./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 eb692b52 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-?-eb692b5 [2022-07-20 03:38:24,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:38:24,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:38:24,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:38:24,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:38:24,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:38:24,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:38:24,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:38:24,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:38:24,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:38:24,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:38:24,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:38:24,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:38:24,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:38:24,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:38:24,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:38:24,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:38:24,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:38:24,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:38:24,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:38:24,395 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:38:24,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:38:24,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:38:24,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:38:24,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:38:24,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:38:24,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:38:24,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:38:24,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:38:24,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:38:24,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:38:24,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:38:24,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:38:24,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:38:24,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:38:24,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:38:24,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:38:24,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:38:24,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:38:24,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:38:24,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:38:24,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:38:24,414 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:38:24,446 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:38:24,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:38:24,447 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:38:24,447 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:38:24,448 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:38:24,448 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:38:24,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:38:24,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:38:24,449 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:38:24,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:38:24,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:38:24,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:38:24,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:38:24,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:38:24,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:38:24,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:38:24,451 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:38:24,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:38:24,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:38:24,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:38:24,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:38:24,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:38:24,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:38:24,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:38:24,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:38:24,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:38:24,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:38:24,454 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:38:24,454 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:38:24,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:38:24,455 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a521111bd175d3310336dcb5a96ef10ad6928036ed2148cdf12f5390a99f6bb7 [2022-07-20 03:38:24,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:38:24,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:38:24,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:38:24,703 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:38:24,703 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:38:24,704 INFO L432 ainManager$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 [2022-07-20 03:38:24,776 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d0e38017/5e88173e577c4d389addcde11dda3021/FLAG4e5ec9a79 [2022-07-20 03:38:25,624 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:38:25,625 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 [2022-07-20 03:38:25,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d0e38017/5e88173e577c4d389addcde11dda3021/FLAG4e5ec9a79 [2022-07-20 03:38:25,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d0e38017/5e88173e577c4d389addcde11dda3021 [2022-07-20 03:38:25,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:38:25,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:38:25,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:38:25,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:38:25,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:38:25,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:38:25" (1/1) ... [2022-07-20 03:38:25,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8433a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:38:25, skipping insertion in model container [2022-07-20 03:38:25,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:38:25" (1/1) ... [2022-07-20 03:38:25,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:38:25,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:38:30,782 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] [2022-07-20 03:38:30,789 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] [2022-07-20 03:38:30,790 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] [2022-07-20 03:38:30,791 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] [2022-07-20 03:38:30,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:38:30,899 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:38:31,439 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] [2022-07-20 03:38:31,439 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] [2022-07-20 03:38:31,440 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] [2022-07-20 03:38:31,440 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] [2022-07-20 03:38:31,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:38:31,622 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:38:31,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:38:31 WrapperNode [2022-07-20 03:38:31,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:38:31,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:38:31,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:38:31,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:38:31,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:38:31" (1/1) ... [2022-07-20 03:38:31,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:38:31" (1/1) ... [2022-07-20 03:38:32,070 INFO L137 Inliner]: procedures = 547, calls = 8793, calls flagged for inlining = 309, calls inlined = 249, statements flattened = 13646 [2022-07-20 03:38:32,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:38:32,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:38:32,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:38:32,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:38:32,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:38:31" (1/1) ... [2022-07-20 03:38:32,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:38:31" (1/1) ... [2022-07-20 03:38:32,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:38:31" (1/1) ... [2022-07-20 03:38:32,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:38:31" (1/1) ... [2022-07-20 03:38:32,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:38:31" (1/1) ... [2022-07-20 03:38:32,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:38:31" (1/1) ... [2022-07-20 03:38:32,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:38:31" (1/1) ... [2022-07-20 03:38:32,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:38:32,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:38:32,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:38:32,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:38:32,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:38:31" (1/1) ... [2022-07-20 03:38:32,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:38:32,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:38:32,618 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) [2022-07-20 03:38:32,625 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 [2022-07-20 03:38:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 03:38:32,649 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 03:38:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-20 03:38:32,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-20 03:38:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 03:38:32,649 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 03:38:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:38:32,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:38:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2022-07-20 