./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_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 5dfd7cb83fe5e8f1a1c790b3fb965075f4c8177484030f9001ac667825217333 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 02:14:50,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:14:50,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:14:50,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:14:50,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:14:50,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:14:50,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:14:50,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:14:50,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:14:50,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:14:50,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:14:50,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:14:50,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:14:50,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:14:50,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:14:50,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:14:50,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:14:50,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:14:50,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:14:50,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:14:50,084 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:14:50,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:14:50,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:14:50,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:14:50,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:14:50,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:14:50,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:14:50,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:14:50,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:14:50,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:14:50,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:14:50,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:14:50,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:14:50,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:14:50,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:14:50,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:14:50,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:14:50,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:14:50,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:14:50,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:14:50,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:14:50,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:14:50,110 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 02:14:50,157 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:14:50,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:14:50,158 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:14:50,159 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:14:50,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:14:50,159 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:14:50,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:14:50,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:14:50,160 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:14:50,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:14:50,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 02:14:50,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:14:50,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:14:50,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:14:50,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:14:50,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:14:50,163 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:14:50,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:14:50,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:14:50,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:14:50,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:14:50,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:14:50,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:14:50,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:14:50,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:14:50,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 02:14:50,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 02:14:50,172 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:14:50,172 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:14:50,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:14:50,173 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5dfd7cb83fe5e8f1a1c790b3fb965075f4c8177484030f9001ac667825217333 [2022-07-20 02:14:50,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:14:50,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:14:50,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:14:50,488 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:14:50,489 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:14:50,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-20 02:14:50,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7bb47b4a/2783d5d2b8c74bd683a65e7a1cf1a2f7/FLAG683b7bc3e [2022-07-20 02:14:51,520 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:14:51,521 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-20 02:14:51,620 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7bb47b4a/2783d5d2b8c74bd683a65e7a1cf1a2f7/FLAG683b7bc3e [2022-07-20 02:14:51,859 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7bb47b4a/2783d5d2b8c74bd683a65e7a1cf1a2f7 [2022-07-20 02:14:51,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:14:51,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:14:51,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:14:51,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:14:51,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:14:51,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:14:51" (1/1) ... [2022-07-20 02:14:51,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ea4db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:14:51, skipping insertion in model container [2022-07-20 02:14:51,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:14:51" (1/1) ... [2022-07-20 02:14:51,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:14:52,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:14:58,191 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622320,622333] [2022-07-20 02:14:58,195 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622489,622502] [2022-07-20 02:14:58,196 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622656,622669] [2022-07-20 02:14:58,196 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622824,622837] [2022-07-20 02:14:58,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:14:58,335 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:14:59,046 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622320,622333] [2022-07-20 02:14:59,047 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622489,622502] [2022-07-20 02:14:59,047 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622656,622669] [2022-07-20 02:14:59,047 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622824,622837] [2022-07-20 02:14:59,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:14:59,301 INFO L208 MainTranslator]: Completed translation [2022-07-20 02:14:59,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:14:59 WrapperNode [2022-07-20 02:14:59,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 02:14:59,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 02:14:59,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 02:14:59,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 02:14:59,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:14:59" (1/1) ... [2022-07-20 02:14:59,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:14:59" (1/1) ... [2022-07-20 02:14:59,949 INFO L137 Inliner]: procedures = 616, calls = 8910, calls flagged for inlining = 315, calls inlined = 243, statements flattened = 13612 [2022-07-20 02:14:59,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 02:14:59,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 02:14:59,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 02:14:59,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 02:14:59,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:14:59" (1/1) ... [2022-07-20 02:14:59,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:14:59" (1/1) ... [2022-07-20 02:15:00,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:14:59" (1/1) ... [2022-07-20 