23 03:53:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2022-07-23 03:53:26,806 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2022-07-23 03:53:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2022-07-23 03:53:26,806 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2022-07-23 03:53:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 03:53:26,806 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 03:53:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 03:53:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:53:26,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:53:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-07-23 03:53:26,807 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-07-23 03:53:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-07-23 03:53:26,807 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-07-23 03:53:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 03:53:26,807 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 03:53:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2022-07-23 03:53:26,808 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2022-07-23 03:53:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-23 03:53:26,808 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-23 03:53:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2022-07-23 03:53:26,808 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2022-07-23 03:53:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2022-07-23 03:53:26,808 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2022-07-23 03:53:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-07-23 03:53:26,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-07-23 03:53:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2022-07-23 03:53:26,809 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2022-07-23 03:53:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2022-07-23 03:53:26,809 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2022-07-23 03:53:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-07-23 03:53:26,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-07-23 03:53:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-23 03:53:26,809 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-23 03:53:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-07-23 03:53:26,810 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-07-23 03:53:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-23 03:53:26,810 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-23 03:53:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-23 03:53:26,810 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-23 03:53:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2022-07-23 03:53:26,810 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2022-07-23 03:53:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2022-07-23 03:53:26,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2022-07-23 03:53:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:53:26,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:53:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2022-07-23 03:53:26,811 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2022-07-23 03:53:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2022-07-23 03:53:26,811 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2022-07-23 03:53:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2022-07-23 03:53:26,811 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2022-07-23 03:53:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-07-23 03:53:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-07-23 03:53:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-07-23 03:53:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-07-23 03:53:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2022-07-23 03:53:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2022-07-23 03:53:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2022-07-23 03:53:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2022-07-23 03:53:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 03:53:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-07-23 03:53:26,813 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-07-23 03:53:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2022-07-23 03:53:26,813 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2022-07-23 03:53:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:53:26,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:53:27,779 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:53:27,782 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:53:28,012 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:53:28,232 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; [2022-07-23 03:53:28,232 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; [2022-07-23 03:53:28,233 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; [2022-07-23 03:53:28,233 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; [2022-07-23 03:53:28,233 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11747: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-23 03:53:28,233 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11747: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-23 03:53:28,233 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 [2022-07-23 03:53:28,233 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; [2022-07-23 03:53:28,233 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11739: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-23 03:53:28,234 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11739: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-23 03:53:28,234 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11743: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-23 03:53:28,234 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11743: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-23 03:53:28,234 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-23 03:53:28,234 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-23 03:53:28,234 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11735: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-23 03:53:28,234 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11735: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-23 03:53:28,234 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 [2022-07-23 03:53:28,235 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-23 03:53:28,235 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-23 03:53:28,235 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11740: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-23 03:53:28,235 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 [2022-07-23 03:53:28,235 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11732: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-23 03:53:28,235 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11736: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-23 03:53:28,235 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); [2022-07-23 03:53:28,236 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; [2022-07-23 03:53:28,236 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11728: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-23 03:53:30,112 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 [2022-07-23 03:53:30,113 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11634: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-23 03:53:30,113 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11634: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-23 03:53:30,113 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11638: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-23 03:53:30,113 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11638: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-23 03:53:30,113 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-23 03:53:30,113 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-23 03:53:30,113 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11630: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-23 03:53:30,114 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11630: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-23 03:53:30,114 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11622: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-23 03:53:30,114 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11622: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-23 03:53:30,114 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; [2022-07-23 03:53:30,114 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 [2022-07-23 03:53:30,114 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 [2022-07-23 03:53:30,115 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11627: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-23 03:53:30,115 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11631: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-23 03:53:30,115 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; [2022-07-23 03:53:30,115 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; [2022-07-23 03:53:30,115 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11619: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-23 03:53:30,115 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11623: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-23 03:53:30,115 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-23 03:53:30,115 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-23 03:53:30,116 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; [2022-07-23 03:53:30,120 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; [2022-07-23 03:53:30,120 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); [2022-07-23 03:53:30,120 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; [2022-07-23 03:56:06,221 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 03:56:06,273 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:56:06,290 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:56:06,290 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-23 03:56:06,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:56:06 BoogieIcfgContainer [2022-07-23 03:56:06,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:56:06,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:56:06,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:56:06,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:56:06,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:53:19" (1/3) ... [2022-07-23 03:56:06,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69bff2e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:56:06, skipping insertion in model container [2022-07-23 