03:38:32,650 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2022-07-20 03:38:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2022-07-20 03:38:32,650 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2022-07-20 03:38:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2022-07-20 03:38:32,651 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2022-07-20 03:38:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2022-07-20 03:38:32,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2022-07-20 03:38:32,652 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2022-07-20 03:38:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2022-07-20 03:38:32,652 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2022-07-20 03:38:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2022-07-20 03:38:32,652 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-07-20 03:38:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-07-20 03:38:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-07-20 03:38:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2022-07-20 03:38:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2022-07-20 03:38:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2022-07-20 03:38:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2022-07-20 03:38:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2022-07-20 03:38:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2022-07-20 03:38:32,654 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2022-07-20 03:38:32,654 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2022-07-20 03:38:32,654 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 03:38:32,654 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 03:38:32,654 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-20 03:38:32,655 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2022-07-20 03:38:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2022-07-20 03:38:32,655 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2022-07-20 03:38:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2022-07-20 03:38:32,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 03:38:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 03:38:32,655 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-20 03:38:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-20 03:38:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 03:38:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 03:38:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 03:38:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 03:38:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 03:38:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 03:38:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-07-20 03:38:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-07-20 03:38:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:38:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-07-20 03:38:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-07-20 03:38:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2022-07-20 03:38:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2022-07-20 03:38:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2022-07-20 03:38:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2022-07-20 03:38:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 03:38:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 03:38:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-20 03:38:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-20 03:38:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2022-07-20 03:38:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2022-07-20 03:38:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 03:38:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 03:38:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2022-07-20 03:38:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2022-07-20 03:38:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 03:38:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2022-07-20 03:38:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2022-07-20 03:38:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 03:38:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 03:38:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-07-20 03:38:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-07-20 03:38:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 03:38:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2022-07-20 03:38:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2022-07-20 03:38:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 03:38:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 03:38:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2022-07-20 03:38:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2022-07-20 03:38:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2022-07-20 03:38:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2022-07-20 03:38:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-20 03:38:32,665 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-20 03:38:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 03:38:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-07-20 03:38:32,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-07-20 03:38:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 03:38:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 03:38:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 03:38:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 03:38:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-20 03:38:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-20 03:38:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 03:38:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 03:38:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2022-07-20 03:38:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2022-07-20 03:38:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-20 03:38:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-20 03:38:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2022-07-20 03:38:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2022-07-20 03:38:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-07-20 03:38:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 03:38:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 03:38:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-07-20 03:38:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-07-20 03:38:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:38:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-07-20 03:38:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-07-20 03:38:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 03:38:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 03:38:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 03:38:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 03:38:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2022-07-20 03:38:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2022-07-20 03:38:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:38:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2022-07-20 03:38:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2022-07-20 03:38:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 03:38:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 03:38:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:38:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 03:38:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2022-07-20 03:38:32,680 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2022-07-20 03:38:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 03:38:32,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 03:38:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2022-07-20 03:38:32,680 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2022-07-20 03:38:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-20 03:38:32,681 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-20 03:38:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2022-07-20 03:38:32,681 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2022-07-20 03:38:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2022-07-20 03:38:32,681 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2022-07-20 03:38:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2022-07-20 03:38:32,681 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2022-07-20 03:38:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2022-07-20 03:38:32,682 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2022-07-20 03:38:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-07-20 03:38:32,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-07-20 03:38:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2022-07-20 03:38:32,682 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2022-07-20 03:38:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:38:32,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:38:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-20 03:38:32,683 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-20 03:38:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:38:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:38:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 03:38:32,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 03:38:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-20 03:38:32,683 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-20 03:38:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2022-07-20 03:38:32,684 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2022-07-20 03:38:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-20 