02:15:00,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:14:59" (1/1) ... [2022-07-20 02:15:00,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:14:59" (1/1) ... [2022-07-20 02:15:00,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:14:59" (1/1) ... [2022-07-20 02:15:00,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:14:59" (1/1) ... [2022-07-20 02:15:00,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 02:15:00,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 02:15:00,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 02:15:00,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 02:15:00,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:14:59" (1/1) ... [2022-07-20 02:15:00,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:15:00,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:15:01,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 02:15:01,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 02:15:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 02:15:01,060 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 02:15:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-20 02:15:01,061 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-20 02:15:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 02:15:01,061 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 02:15:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 02:15:01,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 02:15:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2022-07-20 02:15:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2022-07-20 02:15:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2022-07-20 02:15:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2022-07-20 02:15:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2022-07-20 02:15:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2022-07-20 02:15:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2022-07-20 02:15:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2022-07-20 02:15:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2022-07-20 02:15:01,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2022-07-20 02:15:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 02:15:01,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 02:15:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2022-07-20 02:15:01,063 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2022-07-20 02:15:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-07-20 02:15:01,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-07-20 02:15:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-07-20 02:15:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2022-07-20 02:15:01,064 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2022-07-20 02:15:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2022-07-20 02:15:01,064 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2022-07-20 02:15:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2022-07-20 02:15:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2022-07-20 02:15:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2022-07-20 02:15:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2022-07-20 02:15:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 02:15:01,066 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 02:15:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-20 02:15:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2022-07-20 02:15:01,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2022-07-20 02:15:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2022-07-20 02:15:01,067 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2022-07-20 02:15:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 02:15:01,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 02:15:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-20 02:15:01,067 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-20 02:15:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 02:15:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 02:15:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_49 [2022-07-20 02:15:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_49 [2022-07-20 02:15:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 02:15:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 02:15:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 02:15:01,070 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 02:15:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-07-20 02:15:01,070 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-07-20 02:15:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 02:15:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-07-20 02:15:01,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-07-20 02:15:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2022-07-20 02:15:01,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2022-07-20 02:15:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2022-07-20 02:15:01,071 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2022-07-20 02:15:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 02:15:01,072 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 02:15:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-20 02:15:01,072 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-20 02:15:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2022-07-20 02:15:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2022-07-20 02:15:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 02:15:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 02:15:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2022-07-20 02:15:01,074 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2022-07-20 02:15:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 02:15:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2022-07-20 02:15:01,074 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2022-07-20 02:15:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 02:15:01,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 02:15:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-07-20 02:15:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-07-20 02:15:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 02:15:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2022-07-20 02:15:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2022-07-20 02:15:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 02:15:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 02:15:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2022-07-20 02:15:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2022-07-20 02:15:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2022-07-20 02:15:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2022-07-20 02:15:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-20 02:15:01,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-20 02:15:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 02:15:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-07-20 02:15:01,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-07-20 02:15:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 02:15:01,078 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 02:15:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 02:15:01,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 02:15:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-20 02:15:01,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-20 02:15:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 02:15:01,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 02:15:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2022-07-20 02:15:01,079 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2022-07-20 02:15:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-20 02:15:01,080 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-20 02:15:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2022-07-20 02:15:01,080 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2022-07-20 02:15:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-07-20 02:15:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 02:15:01,081 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 02:15:01,081 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-07-20 02:15:01,081 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-07-20 02:15:01,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:15:01,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:15:01,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 