03:56:06,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:53:25" (2/3) ... [2022-07-23 03:56:06,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69bff2e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:56:06, skipping insertion in model container [2022-07-23 03:56:06,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:56:06" (3/3) ... [2022-07-23 03:56:06,301 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-23 03:56:06,310 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:56:06,310 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-23 03:56:06,397 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:56:06,404 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@703d6feb, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4112fb05 [2022-07-23 03:56:06,404 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-23 03:56:06,415 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) [2022-07-23 03:56:06,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-07-23 03:56:06,449 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:56:06,449 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] [2022-07-23 03:56:06,450 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:56:06,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:56:06,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1213133364, now seen corresponding path program 1 times [2022-07-23 03:56:06,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:56:06,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809623907] [2022-07-23 03:56:06,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:56:06,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:56:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:56:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:56:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:56:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:56:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:56:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:56:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:56:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:56:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:56:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:56:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:56:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:56:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:56:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:56:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:56:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:56:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:56:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:56:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:56:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:56:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:07,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:56:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:56:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:56:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:56:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:56:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 03:56:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:56:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:56:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:56:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 03:56:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 03:56:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 03:56:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 03:56:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:08,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4278 trivial. 0 not checked. [2022-07-23 03:56:08,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:56:08,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809623907] [2022-07-23 03:56:08,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809623907] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:56:08,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:56:08,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:56:08,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150606511] [2022-07-23 03:56:08,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:56:08,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:56:08,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:56:08,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:56:08,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:56:08,289 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) [2022-07-23 03:56:10,465 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:56:12,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:56:20,054 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:56:22,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:56:22,952 INFO L93 Difference]: Finished difference Result 10210 states and 14938 transitions. [2022-07-23 03:56:22,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:56:22,955 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 [2022-07-23 03:56:22,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:56:23,005 INFO L225 Difference]: With dead ends: 10210 [2022-07-23 03:56:23,005 INFO L226 Difference]: Without dead ends: 6966 [2022-07-23 03:56:23,024 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 [2022-07-23 03:56:23,027 INFO L413 NwaCegarLoop]: 5037 mSDtfsCounter, 6493 mSDsluCounter, 5882 mSDsCounter, 0 mSdLazyCounter, 2827 mSolverCounterSat, 1873 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6996 SdHoareTripleChecker+Valid, 10919 SdHoareTripleChecker+Invalid, 4703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1873 IncrementalHoareTripleChecker+Valid, 2827 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-07-23 03:56:23,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6996 Valid, 10919 Invalid, 4703 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1873 Valid, 2827 Invalid, 3 Unknown, 0 Unchecked, 14.1s Time] [2022-07-23 03:56:23,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6966 states. [2022-07-23 03:56:23,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6966 to 6348. [2022-07-23 03:56:23,296 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) [2022-07-23 03:56:23,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6348 states to 6348 states and 9009 transitions. [2022-07-23 03:56:23,337 INFO L78 Accepts]: Start accepts. Automaton has 6348 states and 9009 transitions. Word has length 378 [2022-07-23 03:56:23,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:56:23,341 INFO L495 AbstractCegarLoop]: Abstraction has 6348 states and 9009 transitions. [2022-07-23 03:56:23,341 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) [2022-07-23 03:56:23,341 INFO L276 IsEmpty]: Start isEmpty. Operand 6348 states and 9009 transitions. [2022-07-23 03:56:23,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2022-07-23 03:56:23,354 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:56:23,354 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] [2022-07-23 03:56:23,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 03:56:23,355 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:56:23,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:56:23,356 INFO L85 PathProgramCache]: Analyzing trace with hash -114802349, now seen corresponding path program 1 times [2022-07-23 03:56:23,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:56:23,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411263560] [2022-07-23 03:56:23,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:56:23,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:56:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:23,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:56:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:23,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:23,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:56:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:23,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:23,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:56:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:23,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:23,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:56:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:23,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:23,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:56:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:23,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:23,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:56:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:23,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:23,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:56:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:23,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:56:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:56:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:56:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:56:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:56:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:56:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:56:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:56:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:56:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:56:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:56:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:56:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:56:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:56:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:56:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:56:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:56:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:56:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 03:56:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:56:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:56:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:56:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 03:56:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 03:56:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 03:56:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 03:56:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:56:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:56:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-23 03:56:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:56:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:56:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-23 03:56:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:56:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:56:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-23 03:56:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:56:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:24,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4467 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4467 trivial. 