./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 f4b24e32 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-?-f4b24e3 [2022-07-14 04:17:31,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:17:31,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:17:31,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:17:31,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:17:31,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:17:31,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:17:31,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:17:31,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:17:31,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:17:31,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:17:31,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:17:31,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:17:31,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:17:31,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:17:31,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:17:31,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:17:31,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:17:31,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:17:31,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:17:31,691 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:17:31,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:17:31,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:17:31,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:17:31,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:17:31,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:17:31,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:17:31,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:17:31,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:17:31,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:17:31,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:17:31,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:17:31,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:17:31,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:17:31,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:17:31,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:17:31,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:17:31,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:17:31,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:17:31,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:17:31,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:17:31,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:17:31,706 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:17:31,734 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:17:31,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:17:31,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:17:31,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:17:31,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:17:31,736 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:17:31,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:17:31,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:17:31,737 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:17:31,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:17:31,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:17:31,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:17:31,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:17:31,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:17:31,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:17:31,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:17:31,739 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:17:31,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:17:31,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:17:31,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:17:31,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:17:31,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:17:31,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:17:31,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:17:31,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:17:31,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:17:31,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:17:31,740 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:17:31,741 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:17:31,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:17:31,741 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a521111bd175d3310336dcb5a96ef10ad6928036ed2148cdf12f5390a99f6bb7 [2022-07-14 04:17:31,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:17:31,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:17:31,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:17:31,967 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:17:31,968 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:17:31,968 INFO L432 ainManager$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 [2022-07-14 04:17:32,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0da714dc/246f482cf5de4a0e9a5ea60a05877b38/FLAGf382a7fc6 [2022-07-14 04:17:32,830 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:17:32,831 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 [2022-07-14 04:17:32,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0da714dc/246f482cf5de4a0e9a5ea60a05877b38/FLAGf382a7fc6 [2022-07-14 04:17:33,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0da714dc/246f482cf5de4a0e9a5ea60a05877b38 [2022-07-14 04:17:33,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:17:33,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:17:33,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:17:33,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:17:33,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:17:33,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:17:33" (1/1) ... [2022-07-14 04:17:33,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ce47099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:17:33, skipping insertion in model container [2022-07-14 04:17:33,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:17:33" (1/1) ... [2022-07-14 04:17:33,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:17:33,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:17:37,810 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] [2022-07-14 04:17:37,814 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] [2022-07-14 04:17:37,814 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] [2022-07-14 04:17:37,815 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] [2022-07-14 04:17:37,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:17:37,924 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:17:38,650 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] [2022-07-14 04:17:38,651 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] [2022-07-14 04:17:38,651 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] [2022-07-14 04:17:38,651 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] [2022-07-14 04:17:38,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:17:38,811 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:17:38,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:17:38 WrapperNode [2022-07-14 04:17:38,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:17:38,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:17:38,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:17:38,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:17:38,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:17:38" (1/1) ... [2022-07-14 04:17:39,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:17:38" (1/1) ... [2022-07-14 04:17:39,469 INFO L137 Inliner]: procedures = 547, calls = 8793, calls flagged for inlining = 309, calls inlined = 249, statements flattened = 13646 [2022-07-14 04:17:39,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:17:39,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:17:39,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:17:39,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:17:39,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:17:38" (1/1) ... [2022-07-14 04:17:39,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:17:38" (1/1) ... [2022-07-14 04:17:39,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:17:38" (1/1) ... [2022-07-14 04:17:39,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:17:38" (1/1) ... [2022-07-14 04:17:40,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:17:38" (1/1) ... [2022-07-14 04:17:40,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:17:38" (1/1) ... [2022-07-14 04:17:40,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:17:38" (1/1) ... [2022-07-14 04:17:40,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:17:40,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:17:40,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:17:40,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:17:40,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:17:38" (1/1) ... [2022-07-14 04:17:40,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:17:40,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:17:40,380 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) [2022-07-14 04:17:40,431 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 [2022-07-14 04:17:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 04:17:40,471 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 04:17:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-14 04:17:40,471 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-14 04:17:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 04:17:40,471 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 04:17:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:17:40,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:17:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2022-07-14 04:17:40,472 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2022-07-14 04:17:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2022-07-14 04:17:40,472 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2022-07-14 04:17:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2022-07-14 04:17:40,472 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2022-07-14 04:17:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2022-07-14 04:17:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2022-07-14 04:17:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2022-07-14 04:17:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2022-07-14 