03:38:32,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-20 03:38:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2022-07-20 03:38:32,684 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2022-07-20 03:38:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-07-20 03:38:32,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-07-20 03:38:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-07-20 03:38:32,685 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-07-20 03:38:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-07-20 03:38:32,685 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-07-20 03:38:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-20 03:38:32,685 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-20 03:38:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2022-07-20 03:38:32,686 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2022-07-20 03:38:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-07-20 03:38:32,686 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-07-20 03:38:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 03:38:32,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 03:38:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2022-07-20 03:38:32,687 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2022-07-20 03:38:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2022-07-20 03:38:32,687 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2022-07-20 03:38:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2022-07-20 03:38:32,687 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2022-07-20 03:38:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 03:38:32,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 03:38:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2022-07-20 03:38:32,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2022-07-20 03:38:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2022-07-20 03:38:32,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2022-07-20 03:38:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-20 03:38:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-20 03:38:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2022-07-20 03:38:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2022-07-20 03:38:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2022-07-20 03:38:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2022-07-20 03:38:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-20 03:38:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-20 03:38:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-20 03:38:32,691 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-20 03:38:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-07-20 03:38:32,691 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-07-20 03:38:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2022-07-20 03:38:32,691 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2022-07-20 03:38:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-20 03:38:32,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-20 03:38:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2022-07-20 03:38:32,691 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2022-07-20 03:38:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2022-07-20 03:38:32,692 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2022-07-20 03:38:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:38:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 03:38:32,692 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 03:38:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2022-07-20 03:38:32,692 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2022-07-20 03:38:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:38:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2022-07-20 03:38:32,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2022-07-20 03:38:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2022-07-20 03:38:32,693 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2022-07-20 03:38:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2022-07-20 03:38:32,693 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2022-07-20 03:38:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-20 03:38:32,693 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-20 03:38:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2022-07-20 03:38:32,694 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2022-07-20 03:38:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:38:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-20 03:38:32,694 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-20 03:38:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-20 03:38:32,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-20 03:38:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 03:38:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 03:38:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 03:38:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 03:38:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2022-07-20 03:38:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2022-07-20 03:38:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-20 03:38:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-20 03:38:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-20 03:38:32,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-20 03:38:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-20 03:38:32,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-20 03:38:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 03:38:32,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 03:38:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2022-07-20 03:38:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2022-07-20 03:38:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-20 03:38:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-20 03:38:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 03:38:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 03:38:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-20 03:38:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-20 03:38:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2022-07-20 03:38:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2022-07-20 03:38:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-07-20 03:38:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-07-20 03:38:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2022-07-20 03:38:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2022-07-20 03:38:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2022-07-20 03:38:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2022-07-20 03:38:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-20 03:38:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-20 03:38:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2022-07-20 03:38:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2022-07-20 03:38:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2022-07-20 03:38:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2022-07-20 03:38:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 03:38:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 03:38:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 03:38:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 03:38:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 03:38:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-07-20 03:38:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-07-20 03:38:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-07-20 03:38:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-07-20 03:38:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 03:38:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 03:38:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2022-07-20 03:38:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2022-07-20 03:38:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 03:38:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 03:38:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2022-07-20 03:38:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2022-07-20 03:38:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2022-07-20 03:38:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2022-07-20 03:38:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-07-20 03:38:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-07-20 03:38:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2022-07-20 03:38:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2022-07-20 03:38:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2022-07-20 03:38:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2022-07-20 03:38:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-07-20 03:38:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-07-20 03:38:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-20 03:38:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-20 03:38:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-07-20 03:38:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-07-20 03:38:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-20 03:38:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-20 03:38:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-20 03:38:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-20 03:38:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2022-07-20 03:38:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2022-07-20 03:38:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2022-07-20 03:38:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2022-07-20 03:38:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 03:38:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 03:38:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2022-07-20 