02:15:01,085 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-07-20 02:15:01,085 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-07-20 02:15:01,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 02:15:01,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 02:15:01,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 02:15:01,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 02:15:01,087 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2022-07-20 02:15:01,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2022-07-20 02:15:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 02:15:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2022-07-20 02:15:01,092 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2022-07-20 02:15:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 02:15:01,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 02:15:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 02:15:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 02:15:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2022-07-20 02:15:01,093 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2022-07-20 02:15:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 02:15:01,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 02:15:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2022-07-20 02:15:01,094 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2022-07-20 02:15:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-20 02:15:01,094 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-20 02:15:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2022-07-20 02:15:01,094 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2022-07-20 02:15:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2022-07-20 02:15:01,094 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2022-07-20 02:15:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2022-07-20 02:15:01,095 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2022-07-20 02:15:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-20 02:15:01,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-20 02:15:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2022-07-20 02:15:01,095 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2022-07-20 02:15:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-07-20 02:15:01,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-07-20 02:15:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2022-07-20 02:15:01,096 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2022-07-20 02:15:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 02:15:01,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 02:15:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-20 02:15:01,096 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-20 02:15:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 02:15:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 02:15:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 02:15:01,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 02:15:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-20 02:15:01,097 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-20 02:15:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2022-07-20 02:15:01,098 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2022-07-20 02:15:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-20 02:15:01,098 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-20 02:15:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 02:15:01,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 02:15:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2022-07-20 02:15:01,099 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2022-07-20 02:15:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-07-20 02:15:01,099 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-07-20 02:15:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-07-20 02:15:01,099 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-07-20 02:15:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-07-20 02:15:01,100 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-07-20 02:15:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-20 02:15:01,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-20 02:15:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2022-07-20 02:15:01,100 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2022-07-20 02:15:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-07-20 02:15:01,101 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-07-20 02:15:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 02:15:01,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 02:15:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2022-07-20 02:15:01,101 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2022-07-20 02:15:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2022-07-20 02:15:01,103 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2022-07-20 02:15:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2022-07-20 02:15:01,103 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2022-07-20 02:15:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 02:15:01,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 02:15:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2022-07-20 02:15:01,103 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2022-07-20 02:15:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2022-07-20 02:15:01,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2022-07-20 02:15:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-20 02:15:01,104 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-20 02:15:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2022-07-20 02:15:01,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2022-07-20 02:15:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2022-07-20 02:15:01,104 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2022-07-20 02:15:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-20 02:15:01,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-20 02:15:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-20 02:15:01,105 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-20 02:15:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-07-20 02:15:01,105 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-07-20 02:15:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2022-07-20 02:15:01,106 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2022-07-20 02:15:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-20 02:15:01,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-20 02:15:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2022-07-20 02:15:01,106 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2022-07-20 02:15:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2022-07-20 02:15:01,106 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2022-07-20 02:15:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 02:15:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 02:15:01,107 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 02:15:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2022-07-20 02:15:01,107 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2022-07-20 02:15:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 02:15:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2022-07-20 02:15:01,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2022-07-20 02:15:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2022-07-20 02:15:01,108 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2022-07-20 02:15:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2022-07-20 02:15:01,108 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2022-07-20 02:15:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-20 02:15:01,108 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-20 02:15:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2022-07-20 02:15:01,108 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2022-07-20 02:15:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 02:15:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-20 02:15:01,109 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-20 02:15:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-20 02:15:01,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-20 02:15:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 02:15:01,109 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 02:15:01,110 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2022-07-20 02:15:01,111 