04:17:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2022-07-14 04:17:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2022-07-14 04:17:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-07-14 04:17:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-07-14 04:17:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-07-14 04:17:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2022-07-14 04:17:40,487 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2022-07-14 04:17:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2022-07-14 04:17:40,487 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2022-07-14 04:17:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2022-07-14 04:17:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2022-07-14 04:17:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2022-07-14 04:17:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2022-07-14 04:17:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 04:17:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 04:17:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-14 04:17:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2022-07-14 04:17:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2022-07-14 04:17:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2022-07-14 04:17:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2022-07-14 04:17:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:17:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:17:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-14 04:17:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-14 04:17:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 04:17:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 04:17:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:17:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:17:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 04:17:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 04:17:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-07-14 04:17:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-07-14 04:17:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:17:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-07-14 04:17:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-07-14 04:17:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2022-07-14 04:17:40,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2022-07-14 04:17:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2022-07-14 04:17:40,493 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2022-07-14 04:17:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-14 04:17:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-14 04:17:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-14 04:17:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-14 04:17:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2022-07-14 04:17:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2022-07-14 04:17:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 04:17:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 04:17:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2022-07-14 04:17:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2022-07-14 04:17:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 04:17:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2022-07-14 04:17:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2022-07-14 04:17:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 04:17:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 04:17:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-07-14 04:17:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-07-14 04:17:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 04:17:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2022-07-14 04:17:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2022-07-14 04:17:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:17:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:17:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2022-07-14 04:17:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2022-07-14 04:17:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2022-07-14 04:17:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2022-07-14 04:17:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-14 04:17:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-14 04:17:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 04:17:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-07-14 04:17:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-07-14 04:17:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 04:17:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 04:17:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 04:17:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 04:17:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-14 04:17:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-14 04:17:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 04:17:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 04:17:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2022-07-14 04:17:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2022-07-14 04:17:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-14 04:17:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-14 04:17:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2022-07-14 04:17:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2022-07-14 04:17:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-07-14 04:17:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-14 04:17:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-14 04:17:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-07-14 04:17:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-07-14 04:17:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:17:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-07-14 04:17:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-07-14 04:17:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 04:17:40,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 04:17:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-14 04:17:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-14 04:17:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2022-07-14 04:17:40,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2022-07-14 04:17:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:17:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2022-07-14 04:17:40,505 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2022-07-14 04:17:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:17:40,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:17:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:17:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 04:17:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2022-07-14 04:17:40,510 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2022-07-14 04:17:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 04:17:40,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 04:17:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2022-07-14 04:17:40,510 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2022-07-14 04:17:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-14 04:17:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-14 04:17:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2022-07-14 04:17:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2022-07-14 04:17:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2022-07-14 04:17:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2022-07-14 04:17:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2022-07-14 04:17:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2022-07-14 04:17:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2022-07-14 04:17:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2022-07-14 04:17:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-07-14 04:17:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-07-14 04:17:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2022-07-14 04:17:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2022-07-14 04:17:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:17:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:17:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-14 04:17:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-14 04:17:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:17:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:17:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:17:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:17:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-14 04:17:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-14 04:17:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2022-07-14 04:17:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2022-07-14 04:17:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-14 04:17:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-14 04:17:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2022-07-14 04:17:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2022-07-14 04:17:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-07-14 04:17:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-07-14 04:17:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-07-14 04:17:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-07-14 04:17:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-07-14 04:17:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-07-14 04:17:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-14 04:17:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-14 04:17:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2022-07-14 04:17:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2022-07-14 04:17:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-07-14 04:17:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-07-14 04:17:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 04:17:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 04:17:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2022-07-14 04:17:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2022-07-14 04:17:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2022-07-14 04:17:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2022-07-14 04:17:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2022-07-14 04:17:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2022-07-14 04:17:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 04:17:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 