03:38:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2022-07-20 03:38:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2022-07-20 03:38:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2022-07-20 03:38:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2022-07-20 03:38:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2022-07-20 03:38:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-07-20 03:38:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-07-20 03:38:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-07-20 03:38:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-07-20 03:38:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2022-07-20 03:38:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2022-07-20 03:38:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2022-07-20 03:38:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2022-07-20 03:38:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 03:38:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-07-20 03:38:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-07-20 03:38:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2022-07-20 03:38:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2022-07-20 03:38:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:38:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:38:33,848 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:38:33,851 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:38:34,016 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 03:38:34,278 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; [2022-07-20 03:38:34,278 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; [2022-07-20 03:38:34,278 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; [2022-07-20 03:38:34,279 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; [2022-07-20 03:38:34,279 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11747: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:38:34,279 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11747: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:38:34,279 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 [2022-07-20 03:38:34,279 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; [2022-07-20 03:38:34,279 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11739: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:38:34,279 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11739: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:38:34,279 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11743: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:38:34,279 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11743: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:38:34,279 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:38:34,279 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:38:34,279 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11735: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:38:34,279 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11735: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:38:34,279 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 [2022-07-20 03:38:34,279 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:38:34,279 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:38:34,279 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11740: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-20 03:38:34,279 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 [2022-07-20 03:38:34,280 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11732: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-20 03:38:34,280 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11736: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-20 03:38:34,280 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); [2022-07-20 03:38:34,280 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; [2022-07-20 03:38:34,280 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11728: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-20 03:38:36,018 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 [2022-07-20 03:38:36,018 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11634: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:38:36,018 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11634: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:38:36,018 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11638: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:38:36,018 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11638: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:38:36,018 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:38:36,018 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:38:36,018 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11630: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:38:36,018 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11630: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:38:36,018 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11622: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:38:36,018 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11622: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:38:36,019 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; [2022-07-20 03:38:36,019 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 [2022-07-20 03:38:36,019 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 [2022-07-20 03:38:36,019 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11627: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-20 03:38:36,019 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11631: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-20 03:38:36,019 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; [2022-07-20 03:38:36,019 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; [2022-07-20 03:38:36,019 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11619: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-20 03:38:36,019 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11623: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-20 03:38:36,019 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:38:36,019 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:38:36,019 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; [2022-07-20 03:38:36,019 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; [2022-07-20 03:38:36,019 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); [2022-07-20 03:38:36,019 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; [2022-07-20 03:41:15,437 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 03:41:15,482 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:41:15,499 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:41:15,500 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-20 03:41:15,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:41:15 BoogieIcfgContainer [2022-07-20 03:41:15,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:41:15,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:41:15,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:41:15,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:41:15,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:38:25" (1/3) ... [2022-07-20 03:41:15,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb9d692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:41:15, skipping insertion in model container [2022-07-20 03:41:15,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:38:31" (2/3) ... [2022-07-20 03:41:15,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb9d692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:41:15, skipping insertion in model container [2022-07-20 03:41:15,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:41:15" (3/3) ... [2022-07-20 03:41:15,510 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-20 03:41:15,520 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:41:15,520 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-20 03:41:15,601 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:41:15,606 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@57bb91b9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1a07a42f [2022-07-20 03:41:15,607 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-20 03:41:15,618 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) [2022-07-20 03:41:15,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-07-20 03:41:15,652 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:41:15,653 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] [2022-07-20 03:41:15,654 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)] === [2022-07-20 03:41:15,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:41:15,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1213133364, now seen corresponding path program 1 times [2022-07-20 03:41:15,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:41:15,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011501279] [2022-07-20 03:41:15,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:41:15,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:41:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:16,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:41:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:16,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:16,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:41:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:16,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:16,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:41:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:16,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:16,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:41:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:41:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:41:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:41:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:41:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:41:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:41:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:41:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:41:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:41:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:41:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:41:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:41:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:41:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:41:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 