0 not checked. [2022-07-23 03:56:24,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:56:24,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411263560] [2022-07-23 03:56:24,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411263560] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:56:24,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:56:24,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:56:24,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950493682] [2022-07-23 03:56:24,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:56:24,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:56:24,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:56:24,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:56:24,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:56:24,534 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) [2022-07-23 03:56:26,677 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:56:28,105 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:56:39,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:56:40,790 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:56:42,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:56:43,976 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:56:45,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:56:45,353 INFO L93 Difference]: Finished difference Result 17297 states and 24620 transitions. [2022-07-23 03:56:45,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:56:45,357 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 [2022-07-23 03:56:45,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:56:45,409 INFO L225 Difference]: With dead ends: 17297 [2022-07-23 03:56:45,409 INFO L226 Difference]: Without dead ends: 11016 [2022-07-23 03:56:45,434 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 [2022-07-23 03:56:45,435 INFO L413 NwaCegarLoop]: 4939 mSDtfsCounter, 5359 mSDsluCounter, 6118 mSDsCounter, 0 mSdLazyCounter, 3255 mSolverCounterSat, 2813 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5737 SdHoareTripleChecker+Valid, 11057 SdHoareTripleChecker+Invalid, 6071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2813 IncrementalHoareTripleChecker+Valid, 3255 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2022-07-23 03:56:45,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5737 Valid, 11057 Invalid, 6071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2813 Valid, 3255 Invalid, 3 Unknown, 0 Unchecked, 20.2s Time] [2022-07-23 03:56:45,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11016 states. [2022-07-23 03:56:45,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11016 to 9632. [2022-07-23 03:56:45,690 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) [2022-07-23 03:56:45,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9632 states to 9632 states and 13469 transitions. [2022-07-23 03:56:45,719 INFO L78 Accepts]: Start accepts. Automaton has 9632 states and 13469 transitions. Word has length 463 [2022-07-23 03:56:45,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:56:45,719 INFO L495 AbstractCegarLoop]: Abstraction has 9632 states and 13469 transitions. [2022-07-23 03:56:45,720 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) [2022-07-23 03:56:45,720 INFO L276 IsEmpty]: Start isEmpty. Operand 9632 states and 13469 transitions. [2022-07-23 03:56:45,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2022-07-23 03:56:45,733 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:56:45,734 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] [2022-07-23 03:56:45,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 03:56:45,734 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)] === [2022-07-23 03:56:45,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:56:45,735 INFO L85 PathProgramCache]: Analyzing trace with hash 839581145, now seen corresponding path program 1 times [2022-07-23 03:56:45,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:56:45,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454506450] [2022-07-23 03:56:45,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:56:45,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:56:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:56:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:56:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:56:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:56:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:56:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:56:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:56:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:56:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:56:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:56:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:56:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:56:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:56:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:56:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:56:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:56:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:56:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:56:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:56:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:56:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:56:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:56:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:56:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:56:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:56:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 03:56:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:56:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:56:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:56:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 03:56:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 03:56:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 03:56:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-23 03:56:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-23 03:56:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 03:56:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:56:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:56:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-23 03:56:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:56:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:56:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-23 03:56:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:56:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:56:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-23 03:56:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:56:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:56:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:56:46,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4599 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4590 trivial. 0 not checked. [2022-07-23 03:56:46,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:56:46,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454506450] [2022-07-23 03:56:46,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454506450] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:56:46,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:56:46,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:56:46,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336021678] [2022-07-23 03:56:46,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:56:46,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:56:46,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:56:46,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:56:46,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:56:46,768 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) [2022-07-23 03:56:48,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:56:50,936 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:56:52,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:57:06,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:57:08,339 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:57:10,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:57:13,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:57:13,813 INFO L93 Difference]: Finished difference Result 22691 states and 31936 transitions. [2022-07-23 03:57:13,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:57:13,814 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 [2022-07-23 03:57:13,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:57:13,882 INFO L225 Difference]: With dead ends: 22691 [2022-07-23 03:57:13,882 INFO L226 Difference]: Without dead ends: 13126 [2022-07-23 03:57:13,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-23 03:57:13,909 INFO L413 NwaCegarLoop]: 5249 mSDtfsCounter, 6609 mSDsluCounter, 8191 mSDsCounter, 0 mSdLazyCounter, 4985 mSolverCounterSat, 2094 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7172 SdHoareTripleChecker+Valid, 13440 SdHoareTripleChecker+Invalid, 7085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2094 IncrementalHoareTripleChecker+Valid, 4985 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:57:13,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7172 Valid, 13440 Invalid, 7085 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2094 Valid, 4985 Invalid, 6 Unknown, 0 Unchecked, 26.4s Time] [2022-07-23 03:57:13,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13126 states. [2022-07-23 03:57:14,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13126 to 11504. [2022-07-23 03:57:14,211 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) [2022-07-23 03:57:14,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11504 states to 11504 states and 15994 transitions. [2022-07-23 03:57:14,240 INFO L78 Accepts]: Start accepts. Automaton has 11504 states and 15994 transitions. Word has length 488 [2022-07-23 03:57:14,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:57:14,243 INFO L495 AbstractCegarLoop]: Abstraction has 11504 states and 15994 transitions. [2022-07-23 03:57:14,244 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) [2022-07-23 03:57:14,244 INFO L276 IsEmpty]: Start isEmpty. Operand 11504 states and 15994 transitions. [2022-07-23 03:57:14,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-23 03:57:14,255 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:57:14,255 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] [2022-07-23 