04:17:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2022-07-14 04:17:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2022-07-14 04:17:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2022-07-14 04:17:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2022-07-14 04:17:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-14 04:17:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-14 04:17:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2022-07-14 04:17:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2022-07-14 04:17:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2022-07-14 04:17:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2022-07-14 04:17:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-14 04:17:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-14 04:17:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-14 04:17:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-14 04:17:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-07-14 04:17:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-07-14 04:17:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2022-07-14 04:17:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2022-07-14 04:17:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-14 04:17:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-14 04:17:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2022-07-14 04:17:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2022-07-14 04:17:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2022-07-14 04:17:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2022-07-14 04:17:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:17:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 04:17:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 04:17:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2022-07-14 04:17:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2022-07-14 04:17:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:17:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2022-07-14 04:17:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2022-07-14 04:17:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2022-07-14 04:17:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2022-07-14 04:17:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2022-07-14 04:17:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2022-07-14 04:17:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-14 04:17:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-14 04:17:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2022-07-14 04:17:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2022-07-14 04:17:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:17:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-14 04:17:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-14 04:17:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-14 04:17:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-14 04:17:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 04:17:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 04:17:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 04:17:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 04:17:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2022-07-14 04:17:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2022-07-14 04:17:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 04:17:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 04:17:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-14 04:17:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-14 04:17:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-14 04:17:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-14 04:17:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:17:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:17:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2022-07-14 04:17:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2022-07-14 04:17:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-14 04:17:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-14 04:17:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 04:17:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 04:17:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-14 04:17:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-14 04:17:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2022-07-14 04:17:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2022-07-14 04:17:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-07-14 04:17:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-07-14 04:17:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2022-07-14 04:17:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2022-07-14 04:17:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2022-07-14 04:17:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2022-07-14 04:17:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-14 04:17:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-14 04:17:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2022-07-14 04:17:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2022-07-14 04:17:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2022-07-14 04:17:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2022-07-14 04:17:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 04:17:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 04:17:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 04:17:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:17:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:17:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-07-14 04:17:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-07-14 04:17:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-07-14 04:17:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-07-14 04:17:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 04:17:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 04:17:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2022-07-14 04:17:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2022-07-14 04:17:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-14 04:17:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-14 04:17:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2022-07-14 04:17:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2022-07-14 04:17:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2022-07-14 04:17:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2022-07-14 04:17:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-07-14 04:17:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-07-14 04:17:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2022-07-14 04:17:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2022-07-14 04:17:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2022-07-14 04:17:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2022-07-14 04:17:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-07-14 04:17:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-07-14 04:17:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-14 04:17:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-14 04:17:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-07-14 04:17:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-07-14 04:17:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-14 04:17:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-14 04:17:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-14 04:17:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-14 04:17:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2022-07-14 04:17:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2022-07-14 04:17:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2022-07-14 04:17:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2022-07-14 04:17:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:17:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:17:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2022-07-14 04:17:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2022-07-14 04:17:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2022-07-14 04:17:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2022-07-14 04:17:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2022-07-14 04:17:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2022-07-14 04:17:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-07-14 04:17:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-07-14 04:17:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-07-14 04:17:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-07-14 04:17:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2022-07-14 04:17:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2022-07-14 04:17:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2022-07-14 04:17:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2022-07-14 04:17:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 04:17:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-07-14 04:17:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-07-14 04:17:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2022-07-14 04:17:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2022-07-14 04:17:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 04:17:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 04:17:41,598 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:17:41,600 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:17:41,771 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:17:41,956 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; [2022-07-14 04:17:41,956 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; [2022-07-14 04:17:41,956 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; [2022-07-14 04:17:41,956 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; [2022-07-14 04:17:41,956 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11747: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:17:41,957 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11747: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:17:41,957 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 [2022-07-14 04:17:41,957 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; [2022-07-14 04:17:41,957 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11739: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:17:41,957 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11739: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:17:41,957 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11743: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:17:41,957 