03:41:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:41:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 03:41:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:41:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:41:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 03:41:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:41:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 03:41:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 03:41:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 03:41:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 03:41:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 03:41:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 03:41:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-20 03:41:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-20 03:41:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:17,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4278 trivial. 0 not checked. [2022-07-20 03:41:17,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:41:17,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011501279] [2022-07-20 03:41:17,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011501279] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:41:17,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:41:17,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:41:17,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342970948] [2022-07-20 03:41:17,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:41:17,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:41:17,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:41:17,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:41:17,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:41:17,539 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) [2022-07-20 03:41:19,709 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 [] [2022-07-20 03:41:21,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:41:30,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:41:33,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:41:33,164 INFO L93 Difference]: Finished difference Result 10210 states and 14938 transitions. [2022-07-20 03:41:33,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:41:33,167 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 [2022-07-20 03:41:33,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:41:33,222 INFO L225 Difference]: With dead ends: 10210 [2022-07-20 03:41:33,222 INFO L226 Difference]: Without dead ends: 6966 [2022-07-20 03:41:33,240 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 [2022-07-20 03:41:33,245 INFO L413 NwaCegarLoop]: 5037 mSDtfsCounter, 6489 mSDsluCounter, 5858 mSDsCounter, 0 mSdLazyCounter, 2827 mSolverCounterSat, 1873 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6987 SdHoareTripleChecker+Valid, 10895 SdHoareTripleChecker+Invalid, 4703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1873 IncrementalHoareTripleChecker+Valid, 2827 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-07-20 03:41:33,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6987 Valid, 10895 Invalid, 4703 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1873 Valid, 2827 Invalid, 3 Unknown, 0 Unchecked, 14.9s Time] [2022-07-20 03:41:33,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6966 states. [2022-07-20 03:41:33,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6966 to 6348. [2022-07-20 03:41:33,500 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) [2022-07-20 03:41:33,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6348 states to 6348 states and 9009 transitions. [2022-07-20 03:41:33,533 INFO L78 Accepts]: Start accepts. Automaton has 6348 states and 9009 transitions. Word has length 378 [2022-07-20 03:41:33,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:41:33,537 INFO L495 AbstractCegarLoop]: Abstraction has 6348 states and 9009 transitions. [2022-07-20 03:41:33,538 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) [2022-07-20 03:41:33,538 INFO L276 IsEmpty]: Start isEmpty. Operand 6348 states and 9009 transitions. [2022-07-20 03:41:33,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2022-07-20 03:41:33,552 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:41:33,553 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] [2022-07-20 03:41:33,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 03:41:33,554 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)] === [2022-07-20 03:41:33,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:41:33,554 INFO L85 PathProgramCache]: Analyzing trace with hash -114802349, now seen corresponding path program 1 times [2022-07-20 03:41:33,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:41:33,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142733505] [2022-07-20 03:41:33,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:41:33,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:41:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:41:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:41:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:41:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:41:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:41:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:41:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:41:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:41:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:41:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:41:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:41:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:41:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:41:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:41:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:41:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:41:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:41:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:41:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 03:41:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:41:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 03:41:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:41:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:41:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 03:41:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:41:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 03:41:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 03:41:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 03:41:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 03:41:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 03:41:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 03:41:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-20 03:41:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-20 03:41:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:41:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:41:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-20 03:41:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:41:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:41:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-20 03:41:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:41:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:41:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-20 03:41:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 03:41:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:34,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4467 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4467 trivial. 