03:57:14,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 03:57:14,256 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)] === [2022-07-23 03:57:14,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:57:14,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1815858272, now seen corresponding path program 1 times [2022-07-23 03:57:14,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:57:14,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819132222] [2022-07-23 03:57:14,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:57:14,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:57:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:57:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:57:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:57:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:57:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:57:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:57:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:57:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:57:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:57:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:57:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:57:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:57:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:57:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:57:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:14,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:57:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:57:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:57:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:57:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:57:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:57:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:57:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:57:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:57:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:57:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:57:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 03:57:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:57:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:57:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:57:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 03:57:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 03:57:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 03:57:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-23 03:57:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-23 03:57:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-23 03:57:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-23 03:57:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 03:57:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-23 03:57:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-23 03:57:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-23 03:57:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-23 03:57:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:15,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4910 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 4890 trivial. 0 not checked. [2022-07-23 03:57:15,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:57:15,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819132222] [2022-07-23 03:57:15,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819132222] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:57:15,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:57:15,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:57:15,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341222005] [2022-07-23 03:57:15,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:57:15,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:57:15,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:57:15,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:57:15,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:57:15,350 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) [2022-07-23 03:57:17,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:57:19,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:57:28,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:57:30,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:57:32,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:57:32,410 INFO L93 Difference]: Finished difference Result 32711 states and 45956 transitions. [2022-07-23 03:57:32,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:57:32,411 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 [2022-07-23 03:57:32,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:57:32,477 INFO L225 Difference]: With dead ends: 32711 [2022-07-23 03:57:32,477 INFO L226 Difference]: Without dead ends: 22822 [2022-07-23 03:57:32,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:57:32,504 INFO L413 NwaCegarLoop]: 6838 mSDtfsCounter, 5697 mSDsluCounter, 6817 mSDsCounter, 0 mSdLazyCounter, 2862 mSolverCounterSat, 1512 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6183 SdHoareTripleChecker+Valid, 13655 SdHoareTripleChecker+Invalid, 4378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1512 IncrementalHoareTripleChecker+Valid, 2862 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:57:32,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6183 Valid, 13655 Invalid, 4378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1512 Valid, 2862 Invalid, 4 Unknown, 0 Unchecked, 16.4s Time] [2022-07-23 03:57:32,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22822 states. [2022-07-23 03:57:32,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22822 to 20785. [2022-07-23 03:57:32,961 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) [2022-07-23 03:57:33,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20785 states to 20785 states and 28962 transitions. [2022-07-23 03:57:33,017 INFO L78 Accepts]: Start accepts. Automaton has 20785 states and 28962 transitions. Word has length 472 [2022-07-23 03:57:33,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:57:33,018 INFO L495 AbstractCegarLoop]: Abstraction has 20785 states and 28962 transitions. [2022-07-23 03:57:33,019 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) [2022-07-23 03:57:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 20785 states and 28962 transitions. [2022-07-23 03:57:33,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-23 03:57:33,033 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:57:33,033 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] [2022-07-23 03:57:33,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 03:57:33,033 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)] === [2022-07-23 03:57:33,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:57:33,034 INFO L85 PathProgramCache]: Analyzing trace with hash -428125026, now seen corresponding path program 1 times [2022-07-23 03:57:33,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:57:33,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534577864] [2022-07-23 03:57:33,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:57:33,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:57:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:57:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:57:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:57:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:57:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:57:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:57:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:57:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:57:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:57:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:57:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:57:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:57:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:57:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:57:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:57:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:57:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:57:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:57:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:57:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:57:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:57:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:57:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:57:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:33,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:57:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:57:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 03:57:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:57:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:57:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:57:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 03:57:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 03:57:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 03:57:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-23 03:57:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-23 03:57:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-23 03:57:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-23 03:57:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 03:57:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-23 03:57:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:57:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-23 03:57:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-23 03:57:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-23 03:57:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:57:34,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4910 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4910 trivial. 0 not checked. [2022-07-23 03:57:34,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:57:34,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534577864] [2022-07-23 03:57:34,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534577864] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:57:34,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:57:34,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:57:34,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313495062] [2022-07-23 03:57:34,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:57:34,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:57:34,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:57:34,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:57:34,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:57:34,257 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)