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11743: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:17:41,958 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:17:41,958 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:17:41,958 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11735: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:17:41,958 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11735: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:17:41,958 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 [2022-07-14 04:17:41,958 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:17:41,958 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:17:41,958 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11740: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-14 04:17:41,959 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 [2022-07-14 04:17:41,959 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11732: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-14 04:17:41,959 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11736: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-14 04:17:41,959 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); [2022-07-14 04:17:41,959 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; [2022-07-14 04:17:41,959 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11728: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-14 04:17:43,672 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 [2022-07-14 04:17:43,672 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11634: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:17:43,673 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11634: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:17:43,673 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11638: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:17:43,673 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11638: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:17:43,673 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:17:43,673 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:17:43,673 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11630: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:17:43,673 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11630: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:17:43,673 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11622: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:17:43,673 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11622: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:17:43,674 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; [2022-07-14 04:17:43,674 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 [2022-07-14 04:17:43,674 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 [2022-07-14 04:17:43,674 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11627: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-14 04:17:43,674 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11631: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-14 04:17:43,674 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; [2022-07-14 04:17:43,674 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; [2022-07-14 04:17:43,675 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11619: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-14 04:17:43,675 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11623: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-14 04:17:43,675 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:17:43,675 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:17:43,675 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; [2022-07-14 04:17:43,675 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; [2022-07-14 04:17:43,675 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); [2022-07-14 04:17:43,675 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; [2022-07-14 04:20:12,415 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 04:20:12,489 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:20:12,514 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:20:12,514 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-14 04:20:12,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:20:12 BoogieIcfgContainer [2022-07-14 04:20:12,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:20:12,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:20:12,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:20:12,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:20:12,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:17:33" (1/3) ... [2022-07-14 04:20:12,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150332ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:20:12, skipping insertion in model container [2022-07-14 04:20:12,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:17:38" (2/3) ... [2022-07-14 04:20:12,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150332ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:20:12, skipping insertion in model container [2022-07-14 04:20:12,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:20:12" (3/3) ... [2022-07-14 04:20:12,527 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-14 04:20:12,536 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:20:12,536 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-14 04:20:12,624 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:20:12,630 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@1a256136, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@702d72f9 [2022-07-14 04:20:12,631 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-14 04:20:12,642 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) [2022-07-14 04:20:12,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-07-14 04:20:12,675 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:20:12,676 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] [2022-07-14 04:20:12,677 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)] === [2022-07-14 04:20:12,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:20:12,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1213133364, now seen corresponding path program 1 times [2022-07-14 04:20:12,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:20:12,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593279887] [2022-07-14 04:20:12,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:20:12,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:20:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:13,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:20:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:13,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:13,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:20:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:13,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:13,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:20:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:13,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:13,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:20:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:13,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:13,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:20:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:20:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:20:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:20:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:20:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:20:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:20:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:20:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:20:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 04:20:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 04:20:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 04:20:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 04:20:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 04:20:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 04:20:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 04:20:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 04:20:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 04:20:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 04:20:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 04:20:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 04:20:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 04:20:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 04:20:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 04:20:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 04:20:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 04:20:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 04:20:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-14 04:20:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-14 04:20:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:14,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4278 trivial. 