0 not checked. [2022-07-20 03:41:34,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:41:34,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142733505] [2022-07-20 03:41:34,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142733505] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:41:34,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:41:34,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 03:41:34,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698447328] [2022-07-20 03:41:34,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:41:34,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:41:34,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:41:34,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:41:34,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:41:34,832 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) [2022-07-20 03:41:36,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:41:38,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:41:52,879 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:41:55,036 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:41:57,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:41:57,119 INFO L93 Difference]: Finished difference Result 17281 states and 24596 transitions. [2022-07-20 03:41:57,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 03:41:57,126 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 [2022-07-20 03:41:57,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:41:57,193 INFO L225 Difference]: With dead ends: 17281 [2022-07-20 03:41:57,193 INFO L226 Difference]: Without dead ends: 11000 [2022-07-20 03:41:57,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-20 03:41:57,224 INFO L413 NwaCegarLoop]: 4959 mSDtfsCounter, 5368 mSDsluCounter, 6157 mSDsCounter, 0 mSdLazyCounter, 3241 mSolverCounterSat, 2809 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5746 SdHoareTripleChecker+Valid, 11116 SdHoareTripleChecker+Invalid, 6054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2809 IncrementalHoareTripleChecker+Valid, 3241 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2022-07-20 03:41:57,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5746 Valid, 11116 Invalid, 6054 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2809 Valid, 3241 Invalid, 4 Unknown, 0 Unchecked, 21.6s Time] [2022-07-20 03:41:57,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11000 states. [2022-07-20 03:41:57,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11000 to 9632. [2022-07-20 03:41:57,691 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) [2022-07-20 03:41:57,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9632 states to 9632 states and 13469 transitions. [2022-07-20 03:41:57,726 INFO L78 Accepts]: Start accepts. Automaton has 9632 states and 13469 transitions. Word has length 463 [2022-07-20 03:41:57,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:41:57,728 INFO L495 AbstractCegarLoop]: Abstraction has 9632 states and 13469 transitions. [2022-07-20 03:41:57,729 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) [2022-07-20 03:41:57,730 INFO L276 IsEmpty]: Start isEmpty. Operand 9632 states and 13469 transitions. [2022-07-20 03:41:57,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2022-07-20 03:41:57,748 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:41:57,748 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] [2022-07-20 03:41:57,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 03:41:57,749 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)] === [2022-07-20 03:41:57,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:41:57,749 INFO L85 PathProgramCache]: Analyzing trace with hash 839581145, now seen corresponding path program 1 times [2022-07-20 03:41:57,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:41:57,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640474474] [2022-07-20 03:41:57,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:41:57,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:41:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:41:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:41:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:41:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:41:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:41:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:41:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:41:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:41:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:41:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:41:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:41:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:41:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:41:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:41:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:41:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:41:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:41:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:41:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 03:41:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:41:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 03:41:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:41:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:41:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 03:41:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:41:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 03:41:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 03:41:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 03:41:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 03:41:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 03:41:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 03:41:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-20 03:41:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-20 03:41:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-20 03:41:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-20 03:41:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:41:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:41:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-20 03:41:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:41:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:41:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-20 03:41:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:41:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:41:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-20 03:41:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 03:41:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:41:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:41:58,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4599 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4590 trivial. 0 not checked. [2022-07-20 03:41:59,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:41:59,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640474474] [2022-07-20 03:41:59,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640474474] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:41:59,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:41:59,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 03:41:59,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046917364] [2022-07-20 03:41:59,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:41:59,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:41:59,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:41:59,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:41:59,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:41:59,002 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) [2022-07-20 03:42:01,153 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:42:03,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:42:14,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:42:16,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:42:19,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:42:19,314 INFO L93 Difference]: Finished difference Result 22691 states and 31936 transitions. [2022-07-20 03:42:19,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 03:42:19,315 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 [2022-07-20 03:42:19,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:42:19,361 INFO L225 Difference]: With dead ends: 22691 [2022-07-20 03:42:19,362 INFO L226 Difference]: Without dead ends: 13126 [2022-07-20 03:42:19,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-20 03:42:19,383 INFO L413 NwaCegarLoop]: 5257 mSDtfsCounter, 8232 mSDsluCounter, 6141 mSDsCounter, 0 mSdLazyCounter, 3526 mSolverCounterSat, 3607 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8805 SdHoareTripleChecker+Valid, 11398 SdHoareTripleChecker+Invalid, 7137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3607 IncrementalHoareTripleChecker+Valid, 3526 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:42:19,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8805 Valid, 11398 Invalid, 7137 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3607 Valid, 3526 Invalid, 4 Unknown, 0 Unchecked, 19.7s Time] [2022-07-20 03:42:19,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13126 states. [2022-07-20 03:42:19,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13126 to 11504. [2022-07-20 03:42:19,659 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) [2022-07-20 03:42:19,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11504 states to 11504 states and 15994 transitions. [2022-07-20 03:42:19,692 INFO L78 Accepts]: Start accepts. Automaton has 11504 states and 15994 transitions. Word has length 488 [2022-07-20 03:42:19,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:42:19,695 INFO L495 AbstractCegarLoop]: Abstraction has 11504 states and 15994 transitions. [2022-07-20 03:42:19,695 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) [2022-07-20 03:42:19,695 INFO L276 IsEmpty]: Start isEmpty. Operand 11504 states and 15994 transitions. [2022-07-20 03:42:19,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-20 03:42:19,707 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:42:19,708 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] [2022-07-20 03:42:19,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 03:42:19,708 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)] === [2022-07-20 03:42:19,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:42:19,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1815858272, now seen corresponding path program 1 times [2022-07-20 03:42:19,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:42:19,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977139311] [2022-07-20 