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2022-07-20 02:15:01,114 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-20 02:15:01,114 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-20 02:15:01,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irqlock_of_uvc_video_queue [2022-07-20 02:15:01,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irqlock_of_uvc_video_queue [2022-07-20 02:15:01,114 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-20 02:15:01,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-20 02:15:01,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-20 02:15:01,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-20 02:15:01,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 02:15:01,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 02:15:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2022-07-20 02:15:01,116 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2022-07-20 02:15:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-20 02:15:01,116 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-20 02:15:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 02:15:01,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 02:15:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-20 02:15:01,117 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-20 02:15:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uvc_clock [2022-07-20 02:15:01,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uvc_clock [2022-07-20 02:15:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2022-07-20 02:15:01,117 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2022-07-20 02:15:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-07-20 02:15:01,118 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-07-20 02:15:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2022-07-20 02:15:01,118 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2022-07-20 02:15:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2022-07-20 02:15:01,118 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2022-07-20 02:15:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-20 02:15:01,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-20 02:15:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2022-07-20 02:15:01,119 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2022-07-20 02:15:01,119 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2022-07-20 02:15:01,119 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2022-07-20 02:15:01,119 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 02:15:01,119 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 02:15:01,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 02:15:01,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 02:15:01,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 02:15:01,120 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-07-20 02:15:01,120 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-07-20 02:15:01,120 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-07-20 02:15:01,120 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-07-20 02:15:01,120 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 02:15:01,120 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 02:15:01,120 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2022-07-20 02:15:01,120 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2022-07-20 02:15:01,121 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 02:15:01,121 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 02:15:01,121 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2022-07-20 02:15:01,121 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2022-07-20 02:15:01,121 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2022-07-20 02:15:01,121 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2022-07-20 02:15:01,121 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-07-20 02:15:01,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-07-20 02:15:01,122 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2022-07-20 02:15:01,122 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2022-07-20 02:15:01,122 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2022-07-20 02:15:01,122 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2022-07-20 02:15:01,122 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-07-20 02:15:01,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-07-20 02:15:01,122 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-20 02:15:01,123 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-20 02:15:01,123 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-07-20 02:15:01,123 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-07-20 02:15:01,123 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-20 02:15:01,123 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-20 02:15:01,123 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-20 02:15:01,123 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-20 02:15:01,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_49___0 [2022-07-20 02:15:01,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_49___0 [2022-07-20 02:15:01,124 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2022-07-20 02:15:01,124 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2022-07-20 02:15:01,124 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2022-07-20 02:15:01,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2022-07-20 02:15:01,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 02:15:01,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 02:15:01,125 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2022-07-20 02:15:01,125 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2022-07-20 02:15:01,125 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2022-07-20 02:15:01,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2022-07-20 02:15:01,125 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2022-07-20 02:15:01,125 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2022-07-20 02:15:01,125 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-07-20 02:15:01,125 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-07-20 02:15:01,125 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-07-20 02:15:01,126 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-07-20 02:15:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2022-07-20 02:15:01,126 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2022-07-20 02:15:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2022-07-20 02:15:01,126 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2022-07-20 02:15:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 02:15:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-07-20 02:15:01,126 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-07-20 02:15:01,127 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2022-07-20 02:15:01,127 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2022-07-20 02:15:01,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 02:15:01,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 02:15:02,393 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 02:15:02,396 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 02:15:02,558 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 02:15:02,837 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11812: SUMMARY for call __copy_to_user_nocheck_#t~ret1080#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2022-07-20 02:15:02,837 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11849: assume 0 != __copy_to_user_nocheck_~tmp___1~14#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-20 02:15:02,837 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11849: assume !