0 not checked. [2022-07-14 04:20:14,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:20:14,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593279887] [2022-07-14 04:20:14,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593279887] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:20:14,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:20:14,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:20:14,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926038974] [2022-07-14 04:20:14,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:20:14,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:20:14,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:20:14,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:20:14,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:20:14,706 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) [2022-07-14 04:20:16,883 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 [] [2022-07-14 04:20:18,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:20:27,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:20:30,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:20:30,716 INFO L93 Difference]: Finished difference Result 10210 states and 14938 transitions. [2022-07-14 04:20:30,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:20:30,718 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 [2022-07-14 04:20:30,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:20:30,771 INFO L225 Difference]: With dead ends: 10210 [2022-07-14 04:20:30,772 INFO L226 Difference]: Without dead ends: 6966 [2022-07-14 04:20:30,791 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 [2022-07-14 04:20:30,793 INFO L413 NwaCegarLoop]: 5054 mSDtfsCounter, 6484 mSDsluCounter, 5888 mSDsCounter, 0 mSdLazyCounter, 2828 mSolverCounterSat, 1870 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6979 SdHoareTripleChecker+Valid, 10942 SdHoareTripleChecker+Invalid, 4701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1870 IncrementalHoareTripleChecker+Valid, 2828 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:20:30,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6979 Valid, 10942 Invalid, 4701 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1870 Valid, 2828 Invalid, 3 Unknown, 0 Unchecked, 15.3s Time] [2022-07-14 04:20:30,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6966 states. [2022-07-14 04:20:31,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6966 to 6348. [2022-07-14 04:20:31,054 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) [2022-07-14 04:20:31,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6348 states to 6348 states and 9009 transitions. [2022-07-14 04:20:31,088 INFO L78 Accepts]: Start accepts. Automaton has 6348 states and 9009 transitions. Word has length 378 [2022-07-14 04:20:31,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:20:31,090 INFO L495 AbstractCegarLoop]: Abstraction has 6348 states and 9009 transitions. [2022-07-14 04:20:31,090 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) [2022-07-14 04:20:31,090 INFO L276 IsEmpty]: Start isEmpty. Operand 6348 states and 9009 transitions. [2022-07-14 04:20:31,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2022-07-14 04:20:31,101 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:20:31,101 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] [2022-07-14 04:20:31,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 04:20:31,102 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)] === [2022-07-14 04:20:31,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:20:31,103 INFO L85 PathProgramCache]: Analyzing trace with hash -114802349, now seen corresponding path program 1 times [2022-07-14 04:20:31,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:20:31,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074206549] [2022-07-14 04:20:31,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:20:31,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:20:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:20:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:20:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:20:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:20:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:20:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:20:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:20:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:20:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:20:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:20:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:20:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:20:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:20:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 04:20:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 04:20:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 04:20:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 04:20:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:31,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 04:20:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 04:20:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 04:20:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 04:20:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 04:20:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 04:20:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 04:20:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 04:20:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 04:20:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 04:20:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 04:20:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 04:20:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 04:20:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 04:20:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-14 04:20:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-14 04:20:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:20:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:20:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-14 04:20:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:20:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:20:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-14 04:20:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:20:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:20:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-14 04:20:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:20:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:32,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4467 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4467 trivial. 0 not checked. [2022-07-14 04:20:32,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:20:32,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074206549] [2022-07-14 04:20:32,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074206549] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:20:32,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:20:32,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:20:32,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564727787] [2022-07-14 04:20:32,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:20:32,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:20:32,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:20:32,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:20:32,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:20:32,455 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) [2022-07-14 04:20:34,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:20:36,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:20:50,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:20:52,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:20:54,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:20:56,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:20:58,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:20:58,322 INFO L93 Difference]: Finished difference Result 17297 states and 24620 transitions. [2022-07-14 04:20:58,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:20:58,322 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 [2022-07-14 04:20:58,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:20:58,373 INFO L225 Difference]: With dead ends: 17297 [2022-07-14 04:20:58,374 INFO L226 Difference]: Without dead ends: 11016 [2022-07-14 04:20:58,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-14 04:20:58,395 INFO L413 NwaCegarLoop]: 4974 mSDtfsCounter, 5359 mSDsluCounter, 6157 mSDsCounter, 0 mSdLazyCounter, 3253 mSolverCounterSat, 2809 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5737 SdHoareTripleChecker+Valid, 11131 SdHoareTripleChecker+Invalid, 6067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2809 IncrementalHoareTripleChecker+Valid, 3253 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:20:58,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5737 Valid, 11131 Invalid, 6067 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2809 Valid, 3253 Invalid, 5 Unknown, 0 Unchecked, 25.2s Time] [2022-07-14 04:20:58,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11016 states. [2022-07-14 04:20:58,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11016 to 9632. [2022-07-14 04:20:58,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9632 states, 7240 states have (on average 1.3408839779005526) internal successors, (9708), 7296 states have internal predecessors, (9708), 1882 states have call successors, (1882), 507 states have call predecessors, (1882), 506 states have return successors, (1879), 1858 states have call predecessors, (1879), 1879 states have call successors, (1879) [2022-07-14 04:20:58,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9632 states to 9632 states and 13469 transitions. [2022-07-14 04:20:58,717 INFO L78 Accepts]: Start accepts. Automaton has 9632 states and 13469 transitions. Word has length 463 [2022-07-14 04:20:58,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:20:58,721 INFO L495 AbstractCegarLoop]: Abstraction has 9632 states and 13469 transitions. [2022-07-14 04:20:58,722 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) [2022-07-14 04:20:58,722 INFO L276 IsEmpty]: Start isEmpty. Operand 9632 states and 13469 transitions. [2022-07-14 04:20:58,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2022-07-14 04:20:58,735 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:20:58,735 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] [2022-07-14 04:20:58,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 04:20:58,736 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)] === [2022-07-14 04:20:58,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:20:58,736 INFO L85 PathProgramCache]: Analyzing trace with hash 839581145, now seen corresponding path program 1 times [2022-07-14 04:20:58,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:20:58,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859165637] [2022-07-14 04:20:58,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:20:58,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:20:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:20:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:20:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:20:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:20:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:20:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:20:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:20:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:20:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:20:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:20:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:20:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:20:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:20:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 04:20:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 