03:42:19,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:42:19,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:42:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:42:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:42:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:42:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:42:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:42:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:42:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:42:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:42:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:42:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:42:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:42:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:42:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:42:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:42:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:42:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:42:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:42:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:42:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 03:42:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:42:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 03:42:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:42:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:42:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 03:42:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:42:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 03:42:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 03:42:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 03:42:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 03:42:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 03:42:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 03:42:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-20 03:42:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-20 03:42:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-20 03:42:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-20 03:42:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-20 03:42:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-20 03:42:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-20 03:42:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-20 03:42:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-20 03:42:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-20 03:42:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:20,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4910 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 4890 trivial. 0 not checked. [2022-07-20 03:42:20,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:42:20,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977139311] [2022-07-20 03:42:20,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977139311] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:42:20,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:42:20,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:42:20,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757529182] [2022-07-20 03:42:20,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:42:20,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:42:20,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:42:20,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:42:20,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:42:20,810 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) [2022-07-20 03:42:22,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:42:24,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:42:34,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:42:37,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:42:37,118 INFO L93 Difference]: Finished difference Result 32711 states and 45956 transitions. [2022-07-20 03:42:37,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:42:37,119 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 [2022-07-20 03:42:37,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:42:37,212 INFO L225 Difference]: With dead ends: 32711 [2022-07-20 03:42:37,212 INFO L226 Difference]: Without dead ends: 22822 [2022-07-20 03:42:37,240 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 [2022-07-20 03:42:37,242 INFO L413 NwaCegarLoop]: 6909 mSDtfsCounter, 5659 mSDsluCounter, 6862 mSDsCounter, 0 mSdLazyCounter, 2861 mSolverCounterSat, 1509 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6142 SdHoareTripleChecker+Valid, 13771 SdHoareTripleChecker+Invalid, 4373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1509 IncrementalHoareTripleChecker+Valid, 2861 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-07-20 03:42:37,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6142 Valid, 13771 Invalid, 4373 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1509 Valid, 2861 Invalid, 3 Unknown, 0 Unchecked, 15.5s Time] [2022-07-20 03:42:37,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22822 states. [2022-07-20 03:42:37,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22822 to 20785. [2022-07-20 03:42:37,786 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) [2022-07-20 03:42:37,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20785 states to 20785 states and 28962 transitions. [2022-07-20 03:42:37,854 INFO L78 Accepts]: Start accepts. Automaton has 20785 states and 28962 transitions. Word has length 472 [2022-07-20 03:42:37,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:42:37,855 INFO L495 AbstractCegarLoop]: Abstraction has 20785 states and 28962 transitions. [2022-07-20 03:42:37,856 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) [2022-07-20 03:42:37,856 INFO L276 IsEmpty]: Start isEmpty. Operand 20785 states and 28962 transitions. [2022-07-20 03:42:37,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-20 03:42:37,871 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:42:37,871 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 32, 32, 32, 32, 32, 32, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:42:37,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 03:42:37,872 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)] === [2022-07-20 03:42:37,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:42:37,872 INFO L85 PathProgramCache]: Analyzing trace with hash -428125026, now seen corresponding path program 1 times [2022-07-20 03:42:37,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:42:37,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322552581] [2022-07-20 03:42:37,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:42:37,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:42:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:42:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:42:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:42:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:42:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:42:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:42:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:42:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:42:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:42:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:42:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:42:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:42:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:42:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:42:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:42:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:42:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:42:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:42:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 03:42:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:42:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 03:42:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:42:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:42:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 03:42:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:38,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:42:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 03:42:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 03:42:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 03:42:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 03:42:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 03:42:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 03:42:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-20 03:42:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-20 03:42:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-20 03:42:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-20 03:42:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-20 03:42:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-20 03:42:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-20 03:42:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:42:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-20 03:42:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-20 03:42:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-20 03:42:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:42:39,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4910 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4910 trivial. 0 not checked. [2022-07-20 03:42:39,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:42:39,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322552581] [2022-07-20 03:42:39,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322552581] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:42:39,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:42:39,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 03:42:39,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134394485] [2022-07-20 03:42:39,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:42:39,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:42:39,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:42:39,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:42:39,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:42:39,286 INFO L87 Difference]: Start difference. First operand 20785 states and 28962 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43)