(0 != __copy_to_user_nocheck_~tmp___1~14#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-20 02:15:02,837 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11804: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-20 02:15:02,838 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11804: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-20 02:15:02,838 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11808: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-20 02:15:02,838 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11808: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-20 02:15:02,838 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11796: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-20 02:15:02,838 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11796: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-20 02:15:02,838 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11800: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-20 02:15:02,839 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11800: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-20 02:15:02,839 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11833: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1078#1 && __copy_to_user_nocheck_#t~ret1078#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~24#1 := __copy_to_user_nocheck_#t~ret1078#1;havoc __copy_to_user_nocheck_#t~ret1078#1; [2022-07-20 02:15:02,839 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11792: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-20 02:15:02,839 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11792: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-20 02:15:02,839 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11805: SUMMARY for call __copy_to_user_nocheck_#t~ret1078#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2022-07-20 02:15:02,839 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11809: SUMMARY for call __copy_to_user_nocheck_#t~ret1079#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2022-07-20 02:15:02,840 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11797: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-20 02:15:02,840 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11859: __copy_to_user_nocheck_~tmp___2~11#1 := __copy_to_user_nocheck_#t~ret1080#1;havoc __copy_to_user_nocheck_#t~ret1080#1;__copy_to_user_nocheck_#res#1 := (if __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-07-20 02:15:02,840 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11801: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-20 02:15:02,840 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11789: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-20 02:15:02,840 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11793: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-20 02:15:02,840 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-20 02:15:02,840 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-20 02:15:02,841 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11847: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1079#1 && __copy_to_user_nocheck_#t~ret1079#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~14#1 := __copy_to_user_nocheck_#t~ret1079#1;havoc __copy_to_user_nocheck_#t~ret1079#1; [2022-07-20 02:15:02,841 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11835: assume 0 != __copy_to_user_nocheck_~tmp___0~24#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-20 02:15:02,841 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11835: assume !(0 != __copy_to_user_nocheck_~tmp___0~24#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-20 02:15:05,586 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11700: SUMMARY for call __copy_from_user_nocheck_#t~ret1074#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2022-07-20 02:15:05,586 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11692: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-20 02:15:05,586 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11696: SUMMARY for call __copy_from_user_nocheck_#t~ret1073#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2022-07-20 02:15:05,586 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11729: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1073#1 && __copy_from_user_nocheck_#t~ret1073#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~23#1 := __copy_from_user_nocheck_#t~ret1073#1;havoc __copy_from_user_nocheck_#t~ret1073#1; [2022-07-20 02:15:05,586 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11684: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-20 02:15:05,586 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11746: assume 0 != __copy_from_user_nocheck_~tmp___1~13#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-20 02:15:05,586 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11746: assume !(0 != __copy_from_user_nocheck_~tmp___1~13#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-20 02:15:05,586 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11688: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-20 02:15:05,586 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11680: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-20 02:15:05,586 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume 0 != __copy_from_user_nocheck_~tmp___0~23#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-20 02:15:05,587 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume !(0 != __copy_from_user_nocheck_~tmp___0~23#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-20 02:15:05,587 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11756: __copy_from_user_nocheck_~tmp___2~10#1 := __copy_from_user_nocheck_#t~ret1075#1;havoc __copy_from_user_nocheck_#t~ret1075#1;__copy_from_user_nocheck_#res#1 := (if __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-07-20 02:15:05,587 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-20 02:15:05,587 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-20 02:15:05,587 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11744: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1074#1 && __copy_from_user_nocheck_#t~ret1074#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~13#1 := __copy_from_user_nocheck_#t~ret1074#1;havoc __copy_from_user_nocheck_#t~ret1074#1; [2022-07-20 02:15:05,587 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11699: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-20 02:15:05,587 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11699: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-20 02:15:05,587 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11703: SUMMARY for call __copy_from_user_nocheck_#t~ret1075#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2022-07-20 02:15:05,587 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11691: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-20 02:15:05,587 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11691: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-20 02:15:05,587 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11695: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-20 02:15:05,587 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11695: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-20 02:15:05,587 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11683: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-20 02:15:05,587 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11683: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-20 02:15:05,587 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11687: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-20 02:15:05,587 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11687: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-20 02:17:32,028 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 02:17:32,098 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 02:17:32,135 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 02:17:32,135 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-20 02:17:32,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:17:32 BoogieIcfgContainer [2022-07-20 02:17:32,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 02:17:32,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 02:17:32,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 02:17:32,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 02:17:32,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:14:51" (1/3) ... [2022-07-20 02:17:32,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19943e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:17:32, skipping insertion in model container [2022-07-20 02:17:32,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:14:59" (2/3) ... [2022-07-20 02:17:32,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19943e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:17:32, skipping insertion in model container [2022-07-20 02:17:32,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:17:32" (3/3) ... [2022-07-20 02:17:32,150 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-20 02:17:32,163 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 02:17:32,164 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-20 02:17:32,266 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 02:17:32,273 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@5ae90e5a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@534e79c1 [2022-07-20 02:17:32,273 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-20 02:17:32,285 INFO L276 IsEmpty]: Start isEmpty. Operand has 3317 states, 2486 states have (on average 1.3785197103781175) internal successors, (3427), 2506 states have internal predecessors, (3427), 670 states have call successors, (670), 159 states have call predecessors, (670), 158 states have return successors, (661), 655 states have call predecessors, (661), 661 states have call successors, (661) [2022-07-20 02:17:32,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-07-20 02:17:32,315 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:32,316 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] [2022-07-20 02:17:32,316 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:17:32,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:32,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1646318380, now seen corresponding path program 1 times [2022-07-20 02:17:32,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:17:32,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165571653] [2022-07-20 02:17:32,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:32,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:17:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:33,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:17:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:33,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:33,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:17:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:33,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:33,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:17:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:33,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:33,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:17:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:33,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:33,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:17:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:33,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:33,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:17:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:33,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:33,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:17:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:33,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:33,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:17:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:33,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:33,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:17:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:17:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:17:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:17:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:17:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:17:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:17:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:17:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:17:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:17:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:17:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 02:17:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 02:17:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 02:17:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 02:17:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 02:17:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 02:17:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 02:17:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 02:17:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 02:17:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 02:17:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 02:17:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 02:17:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-20 02:17:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-20 02:17:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:34,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4278 trivial. 0 not checked. [2022-07-20 02:17:34,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:17:34,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165571653] [2022-07-20 02:17:34,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165571653] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:34,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:34,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:17:34,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220657283] [2022-07-20 02:17:34,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:34,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:17:34,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:17:34,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:17:34,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:17:34,670 INFO L87 Difference]: Start difference. First operand has 3317 states, 2486 states have (on average 1.3785197103781175) internal successors, (3427), 2506 states have internal predecessors, (3427), 670 states have call successors, (670), 159 states have call predecessors, (670), 158 states have return successors, (661), 655 states have call predecessors, (661), 661 states have call successors, (661) Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-20 02:17:36,891 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:17:38,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:17:49,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:17:52,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:17:55,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:55,370 INFO L93 Difference]: Finished difference Result 10295 states and 15093 transitions. [2022-07-20 02:17:55,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:17:55,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 374 [2022-07-20 02:17:55,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:55,455 INFO L225 Difference]: With dead ends: 10295 [2022-07-20 02:17:55,456 INFO L226 Difference]: Without dead ends: 7028 [2022-07-20 02:17:55,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:17:55,488 INFO L413 NwaCegarLoop]: 5106 mSDtfsCounter, 6452 mSDsluCounter, 5890 mSDsCounter, 0 mSdLazyCounter, 2886 mSolverCounterSat, 1938 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6983 SdHoareTripleChecker+Valid, 10996 SdHoareTripleChecker+Invalid, 4828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1938 IncrementalHoareTripleChecker+Valid, 2886 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:17:55,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6983 Valid, 10996 Invalid, 4828 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1938 Valid, 2886 Invalid, 4 Unknown, 0 Unchecked, 19.9s Time] [2022-07-20 02:17:55,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7028 states. [2022-07-20 02:17:55,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7028 to 6392. [2022-07-20 02:17:55,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6392 states, 4826 states have (on average 1.3607542478242851) internal successors, (6567), 4869 states have internal predecessors, (6567), 1255 states have call successors, (1255), 309 states have call predecessors, (1255), 308 states have return successors, (1251), 1235 states have call predecessors, (1251), 1251 states have call successors, (1251) [2022-07-20 02:17:55,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6392 states to 6392 states and 9073 transitions. [2022-07-20 02:17:55,910 INFO L78 Accepts]: Start accepts. Automaton has 6392 states and 9073 transitions. Word has length 374 [2022-07-20 02:17:55,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:55,915 INFO L495 AbstractCegarLoop]: Abstraction has 6392 states and 9073 transitions. [2022-07-20 02:17:55,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-20 02:17:55,916 INFO L276 IsEmpty]: Start isEmpty. Operand 6392 states and 9073 transitions. [2022-07-20 02:17:55,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2022-07-20 02:17:55,929 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:55,930 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, 1] [2022-07-20 02:17:55,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 02:17:55,931 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:17:55,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:55,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1514325848, now seen corresponding path program 1 times [2022-07-20 02:17:55,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:17:55,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353390670] [2022-07-20 02:17:55,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:55,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:17:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:17:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:17:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:17:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:17:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:17:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:17:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:17:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:17:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:17:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:17:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:17:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:17:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:17:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:17:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:17:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:17:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:17:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:17:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:17:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 02:17:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 02:17:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 02:17:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 02:17:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 02:17:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 02:17:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 02:17:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 02:17:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 02:17:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 02:17:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 02:17:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 02:17:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-20 02:17:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-20 02:17:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4278 trivial. 0 not checked. [2022-07-20 02:17:57,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:17:57,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353390670] [2022-07-20 02:17:57,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353390670] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:57,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:57,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:17:57,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557033434] [2022-07-20 02:17:57,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:57,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:17:57,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:17:57,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:17:57,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:17:57,332 INFO L87 Difference]: Start difference. First operand 6392 states and 9073 transitions. 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, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-20 02:17:59,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:18:01,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:18:13,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:18:16,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:18:19,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:18:19,520 INFO L93 Difference]: Finished difference Result 16698 states and 23863 transitions. [2022-07-20 02:18:19,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:18:19,521 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, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 379 [2022-07-20 02:18:19,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:18:19,585 INFO L225 Difference]: With dead ends: 16698 [2022-07-20 02:18:19,586 INFO L226 Difference]: Without dead ends: 10373 [2022-07-20 02:18:19,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:18:19,617 INFO L413 NwaCegarLoop]: 5069 mSDtfsCounter, 6280 mSDsluCounter, 5802 mSDsCounter, 0 mSdLazyCounter, 2863 mSolverCounterSat, 1863 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6786 SdHoareTripleChecker+Valid, 10871 SdHoareTripleChecker+Invalid, 4730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1863 IncrementalHoareTripleChecker+Valid, 2863 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2022-07-20 02:18:19,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6786 Valid, 10871 Invalid, 4730 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1863 Valid, 2863 Invalid, 4 Unknown, 0 Unchecked, 21.5s Time] [2022-07-20 02:18:19,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10373 states. [2022-07-20 02:18:19,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10373 to 9446. [2022-07-20 02:18:19,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9446 states, 7150 states have (on average 1.3613986013986015) internal successors, (9734), 7210 states have internal predecessors, (9734), 1826 states have call successors, (1826), 468 states have call predecessors, (1826), 467 states have return successors, (1822), 1801 states have call predecessors, (1822), 1822 states have call successors, (1822) [2022-07-20 02:18:20,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9446 states to 9446 states and 13382 transitions. [2022-07-20 02:18:20,018 INFO L78 Accepts]: Start accepts. Automaton has 9446 states and 13382 transitions. Word has length 379 [2022-07-20 02:18:20,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:18:20,020 INFO L495 AbstractCegarLoop]: Abstraction has 9446 states and 13382 transitions. [2022-07-20 02:18:20,021 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, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-20 02:18:20,021 INFO L276 IsEmpty]: Start isEmpty. Operand 9446 states and 13382 transitions. [2022-07-20 02:18:20,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-07-20 02:18:20,029 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:18:20,030 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, 1, 1, 1, 1, 1, 1] [2022-07-20 02:18:20,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 02:18:20,030 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:18:20,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:18:20,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1442901521, now seen corresponding path program 1 times [2022-07-20 02:18:20,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:18:20,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623755347] [2022-07-20 02:18:20,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:18:20,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:18:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:18:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:18:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:18:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:18:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:18:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:18:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:18:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:18:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:18:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:18:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:18:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:18:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:18:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:18:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:18:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:18:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:18:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:20,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:18:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:18:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 02:18:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 02:18:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 02:18:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 02:18:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 02:18:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 02:18:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 02:18:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 02:18:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 02:18:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 02:18:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 02:18:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 02:18:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-20 02:18:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-20 02:18:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4278 trivial. 0 not checked. [2022-07-20 02:18:21,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:18:21,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623755347] [2022-07-20 02:18:21,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623755347] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:18:21,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:18:21,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:18:21,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289564785] [2022-07-20 02:18:21,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:18:21,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:18:21,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:18:21,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:18:21,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:18:21,282 INFO L87 Difference]: Start difference. First operand 9446 states and 13382 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-20 02:18:23,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:18:25,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:18:34,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:18:35,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:18:35,911 INFO L93 Difference]: Finished difference Result 24969 states and 35302 transitions. [2022-07-20 02:18:35,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:18:35,912 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 384 [2022-07-20 02:18:35,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:18:36,019 INFO L225 Difference]: With dead ends: 24969 [2022-07-20 02:18:36,020 INFO L226 Difference]: Without dead ends: 15590 [2022-07-20 02:18:36,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:18:36,064 INFO L413 NwaCegarLoop]: 5046 mSDtfsCounter, 3983 mSDsluCounter, 5916 mSDsCounter, 0 mSdLazyCounter, 2624 mSolverCounterSat, 1508 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4349 SdHoareTripleChecker+Valid, 10962 SdHoareTripleChecker+Invalid, 4135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1508 IncrementalHoareTripleChecker+Valid, 2624 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-07-20 02:18:36,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4349 Valid, 10962 Invalid, 4135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1508 Valid, 2624 Invalid, 3 Unknown, 0 Unchecked, 14.1s Time] [2022-07-20 02:18:36,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15590 states. [2022-07-20 02:18:36,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15590 to 14168. [2022-07-20 02:18:36,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14168 states, 10613 states have (on average 1.3402430980872515) internal successors, (14224), 10701 states have internal predecessors, (14224), 2778 states have call successors, (2778), 775 states have call predecessors, (2778), 774 states have return successors, (2774), 2738 states have call predecessors, (2774), 2774 states have call successors, (2774) [2022-07-20 02:18:36,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14168 states to 14168 states and 19776 transitions. [2022-07-20 02:18:36,622 INFO L78 Accepts]: Start accepts. Automaton has 14168 states and 19776 transitions. Word has length 384 [2022-07-20 02:18:36,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:18:36,626 INFO L495 AbstractCegarLoop]: Abstraction has 14168 states and 19776 transitions. [2022-07-20 02:18:36,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-20 02:18:36,627 INFO L276 IsEmpty]: Start isEmpty. Operand 14168 states and 19776 transitions. [2022-07-20 02:18:36,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2022-07-20 02:18:36,638 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:18:36,639 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:18:36,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 02:18:36,640 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:18:36,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:18:36,640 INFO L85 PathProgramCache]: Analyzing trace with hash 521876734, now seen corresponding path program 1 times [2022-07-20 02:18:36,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:18:36,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509537234] [2022-07-20 02:18:36,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:18:36,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:18:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:18:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:18:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:18:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:18:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:18:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:18:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:18:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:18:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:18:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:18:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:18:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:18:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:18:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:18:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:18:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:18:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:18:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:18:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:18:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 02:18:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 02:18:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 02:18:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 02:18:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 02:18:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 02:18:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 02:18:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 02:18:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 02:18:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 02:18:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 02:18:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 02:18:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-20 02:18:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-20 02:18:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:37,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-20 02:18:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:38,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-20 02:18:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:38,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-20 02:18:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:38,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:38,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:38,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:38,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-20 02:18:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:38,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-20 02:18:38,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:18:38,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509537234] [2022-07-20 02:18:38,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509537234] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:18:38,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:18:38,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:18:38,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740740052] [2022-07-20 02:18:38,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:18:38,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:18:38,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:18:38,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:18:38,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:18:38,055 INFO L87 Difference]: Start difference. First operand 14168 states and 19776 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-07-20 02:18:40,266 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:18:42,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:18:51,695 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 []