04:20:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 04:20:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 04:20:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 04:20:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 04:20:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 04:20:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 04:20:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 04:20:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 04:20:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 04:20:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 04:20:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 04:20:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 04:20:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 04:20:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 04:20:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 04:20:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 04:20:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-14 04:20:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-14 04:20:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-14 04:20:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-14 04:20:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:20:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:20:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:20:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-14 04:20:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:00,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:00,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:21:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:00,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:21:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:00,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-14 04:21:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:00,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:00,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:21:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:00,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:21:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:00,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-14 04:21:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:00,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:21:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:00,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:00,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4599 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4590 trivial. 0 not checked. [2022-07-14 04:21:00,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:21:00,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859165637] [2022-07-14 04:21:00,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859165637] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:21:00,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:21:00,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:21:00,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334416363] [2022-07-14 04:21:00,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:21:00,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:21:00,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:21:00,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:21:00,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:21:00,093 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) [2022-07-14 04:21:02,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:21:04,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:21:06,326 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:21:19,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:21:21,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:21:23,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:21:28,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:21:28,483 INFO L93 Difference]: Finished difference Result 22691 states and 31936 transitions. [2022-07-14 04:21:28,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:21:28,484 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 [2022-07-14 04:21:28,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:21:28,536 INFO L225 Difference]: With dead ends: 22691 [2022-07-14 04:21:28,537 INFO L226 Difference]: Without dead ends: 13126 [2022-07-14 04:21:28,563 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 [2022-07-14 04:21:28,564 INFO L413 NwaCegarLoop]: 5230 mSDtfsCounter, 6621 mSDsluCounter, 8166 mSDsCounter, 0 mSdLazyCounter, 4978 mSolverCounterSat, 2096 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7190 SdHoareTripleChecker+Valid, 13396 SdHoareTripleChecker+Invalid, 7080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2096 IncrementalHoareTripleChecker+Valid, 4978 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:21:28,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7190 Valid, 13396 Invalid, 7080 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2096 Valid, 4978 Invalid, 6 Unknown, 0 Unchecked, 27.6s Time] [2022-07-14 04:21:28,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13126 states. [2022-07-14 04:21:28,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13126 to 11504. [2022-07-14 04:21:28,971 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) [2022-07-14 04:21:29,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11504 states to 11504 states and 15994 transitions. [2022-07-14 04:21:29,004 INFO L78 Accepts]: Start accepts. Automaton has 11504 states and 15994 transitions. Word has length 488 [2022-07-14 04:21:29,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:21:29,005 INFO L495 AbstractCegarLoop]: Abstraction has 11504 states and 15994 transitions. [2022-07-14 04:21:29,005 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) [2022-07-14 04:21:29,005 INFO L276 IsEmpty]: Start isEmpty. Operand 11504 states and 15994 transitions. [2022-07-14 04:21:29,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-14 04:21:29,017 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:21:29,017 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] [2022-07-14 04:21:29,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 04:21:29,018 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)] === [2022-07-14 04:21:29,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:21:29,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1815858272, now seen corresponding path program 1 times [2022-07-14 04:21:29,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:21:29,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196971155] [2022-07-14 04:21:29,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:21:29,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:21:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:21:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:21:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:21:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:21:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:21:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:21:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:21:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:21:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:21:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:21:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:21:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:21:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:21:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 04:21:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 04:21:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 04:21:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 04:21:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 04:21:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 04:21:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 04:21:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 04:21:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 04:21:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:29,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 04:21:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 04:21:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 04:21:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 04:21:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 04:21:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 04:21:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 04:21:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 04:21:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 04:21:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-14 04:21:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-14 04:21:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-14 04:21:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-14 04:21:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-14 04:21:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-14 04:21:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-14 04:21:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:21:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-14 04:21:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-14 04:21:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-14 04:21:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:30,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4910 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 4890 trivial. 0 not checked. [2022-07-14 04:21:30,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:21:30,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196971155] [2022-07-14 04:21:30,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196971155] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:21:30,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:21:30,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:21:30,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442260091] [2022-07-14 04:21:30,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:21:30,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:21:30,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:21:30,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:21:30,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:21:30,261 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) [2022-07-14 04:21:32,406 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:21:34,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:21:44,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:21:46,372 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []